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GH-89812: Clean up pathlib tests. (#104829)
Clean up pathlib tests. Merge `PurePathTest` into `_BasePurePathTest`, and `PathTest` into `_BasePathTest`.
This commit is contained in:
Barney Gale
GitHub
parent
b95de96268
commit
dab5a3ebe8
1 changed files with 96 additions and 84 deletions
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@ -5,6 +5,7 @@
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import errno
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import pathlib
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import pickle
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import posixpath
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import socket
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import stat
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import tempfile
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@ -23,20 +24,23 @@
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grp = pwd = None
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# Make sure any symbolic links in the base test path are resolved.
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BASE = os.path.realpath(TESTFN)
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join = lambda *x: os.path.join(BASE, *x)
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rel_join = lambda *x: os.path.join(TESTFN, *x)
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only_nt = unittest.skipIf(os.name != 'nt',
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'test requires a Windows-compatible system')
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only_posix = unittest.skipIf(os.name == 'nt',
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'test requires a POSIX-compatible system')
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#
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# Tests for the pure classes.
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#
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class _BasePurePathSubclass(object):
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def __init__(self, *pathsegments, session_id):
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super().__init__(*pathsegments)
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self.session_id = session_id
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def with_segments(self, *pathsegments):
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return type(self)(*pathsegments, session_id=self.session_id)
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class _BasePurePathTest(object):
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class PurePathTest(unittest.TestCase):
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cls = pathlib.PurePath
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# Keys are canonical paths, values are list of tuples of arguments
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# supposed to produce equal paths.
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@ -75,6 +79,37 @@ def test_constructor_common(self):
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self.assertEqual(P(P('a'), P('b'), P('c')), P(FakePath("a/b/c")))
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self.assertEqual(P(P('./a:b')), P('./a:b'))
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def test_concrete_class(self):
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if self.cls is pathlib.PurePath:
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expected = pathlib.PureWindowsPath if os.name == 'nt' else pathlib.PurePosixPath
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else:
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expected = self.cls
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p = self.cls('a')
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self.assertIs(type(p), expected)
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def test_different_flavours_unequal(self):
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p = self.cls('a')
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if p._flavour is posixpath:
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q = pathlib.PureWindowsPath('a')
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else:
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q = pathlib.PurePosixPath('a')
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self.assertNotEqual(p, q)
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def test_different_flavours_unordered(self):
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p = self.cls('a')
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if p._flavour is posixpath:
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q = pathlib.PureWindowsPath('a')
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else:
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q = pathlib.PurePosixPath('a')
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with self.assertRaises(TypeError):
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p < q
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with self.assertRaises(TypeError):
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p <= q
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with self.assertRaises(TypeError):
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p > q
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with self.assertRaises(TypeError):
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p >= q
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def test_bytes(self):
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P = self.cls
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message = (r"argument should be a str or an os\.PathLike object "
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@ -122,8 +157,13 @@ def test_str_subclass_common(self):
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self._check_str_subclass('/a/b.txt')
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def test_with_segments_common(self):
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class P(_BasePurePathSubclass, self.cls):
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pass
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class P(self.cls):
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def __init__(self, *pathsegments, session_id):
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super().__init__(*pathsegments)
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self.session_id = session_id
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def with_segments(self, *pathsegments):
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return type(self)(*pathsegments, session_id=self.session_id)
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p = P('foo', 'bar', session_id=42)
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self.assertEqual(42, (p / 'foo').session_id)
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self.assertEqual(42, ('foo' / p).session_id)
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@ -723,7 +763,7 @@ def test_pickling_common(self):
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self.assertEqual(str(pp), str(p))
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class PurePosixPathTest(_BasePurePathTest, unittest.TestCase):
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class PurePosixPathTest(PurePathTest):
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cls = pathlib.PurePosixPath
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def test_drive_root_parts(self):
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@ -817,10 +857,10 @@ def test_parse_windows_path(self):
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self.assertEqual(p, pp)
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class PureWindowsPathTest(_BasePurePathTest, unittest.TestCase):
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class PureWindowsPathTest(PurePathTest):
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cls = pathlib.PureWindowsPath
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equivalences = _BasePurePathTest.equivalences.copy()
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equivalences = PurePathTest.equivalences.copy()
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equivalences.update({
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'./a:b': [ ('./a:b',) ],
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'c:a': [ ('c:', 'a'), ('c:', 'a/'), ('.', 'c:', 'a') ],
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@ -1491,45 +1531,14 @@ def test_is_reserved(self):
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self.assertIs(True, P('c:/baz/con/NUL').is_reserved())
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self.assertIs(False, P('c:/NUL/con/baz').is_reserved())
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class PurePathTest(_BasePurePathTest, unittest.TestCase):
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cls = pathlib.PurePath
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def test_concrete_class(self):
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p = self.cls('a')
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self.assertIs(type(p),
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pathlib.PureWindowsPath if os.name == 'nt' else pathlib.PurePosixPath)
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class PurePathSubclassTest(PurePathTest):
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class cls(pathlib.PurePath):
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pass
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def test_different_flavours_unequal(self):
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p = pathlib.PurePosixPath('a')
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q = pathlib.PureWindowsPath('a')
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self.assertNotEqual(p, q)
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# repr() roundtripping is not supported in custom subclass.
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test_repr_roundtrips = None
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def test_different_flavours_unordered(self):
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p = pathlib.PurePosixPath('a')
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q = pathlib.PureWindowsPath('a')
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with self.assertRaises(TypeError):
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p < q
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with self.assertRaises(TypeError):
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p <= q
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with self.assertRaises(TypeError):
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p > q
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with self.assertRaises(TypeError):
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p >= q
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#
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# Tests for the concrete classes.
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#
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# Make sure any symbolic links in the base test path are resolved.
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BASE = os.path.realpath(TESTFN)
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join = lambda *x: os.path.join(BASE, *x)
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rel_join = lambda *x: os.path.join(TESTFN, *x)
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only_nt = unittest.skipIf(os.name != 'nt',
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'test requires a Windows-compatible system')
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only_posix = unittest.skipIf(os.name == 'nt',
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'test requires a POSIX-compatible system')
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@only_posix
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class PosixPathAsPureTest(PurePosixPathTest):
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@ -1550,9 +1559,15 @@ def test_group(self):
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P('c:/').group()
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class _BasePathTest(object):
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#
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# Tests for the concrete classes.
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#
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class PathTest(unittest.TestCase):
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"""Tests for the FS-accessing functionalities of the Path classes."""
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cls = pathlib.Path
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# (BASE)
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# |
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# |-- brokenLink -> non-existing
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@ -1627,6 +1642,20 @@ def assertFileNotFound(self, func, *args, **kwargs):
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def assertEqualNormCase(self, path_a, path_b):
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self.assertEqual(os.path.normcase(path_a), os.path.normcase(path_b))
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def test_concrete_class(self):
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if self.cls is pathlib.Path:
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expected = pathlib.WindowsPath if os.name == 'nt' else pathlib.PosixPath
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else:
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expected = self.cls
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p = self.cls('a')
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self.assertIs(type(p), expected)
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def test_unsupported_flavour(self):
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if self.cls._flavour is os.path:
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self.skipTest("path flavour is supported")
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else:
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self.assertRaises(NotImplementedError, self.cls)
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def _test_cwd(self, p):
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q = self.cls(os.getcwd())
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self.assertEqual(p, q)
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@ -1683,8 +1712,13 @@ def test_home(self):
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self._test_home(self.cls.home())
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def test_with_segments(self):
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class P(_BasePurePathSubclass, self.cls):
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pass
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class P(self.cls):
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def __init__(self, *pathsegments, session_id):
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super().__init__(*pathsegments)
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self.session_id = session_id
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def with_segments(self, *pathsegments):
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return type(self)(*pathsegments, session_id=self.session_id)
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p = P(BASE, session_id=42)
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self.assertEqual(42, p.absolute().session_id)
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self.assertEqual(42, p.resolve().session_id)
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@ -1872,6 +1906,11 @@ def _check(glob, expected):
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else:
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_check(p.glob("*/"), ["dirA", "dirB", "dirC", "dirE", "linkB"])
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def test_glob_empty_pattern(self):
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p = self.cls()
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with self.assertRaisesRegex(ValueError, 'Unacceptable pattern'):
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list(p.glob(''))
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def test_glob_case_sensitive(self):
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P = self.cls
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def _check(path, pattern, case_sensitive, expected):
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@ -3022,28 +3061,8 @@ def test_walk_above_recursion_limit(self):
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list(base.walk(top_down=False))
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class PathTest(_BasePathTest, unittest.TestCase):
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cls = pathlib.Path
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def test_concrete_class(self):
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p = self.cls('a')
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self.assertIs(type(p),
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pathlib.WindowsPath if os.name == 'nt' else pathlib.PosixPath)
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def test_unsupported_flavour(self):
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if os.name == 'nt':
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self.assertRaises(NotImplementedError, pathlib.PosixPath)
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else:
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self.assertRaises(NotImplementedError, pathlib.WindowsPath)
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def test_glob_empty_pattern(self):
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p = self.cls()
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with self.assertRaisesRegex(ValueError, 'Unacceptable pattern'):
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list(p.glob(''))
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@only_posix
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class PosixPathTest(_BasePathTest, unittest.TestCase):
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class PosixPathTest(PathTest):
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cls = pathlib.PosixPath
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def test_absolute(self):
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@ -3227,7 +3246,7 @@ def test_handling_bad_descriptor(self):
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@only_nt
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class WindowsPathTest(_BasePathTest, unittest.TestCase):
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class WindowsPathTest(PathTest):
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cls = pathlib.WindowsPath
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def test_absolute(self):
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@ -3345,15 +3364,8 @@ def check():
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check()
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class PurePathSubclassTest(_BasePurePathTest, unittest.TestCase):
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class cls(pathlib.PurePath):
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pass
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# repr() roundtripping is not supported in custom subclass.
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test_repr_roundtrips = None
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class PathSubclassTest(_BasePathTest, unittest.TestCase):
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class PathSubclassTest(PathTest):
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class cls(pathlib.Path):
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pass
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