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	diff --git a/swh/storage/tests/test_storage.py b/swh/storage/tests/test_storage.py
	index bc42bc7b..bda01acb 100644
	--- a/swh/storage/tests/test_storage.py
	+++ b/swh/storage/tests/test_storage.py
	@@ -1,3912 +1,3915 @@
	# Copyright (C) 2015-2020 The Software Heritage developers
	# See the AUTHORS file at the top-level directory of this distribution
	# License: GNU General Public License version 3, or any later version
	# See top-level LICENSE file for more information

	import copy
	from contextlib import contextmanager
	import datetime
	import inspect
	import itertools
	import math
	import queue
	import random
	import threading

	from collections import defaultdict
	from datetime import timedelta
	from unittest.mock import Mock

	import psycopg2
	import pytest

	from hypothesis import given, strategies, settings, HealthCheck

	from typing import ClassVar, Optional

	from swh.model import from_disk, identifiers
	from swh.model.hashutil import hash_to_bytes
	from swh.model.model import (
	Content,
	Directory,
	Origin,
	OriginVisit,
	OriginVisitStatus,
	Release,
	Revision,
	Snapshot,
	)
	from swh.model.hypothesis_strategies import objects
	from swh.model.hashutil import hash_to_hex
	from swh.storage import get_storage
	from swh.storage.converters import origin_url_to_sha1 as sha1
	from swh.storage.exc import HashCollision, StorageArgumentException
	from swh.storage.interface import StorageInterface
	from swh.storage.utils import content_hex_hashes, now

	from .storage_data import data


	@contextmanager
	def db_transaction(storage):
	with storage.db() as db:
	with db.transaction() as cur:
	yield db, cur


	def normalize_entity(entity):
	entity = copy.deepcopy(entity)
	for key in ("date", "committer_date"):
	if key in entity:
	entity[key] = identifiers.normalize_timestamp(entity[key])
	return entity


	def transform_entries(dir_, *, prefix=b""):
	for ent in dir_["entries"]:
	yield {
	"dir_id": dir_["id"],
	"type": ent["type"],
	"target": ent["target"],
	"name": prefix + ent["name"],
	"perms": ent["perms"],
	"status": None,
	"sha1": None,
	"sha1_git": None,
	"sha256": None,
	"length": None,
	}


	def cmpdir(directory):
	return (directory["type"], directory["dir_id"])


	def short_revision(revision):
	return [revision["id"], revision["parents"]]


	def assert_contents_ok(
	expected_contents, actual_contents, keys_to_check={"sha1", "data"}
	):
	"""Assert that a given list of contents matches on a given set of keys.

	"""
	for k in keys_to_check:
	expected_list = set([c.get(k) for c in expected_contents])
	actual_list = set([c.get(k) for c in actual_contents])
	assert actual_list == expected_list, k


	def round_to_milliseconds(date):
	"""Round datetime to milliseconds before insertion, so equality doesn't fail after a
	round-trip through a DB (eg. Cassandra)

	"""
	return date.replace(microsecond=(date.microsecond // 1000) * 1000)


	def test_round_to_milliseconds():
	date = now()

	for (ms, expected_ms) in [(0, 0), (1000, 1000), (555555, 555000), (999500, 999000)]:
	date = date.replace(microsecond=ms)
	actual_date = round_to_milliseconds(date)
	assert actual_date.microsecond == expected_ms


	class LazyContent(Content):
	def with_data(self):
	return Content.from_dict({**self.to_dict(), "data": data.cont["data"]})


	class TestStorage:
	"""Main class for Storage testing.

	This class is used as-is to test local storage (see TestLocalStorage
	below) and remote storage (see TestRemoteStorage in
	test_remote_storage.py.

	We need to have the two classes inherit from this base class
	separately to avoid nosetests running the tests from the base
	class twice.
	"""

	maxDiff = None # type: ClassVar[Optional[int]]

	def test_types(self, swh_storage_backend_config):
	"""Checks all methods of StorageInterface are implemented by this
	backend, and that they have the same signature."""
	# Create an instance of the protocol (which cannot be instantiated
	# directly, so this creates a subclass, then instantiates it)
	interface = type("_", (StorageInterface,), {})()
	storage = get_storage(**swh_storage_backend_config)

	assert "content_add" in dir(interface)

	missing_methods = []

	for meth_name in dir(interface):
	if meth_name.startswith("_"):
	continue
	interface_meth = getattr(interface, meth_name)
	try:
	concrete_meth = getattr(storage, meth_name)
	except AttributeError:
	if not getattr(interface_meth, "deprecated_endpoint", False):
	# The backend is missing a (non-deprecated) endpoint
	missing_methods.append(meth_name)
	continue

	expected_signature = inspect.signature(interface_meth)
	actual_signature = inspect.signature(concrete_meth)

	assert expected_signature == actual_signature, meth_name

	assert missing_methods == []

	def test_check_config(self, swh_storage):
	assert swh_storage.check_config(check_write=True)
	assert swh_storage.check_config(check_write=False)

	def test_content_add(self, swh_storage):
	cont = data.cont

	insertion_start_time = now()
	actual_result = swh_storage.content_add([cont])
	insertion_end_time = now()

	assert actual_result == {
	"content:add": 1,
	"content:add:bytes": cont["length"],
	}

	assert list(swh_storage.content_get([cont["sha1"]])) == [
	{"sha1": cont["sha1"], "data": cont["data"]}
	]

	expected_cont = data.cont
	del expected_cont["data"]
	contents = [
	obj
	for (obj_type, obj) in swh_storage.journal_writer.journal.objects
	if obj_type == "content"
	]
	assert len(contents) == 1
	for obj in contents:
	assert insertion_start_time <= obj.ctime
	assert obj.ctime <= insertion_end_time
	obj_d = obj.to_dict()
	del obj_d["ctime"]
	assert obj_d == expected_cont

	swh_storage.refresh_stat_counters()
	assert swh_storage.stat_counters()["content"] == 1

	def test_content_add_from_generator(self, swh_storage):
	def _cnt_gen():
	yield data.cont

	actual_result = swh_storage.content_add(_cnt_gen())

	assert actual_result == {
	"content:add": 1,
	"content:add:bytes": data.cont["length"],
	}

	swh_storage.refresh_stat_counters()
	assert swh_storage.stat_counters()["content"] == 1

	def test_content_add_from_lazy_content(self, swh_storage):

	lazy_content = LazyContent.from_dict({**data.cont, "data": b"nope",})

	insertion_start_time = now()

	# bypass the validation proxy for now, to directly put a dict
	actual_result = swh_storage.storage.content_add([lazy_content])

	insertion_end_time = now()

	assert actual_result == {
	"content:add": 1,
	"content:add:bytes": data.cont["length"],
	}

	# the fact that we retrieve the content object from the storage with
	# the correct 'data' field ensures it has been 'called'
	assert list(swh_storage.content_get([data.cont["sha1"]])) == [
	{"sha1": data.cont["sha1"], "data": data.cont["data"]}
	]

	expected_cont = data.cont
	del expected_cont["data"]
	contents = [
	obj
	for (obj_type, obj) in swh_storage.journal_writer.journal.objects
	if obj_type == "content"
	]
	assert len(contents) == 1
	for obj in contents:
	assert insertion_start_time <= obj.ctime
	assert obj.ctime <= insertion_end_time
	obj_d = obj.to_dict()
	del obj_d["ctime"]
	assert obj_d == expected_cont

	swh_storage.refresh_stat_counters()
	assert swh_storage.stat_counters()["content"] == 1

	def test_content_add_validation(self, swh_storage):
	cont = data.cont

	with pytest.raises(StorageArgumentException, match="status"):
	swh_storage.content_add([{**cont, "status": "absent"}])

	with pytest.raises(StorageArgumentException, match="status"):
	swh_storage.content_add([{**cont, "status": "foobar"}])

	with pytest.raises(StorageArgumentException, match="(?i)length"):
	swh_storage.content_add([{**cont, "length": -2}])

	with pytest.raises(StorageArgumentException, match="reason"):
	swh_storage.content_add([{**cont, "reason": "foobar"}])

	def test_skipped_content_add_validation(self, swh_storage):
	cont = data.cont.copy()
	del cont["data"]

	with pytest.raises(StorageArgumentException, match="status"):
	swh_storage.skipped_content_add([{**cont, "status": "visible"}])

	with pytest.raises(StorageArgumentException, match="reason") as cm:
	swh_storage.skipped_content_add([{**cont, "status": "absent"}])

	if type(cm.value) == psycopg2.IntegrityError:
	assert cm.exception.pgcode == psycopg2.errorcodes.NOT_NULL_VIOLATION

	def test_content_get_missing(self, swh_storage):
	cont = data.cont

	swh_storage.content_add([cont])

	# Query a single missing content
	results = list(swh_storage.content_get([data.cont2["sha1"]]))
	assert results == [None]

	# Check content_get does not abort after finding a missing content
	results = list(swh_storage.content_get([data.cont["sha1"], data.cont2["sha1"]]))
	assert results == [{"sha1": cont["sha1"], "data": cont["data"]}, None]

	# Check content_get does not discard found countent when it finds
	# a missing content.
	results = list(swh_storage.content_get([data.cont2["sha1"], data.cont["sha1"]]))
	assert results == [None, {"sha1": cont["sha1"], "data": cont["data"]}]

	def test_content_add_different_input(self, swh_storage):
	cont = data.cont
	cont2 = data.cont2

	actual_result = swh_storage.content_add([cont, cont2])
	assert actual_result == {
	"content:add": 2,
	"content:add:bytes": cont["length"] + cont2["length"],
	}

	def test_content_add_twice(self, swh_storage):
	actual_result = swh_storage.content_add([data.cont])
	assert actual_result == {
	"content:add": 1,
	"content:add:bytes": data.cont["length"],
	}
	assert len(swh_storage.journal_writer.journal.objects) == 1

	actual_result = swh_storage.content_add([data.cont, data.cont2])
	assert actual_result == {
	"content:add": 1,
	"content:add:bytes": data.cont2["length"],
	}
	assert 2 <= len(swh_storage.journal_writer.journal.objects) <= 3

	assert len(swh_storage.content_find(data.cont)) == 1
	assert len(swh_storage.content_find(data.cont2)) == 1

	def test_content_add_collision(self, swh_storage):
	cont1 = data.cont

	# create (corrupted) content with same sha1{,_git} but != sha256
	cont1b = cont1.copy()
	sha256_array = bytearray(cont1b["sha256"])
	sha256_array[0] += 1
	cont1b["sha256"] = bytes(sha256_array)

	with pytest.raises(HashCollision) as cm:
	swh_storage.content_add([cont1, cont1b])

	exc = cm.value
	actual_algo = exc.algo
	assert actual_algo in ["sha1", "sha1_git", "blake2s256"]
	actual_id = exc.hash_id
	assert actual_id == hash_to_hex(cont1[actual_algo])
	collisions = exc.args[2]
	assert len(collisions) == 2
	assert collisions == [
	content_hex_hashes(Content.from_dict(cont1).hashes()),
	content_hex_hashes(Content.from_dict(cont1b).hashes()),
	]
	assert exc.colliding_content_hashes() == [
	Content.from_dict(cont1).hashes(),
	Content.from_dict(cont1b).hashes(),
	]

	def test_content_add_duplicate(self, swh_storage):
	swh_storage.content_add([data.cont, data.cont])

	assert list(swh_storage.content_get([data.cont["sha1"]])) == [
	{"sha1": data.cont["sha1"], "data": data.cont["data"]}
	]

	def test_content_update(self, swh_storage):
	if hasattr(swh_storage, "storage"):
	swh_storage.journal_writer.journal = None # TODO, not supported

	cont = copy.deepcopy(data.cont)

	swh_storage.content_add([cont])
	# alter the sha1_git for example
	cont["sha1_git"] = hash_to_bytes("3a60a5275d0333bf13468e8b3dcab90f4046e654")

	swh_storage.content_update([cont], keys=["sha1_git"])

	results = swh_storage.content_get_metadata([cont["sha1"]])
	del cont["data"]
	assert tuple(results[cont["sha1"]]) == (cont,)

	def test_content_add_metadata(self, swh_storage):
	cont = data.cont
	del cont["data"]
	cont["ctime"] = now()

	actual_result = swh_storage.content_add_metadata([cont])
	assert actual_result == {
	"content:add": 1,
	}

	expected_cont = cont.copy()
	del expected_cont["ctime"]
	assert tuple(
	swh_storage.content_get_metadata([cont["sha1"]])[cont["sha1"]]
	) == (expected_cont,)
	contents = [
	obj
	for (obj_type, obj) in swh_storage.journal_writer.journal.objects
	if obj_type == "content"
	]
	assert len(contents) == 1
	for obj in contents:
	obj_d = obj.to_dict()
	del obj_d["ctime"]
	assert obj_d == expected_cont

	def test_content_add_metadata_different_input(self, swh_storage):
	cont = data.cont
	del cont["data"]
	cont["ctime"] = now()
	cont2 = data.cont2
	del cont2["data"]
	cont2["ctime"] = now()

	actual_result = swh_storage.content_add_metadata([cont, cont2])
	assert actual_result == {
	"content:add": 2,
	}

	def test_content_add_metadata_collision(self, swh_storage):
	cont1 = data.cont
	del cont1["data"]
	cont1["ctime"] = now()

	# create (corrupted) content with same sha1{,_git} but != sha256
	cont1b = cont1.copy()
	sha1_git_array = bytearray(cont1b["sha256"])
	sha1_git_array[0] += 1
	cont1b["sha256"] = bytes(sha1_git_array)

	with pytest.raises(HashCollision) as cm:
	swh_storage.content_add_metadata([cont1, cont1b])

	exc = cm.value
	actual_algo = exc.algo
	assert actual_algo in ["sha1", "sha1_git", "blake2s256"]
	actual_id = exc.hash_id
	assert actual_id == hash_to_hex(cont1[actual_algo])
	collisions = exc.args[2]
	assert len(collisions) == 2
	assert collisions == [
	content_hex_hashes(Content.from_dict(cont1).hashes()),
	content_hex_hashes(Content.from_dict(cont1b).hashes()),
	]
	assert exc.colliding_content_hashes() == [
	Content.from_dict(cont1).hashes(),
	Content.from_dict(cont1b).hashes(),
	]

	def test_skipped_content_add(self, swh_storage):
	cont = data.skipped_cont
	cont2 = data.skipped_cont2
	cont2["blake2s256"] = None

	missing = list(swh_storage.skipped_content_missing([cont, cont2]))

	assert missing == [
	{
	"sha1": cont["sha1"],
	"sha1_git": cont["sha1_git"],
	"blake2s256": cont["blake2s256"],
	"sha256": cont["sha256"],
	},
	{
	"sha1": cont2["sha1"],
	"sha1_git": cont2["sha1_git"],
	"blake2s256": cont2["blake2s256"],
	"sha256": cont2["sha256"],
	},
	]

	actual_result = swh_storage.skipped_content_add([cont, cont, cont2])

	assert 2 <= actual_result.pop("skipped_content:add") <= 3
	assert actual_result == {}

	missing = list(swh_storage.skipped_content_missing([cont, cont2]))

	assert missing == []

	def test_skipped_content_add_missing_hashes(self, swh_storage):
	cont = data.skipped_cont
	cont2 = data.skipped_cont2
	cont["sha1_git"] = cont2["sha1_git"] = None

	missing = list(swh_storage.skipped_content_missing([cont, cont2]))

	assert len(missing) == 2

	actual_result = swh_storage.skipped_content_add([cont, cont, cont2])

	assert 2 <= actual_result.pop("skipped_content:add") <= 3
	assert actual_result == {}

	missing = list(swh_storage.skipped_content_missing([cont, cont2]))

	assert missing == []

	def test_skipped_content_missing_partial_hash(self, swh_storage):
	cont = data.skipped_cont
	cont2 = cont.copy()
	cont2["sha1_git"] = None

	missing = list(swh_storage.skipped_content_missing([cont, cont2]))

	assert len(missing) == 2

	actual_result = swh_storage.skipped_content_add([cont])

	assert actual_result.pop("skipped_content:add") == 1
	assert actual_result == {}

	missing = list(swh_storage.skipped_content_missing([cont, cont2]))

	assert missing == [
	{
	"sha1": cont2["sha1"],
	"sha1_git": cont2["sha1_git"],
	"blake2s256": cont2["blake2s256"],
	"sha256": cont2["sha256"],
	}
	]

	@pytest.mark.property_based
	@settings(deadline=None) # this test is very slow
	@given(
	strategies.sets(
	elements=strategies.sampled_from(["sha256", "sha1_git", "blake2s256"]),
	min_size=0,
	)
	)
	def test_content_missing(self, swh_storage, algos):
	algos \|= {"sha1"}
	cont2 = data.cont2
	missing_cont = data.missing_cont
	swh_storage.content_add([cont2])
	test_contents = [cont2]
	missing_per_hash = defaultdict(list)
	for i in range(256):
	test_content = missing_cont.copy()
	for hash in algos:
	test_content[hash] = bytes([i]) + test_content[hash][1:]
	missing_per_hash[hash].append(test_content[hash])
	test_contents.append(test_content)

	assert set(swh_storage.content_missing(test_contents)) == set(
	missing_per_hash["sha1"]
	)

	for hash in algos:
	assert set(
	swh_storage.content_missing(test_contents, key_hash=hash)
	) == set(missing_per_hash[hash])

	@pytest.mark.property_based
	@given(
	strategies.sets(
	elements=strategies.sampled_from(["sha256", "sha1_git", "blake2s256"]),
	min_size=0,
	)
	)
	def test_content_missing_unknown_algo(self, swh_storage, algos):
	algos \|= {"sha1"}
	cont2 = data.cont2
	missing_cont = data.missing_cont
	swh_storage.content_add([cont2])
	test_contents = [cont2]
	missing_per_hash = defaultdict(list)
	for i in range(16):
	test_content = missing_cont.copy()
	for hash in algos:
	test_content[hash] = bytes([i]) + test_content[hash][1:]
	missing_per_hash[hash].append(test_content[hash])
	test_content["nonexisting_algo"] = b"\x00"
	test_contents.append(test_content)

	assert set(swh_storage.content_missing(test_contents)) == set(
	missing_per_hash["sha1"]
	)

	for hash in algos:
	assert set(
	swh_storage.content_missing(test_contents, key_hash=hash)
	) == set(missing_per_hash[hash])

	def test_content_missing_per_sha1(self, swh_storage):
	# given
	cont2 = data.cont2
	missing_cont = data.missing_cont
	swh_storage.content_add([cont2])
	# when
	gen = swh_storage.content_missing_per_sha1(
	[cont2["sha1"], missing_cont["sha1"]]
	)
	# then
	assert list(gen) == [missing_cont["sha1"]]

	def test_content_missing_per_sha1_git(self, swh_storage):
	cont = data.cont
	cont2 = data.cont2
	missing_cont = data.missing_cont

	swh_storage.content_add([cont, cont2])

	contents = [cont["sha1_git"], cont2["sha1_git"], missing_cont["sha1_git"]]

	missing_contents = swh_storage.content_missing_per_sha1_git(contents)
	assert list(missing_contents) == [missing_cont["sha1_git"]]

	def test_content_get_partition(self, swh_storage, swh_contents):
	"""content_get_partition paginates results if limit exceeded"""
	expected_contents = [c for c in swh_contents if c["status"] != "absent"]

	actual_contents = []
	for i in range(16):
	actual_result = swh_storage.content_get_partition(i, 16)
	assert actual_result["next_page_token"] is None
	actual_contents.extend(actual_result["contents"])

	assert_contents_ok(expected_contents, actual_contents, ["sha1"])

	def test_content_get_partition_full(self, swh_storage, swh_contents):
	"""content_get_partition for a single partition returns all available
	contents"""
	expected_contents = [c for c in swh_contents if c["status"] != "absent"]

	actual_result = swh_storage.content_get_partition(0, 1)
	assert actual_result["next_page_token"] is None

	actual_contents = actual_result["contents"]
	assert_contents_ok(expected_contents, actual_contents, ["sha1"])

	def test_content_get_partition_empty(self, swh_storage, swh_contents):
	"""content_get_partition when at least one of the partitions is
	empty"""
	expected_contents = {
	cont["sha1"] for cont in swh_contents if cont["status"] != "absent"
	}
	# nb_partitions = smallest power of 2 such that at least one of
	# the partitions is empty
	nb_partitions = 1 << math.floor(math.log2(len(swh_contents)) + 1)

	seen_sha1s = []

	for i in range(nb_partitions):
	actual_result = swh_storage.content_get_partition(
	i, nb_partitions, limit=len(swh_contents) + 1
	)

	for cont in actual_result["contents"]:
	seen_sha1s.append(cont["sha1"])

	# Limit is higher than the max number of results
	assert actual_result["next_page_token"] is None

	assert set(seen_sha1s) == expected_contents

	def test_content_get_partition_limit_none(self, swh_storage):
	"""content_get_partition call with wrong limit input should fail"""
	with pytest.raises(StorageArgumentException) as e:
	swh_storage.content_get_partition(1, 16, limit=None)

	assert e.value.args == ("limit should not be None",)

	def test_generate_content_get_partition_pagination(self, swh_storage, swh_contents):
	"""content_get_partition returns contents within range provided"""
	expected_contents = [c for c in swh_contents if c["status"] != "absent"]

	# retrieve contents
	actual_contents = []
	for i in range(4):
	page_token = None
	while True:
	actual_result = swh_storage.content_get_partition(
	i, 4, limit=3, page_token=page_token
	)
	actual_contents.extend(actual_result["contents"])
	page_token = actual_result["next_page_token"]

	if page_token is None:
	break

	assert_contents_ok(expected_contents, actual_contents, ["sha1"])

	def test_content_get_metadata(self, swh_storage):
	cont1 = data.cont
	cont2 = data.cont2

	swh_storage.content_add([cont1, cont2])

	actual_md = swh_storage.content_get_metadata([cont1["sha1"], cont2["sha1"]])

	# we only retrieve the metadata
	cont1.pop("data")
	cont2.pop("data")

	assert tuple(actual_md[cont1["sha1"]]) == (cont1,)
	assert tuple(actual_md[cont2["sha1"]]) == (cont2,)
	assert len(actual_md.keys()) == 2

	def test_content_get_metadata_missing_sha1(self, swh_storage):
	cont1 = data.cont
	cont2 = data.cont2
	missing_cont = data.missing_cont

	swh_storage.content_add([cont1, cont2])

	actual_contents = swh_storage.content_get_metadata([missing_cont["sha1"]])

	assert len(actual_contents) == 1
	assert tuple(actual_contents[missing_cont["sha1"]]) == ()

	def test_content_get_random(self, swh_storage):
	swh_storage.content_add([data.cont, data.cont2, data.cont3])

	assert swh_storage.content_get_random() in {
	data.cont["sha1_git"],
	data.cont2["sha1_git"],
	data.cont3["sha1_git"],
	}

	def test_directory_add(self, swh_storage):
	init_missing = list(swh_storage.directory_missing([data.dir["id"]]))
	assert [data.dir["id"]] == init_missing

	actual_result = swh_storage.directory_add([data.dir])
	assert actual_result == {"directory:add": 1}

	assert list(swh_storage.journal_writer.journal.objects) == [
	("directory", Directory.from_dict(data.dir))
	]

	actual_data = list(swh_storage.directory_ls(data.dir["id"]))
	expected_data = list(transform_entries(data.dir))

	assert sorted(expected_data, key=cmpdir) == sorted(actual_data, key=cmpdir)

	after_missing = list(swh_storage.directory_missing([data.dir["id"]]))
	assert after_missing == []

	swh_storage.refresh_stat_counters()
	assert swh_storage.stat_counters()["directory"] == 1

	def test_directory_add_from_generator(self, swh_storage):
	def _dir_gen():
	yield data.dir

	actual_result = swh_storage.directory_add(directories=_dir_gen())
	assert actual_result == {"directory:add": 1}

	assert list(swh_storage.journal_writer.journal.objects) == [
	("directory", Directory.from_dict(data.dir))
	]

	swh_storage.refresh_stat_counters()
	assert swh_storage.stat_counters()["directory"] == 1

	def test_directory_add_validation(self, swh_storage):
	dir_ = copy.deepcopy(data.dir)
	dir_["entries"][0]["type"] = "foobar"

	with pytest.raises(StorageArgumentException, match="type.*foobar"):
	swh_storage.directory_add([dir_])

	dir_ = copy.deepcopy(data.dir)
	del dir_["entries"][0]["target"]

	with pytest.raises(StorageArgumentException, match="target") as cm:
	swh_storage.directory_add([dir_])

	if type(cm.value) == psycopg2.IntegrityError:
	assert cm.value.pgcode == psycopg2.errorcodes.NOT_NULL_VIOLATION

	def test_directory_add_twice(self, swh_storage):
	actual_result = swh_storage.directory_add([data.dir])
	assert actual_result == {"directory:add": 1}

	assert list(swh_storage.journal_writer.journal.objects) == [
	("directory", Directory.from_dict(data.dir))
	]

	actual_result = swh_storage.directory_add([data.dir])
	assert actual_result == {"directory:add": 0}

	assert list(swh_storage.journal_writer.journal.objects) == [
	("directory", Directory.from_dict(data.dir))
	]

	def test_directory_get_recursive(self, swh_storage):
	init_missing = list(swh_storage.directory_missing([data.dir["id"]]))
	assert init_missing == [data.dir["id"]]

	actual_result = swh_storage.directory_add([data.dir, data.dir2, data.dir3])
	assert actual_result == {"directory:add": 3}

	assert list(swh_storage.journal_writer.journal.objects) == [
	("directory", Directory.from_dict(data.dir)),
	("directory", Directory.from_dict(data.dir2)),
	("directory", Directory.from_dict(data.dir3)),
	]

	# List directory containing a file and an unknown subdirectory
	actual_data = list(swh_storage.directory_ls(data.dir["id"], recursive=True))
	expected_data = list(transform_entries(data.dir))
	assert sorted(expected_data, key=cmpdir) == sorted(actual_data, key=cmpdir)

	# List directory containing a file and an unknown subdirectory
	actual_data = list(swh_storage.directory_ls(data.dir2["id"], recursive=True))
	expected_data = list(transform_entries(data.dir2))
	assert sorted(expected_data, key=cmpdir) == sorted(actual_data, key=cmpdir)

	# List directory containing a known subdirectory, entries should
	# be both those of the directory and of the subdir
	actual_data = list(swh_storage.directory_ls(data.dir3["id"], recursive=True))
	expected_data = list(
	itertools.chain(
	transform_entries(data.dir3),
	transform_entries(data.dir, prefix=b"subdir/"),
	)
	)
	assert sorted(expected_data, key=cmpdir) == sorted(actual_data, key=cmpdir)

	def test_directory_get_non_recursive(self, swh_storage):
	init_missing = list(swh_storage.directory_missing([data.dir["id"]]))
	assert init_missing == [data.dir["id"]]

	actual_result = swh_storage.directory_add([data.dir, data.dir2, data.dir3])
	assert actual_result == {"directory:add": 3}

	assert list(swh_storage.journal_writer.journal.objects) == [
	("directory", Directory.from_dict(data.dir)),
	("directory", Directory.from_dict(data.dir2)),
	("directory", Directory.from_dict(data.dir3)),
	]

	# List directory containing a file and an unknown subdirectory
	actual_data = list(swh_storage.directory_ls(data.dir["id"]))
	expected_data = list(transform_entries(data.dir))
	assert sorted(expected_data, key=cmpdir) == sorted(actual_data, key=cmpdir)

	# List directory contaiining a single file
	actual_data = list(swh_storage.directory_ls(data.dir2["id"]))
	expected_data = list(transform_entries(data.dir2))
	assert sorted(expected_data, key=cmpdir) == sorted(actual_data, key=cmpdir)

	# List directory containing a known subdirectory, entries should
	# only be those of the parent directory, not of the subdir
	actual_data = list(swh_storage.directory_ls(data.dir3["id"]))
	expected_data = list(transform_entries(data.dir3))
	assert sorted(expected_data, key=cmpdir) == sorted(actual_data, key=cmpdir)

	def test_directory_entry_get_by_path(self, swh_storage):
	# given
	init_missing = list(swh_storage.directory_missing([data.dir3["id"]]))
	assert [data.dir3["id"]] == init_missing

	actual_result = swh_storage.directory_add([data.dir3, data.dir4])
	assert actual_result == {"directory:add": 2}

	expected_entries = [
	{
	"dir_id": data.dir3["id"],
	"name": b"foo",
	"type": "file",
	"target": data.cont["sha1_git"],
	"sha1": None,
	"sha1_git": None,
	"sha256": None,
	"status": None,
	"perms": from_disk.DentryPerms.content,
	"length": None,
	},
	{
	"dir_id": data.dir3["id"],
	"name": b"subdir",
	"type": "dir",
	"target": data.dir["id"],
	"sha1": None,
	"sha1_git": None,
	"sha256": None,
	"status": None,
	"perms": from_disk.DentryPerms.directory,
	"length": None,
	},
	{
	"dir_id": data.dir3["id"],
	"name": b"hello",
	"type": "file",
	"target": b"12345678901234567890",
	"sha1": None,
	"sha1_git": None,
	"sha256": None,
	"status": None,
	"perms": from_disk.DentryPerms.content,
	"length": None,
	},
	]

	# when (all must be found here)
	for entry, expected_entry in zip(data.dir3["entries"], expected_entries):
	actual_entry = swh_storage.directory_entry_get_by_path(
	data.dir3["id"], [entry["name"]]
	)
	assert actual_entry == expected_entry

	# same, but deeper
	for entry, expected_entry in zip(data.dir3["entries"], expected_entries):
	actual_entry = swh_storage.directory_entry_get_by_path(
	data.dir4["id"], [b"subdir1", entry["name"]]
	)
	expected_entry = expected_entry.copy()
	expected_entry["name"] = b"subdir1/" + expected_entry["name"]
	assert actual_entry == expected_entry

	# when (nothing should be found here since data.dir is not persisted.)
	for entry in data.dir["entries"]:
	actual_entry = swh_storage.directory_entry_get_by_path(
	data.dir["id"], [entry["name"]]
	)
	assert actual_entry is None

	def test_directory_get_random(self, swh_storage):
	swh_storage.directory_add([data.dir, data.dir2, data.dir3])

	assert swh_storage.directory_get_random() in {
	data.dir["id"],
	data.dir2["id"],
	data.dir3["id"],
	}

	def test_revision_add(self, swh_storage):
	init_missing = swh_storage.revision_missing([data.revision["id"]])
	assert list(init_missing) == [data.revision["id"]]

	actual_result = swh_storage.revision_add([data.revision])
	assert actual_result == {"revision:add": 1}

	end_missing = swh_storage.revision_missing([data.revision["id"]])
	assert list(end_missing) == []

	assert list(swh_storage.journal_writer.journal.objects) == [
	("revision", Revision.from_dict(data.revision))
	]

	# already there so nothing added
	actual_result = swh_storage.revision_add([data.revision])
	assert actual_result == {"revision:add": 0}

	swh_storage.refresh_stat_counters()
	assert swh_storage.stat_counters()["revision"] == 1

	def test_revision_add_from_generator(self, swh_storage):
	def _rev_gen():
	yield data.revision

	actual_result = swh_storage.revision_add(_rev_gen())
	assert actual_result == {"revision:add": 1}

	swh_storage.refresh_stat_counters()
	assert swh_storage.stat_counters()["revision"] == 1

	def test_revision_add_validation(self, swh_storage):
	rev = copy.deepcopy(data.revision)
	rev["date"]["offset"] = 2 ** 16

	with pytest.raises(StorageArgumentException, match="offset") as cm:
	swh_storage.revision_add([rev])

	if type(cm.value) == psycopg2.DataError:
	assert cm.value.pgcode == psycopg2.errorcodes.NUMERIC_VALUE_OUT_OF_RANGE

	rev = copy.deepcopy(data.revision)
	rev["committer_date"]["offset"] = 2 ** 16

	with pytest.raises(StorageArgumentException, match="offset") as cm:
	swh_storage.revision_add([rev])

	if type(cm.value) == psycopg2.DataError:
	assert cm.value.pgcode == psycopg2.errorcodes.NUMERIC_VALUE_OUT_OF_RANGE

	rev = copy.deepcopy(data.revision)
	rev["type"] = "foobar"

	with pytest.raises(StorageArgumentException, match="(?i)type") as cm:
	swh_storage.revision_add([rev])

	if type(cm.value) == psycopg2.DataError:
	assert cm.value.pgcode == psycopg2.errorcodes.INVALID_TEXT_REPRESENTATION

	def test_revision_add_twice(self, swh_storage):
	actual_result = swh_storage.revision_add([data.revision])
	assert actual_result == {"revision:add": 1}

	assert list(swh_storage.journal_writer.journal.objects) == [
	("revision", Revision.from_dict(data.revision))
	]

	actual_result = swh_storage.revision_add([data.revision, data.revision2])
	assert actual_result == {"revision:add": 1}

	assert list(swh_storage.journal_writer.journal.objects) == [
	("revision", Revision.from_dict(data.revision)),
	("revision", Revision.from_dict(data.revision2)),
	]

	def test_revision_add_name_clash(self, swh_storage):
	revision1 = data.revision
	revision2 = data.revision2

	revision1["author"] = {
	"fullname": b"John Doe <john.doe@example.com>",
	"name": b"John Doe",
	"email": b"john.doe@example.com",
	}
	revision2["author"] = {
	"fullname": b"John Doe <john.doe@example.com>",
	"name": b"John Doe ",
	"email": b"john.doe@example.com ",
	}
	actual_result = swh_storage.revision_add([revision1, revision2])
	assert actual_result == {"revision:add": 2}

	def test_revision_get_order(self, swh_storage):
	add_result = swh_storage.revision_add([data.revision, data.revision2])
	assert add_result == {"revision:add": 2}

	# order 1
	res1 = swh_storage.revision_get([data.revision["id"], data.revision2["id"]])
	assert list(res1) == [data.revision, data.revision2]

	# order 2
	res2 = swh_storage.revision_get([data.revision2["id"], data.revision["id"]])
	assert list(res2) == [data.revision2, data.revision]

	def test_revision_log(self, swh_storage):
	# given
	# data.revision4 -is-child-of-> data.revision3
	swh_storage.revision_add([data.revision3, data.revision4])

	# when
	actual_results = list(swh_storage.revision_log([data.revision4["id"]]))

	# hack: ids generated
	for actual_result in actual_results:
	if "id" in actual_result["author"]:
	del actual_result["author"]["id"]
	if "id" in actual_result["committer"]:
	del actual_result["committer"]["id"]

	assert len(actual_results) == 2 # rev4 -child-> rev3
	assert actual_results[0] == normalize_entity(data.revision4)
	assert actual_results[1] == normalize_entity(data.revision3)

	assert list(swh_storage.journal_writer.journal.objects) == [
	("revision", Revision.from_dict(data.revision3)),
	("revision", Revision.from_dict(data.revision4)),
	]

	def test_revision_log_with_limit(self, swh_storage):
	# given
	# data.revision4 -is-child-of-> data.revision3
	swh_storage.revision_add([data.revision3, data.revision4])
	actual_results = list(swh_storage.revision_log([data.revision4["id"]], 1))

	# hack: ids generated
	for actual_result in actual_results:
	if "id" in actual_result["author"]:
	del actual_result["author"]["id"]
	if "id" in actual_result["committer"]:
	del actual_result["committer"]["id"]

	assert len(actual_results) == 1
	assert actual_results[0] == data.revision4

	def test_revision_log_unknown_revision(self, swh_storage):
	rev_log = list(swh_storage.revision_log([data.revision["id"]]))
	assert rev_log == []

	def test_revision_shortlog(self, swh_storage):
	# given
	# data.revision4 -is-child-of-> data.revision3
	swh_storage.revision_add([data.revision3, data.revision4])

	# when
	actual_results = list(swh_storage.revision_shortlog([data.revision4["id"]]))

	assert len(actual_results) == 2 # rev4 -child-> rev3
	assert list(actual_results[0]) == short_revision(data.revision4)
	assert list(actual_results[1]) == short_revision(data.revision3)

	def test_revision_shortlog_with_limit(self, swh_storage):
	# given
	# data.revision4 -is-child-of-> data.revision3
	swh_storage.revision_add([data.revision3, data.revision4])
	actual_results = list(swh_storage.revision_shortlog([data.revision4["id"]], 1))

	assert len(actual_results) == 1
	assert list(actual_results[0]) == short_revision(data.revision4)

	def test_revision_get(self, swh_storage):
	swh_storage.revision_add([data.revision])

	actual_revisions = list(
	swh_storage.revision_get([data.revision["id"], data.revision2["id"]])
	)

	# when
	if "id" in actual_revisions[0]["author"]:
	del actual_revisions[0]["author"]["id"] # hack: ids are generated
	if "id" in actual_revisions[0]["committer"]:
	del actual_revisions[0]["committer"]["id"]

	assert len(actual_revisions) == 2
	assert actual_revisions[0] == normalize_entity(data.revision)
	assert actual_revisions[1] is None

	def test_revision_get_no_parents(self, swh_storage):
	swh_storage.revision_add([data.revision3])

	get = list(swh_storage.revision_get([data.revision3["id"]]))

	assert len(get) == 1
	assert get[0]["parents"] == () # no parents on this one

	def test_revision_get_random(self, swh_storage):
	swh_storage.revision_add([data.revision, data.revision2, data.revision3])

	assert swh_storage.revision_get_random() in {
	data.revision["id"],
	data.revision2["id"],
	data.revision3["id"],
	}

	def test_release_add(self, swh_storage):
	init_missing = swh_storage.release_missing(
	[data.release["id"], data.release2["id"]]
	)
	assert [data.release["id"], data.release2["id"]] == list(init_missing)

	actual_result = swh_storage.release_add([data.release, data.release2])
	assert actual_result == {"release:add": 2}

	end_missing = swh_storage.release_missing(
	[data.release["id"], data.release2["id"]]
	)
	assert list(end_missing) == []

	assert list(swh_storage.journal_writer.journal.objects) == [
	("release", Release.from_dict(data.release)),
	("release", Release.from_dict(data.release2)),
	]

	# already present so nothing added
	actual_result = swh_storage.release_add([data.release, data.release2])
	assert actual_result == {"release:add": 0}

	swh_storage.refresh_stat_counters()
	assert swh_storage.stat_counters()["release"] == 2

	def test_release_add_from_generator(self, swh_storage):
	def _rel_gen():
	yield data.release
	yield data.release2

	actual_result = swh_storage.release_add(_rel_gen())
	assert actual_result == {"release:add": 2}

	assert list(swh_storage.journal_writer.journal.objects) == [
	("release", Release.from_dict(data.release)),
	("release", Release.from_dict(data.release2)),
	]

	swh_storage.refresh_stat_counters()
	assert swh_storage.stat_counters()["release"] == 2

	def test_release_add_no_author_date(self, swh_storage):
	release = data.release

	release["author"] = None
	release["date"] = None

	actual_result = swh_storage.release_add([release])
	assert actual_result == {"release:add": 1}

	end_missing = swh_storage.release_missing([data.release["id"]])
	assert list(end_missing) == []

	assert list(swh_storage.journal_writer.journal.objects) == [
	("release", Release.from_dict(release))
	]

	def test_release_add_validation(self, swh_storage):
	rel = copy.deepcopy(data.release)
	rel["date"]["offset"] = 2 ** 16

	with pytest.raises(StorageArgumentException, match="offset") as cm:
	swh_storage.release_add([rel])

	if type(cm.value) == psycopg2.DataError:
	assert cm.value.pgcode == psycopg2.errorcodes.NUMERIC_VALUE_OUT_OF_RANGE

	rel = copy.deepcopy(data.release)
	rel["author"] = None

	with pytest.raises(StorageArgumentException, match="date") as cm:
	swh_storage.release_add([rel])

	if type(cm.value) == psycopg2.IntegrityError:
	assert cm.value.pgcode == psycopg2.errorcodes.CHECK_VIOLATION

	def test_release_add_validation_type(self, swh_storage):
	rel = copy.deepcopy(data.release)

	rel["date"]["offset"] = "toto"
	with pytest.raises(StorageArgumentException):
	swh_storage.release_add([rel])

	def test_release_add_twice(self, swh_storage):
	actual_result = swh_storage.release_add([data.release])
	assert actual_result == {"release:add": 1}

	assert list(swh_storage.journal_writer.journal.objects) == [
	("release", Release.from_dict(data.release))
	]

	actual_result = swh_storage.release_add([data.release, data.release2])
	assert actual_result == {"release:add": 1}

	assert list(swh_storage.journal_writer.journal.objects) == [
	("release", Release.from_dict(data.release)),
	("release", Release.from_dict(data.release2)),
	]

	def test_release_add_name_clash(self, swh_storage):
	release1 = data.release.copy()
	release2 = data.release2.copy()

	release1["author"] = {
	"fullname": b"John Doe <john.doe@example.com>",
	"name": b"John Doe",
	"email": b"john.doe@example.com",
	}
	release2["author"] = {
	"fullname": b"John Doe <john.doe@example.com>",
	"name": b"John Doe ",
	"email": b"john.doe@example.com ",
	}
	actual_result = swh_storage.release_add([release1, release2])
	assert actual_result == {"release:add": 2}

	def test_release_get(self, swh_storage):
	# given
	swh_storage.release_add([data.release, data.release2])

	# when
	actual_releases = list(
	swh_storage.release_get([data.release["id"], data.release2["id"]])
	)

	# then
	for actual_release in actual_releases:
	if "id" in actual_release["author"]:
	del actual_release["author"]["id"] # hack: ids are generated

	assert [normalize_entity(data.release), normalize_entity(data.release2)] == [
	actual_releases[0],
	actual_releases[1],
	]

	unknown_releases = list(swh_storage.release_get([data.release3["id"]]))

	assert unknown_releases[0] is None

	def test_release_get_order(self, swh_storage):
	add_result = swh_storage.release_add([data.release, data.release2])
	assert add_result == {"release:add": 2}

	# order 1
	res1 = swh_storage.release_get([data.release["id"], data.release2["id"]])
	assert list(res1) == [data.release, data.release2]

	# order 2
	res2 = swh_storage.release_get([data.release2["id"], data.release["id"]])
	assert list(res2) == [data.release2, data.release]

	def test_release_get_random(self, swh_storage):
	swh_storage.release_add([data.release, data.release2, data.release3])

	assert swh_storage.release_get_random() in {
	data.release["id"],
	data.release2["id"],
	data.release3["id"],
	}

	def test_origin_add_one(self, swh_storage):
	origin0 = swh_storage.origin_get(data.origin)
	assert origin0 is None

	id = swh_storage.origin_add_one(data.origin)

	actual_origin = swh_storage.origin_get({"url": data.origin["url"]})
	assert actual_origin["url"] == data.origin["url"]

	id2 = swh_storage.origin_add_one(data.origin)

	assert id == id2

	def test_origin_add(self, swh_storage):
	origin0 = swh_storage.origin_get([data.origin])[0]
	assert origin0 is None

	stats = swh_storage.origin_add([data.origin, data.origin2])
	assert stats == {"origin:add": 2}

	actual_origin = swh_storage.origin_get([{"url": data.origin["url"],}])[0]
	assert actual_origin["url"] == data.origin["url"]

	actual_origin2 = swh_storage.origin_get([{"url": data.origin2["url"],}])[0]
	assert actual_origin2["url"] == data.origin2["url"]

	assert set(swh_storage.journal_writer.journal.objects) == set(
	[
	("origin", Origin.from_dict(actual_origin)),
	("origin", Origin.from_dict(actual_origin2)),
	]
	)

	swh_storage.refresh_stat_counters()
	assert swh_storage.stat_counters()["origin"] == 2

	def test_origin_add_from_generator(self, swh_storage):
	def _ori_gen():
	yield data.origin
	yield data.origin2

	stats = swh_storage.origin_add(_ori_gen())
	assert stats == {"origin:add": 2}

	actual_origin = swh_storage.origin_get([{"url": data.origin["url"],}])[0]
	assert actual_origin["url"] == data.origin["url"]

	actual_origin2 = swh_storage.origin_get([{"url": data.origin2["url"],}])[0]
	assert actual_origin2["url"] == data.origin2["url"]

	if "id" in actual_origin:
	del actual_origin["id"]
	del actual_origin2["id"]

	assert set(swh_storage.journal_writer.journal.objects) == set(
	[
	("origin", Origin.from_dict(actual_origin)),
	("origin", Origin.from_dict(actual_origin2)),
	]
	)

	swh_storage.refresh_stat_counters()
	assert swh_storage.stat_counters()["origin"] == 2

	def test_origin_add_twice(self, swh_storage):
	add1 = swh_storage.origin_add([data.origin, data.origin2])
	assert set(swh_storage.journal_writer.journal.objects) == set(
	[
	("origin", Origin.from_dict(data.origin)),
	("origin", Origin.from_dict(data.origin2)),
	]
	)
	assert add1 == {"origin:add": 2}

	add2 = swh_storage.origin_add([data.origin, data.origin2])
	assert set(swh_storage.journal_writer.journal.objects) == set(
	[
	("origin", Origin.from_dict(data.origin)),
	("origin", Origin.from_dict(data.origin2)),
	]
	)
	assert add2 == {"origin:add": 0}

	def test_origin_add_validation(self, swh_storage):
	"""Incorrect formatted origin should fail the validation

	"""
	with pytest.raises(StorageArgumentException, match="url"):
	swh_storage.origin_add([{}])
	with pytest.raises(
	StorageArgumentException, match="unexpected keyword argument"
	):
	swh_storage.origin_add([{"ul": "mistyped url key"}])

	def test_origin_get_legacy(self, swh_storage):
	assert swh_storage.origin_get(data.origin) is None
	swh_storage.origin_add_one(data.origin)

	actual_origin0 = swh_storage.origin_get({"url": data.origin["url"]})
	assert actual_origin0["url"] == data.origin["url"]

	def test_origin_get(self, swh_storage):
	assert swh_storage.origin_get(data.origin) is None
	assert swh_storage.origin_get([data.origin]) == [None]
	swh_storage.origin_add_one(data.origin)

	actual_origin0 = swh_storage.origin_get([{"url": data.origin["url"]}])
	assert len(actual_origin0) == 1
	assert actual_origin0[0]["url"] == data.origin["url"]

	actual_origins = swh_storage.origin_get(
	[{"url": data.origin["url"]}, {"url": "not://exists"}]
	)
	assert actual_origins == [{"url": data.origin["url"]}, None]

	def _generate_random_visits(self, nb_visits=100, start=0, end=7):
	"""Generate random visits within the last 2 months (to avoid
	computations)

	"""
	visits = []
	today = now()
	for weeks in range(nb_visits, 0, -1):
	hours = random.randint(0, 24)
	minutes = random.randint(0, 60)
	seconds = random.randint(0, 60)
	days = random.randint(0, 28)
	weeks = random.randint(start, end)
	date_visit = today - timedelta(
	weeks=weeks, hours=hours, minutes=minutes, seconds=seconds, days=days
	)
	visits.append(date_visit)
	return visits

	def test_origin_visit_get__unknown_origin(self, swh_storage):
	assert [] == list(swh_storage.origin_visit_get("foo"))

	def test_origin_visit_get_random(self, swh_storage):
	swh_storage.origin_add(data.origins)
	# Add some random visits within the selection range
	visits = self._generate_random_visits()
	visit_type = "git"

	# Add visits to those origins
	for origin in data.origins:
	origin_url = origin["url"]
	for date_visit in visits:
	visit = swh_storage.origin_visit_add(
	[OriginVisit(origin=origin_url, date=date_visit, type=visit_type,)]
	)[0]
	swh_storage.origin_visit_status_add(
	[
	OriginVisitStatus(
	origin=origin_url,
	visit=visit.visit,
	date=now(),
	status="full",
	snapshot=None,
	)
	]
	)

	swh_storage.refresh_stat_counters()

	stats = swh_storage.stat_counters()
	assert stats["origin"] == len(data.origins)
	assert stats["origin_visit"] == len(data.origins) * len(visits)

	random_origin_visit = swh_storage.origin_visit_get_random(visit_type)
	assert random_origin_visit
	assert random_origin_visit["origin"] is not None
	original_urls = [o["url"] for o in data.origins]
	assert random_origin_visit["origin"] in original_urls

	def test_origin_visit_get_random_nothing_found(self, swh_storage):
	swh_storage.origin_add(data.origins)
	visit_type = "hg"
	# Add some visits outside of the random generation selection so nothing
	# will be found by the random selection
	visits = self._generate_random_visits(nb_visits=3, start=13, end=24)
	for origin in data.origins:
	origin_url = origin["url"]
	for date_visit in visits:
	visit = swh_storage.origin_visit_add(
	[OriginVisit(origin=origin_url, date=date_visit, type=visit_type,)]
	)[0]
	swh_storage.origin_visit_status_add(
	[
	OriginVisitStatus(
	origin=origin_url,
	visit=visit.visit,
	date=now(),
	status="full",
	snapshot=None,
	)
	]
	)

	random_origin_visit = swh_storage.origin_visit_get_random(visit_type)
	assert random_origin_visit is None

	def test_origin_get_by_sha1(self, swh_storage):
	assert swh_storage.origin_get(data.origin) is None
	swh_storage.origin_add_one(data.origin)

	origins = list(swh_storage.origin_get_by_sha1([sha1(data.origin["url"])]))
	assert len(origins) == 1
	assert origins[0]["url"] == data.origin["url"]

	def test_origin_get_by_sha1_not_found(self, swh_storage):
	assert swh_storage.origin_get(data.origin) is None
	origins = list(swh_storage.origin_get_by_sha1([sha1(data.origin["url"])]))
	assert len(origins) == 1
	assert origins[0] is None

	def test_origin_search_single_result(self, swh_storage):
	found_origins = list(swh_storage.origin_search(data.origin["url"]))
	assert len(found_origins) == 0

	found_origins = list(swh_storage.origin_search(data.origin["url"], regexp=True))
	assert len(found_origins) == 0

	swh_storage.origin_add_one(data.origin)
	origin_data = {"url": data.origin["url"]}
	found_origins = list(swh_storage.origin_search(data.origin["url"]))
	assert len(found_origins) == 1
	if "id" in found_origins[0]:
	del found_origins[0]["id"]
	assert found_origins[0] == origin_data

	found_origins = list(
	swh_storage.origin_search("." + data.origin["url"][1:-1] + ".", regexp=True)
	)
	assert len(found_origins) == 1
	if "id" in found_origins[0]:
	del found_origins[0]["id"]
	assert found_origins[0] == origin_data

	swh_storage.origin_add_one(data.origin2)
	origin2_data = {"url": data.origin2["url"]}
	found_origins = list(swh_storage.origin_search(data.origin2["url"]))
	assert len(found_origins) == 1
	if "id" in found_origins[0]:
	del found_origins[0]["id"]
	assert found_origins[0] == origin2_data

	found_origins = list(
	swh_storage.origin_search(
	"." + data.origin2["url"][1:-1] + ".", regexp=True
	)
	)
	assert len(found_origins) == 1
	if "id" in found_origins[0]:
	del found_origins[0]["id"]
	assert found_origins[0] == origin2_data

	def test_origin_search_no_regexp(self, swh_storage):
	swh_storage.origin_add_one(data.origin)
	swh_storage.origin_add_one(data.origin2)

	origin = swh_storage.origin_get({"url": data.origin["url"]})
	origin2 = swh_storage.origin_get({"url": data.origin2["url"]})

	# no pagination
	found_origins = list(swh_storage.origin_search("/"))
	assert len(found_origins) == 2

	# offset=0
	found_origins0 = list(swh_storage.origin_search("/", offset=0, limit=1)) # noqa
	assert len(found_origins0) == 1
	assert found_origins0[0] in [origin, origin2]

	# offset=1
	found_origins1 = list(swh_storage.origin_search("/", offset=1, limit=1)) # noqa
	assert len(found_origins1) == 1
	assert found_origins1[0] in [origin, origin2]

	# check both origins were returned
	assert found_origins0 != found_origins1

	def test_origin_search_regexp_substring(self, swh_storage):
	swh_storage.origin_add_one(data.origin)
	swh_storage.origin_add_one(data.origin2)

	origin = swh_storage.origin_get({"url": data.origin["url"]})
	origin2 = swh_storage.origin_get({"url": data.origin2["url"]})

	# no pagination
	found_origins = list(swh_storage.origin_search("/", regexp=True))
	assert len(found_origins) == 2

	# offset=0
	found_origins0 = list(
	swh_storage.origin_search("/", offset=0, limit=1, regexp=True)
	) # noqa
	assert len(found_origins0) == 1
	assert found_origins0[0] in [origin, origin2]

	# offset=1
	found_origins1 = list(
	swh_storage.origin_search("/", offset=1, limit=1, regexp=True)
	) # noqa
	assert len(found_origins1) == 1
	assert found_origins1[0] in [origin, origin2]

	# check both origins were returned
	assert found_origins0 != found_origins1

	def test_origin_search_regexp_fullstring(self, swh_storage):
	swh_storage.origin_add_one(data.origin)
	swh_storage.origin_add_one(data.origin2)

	origin = swh_storage.origin_get({"url": data.origin["url"]})
	origin2 = swh_storage.origin_get({"url": data.origin2["url"]})

	# no pagination
	found_origins = list(swh_storage.origin_search("./.", regexp=True))
	assert len(found_origins) == 2

	# offset=0
	found_origins0 = list(
	swh_storage.origin_search("./.", offset=0, limit=1, regexp=True)
	) # noqa
	assert len(found_origins0) == 1
	assert found_origins0[0] in [origin, origin2]

	# offset=1
	found_origins1 = list(
	swh_storage.origin_search("./.", offset=1, limit=1, regexp=True)
	) # noqa
	assert len(found_origins1) == 1
	assert found_origins1[0] in [origin, origin2]

	# check both origins were returned
	assert found_origins0 != found_origins1

	def test_origin_visit_add(self, swh_storage):
	origin1 = Origin.from_dict(data.origin2)
	swh_storage.origin_add_one(origin1)

	date_visit = now()
	date_visit2 = date_visit + datetime.timedelta(minutes=1)

	date_visit = round_to_milliseconds(date_visit)
	date_visit2 = round_to_milliseconds(date_visit2)

	visit1 = OriginVisit(
	origin=origin1.url, date=date_visit, type=data.type_visit1,
	)
	visit2 = OriginVisit(
	origin=origin1.url, date=date_visit2, type=data.type_visit2,
	)

	# add once
	ov1, ov2 = swh_storage.origin_visit_add([visit1, visit2])
	# then again (will be ignored as they already exist)
	origin_visit1, origin_visit2 = swh_storage.origin_visit_add([ov1, ov2])
	assert ov1 == origin_visit1
	assert ov2 == origin_visit2

	ovs1 = OriginVisitStatus(
	origin=origin1.url,
	visit=ov1.visit,
	date=date_visit,
	status="created",
	snapshot=None,
	)
	ovs2 = OriginVisitStatus(
	origin=origin1.url,
	visit=ov2.visit,
	date=date_visit2,
	status="created",
	snapshot=None,
	)

	actual_origin_visits = list(swh_storage.origin_visit_get(origin1.url))
	expected_visits = [
	{**ovs1.to_dict(), "type": ov1.type},
	{**ovs2.to_dict(), "type": ov2.type},
	]

	assert len(expected_visits) == len(actual_origin_visits)

	for visit in expected_visits:
	assert visit in actual_origin_visits

	- actual_objects = set(swh_storage.journal_writer.journal.objects)
	- # we write to the journal as many times as we call the endpoint
	- assert actual_objects == set(
	+ actual_objects = list(swh_storage.journal_writer.journal.objects)
	+ expected_objects = list(
	[("origin", origin1)]
	+ [("origin_visit", visit) for visit in [ov1, ov2]] * 2
	+ [("origin_visit_status", ovs) for ovs in [ovs1, ovs2]]
	)

	+ for obj in expected_objects:
	+ assert obj in actual_objects
	+
	def test_origin_visit_add_validation(self, swh_storage):
	"""Unknown origin when adding visits should raise"""
	visit = OriginVisit(
	origin="something-unknown", date=now(), type=data.type_visit1,
	)
	with pytest.raises(StorageArgumentException, match="Unknown origin"):
	swh_storage.origin_visit_add([visit])

	objects = list(swh_storage.journal_writer.journal.objects)
	assert not objects

	def test_origin_visit_status_add_validation(self, swh_storage):
	"""Wrong origin_visit_status input should raise storage argument error"""
	date_visit = now()
	visit_status1 = OriginVisitStatus(
	origin="unknown-origin-url",
	visit=10,
	date=date_visit,
	status="full",
	snapshot=None,
	)
	with pytest.raises(StorageArgumentException, match="Unknown origin"):
	swh_storage.origin_visit_status_add([visit_status1])

	objects = list(swh_storage.journal_writer.journal.objects)
	assert not objects

	def test_origin_visit_status_add(self, swh_storage):
	"""Correct origin visit statuses should add a new visit status

	"""
	origin1 = Origin.from_dict(data.origin2)
	origin2 = Origin(url="new-origin")
	swh_storage.origin_add([origin1, origin2])

	ov1, ov2 = swh_storage.origin_visit_add(
	[
	OriginVisit(
	origin=origin1.url, date=data.date_visit1, type=data.type_visit1,
	),
	OriginVisit(
	origin=origin2.url, date=data.date_visit2, type=data.type_visit2,
	),
	]
	)

	ovs1 = OriginVisitStatus(
	origin=origin1.url,
	visit=ov1.visit,
	date=data.date_visit1,
	status="created",
	snapshot=None,
	)
	ovs2 = OriginVisitStatus(
	origin=origin2.url,
	visit=ov2.visit,
	date=data.date_visit2,
	status="created",
	snapshot=None,
	)

	snapshot_id = data.snapshot["id"]
	date_visit_now = now()
	visit_status1 = OriginVisitStatus(
	origin=ov1.origin,
	visit=ov1.visit,
	date=date_visit_now,
	status="full",
	snapshot=snapshot_id,
	)

	date_visit_now = now()
	visit_status2 = OriginVisitStatus(
	origin=ov2.origin,
	visit=ov2.visit,
	date=date_visit_now,
	status="ongoing",
	snapshot=None,
	metadata={"intrinsic": "something"},
	)
	swh_storage.origin_visit_status_add([visit_status1, visit_status2])

	origin_visit1 = swh_storage.origin_visit_get_latest(
	origin1.url, require_snapshot=True
	)
	assert origin_visit1
	assert origin_visit1["status"] == "full"
	assert origin_visit1["snapshot"] == snapshot_id

	origin_visit2 = swh_storage.origin_visit_get_latest(
	origin2.url, require_snapshot=False
	)
	assert origin2.url != origin1.url
	assert origin_visit2
	assert origin_visit2["status"] == "ongoing"
	assert origin_visit2["snapshot"] is None
	assert origin_visit2["metadata"] == {"intrinsic": "something"}

	actual_objects = list(swh_storage.journal_writer.journal.objects)

	expected_origins = [origin1, origin2]
	expected_visits = [ov1, ov2]
	expected_visit_statuses = [ovs1, ovs2, visit_status1, visit_status2]

	expected_objects = (
	[("origin", o) for o in expected_origins]
	+ [("origin_visit", v) for v in expected_visits]
	+ [("origin_visit_status", ovs) for ovs in expected_visit_statuses]
	)

	for obj in expected_objects:
	assert obj in actual_objects

	def test_origin_visit_status_add_twice(self, swh_storage):
	"""Correct origin visit statuses should add a new visit status

	"""
	origin1 = Origin.from_dict(data.origin2)
	swh_storage.origin_add([origin1])
	ov1 = swh_storage.origin_visit_add(
	[
	OriginVisit(
	origin=origin1.url, date=data.date_visit1, type=data.type_visit1,
	),
	]
	)[0]

	ovs1 = OriginVisitStatus(
	origin=origin1.url,
	visit=ov1.visit,
	date=data.date_visit1,
	status="created",
	snapshot=None,
	)
	snapshot_id = data.snapshot["id"]
	date_visit_now = now()
	visit_status1 = OriginVisitStatus(
	origin=ov1.origin,
	visit=ov1.visit,
	date=date_visit_now,
	status="full",
	snapshot=snapshot_id,
	)

	swh_storage.origin_visit_status_add([visit_status1])
	# second call will ignore existing entries (will send to storage though)
	swh_storage.origin_visit_status_add([visit_status1])

	origin_visits = list(swh_storage.origin_visit_get(ov1.origin))

	assert len(origin_visits) == 1
	origin_visit1 = origin_visits[0]
	assert origin_visit1
	assert origin_visit1["status"] == "full"
	assert origin_visit1["snapshot"] == snapshot_id

	actual_objects = list(swh_storage.journal_writer.journal.objects)

	expected_origins = [origin1]
	expected_visits = [ov1]
	expected_visit_statuses = [ovs1, visit_status1, visit_status1]

	# write twice in the journal
	expected_objects = (
	[("origin", o) for o in expected_origins]
	+ [("origin_visit", v) for v in expected_visits]
	+ [("origin_visit_status", ovs) for ovs in expected_visit_statuses]
	)

	for obj in expected_objects:
	assert obj in actual_objects

	def test_origin_visit_find_by_date(self, swh_storage):
	# given
	origin = Origin.from_dict(data.origin)
	swh_storage.origin_add_one(data.origin)
	visit1 = OriginVisit(
	origin=origin.url, date=data.date_visit2, type=data.type_visit1,
	)
	visit2 = OriginVisit(
	origin=origin.url, date=data.date_visit3, type=data.type_visit2,
	)
	visit3 = OriginVisit(
	origin=origin.url, date=data.date_visit2, type=data.type_visit3,
	)
	ov1, ov2, ov3 = swh_storage.origin_visit_add([visit1, visit2, visit3])

	ovs1 = OriginVisitStatus(
	origin=origin.url,
	visit=ov1.visit,
	date=data.date_visit2,
	status="ongoing",
	snapshot=None,
	)
	ovs2 = OriginVisitStatus(
	origin=origin.url,
	visit=ov2.visit,
	date=data.date_visit3,
	status="ongoing",
	snapshot=None,
	)
	ovs3 = OriginVisitStatus(
	origin=origin.url,
	visit=ov3.visit,
	date=data.date_visit2,
	status="ongoing",
	snapshot=None,
	)
	swh_storage.origin_visit_status_add([ovs1, ovs2, ovs3])

	# Simple case
	visit = swh_storage.origin_visit_find_by_date(origin.url, data.date_visit3)
	assert visit["visit"] == ov2.visit

	# There are two visits at the same date, the latest must be returned
	visit = swh_storage.origin_visit_find_by_date(origin.url, data.date_visit2)
	assert visit["visit"] == ov3.visit

	def test_origin_visit_find_by_date__unknown_origin(self, swh_storage):
	swh_storage.origin_visit_find_by_date("foo", data.date_visit2)

	def test_origin_visit_get_by(self, swh_storage):
	origin_url = swh_storage.origin_add_one(data.origin)
	origin_url2 = swh_storage.origin_add_one(data.origin2)
	visit = OriginVisit(
	origin=origin_url, date=data.date_visit2, type=data.type_visit2,
	)
	origin_visit1 = swh_storage.origin_visit_add([visit])[0]

	swh_storage.snapshot_add([data.snapshot])
	swh_storage.origin_visit_status_add(
	[
	OriginVisitStatus(
	origin=origin_url,
	visit=origin_visit1.visit,
	date=now(),
	status="ongoing",
	snapshot=data.snapshot["id"],
	)
	]
	)

	# Add some other {origin, visit} entries
	visit2 = OriginVisit(
	origin=origin_url,
	date=data.date_visit3,
	type=data.type_visit3,
	status="ongoing",
	snapshot=None,
	)
	visit3 = OriginVisit(
	origin=origin_url2,
	date=data.date_visit3,
	type=data.type_visit3,
	status="ongoing",
	snapshot=None,
	)
	swh_storage.origin_visit_add([visit2, visit3])

	# when
	visit1_metadata = {
	"contents": 42,
	"directories": 22,
	}

	swh_storage.origin_visit_status_add(
	[
	OriginVisitStatus(
	origin=origin_url,
	visit=origin_visit1.visit,
	date=now(),
	status="full",
	snapshot=data.snapshot["id"],
	metadata=visit1_metadata,
	)
	]
	)

	expected_origin_visit = origin_visit1.to_dict()
	expected_origin_visit.update(
	{
	"origin": origin_url,
	"visit": origin_visit1.visit,
	"date": data.date_visit2,
	"type": data.type_visit2,
	"metadata": visit1_metadata,
	"status": "full",
	"snapshot": data.snapshot["id"],
	}
	)

	# when
	actual_origin_visit1 = swh_storage.origin_visit_get_by(
	origin_url, origin_visit1.visit
	)

	# then
	assert actual_origin_visit1 == expected_origin_visit

	def test_origin_visit_get_by__unknown_origin(self, swh_storage):
	assert swh_storage.origin_visit_get_by("foo", 10) is None

	def test_origin_visit_get_by_no_result(self, swh_storage):
	swh_storage.origin_add([data.origin])
	actual_origin_visit = swh_storage.origin_visit_get_by(data.origin["url"], 999)
	assert actual_origin_visit is None

	def test_origin_visit_get_latest_none(self, swh_storage):
	"""Origin visit get latest on unknown objects should return nothing

	"""
	# unknown origin so no result
	assert swh_storage.origin_visit_get_latest("unknown-origin") is None

	# unknown type
	origin = Origin.from_dict(data.origin)
	swh_storage.origin_add_one(origin)
	assert swh_storage.origin_visit_get_latest(origin.url, type="unknown") is None

	def test_origin_visit_get_latest_filter_type(self, swh_storage):
	"""Filtering origin visit get latest with filter type should be ok

	"""
	origin = Origin.from_dict(data.origin)
	swh_storage.origin_add_one(origin)
	visit1 = OriginVisit(
	origin=origin.url, date=data.date_visit1, type=data.type_visit1,
	)
	visit2 = OriginVisit(
	origin=origin.url, date=data.date_visit2, type=data.type_visit2,
	)
	# Add a visit with the same date as the previous one
	visit3 = OriginVisit(
	origin=origin.url, date=data.date_visit2, type=data.type_visit2,
	)
	assert data.type_visit1 != data.type_visit2
	assert data.date_visit1 < data.date_visit2

	ov1, ov2, ov3 = swh_storage.origin_visit_add([visit1, visit2, visit3])

	origin_visit1 = swh_storage.origin_visit_get_by(origin.url, ov1.visit)
	origin_visit3 = swh_storage.origin_visit_get_by(origin.url, ov3.visit)

	assert data.type_visit1 != data.type_visit2

	# Check type filter is ok
	actual_ov1 = swh_storage.origin_visit_get_latest(
	origin.url, type=data.type_visit1,
	)
	assert actual_ov1 == origin_visit1

	actual_ov3 = swh_storage.origin_visit_get_latest(
	origin.url, type=data.type_visit2,
	)
	assert actual_ov3 == origin_visit3

	new_type = "npm"
	assert new_type not in [data.type_visit1, data.type_visit2]

	assert (
	swh_storage.origin_visit_get_latest(
	origin.url, type=new_type, # no visit matching that type
	)
	is None
	)

	def test_origin_visit_get_latest(self, swh_storage):
	origin = Origin.from_dict(data.origin)
	swh_storage.origin_add_one(origin)
	visit1 = OriginVisit(
	origin=origin.url, date=data.date_visit1, type=data.type_visit1,
	)
	visit2 = OriginVisit(
	origin=origin.url, date=data.date_visit2, type=data.type_visit2,
	)
	# Add a visit with the same date as the previous one
	visit3 = OriginVisit(
	origin=origin.url, date=data.date_visit2, type=data.type_visit2,
	)

	ov1, ov2, ov3 = swh_storage.origin_visit_add([visit1, visit2, visit3])

	origin_visit1 = swh_storage.origin_visit_get_by(origin.url, ov1.visit)
	origin_visit2 = swh_storage.origin_visit_get_by(origin.url, ov2.visit)
	origin_visit3 = swh_storage.origin_visit_get_by(origin.url, ov3.visit)
	# Two visits, both with no snapshot
	assert origin_visit3 == swh_storage.origin_visit_get_latest(origin.url)
	assert (
	swh_storage.origin_visit_get_latest(origin.url, require_snapshot=True)
	is None
	)

	# Add snapshot to visit1; require_snapshot=True makes it return
	# visit1 and require_snapshot=False still returns visit2
	complete_snapshot = Snapshot.from_dict(data.complete_snapshot)
	swh_storage.snapshot_add([complete_snapshot])
	swh_storage.origin_visit_status_add(
	[
	OriginVisitStatus(
	origin=origin.url,
	visit=ov1.visit,
	date=now(),
	status="ongoing",
	snapshot=complete_snapshot.id,
	)
	]
	)
	actual_visit = swh_storage.origin_visit_get_latest(
	origin.url, require_snapshot=True
	)
	assert actual_visit == {
	**origin_visit1,
	"snapshot": complete_snapshot.id,
	"status": "ongoing", # visit1 has status created now
	}

	assert origin_visit3 == swh_storage.origin_visit_get_latest(origin.url)

	# Status filter: all three visits are status=ongoing, so no visit
	# returned
	assert (
	swh_storage.origin_visit_get_latest(origin.url, allowed_statuses=["full"])
	is None
	)

	# Mark the first visit as completed and check status filter again
	swh_storage.origin_visit_status_add(
	[
	OriginVisitStatus(
	origin=origin.url,
	visit=ov1.visit,
	date=now(),
	status="full",
	snapshot=complete_snapshot.id,
	)
	]
	)

	assert {
	**origin_visit1,
	"snapshot": complete_snapshot.id,
	"status": "full",
	} == swh_storage.origin_visit_get_latest(origin.url, allowed_statuses=["full"])

	assert origin_visit3 == swh_storage.origin_visit_get_latest(origin.url)

	# Add snapshot to visit2 and check that the new snapshot is returned
	empty_snapshot = Snapshot.from_dict(data.empty_snapshot)
	swh_storage.snapshot_add([empty_snapshot])

	swh_storage.origin_visit_status_add(
	[
	OriginVisitStatus(
	origin=origin.url,
	visit=ov2.visit,
	date=now(),
	status="ongoing",
	snapshot=empty_snapshot.id,
	)
	]
	)
	assert {
	**origin_visit2,
	"snapshot": empty_snapshot.id,
	"status": "ongoing",
	} == swh_storage.origin_visit_get_latest(origin.url, require_snapshot=True)

	assert origin_visit3 == swh_storage.origin_visit_get_latest(origin.url)

	# Check that the status filter is still working
	assert {
	**origin_visit1,
	"snapshot": complete_snapshot.id,
	"status": "full",
	} == swh_storage.origin_visit_get_latest(origin.url, allowed_statuses=["full"])

	# Add snapshot to visit3 (same date as visit2)
	swh_storage.origin_visit_status_add(
	[
	OriginVisitStatus(
	origin=origin.url,
	visit=ov3.visit,
	date=now(),
	status="ongoing",
	snapshot=complete_snapshot.id,
	)
	]
	)
	assert {
	**origin_visit1,
	"snapshot": complete_snapshot.id,
	"status": "full",
	} == swh_storage.origin_visit_get_latest(origin.url, allowed_statuses=["full"])
	assert {
	**origin_visit1,
	"snapshot": complete_snapshot.id,
	"status": "full",
	} == swh_storage.origin_visit_get_latest(
	origin.url, allowed_statuses=["full"], require_snapshot=True
	)
	assert {
	**origin_visit3,
	"snapshot": complete_snapshot.id,
	"status": "ongoing",
	} == swh_storage.origin_visit_get_latest(origin.url)

	assert {
	**origin_visit3,
	"snapshot": complete_snapshot.id,
	"status": "ongoing",
	} == swh_storage.origin_visit_get_latest(origin.url, require_snapshot=True)

	def test_origin_visit_status_get_latest(self, swh_storage):
	origin1 = Origin.from_dict(data.origin)
	swh_storage.origin_add_one(data.origin)

	# to have some reference visits

	ov1, ov2 = swh_storage.origin_visit_add(
	[
	OriginVisit(
	origin=origin1.url, date=data.date_visit1, type=data.type_visit1,
	),
	OriginVisit(
	origin=origin1.url, date=data.date_visit2, type=data.type_visit2,
	),
	]
	)

	snapshot = Snapshot.from_dict(data.complete_snapshot)
	swh_storage.snapshot_add([snapshot])

	date_now = now()
	date_now = round_to_milliseconds(date_now)
	assert data.date_visit1 < data.date_visit2
	assert data.date_visit2 < date_now

	ovs1 = OriginVisitStatus(
	origin=origin1.url,
	visit=ov1.visit,
	date=data.date_visit1,
	status="partial",
	snapshot=None,
	)
	ovs2 = OriginVisitStatus(
	origin=origin1.url,
	visit=ov1.visit,
	date=data.date_visit2,
	status="ongoing",
	snapshot=None,
	)
	ovs3 = OriginVisitStatus(
	origin=origin1.url,
	visit=ov2.visit,
	date=data.date_visit2 + datetime.timedelta(minutes=1), # to not be ignored
	status="ongoing",
	snapshot=None,
	)
	ovs4 = OriginVisitStatus(
	origin=origin1.url,
	visit=ov2.visit,
	date=date_now,
	status="full",
	snapshot=snapshot.id,
	metadata={"something": "wicked"},
	)

	swh_storage.origin_visit_status_add([ovs1, ovs2, ovs3, ovs4])

	# unknown origin so no result
	actual_origin_visit = swh_storage.origin_visit_status_get_latest(
	"unknown-origin", ov1.visit
	)
	assert actual_origin_visit is None

	# unknown visit so no result
	actual_origin_visit = swh_storage.origin_visit_status_get_latest(
	ov1.origin, ov1.visit + 10
	)
	assert actual_origin_visit is None

	# Two visits, both with no snapshot, take the most recent
	actual_origin_visit2 = swh_storage.origin_visit_status_get_latest(
	origin1.url, ov1.visit
	)
	assert isinstance(actual_origin_visit2, OriginVisitStatus)
	assert actual_origin_visit2 == ovs2
	assert ovs2.origin == origin1.url
	assert ovs2.visit == ov1.visit

	actual_origin_visit = swh_storage.origin_visit_status_get_latest(
	origin1.url, ov1.visit, require_snapshot=True
	)
	# there is no visit with snapshot yet for that visit
	assert actual_origin_visit is None

	actual_origin_visit2 = swh_storage.origin_visit_status_get_latest(
	origin1.url, ov1.visit, allowed_statuses=["partial", "ongoing"]
	)
	# visit status with partial status visit elected
	assert actual_origin_visit2 == ovs2
	assert actual_origin_visit2.status == "ongoing"

	actual_origin_visit4 = swh_storage.origin_visit_status_get_latest(
	origin1.url, ov2.visit, require_snapshot=True
	)
	assert actual_origin_visit4 == ovs4
	assert actual_origin_visit4.snapshot == snapshot.id

	actual_origin_visit = swh_storage.origin_visit_status_get_latest(
	origin1.url, ov2.visit, require_snapshot=True, allowed_statuses=["ongoing"]
	)
	# nothing matches so nothing
	assert actual_origin_visit is None # there is no visit with status full

	actual_origin_visit3 = swh_storage.origin_visit_status_get_latest(
	origin1.url, ov2.visit, allowed_statuses=["ongoing"]
	)
	assert actual_origin_visit3 == ovs3

	def test_person_fullname_unicity(self, swh_storage):
	# given (person injection through revisions for example)
	revision = data.revision

	# create a revision with same committer fullname but wo name and email
	revision2 = copy.deepcopy(data.revision2)
	revision2["committer"] = dict(revision["committer"])
	revision2["committer"]["email"] = None
	revision2["committer"]["name"] = None

	swh_storage.revision_add([revision])
	swh_storage.revision_add([revision2])

	# when getting added revisions
	revisions = list(swh_storage.revision_get([revision["id"], revision2["id"]]))

	# then
	# check committers are the same
	assert revisions[0]["committer"] == revisions[1]["committer"]

	def test_snapshot_add_get_empty(self, swh_storage):
	origin_url = swh_storage.origin_add_one(data.origin)
	ov1 = swh_storage.origin_visit_add(
	[
	OriginVisit(
	origin=origin_url, date=data.date_visit1, type=data.type_visit1,
	)
	]
	)[0]

	actual_result = swh_storage.snapshot_add([data.empty_snapshot])
	assert actual_result == {"snapshot:add": 1}

	date_now = now()

	swh_storage.origin_visit_status_add(
	[
	OriginVisitStatus(
	origin=origin_url,
	visit=ov1.visit,
	date=date_now,
	status="full",
	snapshot=data.empty_snapshot["id"],
	)
	]
	)

	by_id = swh_storage.snapshot_get(data.empty_snapshot["id"])
	assert by_id == {**data.empty_snapshot, "next_branch": None}

	by_ov = swh_storage.snapshot_get_by_origin_visit(origin_url, ov1.visit)
	assert by_ov == {**data.empty_snapshot, "next_branch": None}

	ovs1 = OriginVisitStatus.from_dict(
	{
	"origin": origin_url,
	"date": data.date_visit1,
	"visit": ov1.visit,
	"status": "created",
	"snapshot": None,
	"metadata": None,
	}
	)
	ovs2 = OriginVisitStatus.from_dict(
	{
	"origin": origin_url,
	"date": date_now,
	"visit": ov1.visit,
	"status": "full",
	"metadata": None,
	"snapshot": data.empty_snapshot["id"],
	}
	)
	actual_objects = list(swh_storage.journal_writer.journal.objects)

	expected_objects = [
	("origin", Origin.from_dict(data.origin)),
	("origin_visit", ov1),
	("origin_visit_status", ovs1,),
	("snapshot", Snapshot.from_dict(data.empty_snapshot)),
	("origin_visit_status", ovs2,),
	]
	for obj in expected_objects:
	assert obj in actual_objects

	def test_snapshot_add_get_complete(self, swh_storage):
	origin_url = data.origin["url"]
	origin_url = swh_storage.origin_add_one(data.origin)
	visit = OriginVisit(
	origin=origin_url,
	date=data.date_visit1,
	type=data.type_visit1,
	status="ongoing",
	snapshot=None,
	)
	origin_visit1 = swh_storage.origin_visit_add([visit])[0]
	visit_id = origin_visit1.visit

	actual_result = swh_storage.snapshot_add([data.complete_snapshot])
	swh_storage.origin_visit_status_add(
	[
	OriginVisitStatus(
	origin=origin_url,
	visit=origin_visit1.visit,
	date=now(),
	status="ongoing",
	snapshot=data.complete_snapshot["id"],
	)
	]
	)
	assert actual_result == {"snapshot:add": 1}

	by_id = swh_storage.snapshot_get(data.complete_snapshot["id"])
	assert by_id == {**data.complete_snapshot, "next_branch": None}

	by_ov = swh_storage.snapshot_get_by_origin_visit(origin_url, visit_id)
	assert by_ov == {**data.complete_snapshot, "next_branch": None}

	def test_snapshot_add_many(self, swh_storage):
	actual_result = swh_storage.snapshot_add(
	[data.snapshot, data.complete_snapshot]
	)
	assert actual_result == {"snapshot:add": 2}

	assert {
	**data.complete_snapshot,
	"next_branch": None,
	} == swh_storage.snapshot_get(data.complete_snapshot["id"])

	assert {**data.snapshot, "next_branch": None} == swh_storage.snapshot_get(
	data.snapshot["id"]
	)

	swh_storage.refresh_stat_counters()
	assert swh_storage.stat_counters()["snapshot"] == 2

	def test_snapshot_add_many_from_generator(self, swh_storage):
	def _snp_gen():
	yield data.snapshot
	yield data.complete_snapshot

	actual_result = swh_storage.snapshot_add(_snp_gen())
	assert actual_result == {"snapshot:add": 2}

	swh_storage.refresh_stat_counters()
	assert swh_storage.stat_counters()["snapshot"] == 2

	def test_snapshot_add_many_incremental(self, swh_storage):
	actual_result = swh_storage.snapshot_add([data.complete_snapshot])
	assert actual_result == {"snapshot:add": 1}

	actual_result2 = swh_storage.snapshot_add(
	[data.snapshot, data.complete_snapshot]
	)
	assert actual_result2 == {"snapshot:add": 1}

	assert {
	**data.complete_snapshot,
	"next_branch": None,
	} == swh_storage.snapshot_get(data.complete_snapshot["id"])

	assert {**data.snapshot, "next_branch": None} == swh_storage.snapshot_get(
	data.snapshot["id"]
	)

	def test_snapshot_add_twice(self, swh_storage):
	actual_result = swh_storage.snapshot_add([data.empty_snapshot])
	assert actual_result == {"snapshot:add": 1}

	assert list(swh_storage.journal_writer.journal.objects) == [
	("snapshot", Snapshot.from_dict(data.empty_snapshot))
	]

	actual_result = swh_storage.snapshot_add([data.snapshot])
	assert actual_result == {"snapshot:add": 1}

	assert list(swh_storage.journal_writer.journal.objects) == [
	("snapshot", Snapshot.from_dict(data.empty_snapshot)),
	("snapshot", Snapshot.from_dict(data.snapshot)),
	]

	def test_snapshot_add_validation(self, swh_storage):
	snap = copy.deepcopy(data.snapshot)
	snap["branches"][b"foo"] = {"target_type": "revision"}

	with pytest.raises(StorageArgumentException, match="target"):
	swh_storage.snapshot_add([snap])

	snap = copy.deepcopy(data.snapshot)
	snap["branches"][b"foo"] = {"target": b"\x42" * 20}

	with pytest.raises(StorageArgumentException, match="target_type"):
	swh_storage.snapshot_add([snap])

	def test_snapshot_add_count_branches(self, swh_storage):
	actual_result = swh_storage.snapshot_add([data.complete_snapshot])
	assert actual_result == {"snapshot:add": 1}

	snp_id = data.complete_snapshot["id"]
	snp_size = swh_storage.snapshot_count_branches(snp_id)

	expected_snp_size = {
	"alias": 1,
	"content": 1,
	"directory": 2,
	"release": 1,
	"revision": 1,
	"snapshot": 1,
	None: 1,
	}
	assert snp_size == expected_snp_size

	def test_snapshot_add_get_paginated(self, swh_storage):
	swh_storage.snapshot_add([data.complete_snapshot])

	snp_id = data.complete_snapshot["id"]
	branches = data.complete_snapshot["branches"]
	branch_names = list(sorted(branches))

	# Test branch_from
	snapshot = swh_storage.snapshot_get_branches(snp_id, branches_from=b"release")

	rel_idx = branch_names.index(b"release")
	expected_snapshot = {
	"id": snp_id,
	"branches": {name: branches[name] for name in branch_names[rel_idx:]},
	"next_branch": None,
	}

	assert snapshot == expected_snapshot

	# Test branches_count
	snapshot = swh_storage.snapshot_get_branches(snp_id, branches_count=1)

	expected_snapshot = {
	"id": snp_id,
	"branches": {branch_names[0]: branches[branch_names[0]],},
	"next_branch": b"content",
	}
	assert snapshot == expected_snapshot

	# test branch_from + branches_count

	snapshot = swh_storage.snapshot_get_branches(
	snp_id, branches_from=b"directory", branches_count=3
	)

	dir_idx = branch_names.index(b"directory")
	expected_snapshot = {
	"id": snp_id,
	"branches": {
	name: branches[name] for name in branch_names[dir_idx : dir_idx + 3]
	},
	"next_branch": branch_names[dir_idx + 3],
	}

	assert snapshot == expected_snapshot

	def test_snapshot_add_get_filtered(self, swh_storage):
	origin_url = swh_storage.origin_add_one(data.origin)
	visit = OriginVisit(
	origin=origin_url, date=data.date_visit1, type=data.type_visit1,
	)
	origin_visit1 = swh_storage.origin_visit_add([visit])[0]

	swh_storage.snapshot_add([data.complete_snapshot])
	swh_storage.origin_visit_status_add(
	[
	OriginVisitStatus(
	origin=origin_url,
	visit=origin_visit1.visit,
	date=now(),
	status="ongoing",
	snapshot=data.complete_snapshot["id"],
	)
	]
	)

	snp_id = data.complete_snapshot["id"]
	branches = data.complete_snapshot["branches"]

	snapshot = swh_storage.snapshot_get_branches(
	snp_id, target_types=["release", "revision"]
	)

	expected_snapshot = {
	"id": snp_id,
	"branches": {
	name: tgt
	for name, tgt in branches.items()
	if tgt and tgt["target_type"] in ["release", "revision"]
	},
	"next_branch": None,
	}

	assert snapshot == expected_snapshot

	snapshot = swh_storage.snapshot_get_branches(snp_id, target_types=["alias"])

	expected_snapshot = {
	"id": snp_id,
	"branches": {
	name: tgt
	for name, tgt in branches.items()
	if tgt and tgt["target_type"] == "alias"
	},
	"next_branch": None,
	}

	assert snapshot == expected_snapshot

	def test_snapshot_add_get_filtered_and_paginated(self, swh_storage):
	swh_storage.snapshot_add([data.complete_snapshot])

	snp_id = data.complete_snapshot["id"]
	branches = data.complete_snapshot["branches"]
	branch_names = list(sorted(branches))

	# Test branch_from

	snapshot = swh_storage.snapshot_get_branches(
	snp_id, target_types=["directory", "release"], branches_from=b"directory2"
	)

	expected_snapshot = {
	"id": snp_id,
	"branches": {name: branches[name] for name in (b"directory2", b"release")},
	"next_branch": None,
	}

	assert snapshot == expected_snapshot

	# Test branches_count

	snapshot = swh_storage.snapshot_get_branches(
	snp_id, target_types=["directory", "release"], branches_count=1
	)

	expected_snapshot = {
	"id": snp_id,
	"branches": {b"directory": branches[b"directory"]},
	"next_branch": b"directory2",
	}
	assert snapshot == expected_snapshot

	# Test branches_count

	snapshot = swh_storage.snapshot_get_branches(
	snp_id, target_types=["directory", "release"], branches_count=2
	)

	expected_snapshot = {
	"id": snp_id,
	"branches": {
	name: branches[name] for name in (b"directory", b"directory2")
	},
	"next_branch": b"release",
	}
	assert snapshot == expected_snapshot

	# test branch_from + branches_count

	snapshot = swh_storage.snapshot_get_branches(
	snp_id,
	target_types=["directory", "release"],
	branches_from=b"directory2",
	branches_count=1,
	)

	dir_idx = branch_names.index(b"directory2")
	expected_snapshot = {
	"id": snp_id,
	"branches": {branch_names[dir_idx]: branches[branch_names[dir_idx]],},
	"next_branch": b"release",
	}

	assert snapshot == expected_snapshot

	def test_snapshot_add_get(self, swh_storage):
	origin_url = swh_storage.origin_add_one(data.origin)
	visit = OriginVisit(
	origin=origin_url, date=data.date_visit1, type=data.type_visit1,
	)
	origin_visit1 = swh_storage.origin_visit_add([visit])[0]
	visit_id = origin_visit1.visit

	swh_storage.snapshot_add([data.snapshot])
	swh_storage.origin_visit_status_add(
	[
	OriginVisitStatus(
	origin=origin_url,
	visit=origin_visit1.visit,
	date=now(),
	status="ongoing",
	snapshot=data.snapshot["id"],
	)
	]
	)

	by_id = swh_storage.snapshot_get(data.snapshot["id"])
	assert by_id == {**data.snapshot, "next_branch": None}

	by_ov = swh_storage.snapshot_get_by_origin_visit(origin_url, visit_id)
	assert by_ov == {**data.snapshot, "next_branch": None}

	origin_visit_info = swh_storage.origin_visit_get_by(origin_url, visit_id)
	assert origin_visit_info["snapshot"] == data.snapshot["id"]

	def test_snapshot_add_twice__by_origin_visit(self, swh_storage):
	origin_url = swh_storage.origin_add_one(data.origin)
	ov1 = swh_storage.origin_visit_add(
	[
	OriginVisit(
	origin=origin_url, date=data.date_visit1, type=data.type_visit1,
	)
	]
	)[0]
	swh_storage.snapshot_add([data.snapshot])
	date_now2 = now()

	swh_storage.origin_visit_status_add(
	[
	OriginVisitStatus(
	origin=origin_url,
	visit=ov1.visit,
	date=date_now2,
	status="ongoing",
	snapshot=data.snapshot["id"],
	)
	]
	)

	by_ov1 = swh_storage.snapshot_get_by_origin_visit(origin_url, ov1.visit)
	assert by_ov1 == {**data.snapshot, "next_branch": None}

	ov2 = swh_storage.origin_visit_add(
	[
	OriginVisit(
	origin=origin_url, date=data.date_visit2, type=data.type_visit2,
	)
	]
	)[0]

	swh_storage.snapshot_add([data.snapshot])
	date_now4 = now()
	swh_storage.origin_visit_status_add(
	[
	OriginVisitStatus(
	origin=origin_url,
	visit=ov2.visit,
	date=date_now4,
	status="ongoing",
	snapshot=data.snapshot["id"],
	)
	]
	)

	by_ov2 = swh_storage.snapshot_get_by_origin_visit(origin_url, ov2.visit)
	assert by_ov2 == {**data.snapshot, "next_branch": None}

	ovs1 = OriginVisitStatus.from_dict(
	{
	"origin": origin_url,
	"date": data.date_visit1,
	"visit": ov1.visit,
	"status": "created",
	"metadata": None,
	"snapshot": None,
	}
	)
	ovs2 = OriginVisitStatus.from_dict(
	{
	"origin": origin_url,
	"date": date_now2,
	"visit": ov1.visit,
	"status": "ongoing",
	"metadata": None,
	"snapshot": data.snapshot["id"],
	}
	)
	ovs3 = OriginVisitStatus.from_dict(
	{
	"origin": origin_url,
	"date": data.date_visit2,
	"visit": ov2.visit,
	"status": "created",
	"metadata": None,
	"snapshot": None,
	}
	)
	ovs4 = OriginVisitStatus.from_dict(
	{
	"origin": origin_url,
	"date": date_now4,
	"visit": ov2.visit,
	"status": "ongoing",
	"metadata": None,
	"snapshot": data.snapshot["id"],
	}
	)
	actual_objects = list(swh_storage.journal_writer.journal.objects)
	expected_objects = [
	("origin", Origin.from_dict(data.origin)),
	("origin_visit", ov1),
	("origin_visit_status", ovs1),
	("snapshot", Snapshot.from_dict(data.snapshot)),
	("origin_visit_status", ovs2),
	("origin_visit", ov2),
	("origin_visit_status", ovs3),
	("origin_visit_status", ovs4),
	]
	+
	for obj in expected_objects:
	assert obj in actual_objects

	def test_snapshot_get_random(self, swh_storage):
	swh_storage.snapshot_add(
	[data.snapshot, data.empty_snapshot, data.complete_snapshot]
	)

	assert swh_storage.snapshot_get_random() in {
	data.snapshot["id"],
	data.empty_snapshot["id"],
	data.complete_snapshot["id"],
	}

	def test_snapshot_missing(self, swh_storage):
	snap = data.snapshot
	missing_snap = data.empty_snapshot
	snapshots = [snap["id"], missing_snap["id"]]
	swh_storage.snapshot_add([snap])

	missing_snapshots = swh_storage.snapshot_missing(snapshots)

	assert list(missing_snapshots) == [missing_snap["id"]]

	def test_stat_counters(self, swh_storage):
	expected_keys = ["content", "directory", "origin", "revision"]

	# Initially, all counters are 0

	swh_storage.refresh_stat_counters()
	counters = swh_storage.stat_counters()
	assert set(expected_keys) <= set(counters)
	for key in expected_keys:
	assert counters[key] == 0

	# Add a content. Only the content counter should increase.

	swh_storage.content_add([data.cont])

	swh_storage.refresh_stat_counters()
	counters = swh_storage.stat_counters()

	assert set(expected_keys) <= set(counters)
	for key in expected_keys:
	if key != "content":
	assert counters[key] == 0
	assert counters["content"] == 1

	# Add other objects. Check their counter increased as well.

	origin_url = swh_storage.origin_add_one(data.origin2)
	visit = OriginVisit(
	origin=origin_url,
	date=data.date_visit2,
	type=data.type_visit2,
	status="ongoing",
	snapshot=None,
	)
	origin_visit1 = swh_storage.origin_visit_add([visit])[0]

	swh_storage.snapshot_add([data.snapshot])
	swh_storage.origin_visit_status_add(
	[
	OriginVisitStatus(
	origin=origin_url,
	visit=origin_visit1.visit,
	date=now(),
	status="ongoing",
	snapshot=data.snapshot["id"],
	)
	]
	)
	swh_storage.directory_add([data.dir])
	swh_storage.revision_add([data.revision])
	swh_storage.release_add([data.release])

	swh_storage.refresh_stat_counters()
	counters = swh_storage.stat_counters()
	assert counters["content"] == 1
	assert counters["directory"] == 1
	assert counters["snapshot"] == 1
	assert counters["origin"] == 1
	assert counters["origin_visit"] == 1
	assert counters["revision"] == 1
	assert counters["release"] == 1
	assert counters["snapshot"] == 1
	if "person" in counters:
	assert counters["person"] == 3

	def test_content_find_ctime(self, swh_storage):
	cont = data.cont.copy()
	del cont["data"]
	ctime = now()
	cont["ctime"] = ctime
	swh_storage.content_add_metadata([cont])

	actually_present = swh_storage.content_find({"sha1": cont["sha1"]})

	# check ctime up to one second
	dt = actually_present[0]["ctime"] - ctime
	assert abs(dt.total_seconds()) <= 1
	del actually_present[0]["ctime"]

	assert actually_present[0] == {
	"sha1": cont["sha1"],
	"sha256": cont["sha256"],
	"sha1_git": cont["sha1_git"],
	"blake2s256": cont["blake2s256"],
	"length": cont["length"],
	"status": "visible",
	}

	def test_content_find_with_present_content(self, swh_storage):
	# 1. with something to find
	cont = data.cont
	swh_storage.content_add([cont, data.cont2])

	actually_present = swh_storage.content_find({"sha1": cont["sha1"]})
	assert 1 == len(actually_present)
	actually_present[0].pop("ctime")

	assert actually_present[0] == {
	"sha1": cont["sha1"],
	"sha256": cont["sha256"],
	"sha1_git": cont["sha1_git"],
	"blake2s256": cont["blake2s256"],
	"length": cont["length"],
	"status": "visible",
	}

	# 2. with something to find
	actually_present = swh_storage.content_find({"sha1_git": cont["sha1_git"]})
	assert 1 == len(actually_present)

	actually_present[0].pop("ctime")
	assert actually_present[0] == {
	"sha1": cont["sha1"],
	"sha256": cont["sha256"],
	"sha1_git": cont["sha1_git"],
	"blake2s256": cont["blake2s256"],
	"length": cont["length"],
	"status": "visible",
	}

	# 3. with something to find
	actually_present = swh_storage.content_find({"sha256": cont["sha256"]})
	assert 1 == len(actually_present)

	actually_present[0].pop("ctime")
	assert actually_present[0] == {
	"sha1": cont["sha1"],
	"sha256": cont["sha256"],
	"sha1_git": cont["sha1_git"],
	"blake2s256": cont["blake2s256"],
	"length": cont["length"],
	"status": "visible",
	}

	# 4. with something to find
	actually_present = swh_storage.content_find(
	{
	"sha1": cont["sha1"],
	"sha1_git": cont["sha1_git"],
	"sha256": cont["sha256"],
	"blake2s256": cont["blake2s256"],
	}
	)
	assert 1 == len(actually_present)

	actually_present[0].pop("ctime")
	assert actually_present[0] == {
	"sha1": cont["sha1"],
	"sha256": cont["sha256"],
	"sha1_git": cont["sha1_git"],
	"blake2s256": cont["blake2s256"],
	"length": cont["length"],
	"status": "visible",
	}

	def test_content_find_with_non_present_content(self, swh_storage):
	# 1. with something that does not exist
	missing_cont = data.missing_cont

	actually_present = swh_storage.content_find({"sha1": missing_cont["sha1"]})

	assert actually_present == []

	# 2. with something that does not exist
	actually_present = swh_storage.content_find(
	{"sha1_git": missing_cont["sha1_git"]}
	)

	assert actually_present == []

	# 3. with something that does not exist
	actually_present = swh_storage.content_find({"sha256": missing_cont["sha256"]})

	assert actually_present == []

	def test_content_find_with_duplicate_input(self, swh_storage):
	cont1 = data.cont
	duplicate_cont = cont1.copy()

	# Create fake data with colliding sha256 and blake2s256
	sha1_array = bytearray(duplicate_cont["sha1"])
	sha1_array[0] += 1
	duplicate_cont["sha1"] = bytes(sha1_array)
	sha1git_array = bytearray(duplicate_cont["sha1_git"])
	sha1git_array[0] += 1
	duplicate_cont["sha1_git"] = bytes(sha1git_array)
	# Inject the data
	swh_storage.content_add([cont1, duplicate_cont])
	finder = {
	"blake2s256": duplicate_cont["blake2s256"],
	"sha256": duplicate_cont["sha256"],
	}
	actual_result = list(swh_storage.content_find(finder))

	cont1.pop("data")
	duplicate_cont.pop("data")
	actual_result[0].pop("ctime")
	actual_result[1].pop("ctime")

	expected_result = [cont1, duplicate_cont]
	for result in expected_result:
	assert result in actual_result

	def test_content_find_with_duplicate_sha256(self, swh_storage):
	cont1 = data.cont
	duplicate_cont = cont1.copy()

	# Create fake data with colliding sha256
	for hashalgo in ("sha1", "sha1_git", "blake2s256"):
	value = bytearray(duplicate_cont[hashalgo])
	value[0] += 1
	duplicate_cont[hashalgo] = bytes(value)
	swh_storage.content_add([cont1, duplicate_cont])

	finder = {"sha256": duplicate_cont["sha256"]}
	actual_result = list(swh_storage.content_find(finder))
	assert len(actual_result) == 2

	cont1.pop("data")
	duplicate_cont.pop("data")
	actual_result[0].pop("ctime")
	actual_result[1].pop("ctime")
	expected_result = [cont1, duplicate_cont]
	assert expected_result == sorted(actual_result, key=lambda x: x["sha1"])

	# Find with both sha256 and blake2s256
	finder = {
	"sha256": duplicate_cont["sha256"],
	"blake2s256": duplicate_cont["blake2s256"],
	}
	actual_result = list(swh_storage.content_find(finder))
	assert len(actual_result) == 1
	actual_result[0].pop("ctime")

	expected_result = [duplicate_cont]
	assert actual_result[0] == duplicate_cont

	def test_content_find_with_duplicate_blake2s256(self, swh_storage):
	cont1 = data.cont
	duplicate_cont = cont1.copy()

	# Create fake data with colliding sha256 and blake2s256
	sha1_array = bytearray(duplicate_cont["sha1"])
	sha1_array[0] += 1
	duplicate_cont["sha1"] = bytes(sha1_array)
	sha1git_array = bytearray(duplicate_cont["sha1_git"])
	sha1git_array[0] += 1
	duplicate_cont["sha1_git"] = bytes(sha1git_array)
	sha256_array = bytearray(duplicate_cont["sha256"])
	sha256_array[0] += 1
	duplicate_cont["sha256"] = bytes(sha256_array)
	swh_storage.content_add([cont1, duplicate_cont])
	finder = {"blake2s256": duplicate_cont["blake2s256"]}
	actual_result = list(swh_storage.content_find(finder))

	cont1.pop("data")
	duplicate_cont.pop("data")
	actual_result[0].pop("ctime")
	actual_result[1].pop("ctime")
	expected_result = [cont1, duplicate_cont]
	for result in expected_result:
	assert result in actual_result

	# Find with both sha256 and blake2s256
	finder = {
	"sha256": duplicate_cont["sha256"],
	"blake2s256": duplicate_cont["blake2s256"],
	}
	actual_result = list(swh_storage.content_find(finder))

	actual_result[0].pop("ctime")

	expected_result = [duplicate_cont]
	assert expected_result == actual_result

	def test_content_find_bad_input(self, swh_storage):
	# 1. with bad input
	with pytest.raises(StorageArgumentException):
	swh_storage.content_find({}) # empty is bad

	# 2. with bad input
	with pytest.raises(StorageArgumentException):
	swh_storage.content_find({"unknown-sha1": "something"}) # not the right key

	def test_object_find_by_sha1_git(self, swh_storage):
	sha1_gits = [b"00000000000000000000"]
	expected = {
	b"00000000000000000000": [],
	}

	swh_storage.content_add([data.cont])
	sha1_gits.append(data.cont["sha1_git"])
	expected[data.cont["sha1_git"]] = [
	{"sha1_git": data.cont["sha1_git"], "type": "content",}
	]

	swh_storage.directory_add([data.dir])
	sha1_gits.append(data.dir["id"])
	expected[data.dir["id"]] = [{"sha1_git": data.dir["id"], "type": "directory",}]

	swh_storage.revision_add([data.revision])
	sha1_gits.append(data.revision["id"])
	expected[data.revision["id"]] = [
	{"sha1_git": data.revision["id"], "type": "revision",}
	]

	swh_storage.release_add([data.release])
	sha1_gits.append(data.release["id"])
	expected[data.release["id"]] = [
	{"sha1_git": data.release["id"], "type": "release",}
	]

	ret = swh_storage.object_find_by_sha1_git(sha1_gits)

	assert expected == ret

	def test_metadata_fetcher_add_get(self, swh_storage):
	actual_fetcher = swh_storage.metadata_fetcher_get(
	data.metadata_fetcher["name"], data.metadata_fetcher["version"]
	)
	assert actual_fetcher is None # does not exist

	swh_storage.metadata_fetcher_add(**data.metadata_fetcher)

	res = swh_storage.metadata_fetcher_get(
	data.metadata_fetcher["name"], data.metadata_fetcher["version"]
	)

	assert res is not data.metadata_fetcher
	assert res == data.metadata_fetcher

	def test_metadata_authority_add_get(self, swh_storage):
	actual_authority = swh_storage.metadata_authority_get(
	data.metadata_authority["type"], data.metadata_authority["url"]
	)
	assert actual_authority is None # does not exist

	swh_storage.metadata_authority_add(**data.metadata_authority)

	res = swh_storage.metadata_authority_get(
	data.metadata_authority["type"], data.metadata_authority["url"]
	)

	assert res is not data.metadata_authority
	assert res == data.metadata_authority

	def test_origin_metadata_add(self, swh_storage):
	origin = data.origin
	fetcher = data.metadata_fetcher
	authority = data.metadata_authority
	assert swh_storage.origin_add([origin]) == {"origin:add": 1}

	swh_storage.metadata_fetcher_add(**fetcher)
	swh_storage.metadata_authority_add(**authority)

	swh_storage.origin_metadata_add(**data.origin_metadata)
	swh_storage.origin_metadata_add(**data.origin_metadata2)

	result = swh_storage.origin_metadata_get(origin["url"], authority)
	assert result["next_page_token"] is None
	assert [data.origin_metadata, data.origin_metadata2] == list(
	sorted(result["results"], key=lambda x: x["discovery_date"],)
	)

	def test_origin_metadata_add_duplicate(self, swh_storage):
	"""Duplicates should be silently updated."""
	origin = data.origin
	fetcher = data.metadata_fetcher
	authority = data.metadata_authority
	assert swh_storage.origin_add([origin]) == {"origin:add": 1}

	new_origin_metadata2 = {
	**data.origin_metadata2,
	"format": "new-format",
	"metadata": b"new-metadata",
	}

	swh_storage.metadata_fetcher_add(**fetcher)
	swh_storage.metadata_authority_add(**authority)

	swh_storage.origin_metadata_add(**data.origin_metadata)
	swh_storage.origin_metadata_add(**data.origin_metadata2)
	swh_storage.origin_metadata_add(**new_origin_metadata2)

	result = swh_storage.origin_metadata_get(origin["url"], authority)
	assert result["next_page_token"] is None
	assert [data.origin_metadata, new_origin_metadata2] == list(
	sorted(result["results"], key=lambda x: x["discovery_date"],)
	)

	def test_origin_metadata_add_dict(self, swh_storage):
	origin = data.origin
	fetcher = data.metadata_fetcher
	authority = data.metadata_authority
	assert swh_storage.origin_add([origin]) == {"origin:add": 1}

	swh_storage.metadata_fetcher_add(**fetcher)
	swh_storage.metadata_authority_add(**authority)

	kwargs = data.origin_metadata.copy()
	kwargs["metadata"] = {"foo": "bar"}

	with pytest.raises(StorageArgumentException):
	swh_storage.origin_metadata_add(**kwargs)

	def test_origin_metadata_get(self, swh_storage):
	authority = data.metadata_authority
	fetcher = data.metadata_fetcher
	authority2 = data.metadata_authority2
	fetcher2 = data.metadata_fetcher2
	origin_url1 = data.origin["url"]
	origin_url2 = data.origin2["url"]
	assert swh_storage.origin_add([data.origin, data.origin2]) == {"origin:add": 2}

	origin1_metadata1 = data.origin_metadata
	origin1_metadata2 = data.origin_metadata2
	origin1_metadata3 = data.origin_metadata3
	origin2_metadata = {**data.origin_metadata2, "origin_url": origin_url2}

	swh_storage.metadata_authority_add(**authority)
	swh_storage.metadata_fetcher_add(**fetcher)
	swh_storage.metadata_authority_add(**authority2)
	swh_storage.metadata_fetcher_add(**fetcher2)

	swh_storage.origin_metadata_add(**origin1_metadata1)
	swh_storage.origin_metadata_add(**origin1_metadata2)
	swh_storage.origin_metadata_add(**origin1_metadata3)
	swh_storage.origin_metadata_add(**origin2_metadata)

	result = swh_storage.origin_metadata_get(origin_url1, authority)
	assert result["next_page_token"] is None
	assert [origin1_metadata1, origin1_metadata2] == list(
	sorted(result["results"], key=lambda x: x["discovery_date"],)
	)

	result = swh_storage.origin_metadata_get(origin_url1, authority2)
	assert result["next_page_token"] is None
	assert [origin1_metadata3] == list(
	sorted(result["results"], key=lambda x: x["discovery_date"],)
	)

	result = swh_storage.origin_metadata_get(origin_url2, authority)
	assert result["next_page_token"] is None
	assert [origin2_metadata] == list(result["results"],)

	def test_origin_metadata_get_after(self, swh_storage):
	origin = data.origin
	fetcher = data.metadata_fetcher
	authority = data.metadata_authority
	assert swh_storage.origin_add([origin]) == {"origin:add": 1}

	swh_storage.metadata_fetcher_add(**fetcher)
	swh_storage.metadata_authority_add(**authority)

	swh_storage.origin_metadata_add(**data.origin_metadata)
	swh_storage.origin_metadata_add(**data.origin_metadata2)

	result = swh_storage.origin_metadata_get(
	origin["url"],
	authority,
	after=data.origin_metadata["discovery_date"] - timedelta(seconds=1),
	)
	assert result["next_page_token"] is None
	assert [data.origin_metadata, data.origin_metadata2] == list(
	sorted(result["results"], key=lambda x: x["discovery_date"],)
	)

	result = swh_storage.origin_metadata_get(
	origin["url"], authority, after=data.origin_metadata["discovery_date"]
	)
	assert result["next_page_token"] is None
	assert [data.origin_metadata2] == result["results"]

	result = swh_storage.origin_metadata_get(
	origin["url"], authority, after=data.origin_metadata2["discovery_date"]
	)
	assert result["next_page_token"] is None
	assert [] == result["results"]

	def test_origin_metadata_get_paginate(self, swh_storage):
	origin = data.origin
	fetcher = data.metadata_fetcher
	authority = data.metadata_authority
	assert swh_storage.origin_add([origin]) == {"origin:add": 1}

	swh_storage.metadata_fetcher_add(**fetcher)
	swh_storage.metadata_authority_add(**authority)

	swh_storage.origin_metadata_add(**data.origin_metadata)
	swh_storage.origin_metadata_add(**data.origin_metadata2)

	swh_storage.origin_metadata_get(origin["url"], authority)

	result = swh_storage.origin_metadata_get(origin["url"], authority, limit=1)
	assert result["next_page_token"] is not None
	assert [data.origin_metadata] == result["results"]

	result = swh_storage.origin_metadata_get(
	origin["url"], authority, limit=1, page_token=result["next_page_token"]
	)
	assert result["next_page_token"] is None
	assert [data.origin_metadata2] == result["results"]

	def test_origin_metadata_get_paginate_same_date(self, swh_storage):
	origin = data.origin
	fetcher1 = data.metadata_fetcher
	fetcher2 = data.metadata_fetcher2
	authority = data.metadata_authority
	assert swh_storage.origin_add([origin]) == {"origin:add": 1}

	swh_storage.metadata_fetcher_add(**fetcher1)
	swh_storage.metadata_fetcher_add(**fetcher2)
	swh_storage.metadata_authority_add(**authority)

	origin_metadata2 = {
	**data.origin_metadata2,
	"discovery_date": data.origin_metadata2["discovery_date"],
	"fetcher": {"name": fetcher2["name"], "version": fetcher2["version"],},
	}

	swh_storage.origin_metadata_add(**data.origin_metadata)
	swh_storage.origin_metadata_add(**origin_metadata2)

	result = swh_storage.origin_metadata_get(origin["url"], authority, limit=1)
	assert result["next_page_token"] is not None
	assert [data.origin_metadata] == result["results"]

	result = swh_storage.origin_metadata_get(
	origin["url"], authority, limit=1, page_token=result["next_page_token"]
	)
	assert result["next_page_token"] is None
	assert [origin_metadata2] == result["results"]


	class TestStorageGeneratedData:
	def test_generate_content_get(self, swh_storage, swh_contents):
	contents_with_data = [c for c in swh_contents if c["status"] != "absent"]
	# input the list of sha1s we want from storage
	get_sha1s = [c["sha1"] for c in contents_with_data]

	# retrieve contents
	actual_contents = list(swh_storage.content_get(get_sha1s))
	assert None not in actual_contents
	assert_contents_ok(contents_with_data, actual_contents)

	def test_generate_content_get_metadata(self, swh_storage, swh_contents):
	# input the list of sha1s we want from storage
	expected_contents = [c for c in swh_contents if c["status"] != "absent"]
	get_sha1s = [c["sha1"] for c in expected_contents]

	# retrieve contents
	meta_contents = swh_storage.content_get_metadata(get_sha1s)

	assert len(list(meta_contents)) == len(get_sha1s)

	actual_contents = []
	for contents in meta_contents.values():
	actual_contents.extend(contents)

	keys_to_check = {"length", "status", "sha1", "sha1_git", "sha256", "blake2s256"}

	assert_contents_ok(
	expected_contents, actual_contents, keys_to_check=keys_to_check
	)

	def test_generate_content_get_range(self, swh_storage, swh_contents):
	"""content_get_range returns complete range"""
	present_contents = [c for c in swh_contents if c["status"] != "absent"]

	get_sha1s = sorted([c["sha1"] for c in swh_contents if c["status"] != "absent"])
	start = get_sha1s[2]
	end = get_sha1s[-2]
	actual_result = swh_storage.content_get_range(start, end)

	assert actual_result["next"] is None

	actual_contents = actual_result["contents"]
	expected_contents = [c for c in present_contents if start <= c["sha1"] <= end]
	if expected_contents:
	assert_contents_ok(expected_contents, actual_contents, ["sha1"])
	else:
	assert actual_contents == []

	def test_generate_content_get_range_full(self, swh_storage, swh_contents):
	"""content_get_range for a full range returns all available contents"""
	present_contents = [c for c in swh_contents if c["status"] != "absent"]

	start = b"0" * 40
	end = b"f" * 40
	actual_result = swh_storage.content_get_range(start, end)
	assert actual_result["next"] is None

	actual_contents = actual_result["contents"]
	expected_contents = [c for c in present_contents if start <= c["sha1"] <= end]
	if expected_contents:
	assert_contents_ok(expected_contents, actual_contents, ["sha1"])
	else:
	assert actual_contents == []

	def test_generate_content_get_range_empty(self, swh_storage, swh_contents):
	"""content_get_range for an empty range returns nothing"""
	start = b"0" * 40
	end = b"f" * 40
	actual_result = swh_storage.content_get_range(end, start)
	assert actual_result["next"] is None
	assert len(actual_result["contents"]) == 0

	def test_generate_content_get_range_limit_none(self, swh_storage):
	"""content_get_range call with wrong limit input should fail"""
	with pytest.raises(StorageArgumentException) as e:
	swh_storage.content_get_range(start=None, end=None, limit=None)

	assert e.value.args == ("limit should not be None",)

	def test_generate_content_get_range_no_limit(self, swh_storage, swh_contents):
	"""content_get_range returns contents within range provided"""
	# input the list of sha1s we want from storage
	get_sha1s = sorted([c["sha1"] for c in swh_contents if c["status"] != "absent"])
	start = get_sha1s[0]
	end = get_sha1s[-1]

	# retrieve contents
	actual_result = swh_storage.content_get_range(start, end)

	actual_contents = actual_result["contents"]
	assert actual_result["next"] is None
	assert len(actual_contents) == len(get_sha1s)

	expected_contents = [c for c in swh_contents if c["status"] != "absent"]
	assert_contents_ok(expected_contents, actual_contents, ["sha1"])

	def test_generate_content_get_range_limit(self, swh_storage, swh_contents):
	"""content_get_range paginates results if limit exceeded"""
	contents_map = {c["sha1"]: c for c in swh_contents}

	# input the list of sha1s we want from storage
	get_sha1s = sorted([c["sha1"] for c in swh_contents if c["status"] != "absent"])
	start = get_sha1s[0]
	end = get_sha1s[-1]

	# retrieve contents limited to n-1 results
	limited_results = len(get_sha1s) - 1
	actual_result = swh_storage.content_get_range(start, end, limit=limited_results)

	actual_contents = actual_result["contents"]
	assert actual_result["next"] == get_sha1s[-1]
	assert len(actual_contents) == limited_results

	expected_contents = [contents_map[sha1] for sha1 in get_sha1s[:-1]]
	assert_contents_ok(expected_contents, actual_contents, ["sha1"])

	# retrieve next part
	actual_results2 = swh_storage.content_get_range(start=end, end=end)
	assert actual_results2["next"] is None
	actual_contents2 = actual_results2["contents"]
	assert len(actual_contents2) == 1

	assert_contents_ok([contents_map[get_sha1s[-1]]], actual_contents2, ["sha1"])

	def test_origin_get_range_from_zero(self, swh_storage, swh_origins):
	actual_origins = list(
	swh_storage.origin_get_range(origin_from=0, origin_count=0)
	)
	assert len(actual_origins) == 0

	actual_origins = list(
	swh_storage.origin_get_range(origin_from=0, origin_count=1)
	)
	assert len(actual_origins) == 1
	assert actual_origins[0]["id"] == 1
	assert actual_origins[0]["url"] == swh_origins[0]["url"]

	@pytest.mark.parametrize(
	"origin_from,origin_count",
	[(1, 1), (1, 10), (1, 20), (1, 101), (11, 0), (11, 10), (91, 11)],
	)
	def test_origin_get_range(
	self, swh_storage, swh_origins, origin_from, origin_count
	):
	actual_origins = list(
	swh_storage.origin_get_range(
	origin_from=origin_from, origin_count=origin_count
	)
	)

	origins_with_id = list(enumerate(swh_origins, start=1))
	expected_origins = [
	{"url": origin["url"], "id": origin_id,}
	for (origin_id, origin) in origins_with_id[
	origin_from - 1 : origin_from + origin_count - 1
	]
	]

	assert actual_origins == expected_origins

	@pytest.mark.parametrize("limit", [1, 7, 10, 100, 1000])
	def test_origin_list(self, swh_storage, swh_origins, limit):
	returned_origins = []

	page_token = None
	i = 0
	while True:
	result = swh_storage.origin_list(page_token=page_token, limit=limit)
	assert len(result["origins"]) <= limit

	returned_origins.extend(origin["url"] for origin in result["origins"])

	i += 1
	page_token = result.get("next_page_token")

	if page_token is None:
	assert i * limit >= len(swh_origins)
	break
	else:
	assert len(result["origins"]) == limit

	expected_origins = [origin["url"] for origin in swh_origins]
	assert sorted(returned_origins) == sorted(expected_origins)

	ORIGINS = [
	"https://github.com/user1/repo1",
	"https://github.com/user2/repo1",
	"https://github.com/user3/repo1",
	"https://gitlab.com/user1/repo1",
	"https://gitlab.com/user2/repo1",
	"https://forge.softwareheritage.org/source/repo1",
	]

	def test_origin_count(self, swh_storage):
	swh_storage.origin_add([{"url": url} for url in self.ORIGINS])

	assert swh_storage.origin_count("github") == 3
	assert swh_storage.origin_count("gitlab") == 2
	assert swh_storage.origin_count(".user.", regexp=True) == 5
	assert swh_storage.origin_count(".user.", regexp=False) == 0
	assert swh_storage.origin_count(".user1.", regexp=True) == 2
	assert swh_storage.origin_count(".user1.", regexp=False) == 0

	def test_origin_count_with_visit_no_visits(self, swh_storage):
	swh_storage.origin_add([{"url": url} for url in self.ORIGINS])

	# none of them have visits, so with_visit=True => 0
	assert swh_storage.origin_count("github", with_visit=True) == 0
	assert swh_storage.origin_count("gitlab", with_visit=True) == 0
	assert swh_storage.origin_count(".user.", regexp=True, with_visit=True) == 0
	assert swh_storage.origin_count(".user.", regexp=False, with_visit=True) == 0
	assert swh_storage.origin_count(".user1.", regexp=True, with_visit=True) == 0
	assert swh_storage.origin_count(".user1.", regexp=False, with_visit=True) == 0

	def test_origin_count_with_visit_with_visits_no_snapshot(self, swh_storage):
	swh_storage.origin_add([{"url": url} for url in self.ORIGINS])

	origin_url = "https://github.com/user1/repo1"
	visit = OriginVisit(origin=origin_url, date=now(), type="git",)
	swh_storage.origin_visit_add([visit])

	assert swh_storage.origin_count("github", with_visit=False) == 3
	# it has a visit, but no snapshot, so with_visit=True => 0
	assert swh_storage.origin_count("github", with_visit=True) == 0

	assert swh_storage.origin_count("gitlab", with_visit=False) == 2
	# these gitlab origins have no visit
	assert swh_storage.origin_count("gitlab", with_visit=True) == 0

	assert (
	swh_storage.origin_count("github.*user1", regexp=True, with_visit=False)
	== 1
	)
	assert (
	swh_storage.origin_count("github.*user1", regexp=True, with_visit=True) == 0
	)
	assert swh_storage.origin_count("github", regexp=True, with_visit=True) == 0

	def test_origin_count_with_visit_with_visits_and_snapshot(self, swh_storage):
	swh_storage.origin_add([{"url": url} for url in self.ORIGINS])

	swh_storage.snapshot_add([data.snapshot])
	origin_url = "https://github.com/user1/repo1"
	visit = OriginVisit(origin=origin_url, date=now(), type="git",)
	visit = swh_storage.origin_visit_add([visit])[0]
	swh_storage.origin_visit_status_add(
	[
	OriginVisitStatus(
	origin=origin_url,
	visit=visit.visit,
	date=now(),
	status="ongoing",
	snapshot=data.snapshot["id"],
	)
	]
	)

	assert swh_storage.origin_count("github", with_visit=False) == 3
	# github/user1 has a visit and a snapshot, so with_visit=True => 1
	assert swh_storage.origin_count("github", with_visit=True) == 1

	assert (
	swh_storage.origin_count("github.*user1", regexp=True, with_visit=False)
	== 1
	)
	assert (
	swh_storage.origin_count("github.*user1", regexp=True, with_visit=True) == 1
	)
	assert swh_storage.origin_count("github", regexp=True, with_visit=True) == 1

	@settings(suppress_health_check=[HealthCheck.too_slow])
	@given(strategies.lists(objects(), max_size=2))
	def test_add_arbitrary(self, swh_storage, objects):
	for (obj_type, obj) in objects:
	obj = obj.to_dict()
	if obj_type == "origin_visit":
	origin_url = obj.pop("origin")
	swh_storage.origin_add_one({"url": origin_url})
	if "visit" in obj:
	del obj["visit"]
	visit = OriginVisit(
	origin=origin_url, date=obj["date"], type=obj["type"],
	)
	swh_storage.origin_visit_add([visit])
	else:
	if obj_type == "content" and obj["status"] == "absent":
	obj_type = "skipped_content"
	method = getattr(swh_storage, obj_type + "_add")
	try:
	method([obj])
	except HashCollision:
	pass


	@pytest.mark.db
	class TestLocalStorage:
	"""Test the local storage"""

	# This test is only relevant on the local storage, with an actual
	# objstorage raising an exception
	def test_content_add_objstorage_exception(self, swh_storage):
	swh_storage.objstorage.content_add = Mock(
	side_effect=Exception("mocked broken objstorage")
	)

	with pytest.raises(Exception) as e:
	swh_storage.content_add([data.cont])

	assert e.value.args == ("mocked broken objstorage",)
	missing = list(swh_storage.content_missing([data.cont]))
	assert missing == [data.cont["sha1"]]


	@pytest.mark.db
	class TestStorageRaceConditions:
	@pytest.mark.xfail
	def test_content_add_race(self, swh_storage):

	results = queue.Queue()

	def thread():
	try:
	with db_transaction(swh_storage) as (db, cur):
	ret = swh_storage.content_add([data.cont], db=db, cur=cur)
	results.put((threading.get_ident(), "data", ret))
	except Exception as e:
	results.put((threading.get_ident(), "exc", e))

	t1 = threading.Thread(target=thread)
	t2 = threading.Thread(target=thread)
	t1.start()
	# this avoids the race condition
	# import time
	# time.sleep(1)
	t2.start()
	t1.join()
	t2.join()

	r1 = results.get(block=False)
	r2 = results.get(block=False)

	with pytest.raises(queue.Empty):
	results.get(block=False)
	assert r1[0] != r2[0]
	assert r1[1] == "data", "Got exception %r in Thread%s" % (r1[2], r1[0])
	assert r2[1] == "data", "Got exception %r in Thread%s" % (r2[2], r2[0])


	@pytest.mark.db
	class TestPgStorage:
	"""This class is dedicated for the rare case where the schema needs to
	be altered dynamically.

	Otherwise, the tests could be blocking when ran altogether.

	"""

	def test_content_update_with_new_cols(self, swh_storage):
	swh_storage.journal_writer.journal = None # TODO, not supported

	with db_transaction(swh_storage) as (_, cur):
	cur.execute(
	"""alter table content
	add column test text default null,
	add column test2 text default null"""
	)

	cont = copy.deepcopy(data.cont2)
	swh_storage.content_add([cont])
	cont["test"] = "value-1"
	cont["test2"] = "value-2"

	swh_storage.content_update([cont], keys=["test", "test2"])
	with db_transaction(swh_storage) as (_, cur):
	cur.execute(
	"""SELECT sha1, sha1_git, sha256, length, status,
	test, test2
	FROM content WHERE sha1 = %s""",
	(cont["sha1"],),
	)

	datum = cur.fetchone()

	assert datum == (
	cont["sha1"],
	cont["sha1_git"],
	cont["sha256"],
	cont["length"],
	"visible",
	cont["test"],
	cont["test2"],
	)

	with db_transaction(swh_storage) as (_, cur):
	cur.execute(
	"""alter table content drop column test,
	drop column test2"""
	)

	def test_content_add_db(self, swh_storage):
	cont = data.cont

	actual_result = swh_storage.content_add([cont])

	assert actual_result == {
	"content:add": 1,
	"content:add:bytes": cont["length"],
	}

	if hasattr(swh_storage, "objstorage"):
	assert cont["sha1"] in swh_storage.objstorage.objstorage

	with db_transaction(swh_storage) as (_, cur):
	cur.execute(
	"SELECT sha1, sha1_git, sha256, length, status"
	" FROM content WHERE sha1 = %s",
	(cont["sha1"],),
	)
	datum = cur.fetchone()

	assert datum == (
	cont["sha1"],
	cont["sha1_git"],
	cont["sha256"],
	cont["length"],
	"visible",
	)

	expected_cont = cont.copy()
	del expected_cont["data"]
	contents = [
	obj
	for (obj_type, obj) in swh_storage.journal_writer.journal.objects
	if obj_type == "content"
	]
	assert len(contents) == 1
	for obj in contents:
	obj_d = obj.to_dict()
	del obj_d["ctime"]
	assert obj_d == expected_cont

	def test_content_add_metadata_db(self, swh_storage):
	cont = data.cont
	del cont["data"]
	cont["ctime"] = now()

	actual_result = swh_storage.content_add_metadata([cont])

	assert actual_result == {
	"content:add": 1,
	}

	if hasattr(swh_storage, "objstorage"):
	assert cont["sha1"] not in swh_storage.objstorage.objstorage
	with db_transaction(swh_storage) as (_, cur):
	cur.execute(
	"SELECT sha1, sha1_git, sha256, length, status"
	" FROM content WHERE sha1 = %s",
	(cont["sha1"],),
	)
	datum = cur.fetchone()
	assert datum == (
	cont["sha1"],
	cont["sha1_git"],
	cont["sha256"],
	cont["length"],
	"visible",
	)

	contents = [
	obj
	for (obj_type, obj) in swh_storage.journal_writer.journal.objects
	if obj_type == "content"
	]
	assert len(contents) == 1
	for obj in contents:
	obj_d = obj.to_dict()
	assert obj_d == cont

	def test_skipped_content_add_db(self, swh_storage):
	cont = data.skipped_cont
	cont2 = data.skipped_cont2
	cont2["blake2s256"] = None

	actual_result = swh_storage.skipped_content_add([cont, cont, cont2])

	assert 2 <= actual_result.pop("skipped_content:add") <= 3
	assert actual_result == {}

	with db_transaction(swh_storage) as (_, cur):
	cur.execute(
	"SELECT sha1, sha1_git, sha256, blake2s256, "
	"length, status, reason "
	"FROM skipped_content ORDER BY sha1_git"
	)

	dbdata = cur.fetchall()

	assert len(dbdata) == 2
	assert dbdata[0] == (
	cont["sha1"],
	cont["sha1_git"],
	cont["sha256"],
	cont["blake2s256"],
	cont["length"],
	"absent",
	"Content too long",
	)

	assert dbdata[1] == (
	cont2["sha1"],
	cont2["sha1_git"],
	cont2["sha256"],
	cont2["blake2s256"],
	cont2["length"],
	"absent",
	"Content too long",
	)

	def test_clear_buffers(self, swh_storage):
	"""Calling clear buffers on real storage does nothing

	"""
	assert swh_storage.clear_buffers() is None

	def test_flush(self, swh_storage):
	"""Calling clear buffers on real storage does nothing

	"""
	assert swh_storage.flush() == {}

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