test_utils.py
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	# Copyright (C) 2017-2022 The Software Heritage developers
	# See the AUTHORS file at the top-level directory of this distribution
	# License: GNU Affero General Public License version 3, or any later version
	# See top-level LICENSE file for more information

	import re

	import pytest

	from swh.model.model import Content
	from swh.web.browse.utils import (
	gen_link,
	gen_person_mail_link,
	gen_revision_link,
	get_mimetype_and_encoding_for_content,
	get_readme_to_display,
	prepare_content_for_display,
	re_encode_content,
	)
	from swh.web.common.utils import reverse
	from swh.web.tests.data import get_tests_data


	def test_get_mimetype_and_encoding_for_content():
	text = b"Hello world!"
	assert get_mimetype_and_encoding_for_content(text) == ("text/plain", "us-ascii",)


	def test_gen_link():
	assert (
	gen_link("https://www.softwareheritage.org/", "swh")
	== '<a href="https://www.softwareheritage.org/">swh</a>'
	)


	def test_gen_revision_link():
	revision_id = "28a0bc4120d38a394499382ba21d6965a67a3703"
	revision_url = reverse("browse-revision", url_args={"sha1_git": revision_id})

	assert gen_revision_link(
	revision_id, link_text=None, link_attrs=None
	) == '<a href="%s">%s</a>' % (revision_url, revision_id)
	assert gen_revision_link(
	revision_id, shorten_id=True, link_attrs=None
	) == '<a href="%s">%s</a>' % (revision_url, revision_id[:7])


	def test_gen_person_mail_link():
	person_full = {
	"name": "John Doe",
	"email": "john.doe@swh.org",
	"fullname": "John Doe <john.doe@swh.org>",
	}

	assert gen_person_mail_link(person_full) == '<a href="mailto:%s">%s</a>' % (
	person_full["email"],
	person_full["name"],
	)

	link_text = "Mail"
	assert gen_person_mail_link(
	person_full, link_text=link_text
	) == '<a href="mailto:%s">%s</a>' % (person_full["email"], link_text)

	person_partial_email = {"name": None, "email": None, "fullname": "john.doe@swh.org"}

	assert gen_person_mail_link(
	person_partial_email
	) == '<a href="mailto:%s">%s</a>' % (
	person_partial_email["fullname"],
	person_partial_email["fullname"],
	)

	person_partial = {
	"name": None,
	"email": None,
	"fullname": "John Doe <john.doe@swh.org>",
	}

	assert gen_person_mail_link(person_partial) == person_partial["fullname"]

	person_none = {"name": None, "email": None, "fullname": None}

	assert gen_person_mail_link(person_none) == "None"


	@pytest.mark.parametrize(
	"path, expected_language",
	[("CMakeLists.txt", "cmake"), ("path/CMakeLists.txt", "cmake")],
	)
	def test_prepare_content_display_language_for_filename(path, expected_language):
	content_display = prepare_content_for_display(
	content_data=b"", mime_type="", path=path
	)
	assert content_display["language"] == expected_language


	def test_re_encode_content_for_shift_jis_encoding():
	data = b"/* \x8a\xd6\x98A\x82\xcc\x95\xb6\x8e\x9a\x83R\x81[\x83h\x95\xcf\x8a\xb7 */"
	mime_type, encoding = get_mimetype_and_encoding_for_content(data)

	_, encoding, re_encoded_data = re_encode_content(mime_type, encoding, data)

	assert encoding == "SHIFT_JIS"
	assert data.decode(encoding) == re_encoded_data.decode("utf-8")
	assert re_encoded_data.decode("utf-8") == "/* 関連の文字コード変換 */"


	@pytest.mark.parametrize(
	"input_,expected_output",
	[
	(b"foo bar", "<p>foo bar</p>"),
	(b"foo bar baz", "<p>foo <em>bar</em> baz</p>"),
	(
	b".. raw:: html\n\n <script>foo</script>",
	"<script>foo</script>",
	),
	],
	)
	def test_rst_readme(input_, expected_output):
	content = Content.from_data(input_)
	storage = get_tests_data()["storage"]
	storage.content_add([content])
	assert re.search(
	expected_output, get_readme_to_display({"readme.rst": content.sha1.hex()})[2]
	)


	def test_rst_readme_no_leak():
	input_ = b".. include:: /etc/passwd"
	content = Content.from_data(input_)
	storage = get_tests_data()["storage"]
	storage.content_add([content])
	assert "root:" not in get_readme_to_display({"readme.rst": content.sha1.hex()})[2]


	def test_rst_readme_no_xss():
	input_ = b".. raw:: html\n\n <script>foo</script>"
	content = Content.from_data(input_)
	storage = get_tests_data()["storage"]
	storage.content_add([content])
	assert (
	"<script>" not in get_readme_to_display({"readme.rst": content.sha1.hex()})[2]
	)

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