mirror of https://github.com/python/cpython.git
175 lines
7.4 KiB
Python
175 lines
7.4 KiB
Python
"""
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Tests for copying from pathlib.types._ReadablePath to _WritablePath.
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"""
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import contextlib
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import unittest
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from .support import is_pypi
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from .support.local_path import LocalPathGround
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from .support.zip_path import ZipPathGround, ReadableZipPath, WritableZipPath
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class CopyTestBase:
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def setUp(self):
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self.source_root = self.source_ground.setup()
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self.source_ground.create_hierarchy(self.source_root)
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self.target_root = self.target_ground.setup(local_suffix="_target")
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def tearDown(self):
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self.source_ground.teardown(self.source_root)
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self.target_ground.teardown(self.target_root)
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def test_copy_file(self):
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source = self.source_root / 'fileA'
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target = self.target_root / 'copyA'
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result = source.copy(target)
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self.assertEqual(result, target)
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self.assertTrue(self.target_ground.isfile(target))
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self.assertEqual(self.source_ground.readbytes(source),
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self.target_ground.readbytes(result))
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def test_copy_file_empty(self):
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source = self.source_root / 'empty'
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target = self.target_root / 'copyA'
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self.source_ground.create_file(source, b'')
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result = source.copy(target)
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self.assertEqual(result, target)
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self.assertTrue(self.target_ground.isfile(target))
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self.assertEqual(self.target_ground.readbytes(result), b'')
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def test_copy_file_to_existing_file(self):
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source = self.source_root / 'fileA'
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target = self.target_root / 'copyA'
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self.target_ground.create_file(target, b'this is a copy\n')
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with contextlib.ExitStack() as stack:
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if isinstance(target, WritableZipPath):
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stack.enter_context(self.assertWarns(UserWarning))
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result = source.copy(target)
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self.assertEqual(result, target)
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self.assertTrue(self.target_ground.isfile(target))
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self.assertEqual(self.source_ground.readbytes(source),
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self.target_ground.readbytes(result))
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def test_copy_file_to_directory(self):
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if isinstance(self.target_root, WritableZipPath):
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self.skipTest('needs local target')
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source = self.source_root / 'fileA'
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target = self.target_root / 'copyA'
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self.target_ground.create_dir(target)
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self.assertRaises(OSError, source.copy, target)
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def test_copy_file_to_itself(self):
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source = self.source_root / 'fileA'
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self.assertRaises(OSError, source.copy, source)
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self.assertRaises(OSError, source.copy, source, follow_symlinks=False)
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def test_copy_dir(self):
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source = self.source_root / 'dirC'
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target = self.target_root / 'copyC'
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result = source.copy(target)
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self.assertEqual(result, target)
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self.assertTrue(self.target_ground.isdir(target))
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self.assertTrue(self.target_ground.isfile(target / 'fileC'))
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self.assertEqual(self.target_ground.readtext(target / 'fileC'), 'this is file C\n')
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self.assertTrue(self.target_ground.isdir(target / 'dirD'))
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self.assertTrue(self.target_ground.isfile(target / 'dirD' / 'fileD'))
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self.assertEqual(self.target_ground.readtext(target / 'dirD' / 'fileD'), 'this is file D\n')
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def test_copy_dir_follow_symlinks_true(self):
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if not self.source_ground.can_symlink:
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self.skipTest('needs symlink support on source')
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source = self.source_root / 'dirC'
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target = self.target_root / 'copyC'
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self.source_ground.create_symlink(source / 'linkC', 'fileC')
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self.source_ground.create_symlink(source / 'linkD', 'dirD')
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result = source.copy(target)
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self.assertEqual(result, target)
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self.assertTrue(self.target_ground.isdir(target))
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self.assertFalse(self.target_ground.islink(target / 'linkC'))
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self.assertTrue(self.target_ground.isfile(target / 'linkC'))
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self.assertEqual(self.target_ground.readtext(target / 'linkC'), 'this is file C\n')
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self.assertFalse(self.target_ground.islink(target / 'linkD'))
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self.assertTrue(self.target_ground.isdir(target / 'linkD'))
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self.assertTrue(self.target_ground.isfile(target / 'linkD' / 'fileD'))
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self.assertEqual(self.target_ground.readtext(target / 'linkD' / 'fileD'), 'this is file D\n')
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def test_copy_dir_follow_symlinks_false(self):
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if not self.source_ground.can_symlink:
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self.skipTest('needs symlink support on source')
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if not self.target_ground.can_symlink:
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self.skipTest('needs symlink support on target')
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source = self.source_root / 'dirC'
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target = self.target_root / 'copyC'
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self.source_ground.create_symlink(source / 'linkC', 'fileC')
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self.source_ground.create_symlink(source / 'linkD', 'dirD')
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result = source.copy(target, follow_symlinks=False)
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self.assertEqual(result, target)
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self.assertTrue(self.target_ground.isdir(target))
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self.assertTrue(self.target_ground.islink(target / 'linkC'))
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self.assertEqual(self.target_ground.readlink(target / 'linkC'), 'fileC')
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self.assertTrue(self.target_ground.islink(target / 'linkD'))
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self.assertEqual(self.target_ground.readlink(target / 'linkD'), 'dirD')
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def test_copy_dir_to_existing_directory(self):
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if isinstance(self.target_root, WritableZipPath):
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self.skipTest('needs local target')
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source = self.source_root / 'dirC'
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target = self.target_root / 'copyC'
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self.target_ground.create_dir(target)
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self.assertRaises(FileExistsError, source.copy, target)
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def test_copy_dir_to_itself(self):
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source = self.source_root / 'dirC'
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self.assertRaises(OSError, source.copy, source)
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self.assertRaises(OSError, source.copy, source, follow_symlinks=False)
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def test_copy_dir_into_itself(self):
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source = self.source_root / 'dirC'
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target = self.source_root / 'dirC' / 'dirD' / 'copyC'
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self.assertRaises(OSError, source.copy, target)
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self.assertRaises(OSError, source.copy, target, follow_symlinks=False)
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def test_copy_into(self):
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source = self.source_root / 'fileA'
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target_dir = self.target_root / 'dirA'
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self.target_ground.create_dir(target_dir)
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result = source.copy_into(target_dir)
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self.assertEqual(result, target_dir / 'fileA')
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self.assertTrue(self.target_ground.isfile(result))
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self.assertEqual(self.source_ground.readbytes(source),
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self.target_ground.readbytes(result))
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def test_copy_into_empty_name(self):
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source = self.source_root.with_segments()
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target_dir = self.target_root / 'dirA'
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self.target_ground.create_dir(target_dir)
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self.assertRaises(ValueError, source.copy_into, target_dir)
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class ZipToZipPathCopyTest(CopyTestBase, unittest.TestCase):
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source_ground = ZipPathGround(ReadableZipPath)
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target_ground = ZipPathGround(WritableZipPath)
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if not is_pypi:
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from pathlib import Path
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class ZipToLocalPathCopyTest(CopyTestBase, unittest.TestCase):
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source_ground = ZipPathGround(ReadableZipPath)
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target_ground = LocalPathGround(Path)
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class LocalToZipPathCopyTest(CopyTestBase, unittest.TestCase):
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source_ground = LocalPathGround(Path)
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target_ground = ZipPathGround(WritableZipPath)
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class LocalToLocalPathCopyTest(CopyTestBase, unittest.TestCase):
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source_ground = LocalPathGround(Path)
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target_ground = LocalPathGround(Path)
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if __name__ == "__main__":
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unittest.main()
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