diff --git a/swh/loader/package/nixguix/tests/test_nixguix.py b/swh/loader/package/nixguix/tests/test_nixguix.py index e44142d..7d59584 100644 --- a/swh/loader/package/nixguix/tests/test_nixguix.py +++ b/swh/loader/package/nixguix/tests/test_nixguix.py @@ -1,532 +1,532 @@ # Copyright (C) 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 os import json import logging import pytest from json.decoder import JSONDecodeError from swh.storage.interface import StorageInterface -from typing import Dict, Iterable, Optional, Tuple +from typing import Dict, Optional, Tuple from unittest.mock import patch from swh.model.model import Snapshot, SnapshotBranch, TargetType from swh.loader.package.archive.loader import ArchiveLoader from swh.loader.package.nixguix.loader import ( NixGuixLoader, retrieve_sources, clean_sources, ) from swh.loader.package.utils import download from swh.model.hashutil import hash_to_bytes, hash_to_hex from swh.storage.exc import HashCollision from swh.loader.tests import ( assert_last_visit_matches, get_stats, check_snapshot as check_snapshot_full, ) sources_url = "https://nix-community.github.io/nixpkgs-swh/sources.json" SNAPSHOT1 = Snapshot( id=hash_to_bytes("0c5881c74283793ebe9a09a105a9381e41380383"), branches={ b"evaluation": SnapshotBranch( target=hash_to_bytes("cc4e04c26672dd74e5fd0fecb78b435fb55368f7"), target_type=TargetType.REVISION, ), b"https://github.com/owner-1/repository-1/revision-1.tgz": SnapshotBranch( target=hash_to_bytes("488ad4e7b8e2511258725063cf43a2b897c503b4"), target_type=TargetType.REVISION, ), }, ) -def check_snapshot( - snapshot: Snapshot, - storage: StorageInterface, - allowed_empty: Iterable[Tuple[TargetType, bytes]] = [ - (TargetType.REVISION, b"evaluation") - ], -): - check_snapshot_full(snapshot, storage, allowed_empty) +def check_snapshot(snapshot: Snapshot, storage: StorageInterface): + # The `evaluation` branch is allowed to be unresolvable. It's possible at current + # nixguix visit time, it is not yet visited (the git loader is in charge of its + # visit for now). For more details, check the + # swh.loader.package.nixguix.NixGuixLoader.extra_branches docstring. + check_snapshot_full( + snapshot, storage, allowed_empty=[(TargetType.REVISION, b"evaluation")] + ) assert isinstance(snapshot, Snapshot) # then ensure the snapshot revisions are structurally as expected revision_ids = [] for name, branch in snapshot.branches.items(): if name == b"evaluation": - continue # skipping that particular branch + continue # skipping that particular branch (cf. previous comment) if branch.target_type == TargetType.REVISION: revision_ids.append(branch.target) revisions = storage.revision_get(revision_ids) for rev in revisions: metadata = rev["metadata"] raw = metadata["extrinsic"]["raw"] assert "url" in raw assert "integrity" in raw def test_retrieve_sources(swh_config, requests_mock_datadir): j = retrieve_sources(sources_url) assert "sources" in j.keys() assert len(j["sources"]) == 2 def test_retrieve_non_existing(swh_config, requests_mock_datadir): with pytest.raises(ValueError): NixGuixLoader("https://non-existing-url") def test_retrieve_non_json(swh_config, requests_mock_datadir): with pytest.raises(JSONDecodeError): NixGuixLoader("https://example.com/file.txt") def test_clean_sources_invalid_schema(swh_config, requests_mock_datadir): sources = {} with pytest.raises(ValueError, match="sources structure invalid, missing: .*"): clean_sources(sources) def test_clean_sources_invalid_version(swh_config, requests_mock_datadir): for version_ok in [1, "1"]: # Check those versions are fine clean_sources({"version": version_ok, "sources": [], "revision": "my-revision"}) for version_ko in [0, "0", 2, "2"]: # Check version != 1 raise an error with pytest.raises( ValueError, match="sources structure version .* is not supported" ): clean_sources( {"version": version_ko, "sources": [], "revision": "my-revision"} ) def test_clean_sources_invalid_sources(swh_config, requests_mock_datadir): sources = { "version": 1, "sources": [ # Valid source {"type": "url", "urls": ["my-url"], "integrity": "my-integrity"}, # integrity is missing {"type": "url", "urls": ["my-url"],}, # urls is not a list {"type": "url", "urls": "my-url", "integrity": "my-integrity"}, # type is not url {"type": "git", "urls": ["my-url"], "integrity": "my-integrity"}, # missing fields which got double-checked nonetheless... {"integrity": "my-integrity"}, ], "revision": "my-revision", } clean = clean_sources(sources) assert len(clean["sources"]) == 1 def test_loader_one_visit(swh_config, requests_mock_datadir): loader = NixGuixLoader(sources_url) res = loader.load() assert res["status"] == "eventful" stats = get_stats(loader.storage) assert { "content": 1, "directory": 3, "origin": 1, "origin_visit": 1, "person": 1, "release": 0, "revision": 1, "skipped_content": 0, "snapshot": 1, } == stats # The visit is partial because urls pointing to non tarball file # are not handled yet assert_last_visit_matches( loader.storage, sources_url, status="partial", type="nixguix" ) def test_uncompress_failure(swh_config, requests_mock_datadir): """Non tarball files are currently not supported and the uncompress function fails on such kind of files. However, even in this case of failure (because of the url https://example.com/file.txt), a snapshot and a visit has to be created (with a status partial since all files are not archived). """ loader = NixGuixLoader(sources_url) loader_status = loader.load() urls = [s["urls"][0] for s in loader.sources] assert "https://example.com/file.txt" in urls assert loader_status["status"] == "eventful" # The visit is partial because urls pointing to non tarball files # are not handled yet assert_last_visit_matches( loader.storage, sources_url, status="partial", type="nixguix" ) def test_loader_incremental(swh_config, requests_mock_datadir): """Ensure a second visit do not download artifact already downloaded by the previous visit. """ loader = NixGuixLoader(sources_url) load_status = loader.load() loader.load() assert load_status == {"status": "eventful", "snapshot_id": SNAPSHOT1.id.hex()} assert_last_visit_matches( loader.storage, sources_url, status="partial", type="nixguix", snapshot=SNAPSHOT1.id, ) check_snapshot(SNAPSHOT1, storage=loader.storage) urls = [ m.url for m in requests_mock_datadir.request_history if m.url == ("https://github.com/owner-1/repository-1/revision-1.tgz") ] # The artifact # 'https://github.com/owner-1/repository-1/revision-1.tgz' is only # visited one time assert len(urls) == 1 def test_loader_two_visits(swh_config, requests_mock_datadir_visits): """To ensure there is only one origin, but two visits, two revisions and two snapshots are created. The first visit creates a snapshot containing one tarball. The second visit creates a snapshot containing the same tarball and another tarball. """ loader = NixGuixLoader(sources_url) load_status = loader.load() assert load_status == {"status": "eventful", "snapshot_id": SNAPSHOT1.id.hex()} assert_last_visit_matches( loader.storage, sources_url, status="partial", type="nixguix", snapshot=SNAPSHOT1.id, ) check_snapshot(SNAPSHOT1, storage=loader.storage) stats = get_stats(loader.storage) assert { "content": 1, "directory": 3, "origin": 1, "origin_visit": 1, "person": 1, "release": 0, "revision": 1, "skipped_content": 0, "snapshot": 1, } == stats loader = NixGuixLoader(sources_url) load_status = loader.load() expected_snapshot_id_hex = "b0bfa75cbd0cc90aac3b9e95fb0f59c731176d97" expected_snapshot_id = hash_to_bytes(expected_snapshot_id_hex) assert load_status == { "status": "eventful", "snapshot_id": expected_snapshot_id_hex, } assert_last_visit_matches( loader.storage, sources_url, status="partial", type="nixguix", snapshot=expected_snapshot_id, ) # This ensures visits are incremental. Indeed, if we request a # second time an url, because of the requests_mock_datadir_visits # fixture, the file has to end with `_visit1`. expected_snapshot = Snapshot( id=expected_snapshot_id, branches={ b"evaluation": SnapshotBranch( target=hash_to_bytes("602140776b2ce6c9159bcf52ada73a297c063d5e"), target_type=TargetType.REVISION, ), b"https://github.com/owner-1/repository-1/revision-1.tgz": SnapshotBranch( target=hash_to_bytes("488ad4e7b8e2511258725063cf43a2b897c503b4"), target_type=TargetType.REVISION, ), b"https://github.com/owner-2/repository-1/revision-1.tgz": SnapshotBranch( target=hash_to_bytes("85e0bad74e33e390aaeb74f139853ae3863ee544"), target_type=TargetType.REVISION, ), }, ) check_snapshot(expected_snapshot, storage=loader.storage) stats = get_stats(loader.storage) assert { "content": 2, "directory": 5, "origin": 1, "origin_visit": 2, "person": 1, "release": 0, "revision": 2, "skipped_content": 0, "snapshot": 2, } == stats def test_resolve_revision_from(swh_config, requests_mock_datadir): loader = NixGuixLoader(sources_url) known_artifacts = { "id1": {"extrinsic": {"raw": {"url": "url1", "integrity": "integrity1"}}}, "id2": {"extrinsic": {"raw": {"url": "url2", "integrity": "integrity2"}}}, } metadata = {"url": "url1", "integrity": "integrity1"} assert loader.resolve_revision_from(known_artifacts, metadata) == "id1" metadata = {"url": "url3", "integrity": "integrity3"} assert loader.resolve_revision_from(known_artifacts, metadata) == None # noqa def test_evaluation_branch(swh_config, requests_mock_datadir): loader = NixGuixLoader(sources_url) res = loader.load() assert res["status"] == "eventful" assert_last_visit_matches( loader.storage, sources_url, status="partial", type="nixguix", snapshot=SNAPSHOT1.id, ) check_snapshot(SNAPSHOT1, storage=loader.storage) def test_eoferror(swh_config, requests_mock_datadir): """Load a truncated archive which is invalid to make the uncompress function raising the exception EOFError. We then check if a snapshot is created, meaning this error is well managed. """ sources = ( "https://nix-community.github.io/nixpkgs-swh/sources-EOFError.json" # noqa ) loader = NixGuixLoader(sources) loader.load() expected_snapshot = Snapshot( id=hash_to_bytes("4257fa2350168c6bfec726a06452ea27a2c0cb33"), branches={ b"evaluation": SnapshotBranch( target=hash_to_bytes("cc4e04c26672dd74e5fd0fecb78b435fb55368f7"), target_type=TargetType.REVISION, ), }, ) check_snapshot(expected_snapshot, storage=loader.storage) def fake_download( url: str, dest: str, hashes: Dict = {}, filename: Optional[str] = None, auth: Optional[Tuple[str, str]] = None, ) -> Tuple[str, Dict]: """Fake download which raises HashCollision (for the sake of test simpliciy, let's accept that makes sense) For tests purpose only. """ if url == "https://example.com/file.txt": # instead of failing because it's a file not dealt with by the nix guix # loader, make it raise a hash collision raise HashCollision("sha1", "f92d74e3874587aaf443d1db961d4e26dde13e9c", []) return download(url, dest, hashes, filename, auth) def test_raise_exception(swh_config, requests_mock_datadir, mocker): mock_download = mocker.patch("swh.loader.package.loader.download") mock_download.side_effect = fake_download loader = NixGuixLoader(sources_url) res = loader.load() assert res == { "status": "eventful", "snapshot_id": SNAPSHOT1.id.hex(), } check_snapshot(SNAPSHOT1, storage=loader.storage) assert len(mock_download.mock_calls) == 2 # The visit is partial because some artifact downloads failed assert_last_visit_matches( loader.storage, sources_url, status="partial", type="nixguix" ) def test_load_nixguix_one_common_artifact_from_other_loader( swh_config, datadir, requests_mock_datadir_visits, caplog ): """Misformatted revision should be caught and logged, then loading continues """ caplog.set_level(logging.ERROR, "swh.loader.package.nixguix.loader") # 1. first ingest with for example the archive loader gnu_url = "https://ftp.gnu.org/gnu/8sync/" release = "0.1.0" artifact_url = f"https://ftp.gnu.org/gnu/8sync/8sync-{release}.tar.gz" gnu_artifacts = [ { "time": 944729610, "url": artifact_url, "length": 221837, "filename": f"8sync-{release}.tar.gz", "version": release, } ] archive_loader = ArchiveLoader(url=gnu_url, artifacts=gnu_artifacts) actual_load_status = archive_loader.load() expected_snapshot_id = "c419397fd912039825ebdbea378bc6283f006bf5" assert actual_load_status["status"] == "eventful" assert actual_load_status["snapshot_id"] == expected_snapshot_id # noqa assert_last_visit_matches( archive_loader.storage, gnu_url, status="full", type="tar" ) gnu_snapshot = archive_loader.storage.snapshot_get( hash_to_bytes(expected_snapshot_id) ) first_revision = gnu_snapshot["branches"][f"releases/{release}".encode("utf-8")] # 2. Then ingest with the nixguix loader which lists the same artifact within its # sources.json # ensure test setup is ok data_sources = os.path.join( datadir, "https_nix-community.github.io", "nixpkgs-swh_sources_special.json" ) all_sources = json.loads(open(data_sources).read()) found = False for source in all_sources["sources"]: if source["urls"][0] == artifact_url: found = True assert ( found is True ), f"test setup error: {artifact_url} must be in {data_sources}" # first visit with a snapshot, ok sources_url = "https://nix-community.github.io/nixpkgs-swh/sources_special.json" loader = NixGuixLoader(sources_url) actual_load_status2 = loader.load() assert actual_load_status2["status"] == "eventful" assert_last_visit_matches( loader.storage, sources_url, status="full", type="nixguix" ) snapshot_id = actual_load_status2["snapshot_id"] snapshot = loader.storage.snapshot_get(hash_to_bytes(snapshot_id)) snapshot.pop("next_branch") # snapshot_get endpoint detail to drop # simulate a snapshot already seen with a revision with the wrong metadata structure # This revision should be skipped, thus making the artifact being ingested again. with patch( "swh.loader.package.loader.PackageLoader.last_snapshot" ) as last_snapshot: # mutate the snapshot to target a revision with the wrong metadata structure # snapshot["branches"][artifact_url.encode("utf-8")] = first_revision old_revision = next(loader.storage.revision_get([first_revision["target"]])) # assert that revision is not in the right format assert old_revision["metadata"]["extrinsic"]["raw"].get("integrity", {}) == {} # mutate snapshot to create a clash snapshot["branches"][artifact_url.encode("utf-8")] = { "target_type": "revision", "target": hash_to_bytes(old_revision["id"]), } # modify snapshot to actually change revision metadata structure so we simulate # a revision written by somebody else (structure different) last_snapshot.return_value = Snapshot.from_dict(snapshot) loader = NixGuixLoader(sources_url) actual_load_status3 = loader.load() assert last_snapshot.called assert actual_load_status3["status"] == "eventful" assert_last_visit_matches( loader.storage, sources_url, status="full", type="nixguix" ) new_snapshot_id = "32ff641e510aceefc3a6d0dcbf208b2854d2e965" assert actual_load_status3["snapshot_id"] == new_snapshot_id last_snapshot = loader.storage.snapshot_get(hash_to_bytes(new_snapshot_id)) new_revision_branch = last_snapshot["branches"][artifact_url.encode("utf-8")] assert new_revision_branch["target_type"] == "revision" new_revision = next( loader.storage.revision_get([new_revision_branch["target"]]) ) # the new revision has the correct structure, so it got ingested alright by the # new run assert new_revision["metadata"]["extrinsic"]["raw"]["integrity"] is not None nb_detections = 0 actual_detection: Dict for record in caplog.records: logtext = record.getMessage() if "Unexpected metadata revision structure detected:" in logtext: nb_detections += 1 actual_detection = record.args["context"] assert actual_detection # as many calls as there are sources listed in the sources.json assert nb_detections == len(all_sources["sources"]) assert actual_detection == { "revision": hash_to_hex(old_revision["id"]), "reason": "'integrity'", "known_artifact": old_revision["metadata"], }