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106 lines
3.6 KiB
Python
106 lines
3.6 KiB
Python
#!/usr/bin/env python
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import unittest
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from hashlib import md5
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from pathlib import Path
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import digest_helper as dh
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from env_helper import ROOT_DIR
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_12 = b"12\n"
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_13 = b"13\n"
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_14 = b"14\n"
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# pylint:disable=protected-access
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class TestDigests(unittest.TestCase):
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tests_dir = Path(ROOT_DIR) / "tests/ci/tests/digests"
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broken_link = tests_dir / "broken-symlink"
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empty_digest = "d41d8cd98f00b204e9800998ecf8427e"
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def test__digest_file(self):
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hash_tested = md5()
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with self.assertRaises(
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AssertionError, msg="_digest_file shouldn't work with dirs"
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):
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dh._digest_file(self.tests_dir, hash_tested)
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with self.assertRaises(
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AssertionError, msg="_digest_file shouldn't work with broken links"
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):
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dh._digest_file(self.broken_link, hash_tested)
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# file with content '12\n'
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hash_expected = md5()
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hash_expected.update(_12)
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dh._digest_file(self.tests_dir / "12", hash_tested)
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self.assertEqual(hash_expected.digest(), hash_tested.digest())
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# symlink to '12\n'
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hash_tested = md5()
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dh._digest_file(self.tests_dir / "symlink-12", hash_tested)
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self.assertEqual(hash_expected.digest(), hash_tested.digest())
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def test_digest_path(self):
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# test broken link does nothing
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self.assertEqual(
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self.empty_digest, dh.digest_path(self.broken_link).hexdigest()
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)
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# Test file works fine
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hash_expected = md5()
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hash_expected.update(_12)
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self.assertEqual(
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hash_expected.digest(), dh.digest_path(self.tests_dir / "12").digest()
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)
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# Test directory works fine
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hash_expected = md5()
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hash_expected.update(_12 + _14)
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self.assertEqual(
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hash_expected.digest(), dh.digest_path(self.tests_dir / "dir1").digest()
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)
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# Test existed hash is updated from symlink dir3
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hash_tested = hash_expected.copy()
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dh.digest_path(self.tests_dir / "dir3", hash_tested)
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hash_expected = md5()
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hash_expected.update(_12 + _14 + _12 + _13)
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self.assertEqual(hash_expected.digest(), hash_tested.digest())
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# Test the full content of the following structure
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# tests/digests
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# ├── 12
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# ├── dir1
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# │ ├── 12
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# │ └── subdir1_1
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# │ └── 14
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# ├── dir2
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# │ ├── 12
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# │ └── 13
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# ├── dir3 -> dir2
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# └── symlink-12 -> 12
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hash_expected = md5()
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hash_expected.update(_12 * 2 + _14 + (_12 + _13) * 2 + _12)
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self.assertEqual(
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hash_expected.hexdigest(), dh.digest_path(self.tests_dir).hexdigest()
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)
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def test_digest_paths(self):
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# test paths order matters
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hash_ordered = dh.digest_paths(
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(self.tests_dir / d for d in ("dir1", "dir2", "dir3"))
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)
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hash_reversed = dh.digest_paths(
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(self.tests_dir / d for d in ("dir3", "dir2", "dir1"))
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)
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hash_unordered = dh.digest_paths(
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(self.tests_dir / d for d in ("dir3", "dir1", "dir2"))
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)
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self.assertEqual(hash_ordered.digest(), hash_unordered.digest())
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self.assertEqual(hash_ordered.digest(), hash_reversed.digest())
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self.assertEqual(hash_unordered.digest(), hash_reversed.digest())
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@classmethod
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def setUpClass(cls):
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# create a broken symlink
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(TestDigests.broken_link).symlink_to("non-existent-link")
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@classmethod
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def tearDownClass(cls):
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(TestDigests.broken_link).unlink()
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