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3569e4a670
Test Windows-flavoured `pathlib.types._JoinablePath` in a dedicated test module. These tests cover `LexicalWindowsPath`, `PureWindowsPath` and `WindowsPath`, where `LexicalWindowsPath` is a simple implementation of `_JoinablePath` for use in tests.
834 lines
31 KiB
Python
834 lines
31 KiB
Python
import collections
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import io
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import os
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import errno
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import unittest
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from pathlib._os import magic_open
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from pathlib.types import _PathParser, PathInfo, _JoinablePath, _ReadablePath, _WritablePath
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import posixpath
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from test.support.os_helper import TESTFN
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_tests_needing_posix = set()
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_tests_needing_windows = set()
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def needs_posix(fn):
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"""Decorator that marks a test as requiring a POSIX-flavoured path class."""
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_tests_needing_posix.add(fn.__name__)
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return fn
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def needs_windows(fn):
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"""Decorator that marks a test as requiring a Windows-flavoured path class."""
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_tests_needing_windows.add(fn.__name__)
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return fn
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#
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# Tests for the pure classes.
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#
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class DummyJoinablePath(_JoinablePath):
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__slots__ = ('_segments',)
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parser = posixpath
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def __init__(self, *segments):
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self._segments = segments
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def __str__(self):
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if self._segments:
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return self.parser.join(*self._segments)
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return ''
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def __eq__(self, other):
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if not isinstance(other, DummyJoinablePath):
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return NotImplemented
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return str(self) == str(other)
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def __hash__(self):
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return hash(str(self))
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def __repr__(self):
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return "{}({!r})".format(self.__class__.__name__, str(self))
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def with_segments(self, *pathsegments):
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return type(self)(*pathsegments)
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class JoinablePathTest(unittest.TestCase):
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cls = DummyJoinablePath
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# Use a base path that's unrelated to any real filesystem path.
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base = f'/this/path/kills/fascists/{TESTFN}'
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def setUp(self):
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name = self.id().split('.')[-1]
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if name in _tests_needing_posix and self.cls.parser is not posixpath:
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self.skipTest('requires POSIX-flavoured path class')
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if name in _tests_needing_windows and self.cls.parser is posixpath:
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self.skipTest('requires Windows-flavoured path class')
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p = self.cls('a')
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self.parser = p.parser
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self.sep = self.parser.sep
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self.altsep = self.parser.altsep
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def _check_str_subclass(self, *args):
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# Issue #21127: it should be possible to construct a PurePath object
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# from a str subclass instance, and it then gets converted to
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# a pure str object.
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class StrSubclass(str):
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pass
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P = self.cls
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p = P(*(StrSubclass(x) for x in args))
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self.assertEqual(p, P(*args))
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for part in p.parts:
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self.assertIs(type(part), str)
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def test_str_subclass_common(self):
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self._check_str_subclass('')
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self._check_str_subclass('.')
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self._check_str_subclass('a')
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self._check_str_subclass('a/b.txt')
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self._check_str_subclass('/a/b.txt')
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@needs_windows
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def test_str_subclass_windows(self):
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self._check_str_subclass('.\\a:b')
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self._check_str_subclass('c:')
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self._check_str_subclass('c:a')
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self._check_str_subclass('c:a\\b.txt')
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self._check_str_subclass('c:\\')
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self._check_str_subclass('c:\\a')
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self._check_str_subclass('c:\\a\\b.txt')
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self._check_str_subclass('\\\\some\\share')
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self._check_str_subclass('\\\\some\\share\\a')
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self._check_str_subclass('\\\\some\\share\\a\\b.txt')
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def _check_str(self, expected, args):
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p = self.cls(*args)
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self.assertEqual(str(p), expected.replace('/', self.sep))
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def test_str_common(self):
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# Canonicalized paths roundtrip.
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for pathstr in ('a', 'a/b', 'a/b/c', '/', '/a/b', '/a/b/c'):
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self._check_str(pathstr, (pathstr,))
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# Other tests for str() are in test_equivalences().
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@needs_windows
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def test_str_windows(self):
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p = self.cls('a/b/c')
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self.assertEqual(str(p), 'a\\b\\c')
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p = self.cls('c:/a/b/c')
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self.assertEqual(str(p), 'c:\\a\\b\\c')
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p = self.cls('//a/b')
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self.assertEqual(str(p), '\\\\a\\b\\')
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p = self.cls('//a/b/c')
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self.assertEqual(str(p), '\\\\a\\b\\c')
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p = self.cls('//a/b/c/d')
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self.assertEqual(str(p), '\\\\a\\b\\c\\d')
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#
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# Tests for the virtual classes.
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#
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class DummyWritablePathIO(io.BytesIO):
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"""
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Used by DummyWritablePath to implement `__open_wb__()`
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"""
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def __init__(self, files, path):
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super().__init__()
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self.files = files
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self.path = path
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def close(self):
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self.files[self.path] = self.getvalue()
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super().close()
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class DummyReadablePathInfo:
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__slots__ = ('_is_dir', '_is_file')
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def __init__(self, is_dir, is_file):
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self._is_dir = is_dir
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self._is_file = is_file
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def exists(self, *, follow_symlinks=True):
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return self._is_dir or self._is_file
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def is_dir(self, *, follow_symlinks=True):
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return self._is_dir
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def is_file(self, *, follow_symlinks=True):
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return self._is_file
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def is_symlink(self):
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return False
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class DummyReadablePath(_ReadablePath, DummyJoinablePath):
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"""
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Simple implementation of DummyReadablePath that keeps files and
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directories in memory.
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"""
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__slots__ = ('_info')
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_files = {}
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_directories = {}
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parser = posixpath
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def __init__(self, *segments):
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super().__init__(*segments)
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self._info = None
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@property
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def info(self):
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if self._info is None:
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path_str = str(self)
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self._info = DummyReadablePathInfo(
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is_dir=path_str.rstrip('/') in self._directories,
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is_file=path_str in self._files)
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return self._info
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def __open_rb__(self, buffering=-1):
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path = str(self)
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if path in self._directories:
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raise IsADirectoryError(errno.EISDIR, "Is a directory", path)
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elif path not in self._files:
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raise FileNotFoundError(errno.ENOENT, "File not found", path)
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return io.BytesIO(self._files[path])
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def iterdir(self):
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path = str(self).rstrip('/')
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if path in self._files:
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raise NotADirectoryError(errno.ENOTDIR, "Not a directory", path)
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elif path in self._directories:
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return iter([self / name for name in self._directories[path]])
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else:
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raise FileNotFoundError(errno.ENOENT, "File not found", path)
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def readlink(self):
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raise NotImplementedError
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class DummyWritablePath(_WritablePath, DummyJoinablePath):
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__slots__ = ()
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def __open_wb__(self, buffering=-1):
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path = str(self)
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if path in self._directories:
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raise IsADirectoryError(errno.EISDIR, "Is a directory", path)
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parent, name = posixpath.split(path)
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if parent not in self._directories:
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raise FileNotFoundError(errno.ENOENT, "File not found", parent)
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self._files[path] = b''
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self._directories[parent].add(name)
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return DummyWritablePathIO(self._files, path)
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def mkdir(self):
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path = str(self)
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parent = str(self.parent)
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if path in self._directories:
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raise FileExistsError(errno.EEXIST, "File exists", path)
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try:
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if self.name:
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self._directories[parent].add(self.name)
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self._directories[path] = set()
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except KeyError:
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raise FileNotFoundError(errno.ENOENT, "File not found", parent) from None
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def symlink_to(self, target, target_is_directory=False):
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raise NotImplementedError
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class ReadablePathTest(JoinablePathTest):
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"""Tests for ReadablePathTest methods that use stat(), open() and iterdir()."""
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cls = DummyReadablePath
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can_symlink = False
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# (self.base)
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# |
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# |-- brokenLink -> non-existing
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# |-- dirA
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# | `-- linkC -> ../dirB
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# |-- dirB
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# | |-- fileB
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# | `-- linkD -> ../dirB
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# |-- dirC
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# | |-- dirD
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# | | `-- fileD
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# | `-- fileC
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# | `-- novel.txt
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# |-- dirE # No permissions
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# |-- fileA
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# |-- linkA -> fileA
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# |-- linkB -> dirB
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# `-- brokenLinkLoop -> brokenLinkLoop
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#
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def setUp(self):
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super().setUp()
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self.createTestHierarchy()
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def createTestHierarchy(self):
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cls = self.cls
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cls._files = {
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f'{self.base}/fileA': b'this is file A\n',
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f'{self.base}/dirB/fileB': b'this is file B\n',
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f'{self.base}/dirC/fileC': b'this is file C\n',
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f'{self.base}/dirC/dirD/fileD': b'this is file D\n',
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f'{self.base}/dirC/novel.txt': b'this is a novel\n',
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}
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cls._directories = {
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f'{self.base}': {'fileA', 'dirA', 'dirB', 'dirC', 'dirE'},
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f'{self.base}/dirA': set(),
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f'{self.base}/dirB': {'fileB'},
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f'{self.base}/dirC': {'fileC', 'dirD', 'novel.txt'},
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f'{self.base}/dirC/dirD': {'fileD'},
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f'{self.base}/dirE': set(),
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}
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def tearDown(self):
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cls = self.cls
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cls._files.clear()
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cls._directories.clear()
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def tempdir(self):
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path = self.cls(self.base).with_name('tmp-dirD')
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path.mkdir()
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return path
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def assertFileNotFound(self, func, *args, **kwargs):
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with self.assertRaises(FileNotFoundError) as cm:
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func(*args, **kwargs)
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self.assertEqual(cm.exception.errno, errno.ENOENT)
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def assertEqualNormCase(self, path_a, path_b):
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normcase = self.parser.normcase
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self.assertEqual(normcase(path_a), normcase(path_b))
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def test_is_readable(self):
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p = self.cls(self.base)
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self.assertIsInstance(p, _ReadablePath)
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def test_magic_open(self):
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p = self.cls(self.base)
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with magic_open(p / 'fileA', 'r') as f:
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self.assertIsInstance(f, io.TextIOBase)
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self.assertEqual(f.read(), "this is file A\n")
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with magic_open(p / 'fileA', 'rb') as f:
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self.assertIsInstance(f, io.BufferedIOBase)
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self.assertEqual(f.read().strip(), b"this is file A")
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def test_iterdir(self):
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P = self.cls
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p = P(self.base)
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it = p.iterdir()
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paths = set(it)
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expected = ['dirA', 'dirB', 'dirC', 'dirE', 'fileA']
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if self.can_symlink:
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expected += ['linkA', 'linkB', 'brokenLink', 'brokenLinkLoop']
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self.assertEqual(paths, { P(self.base, q) for q in expected })
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def test_iterdir_nodir(self):
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# __iter__ on something that is not a directory.
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p = self.cls(self.base, 'fileA')
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with self.assertRaises(OSError) as cm:
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p.iterdir()
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# ENOENT or EINVAL under Windows, ENOTDIR otherwise
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# (see issue #12802).
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self.assertIn(cm.exception.errno, (errno.ENOTDIR,
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errno.ENOENT, errno.EINVAL))
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def test_iterdir_info(self):
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p = self.cls(self.base)
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for child in p.iterdir():
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self.assertIsInstance(child.info, PathInfo)
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self.assertTrue(child.info.exists(follow_symlinks=False))
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def test_glob_common(self):
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def _check(glob, expected):
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self.assertEqual(set(glob), { P(self.base, q) for q in expected })
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P = self.cls
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p = P(self.base)
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it = p.glob("fileA")
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self.assertIsInstance(it, collections.abc.Iterator)
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_check(it, ["fileA"])
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_check(p.glob("fileB"), [])
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_check(p.glob("dir*/file*"), ["dirB/fileB", "dirC/fileC"])
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if not self.can_symlink:
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_check(p.glob("*A"), ['dirA', 'fileA'])
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else:
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_check(p.glob("*A"), ['dirA', 'fileA', 'linkA'])
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if not self.can_symlink:
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_check(p.glob("*B/*"), ['dirB/fileB'])
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else:
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_check(p.glob("*B/*"), ['dirB/fileB', 'dirB/linkD',
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'linkB/fileB', 'linkB/linkD'])
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if not self.can_symlink:
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_check(p.glob("*/fileB"), ['dirB/fileB'])
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else:
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_check(p.glob("*/fileB"), ['dirB/fileB', 'linkB/fileB'])
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if self.can_symlink:
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_check(p.glob("brokenLink"), ['brokenLink'])
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if not self.can_symlink:
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_check(p.glob("*/"), ["dirA/", "dirB/", "dirC/", "dirE/"])
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else:
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_check(p.glob("*/"), ["dirA/", "dirB/", "dirC/", "dirE/", "linkB/"])
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@needs_posix
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def test_glob_posix(self):
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P = self.cls
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p = P(self.base)
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q = p / "FILEa"
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given = set(p.glob("FILEa"))
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expect = {q} if q.info.exists() else set()
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self.assertEqual(given, expect)
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self.assertEqual(set(p.glob("FILEa*")), set())
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@needs_windows
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def test_glob_windows(self):
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P = self.cls
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p = P(self.base)
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self.assertEqual(set(p.glob("FILEa")), { P(self.base, "fileA") })
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self.assertEqual(set(p.glob("*a\\")), { P(self.base, "dirA/") })
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self.assertEqual(set(p.glob("F*a")), { P(self.base, "fileA") })
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def test_glob_empty_pattern(self):
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P = self.cls
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p = P(self.base)
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self.assertEqual(list(p.glob("")), [p.joinpath("")])
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def test_info_exists(self):
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p = self.cls(self.base)
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self.assertTrue(p.info.exists())
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self.assertTrue((p / 'dirA').info.exists())
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self.assertTrue((p / 'dirA').info.exists(follow_symlinks=False))
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self.assertTrue((p / 'fileA').info.exists())
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self.assertTrue((p / 'fileA').info.exists(follow_symlinks=False))
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self.assertFalse((p / 'non-existing').info.exists())
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self.assertFalse((p / 'non-existing').info.exists(follow_symlinks=False))
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if self.can_symlink:
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self.assertTrue((p / 'linkA').info.exists())
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self.assertTrue((p / 'linkA').info.exists(follow_symlinks=False))
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self.assertTrue((p / 'linkB').info.exists())
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self.assertTrue((p / 'linkB').info.exists(follow_symlinks=True))
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self.assertFalse((p / 'brokenLink').info.exists())
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self.assertTrue((p / 'brokenLink').info.exists(follow_symlinks=False))
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self.assertFalse((p / 'brokenLinkLoop').info.exists())
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self.assertTrue((p / 'brokenLinkLoop').info.exists(follow_symlinks=False))
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self.assertFalse((p / 'fileA\udfff').info.exists())
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self.assertFalse((p / 'fileA\udfff').info.exists(follow_symlinks=False))
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self.assertFalse((p / 'fileA\x00').info.exists())
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self.assertFalse((p / 'fileA\x00').info.exists(follow_symlinks=False))
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def test_info_exists_caching(self):
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p = self.cls(self.base)
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q = p / 'myfile'
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self.assertFalse(q.info.exists())
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self.assertFalse(q.info.exists(follow_symlinks=False))
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if isinstance(self.cls, _WritablePath):
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q.write_text('hullo')
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self.assertFalse(q.info.exists())
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self.assertFalse(q.info.exists(follow_symlinks=False))
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def test_info_is_dir(self):
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p = self.cls(self.base)
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self.assertTrue((p / 'dirA').info.is_dir())
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self.assertTrue((p / 'dirA').info.is_dir(follow_symlinks=False))
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self.assertFalse((p / 'fileA').info.is_dir())
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self.assertFalse((p / 'fileA').info.is_dir(follow_symlinks=False))
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self.assertFalse((p / 'non-existing').info.is_dir())
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self.assertFalse((p / 'non-existing').info.is_dir(follow_symlinks=False))
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if self.can_symlink:
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self.assertFalse((p / 'linkA').info.is_dir())
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self.assertFalse((p / 'linkA').info.is_dir(follow_symlinks=False))
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self.assertTrue((p / 'linkB').info.is_dir())
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self.assertFalse((p / 'linkB').info.is_dir(follow_symlinks=False))
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self.assertFalse((p / 'brokenLink').info.is_dir())
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self.assertFalse((p / 'brokenLink').info.is_dir(follow_symlinks=False))
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self.assertFalse((p / 'brokenLinkLoop').info.is_dir())
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self.assertFalse((p / 'brokenLinkLoop').info.is_dir(follow_symlinks=False))
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self.assertFalse((p / 'dirA\udfff').info.is_dir())
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self.assertFalse((p / 'dirA\udfff').info.is_dir(follow_symlinks=False))
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self.assertFalse((p / 'dirA\x00').info.is_dir())
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self.assertFalse((p / 'dirA\x00').info.is_dir(follow_symlinks=False))
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|
|
def test_info_is_dir_caching(self):
|
|
p = self.cls(self.base)
|
|
q = p / 'mydir'
|
|
self.assertFalse(q.info.is_dir())
|
|
self.assertFalse(q.info.is_dir(follow_symlinks=False))
|
|
if isinstance(self.cls, _WritablePath):
|
|
q.mkdir()
|
|
self.assertFalse(q.info.is_dir())
|
|
self.assertFalse(q.info.is_dir(follow_symlinks=False))
|
|
|
|
def test_info_is_file(self):
|
|
p = self.cls(self.base)
|
|
self.assertTrue((p / 'fileA').info.is_file())
|
|
self.assertTrue((p / 'fileA').info.is_file(follow_symlinks=False))
|
|
self.assertFalse((p / 'dirA').info.is_file())
|
|
self.assertFalse((p / 'dirA').info.is_file(follow_symlinks=False))
|
|
self.assertFalse((p / 'non-existing').info.is_file())
|
|
self.assertFalse((p / 'non-existing').info.is_file(follow_symlinks=False))
|
|
if self.can_symlink:
|
|
self.assertTrue((p / 'linkA').info.is_file())
|
|
self.assertFalse((p / 'linkA').info.is_file(follow_symlinks=False))
|
|
self.assertFalse((p / 'linkB').info.is_file())
|
|
self.assertFalse((p / 'linkB').info.is_file(follow_symlinks=False))
|
|
self.assertFalse((p / 'brokenLink').info.is_file())
|
|
self.assertFalse((p / 'brokenLink').info.is_file(follow_symlinks=False))
|
|
self.assertFalse((p / 'brokenLinkLoop').info.is_file())
|
|
self.assertFalse((p / 'brokenLinkLoop').info.is_file(follow_symlinks=False))
|
|
self.assertFalse((p / 'fileA\udfff').info.is_file())
|
|
self.assertFalse((p / 'fileA\udfff').info.is_file(follow_symlinks=False))
|
|
self.assertFalse((p / 'fileA\x00').info.is_file())
|
|
self.assertFalse((p / 'fileA\x00').info.is_file(follow_symlinks=False))
|
|
|
|
def test_info_is_file_caching(self):
|
|
p = self.cls(self.base)
|
|
q = p / 'myfile'
|
|
self.assertFalse(q.info.is_file())
|
|
self.assertFalse(q.info.is_file(follow_symlinks=False))
|
|
if isinstance(self.cls, _WritablePath):
|
|
q.write_text('hullo')
|
|
self.assertFalse(q.info.is_file())
|
|
self.assertFalse(q.info.is_file(follow_symlinks=False))
|
|
|
|
def test_info_is_symlink(self):
|
|
p = self.cls(self.base)
|
|
self.assertFalse((p / 'fileA').info.is_symlink())
|
|
self.assertFalse((p / 'dirA').info.is_symlink())
|
|
self.assertFalse((p / 'non-existing').info.is_symlink())
|
|
if self.can_symlink:
|
|
self.assertTrue((p / 'linkA').info.is_symlink())
|
|
self.assertTrue((p / 'linkB').info.is_symlink())
|
|
self.assertTrue((p / 'brokenLink').info.is_symlink())
|
|
self.assertFalse((p / 'linkA\udfff').info.is_symlink())
|
|
self.assertFalse((p / 'linkA\x00').info.is_symlink())
|
|
self.assertTrue((p / 'brokenLinkLoop').info.is_symlink())
|
|
self.assertFalse((p / 'fileA\udfff').info.is_symlink())
|
|
self.assertFalse((p / 'fileA\x00').info.is_symlink())
|
|
|
|
|
|
class WritablePathTest(JoinablePathTest):
|
|
cls = DummyWritablePath
|
|
|
|
def test_is_writable(self):
|
|
p = self.cls(self.base)
|
|
self.assertIsInstance(p, _WritablePath)
|
|
|
|
|
|
class DummyRWPath(DummyWritablePath, DummyReadablePath):
|
|
__slots__ = ()
|
|
|
|
|
|
class RWPathTest(WritablePathTest, ReadablePathTest):
|
|
cls = DummyRWPath
|
|
can_symlink = False
|
|
|
|
def test_read_write_bytes(self):
|
|
p = self.cls(self.base)
|
|
(p / 'fileA').write_bytes(b'abcdefg')
|
|
self.assertEqual((p / 'fileA').read_bytes(), b'abcdefg')
|
|
# Check that trying to write str does not truncate the file.
|
|
self.assertRaises(TypeError, (p / 'fileA').write_bytes, 'somestr')
|
|
self.assertEqual((p / 'fileA').read_bytes(), b'abcdefg')
|
|
|
|
def test_read_write_text(self):
|
|
p = self.cls(self.base)
|
|
(p / 'fileA').write_text('äbcdefg', encoding='latin-1')
|
|
self.assertEqual((p / 'fileA').read_text(
|
|
encoding='utf-8', errors='ignore'), 'bcdefg')
|
|
# Check that trying to write bytes does not truncate the file.
|
|
self.assertRaises(TypeError, (p / 'fileA').write_text, b'somebytes')
|
|
self.assertEqual((p / 'fileA').read_text(encoding='latin-1'), 'äbcdefg')
|
|
|
|
def test_read_text_with_newlines(self):
|
|
p = self.cls(self.base)
|
|
# Check that `\n` character change nothing
|
|
(p / 'fileA').write_bytes(b'abcde\r\nfghlk\n\rmnopq')
|
|
self.assertEqual((p / 'fileA').read_text(newline='\n'),
|
|
'abcde\r\nfghlk\n\rmnopq')
|
|
# Check that `\r` character replaces `\n`
|
|
(p / 'fileA').write_bytes(b'abcde\r\nfghlk\n\rmnopq')
|
|
self.assertEqual((p / 'fileA').read_text(newline='\r'),
|
|
'abcde\r\nfghlk\n\rmnopq')
|
|
# Check that `\r\n` character replaces `\n`
|
|
(p / 'fileA').write_bytes(b'abcde\r\nfghlk\n\rmnopq')
|
|
self.assertEqual((p / 'fileA').read_text(newline='\r\n'),
|
|
'abcde\r\nfghlk\n\rmnopq')
|
|
|
|
def test_write_text_with_newlines(self):
|
|
p = self.cls(self.base)
|
|
# Check that `\n` character change nothing
|
|
(p / 'fileA').write_text('abcde\r\nfghlk\n\rmnopq', newline='\n')
|
|
self.assertEqual((p / 'fileA').read_bytes(),
|
|
b'abcde\r\nfghlk\n\rmnopq')
|
|
# Check that `\r` character replaces `\n`
|
|
(p / 'fileA').write_text('abcde\r\nfghlk\n\rmnopq', newline='\r')
|
|
self.assertEqual((p / 'fileA').read_bytes(),
|
|
b'abcde\r\rfghlk\r\rmnopq')
|
|
# Check that `\r\n` character replaces `\n`
|
|
(p / 'fileA').write_text('abcde\r\nfghlk\n\rmnopq', newline='\r\n')
|
|
self.assertEqual((p / 'fileA').read_bytes(),
|
|
b'abcde\r\r\nfghlk\r\n\rmnopq')
|
|
# Check that no argument passed will change `\n` to `os.linesep`
|
|
os_linesep_byte = bytes(os.linesep, encoding='ascii')
|
|
(p / 'fileA').write_text('abcde\nfghlk\n\rmnopq')
|
|
self.assertEqual((p / 'fileA').read_bytes(),
|
|
b'abcde' + os_linesep_byte + b'fghlk' + os_linesep_byte + b'\rmnopq')
|
|
|
|
def test_copy_file(self):
|
|
base = self.cls(self.base)
|
|
source = base / 'fileA'
|
|
target = base / 'copyA'
|
|
result = source.copy(target)
|
|
self.assertEqual(result, target)
|
|
self.assertTrue(result.info.exists())
|
|
self.assertEqual(source.read_text(), result.read_text())
|
|
|
|
def test_copy_file_to_existing_file(self):
|
|
base = self.cls(self.base)
|
|
source = base / 'fileA'
|
|
target = base / 'dirB' / 'fileB'
|
|
result = source.copy(target)
|
|
self.assertEqual(result, target)
|
|
self.assertTrue(result.info.exists())
|
|
self.assertEqual(source.read_text(), result.read_text())
|
|
|
|
def test_copy_file_to_existing_directory(self):
|
|
base = self.cls(self.base)
|
|
source = base / 'fileA'
|
|
target = base / 'dirA'
|
|
self.assertRaises(OSError, source.copy, target)
|
|
|
|
def test_copy_file_empty(self):
|
|
base = self.cls(self.base)
|
|
source = base / 'empty'
|
|
target = base / 'copyA'
|
|
source.write_bytes(b'')
|
|
result = source.copy(target)
|
|
self.assertEqual(result, target)
|
|
self.assertTrue(result.info.exists())
|
|
self.assertEqual(result.read_bytes(), b'')
|
|
|
|
def test_copy_file_to_itself(self):
|
|
base = self.cls(self.base)
|
|
source = base / 'empty'
|
|
source.write_bytes(b'')
|
|
self.assertRaises(OSError, source.copy, source)
|
|
self.assertRaises(OSError, source.copy, source, follow_symlinks=False)
|
|
|
|
def test_copy_dir_simple(self):
|
|
base = self.cls(self.base)
|
|
source = base / 'dirC'
|
|
target = base / 'copyC'
|
|
result = source.copy(target)
|
|
self.assertEqual(result, target)
|
|
self.assertTrue(result.info.is_dir())
|
|
self.assertTrue(result.joinpath('dirD').info.is_dir())
|
|
self.assertTrue(result.joinpath('dirD', 'fileD').info.is_file())
|
|
self.assertEqual(result.joinpath('dirD', 'fileD').read_text(),
|
|
"this is file D\n")
|
|
self.assertTrue(result.joinpath('fileC').info.is_file())
|
|
self.assertTrue(result.joinpath('fileC').read_text(),
|
|
"this is file C\n")
|
|
|
|
def test_copy_dir_complex(self, follow_symlinks=True):
|
|
def ordered_walk(path):
|
|
for dirpath, dirnames, filenames in path.walk(follow_symlinks=follow_symlinks):
|
|
dirnames.sort()
|
|
filenames.sort()
|
|
yield dirpath, dirnames, filenames
|
|
base = self.cls(self.base)
|
|
source = base / 'dirC'
|
|
|
|
if self.can_symlink:
|
|
# Add some symlinks
|
|
source.joinpath('linkC').symlink_to('fileC')
|
|
source.joinpath('linkD').symlink_to('dirD', target_is_directory=True)
|
|
|
|
# Perform the copy
|
|
target = base / 'copyC'
|
|
result = source.copy(target, follow_symlinks=follow_symlinks)
|
|
self.assertEqual(result, target)
|
|
|
|
# Compare the source and target trees
|
|
source_walk = ordered_walk(source)
|
|
target_walk = ordered_walk(result)
|
|
for source_item, target_item in zip(source_walk, target_walk, strict=True):
|
|
self.assertEqual(source_item[0].parts[len(source.parts):],
|
|
target_item[0].parts[len(target.parts):]) # dirpath
|
|
self.assertEqual(source_item[1], target_item[1]) # dirnames
|
|
self.assertEqual(source_item[2], target_item[2]) # filenames
|
|
# Compare files and symlinks
|
|
for filename in source_item[2]:
|
|
source_file = source_item[0].joinpath(filename)
|
|
target_file = target_item[0].joinpath(filename)
|
|
if follow_symlinks or not source_file.info.is_symlink():
|
|
# Regular file.
|
|
self.assertEqual(source_file.read_bytes(), target_file.read_bytes())
|
|
elif source_file.info.is_dir():
|
|
# Symlink to directory.
|
|
self.assertTrue(target_file.info.is_dir())
|
|
self.assertEqual(source_file.readlink(), target_file.readlink())
|
|
else:
|
|
# Symlink to file.
|
|
self.assertEqual(source_file.read_bytes(), target_file.read_bytes())
|
|
self.assertEqual(source_file.readlink(), target_file.readlink())
|
|
|
|
def test_copy_dir_complex_follow_symlinks_false(self):
|
|
self.test_copy_dir_complex(follow_symlinks=False)
|
|
|
|
def test_copy_dir_to_existing_directory(self):
|
|
base = self.cls(self.base)
|
|
source = base / 'dirC'
|
|
target = base / 'copyC'
|
|
target.mkdir()
|
|
target.joinpath('dirD').mkdir()
|
|
self.assertRaises(FileExistsError, source.copy, target)
|
|
|
|
def test_copy_dir_to_itself(self):
|
|
base = self.cls(self.base)
|
|
source = base / 'dirC'
|
|
self.assertRaises(OSError, source.copy, source)
|
|
self.assertRaises(OSError, source.copy, source, follow_symlinks=False)
|
|
|
|
def test_copy_dir_into_itself(self):
|
|
base = self.cls(self.base)
|
|
source = base / 'dirC'
|
|
target = base / 'dirC' / 'dirD' / 'copyC'
|
|
self.assertRaises(OSError, source.copy, target)
|
|
self.assertRaises(OSError, source.copy, target, follow_symlinks=False)
|
|
self.assertFalse(target.info.exists())
|
|
|
|
def test_copy_into(self):
|
|
base = self.cls(self.base)
|
|
source = base / 'fileA'
|
|
target_dir = base / 'dirA'
|
|
result = source.copy_into(target_dir)
|
|
self.assertEqual(result, target_dir / 'fileA')
|
|
self.assertTrue(result.info.exists())
|
|
self.assertEqual(source.read_text(), result.read_text())
|
|
|
|
def test_copy_into_empty_name(self):
|
|
source = self.cls('')
|
|
target_dir = self.base
|
|
self.assertRaises(ValueError, source.copy_into, target_dir)
|
|
|
|
|
|
class ReadablePathWalkTest(unittest.TestCase):
|
|
cls = DummyReadablePath
|
|
base = ReadablePathTest.base
|
|
can_symlink = False
|
|
|
|
def setUp(self):
|
|
self.walk_path = self.cls(self.base, "TEST1")
|
|
self.sub1_path = self.walk_path / "SUB1"
|
|
self.sub11_path = self.sub1_path / "SUB11"
|
|
self.sub2_path = self.walk_path / "SUB2"
|
|
self.link_path = self.sub2_path / "link"
|
|
self.sub2_tree = (self.sub2_path, [], ["tmp3"])
|
|
self.createTestHierarchy()
|
|
|
|
def createTestHierarchy(self):
|
|
cls = self.cls
|
|
cls._files = {
|
|
f'{self.base}/TEST1/tmp1': b'this is tmp1\n',
|
|
f'{self.base}/TEST1/SUB1/tmp2': b'this is tmp2\n',
|
|
f'{self.base}/TEST1/SUB2/tmp3': b'this is tmp3\n',
|
|
f'{self.base}/TEST2/tmp4': b'this is tmp4\n',
|
|
}
|
|
cls._directories = {
|
|
f'{self.base}': {'TEST1', 'TEST2'},
|
|
f'{self.base}/TEST1': {'SUB1', 'SUB2', 'tmp1'},
|
|
f'{self.base}/TEST1/SUB1': {'SUB11', 'tmp2'},
|
|
f'{self.base}/TEST1/SUB1/SUB11': set(),
|
|
f'{self.base}/TEST1/SUB2': {'tmp3'},
|
|
f'{self.base}/TEST2': {'tmp4'},
|
|
}
|
|
|
|
def tearDown(self):
|
|
cls = self.cls
|
|
cls._files.clear()
|
|
cls._directories.clear()
|
|
|
|
def test_walk_topdown(self):
|
|
walker = self.walk_path.walk()
|
|
entry = next(walker)
|
|
entry[1].sort() # Ensure we visit SUB1 before SUB2
|
|
self.assertEqual(entry, (self.walk_path, ["SUB1", "SUB2"], ["tmp1"]))
|
|
entry = next(walker)
|
|
self.assertEqual(entry, (self.sub1_path, ["SUB11"], ["tmp2"]))
|
|
entry = next(walker)
|
|
self.assertEqual(entry, (self.sub11_path, [], []))
|
|
entry = next(walker)
|
|
entry[1].sort()
|
|
entry[2].sort()
|
|
self.assertEqual(entry, self.sub2_tree)
|
|
with self.assertRaises(StopIteration):
|
|
next(walker)
|
|
|
|
def test_walk_prune(self):
|
|
# Prune the search.
|
|
all = []
|
|
for root, dirs, files in self.walk_path.walk():
|
|
all.append((root, dirs, files))
|
|
if 'SUB1' in dirs:
|
|
# Note that this also mutates the dirs we appended to all!
|
|
dirs.remove('SUB1')
|
|
|
|
self.assertEqual(len(all), 2)
|
|
self.assertEqual(all[0], (self.walk_path, ["SUB2"], ["tmp1"]))
|
|
|
|
all[1][-1].sort()
|
|
all[1][1].sort()
|
|
self.assertEqual(all[1], self.sub2_tree)
|
|
|
|
def test_walk_bottom_up(self):
|
|
seen_testfn = seen_sub1 = seen_sub11 = seen_sub2 = False
|
|
for path, dirnames, filenames in self.walk_path.walk(top_down=False):
|
|
if path == self.walk_path:
|
|
self.assertFalse(seen_testfn)
|
|
self.assertTrue(seen_sub1)
|
|
self.assertTrue(seen_sub2)
|
|
self.assertEqual(sorted(dirnames), ["SUB1", "SUB2"])
|
|
self.assertEqual(filenames, ["tmp1"])
|
|
seen_testfn = True
|
|
elif path == self.sub1_path:
|
|
self.assertFalse(seen_testfn)
|
|
self.assertFalse(seen_sub1)
|
|
self.assertTrue(seen_sub11)
|
|
self.assertEqual(dirnames, ["SUB11"])
|
|
self.assertEqual(filenames, ["tmp2"])
|
|
seen_sub1 = True
|
|
elif path == self.sub11_path:
|
|
self.assertFalse(seen_sub1)
|
|
self.assertFalse(seen_sub11)
|
|
self.assertEqual(dirnames, [])
|
|
self.assertEqual(filenames, [])
|
|
seen_sub11 = True
|
|
elif path == self.sub2_path:
|
|
self.assertFalse(seen_testfn)
|
|
self.assertFalse(seen_sub2)
|
|
self.assertEqual(sorted(dirnames), sorted(self.sub2_tree[1]))
|
|
self.assertEqual(sorted(filenames), sorted(self.sub2_tree[2]))
|
|
seen_sub2 = True
|
|
else:
|
|
raise AssertionError(f"Unexpected path: {path}")
|
|
self.assertTrue(seen_testfn)
|
|
|
|
|
|
|
|
if __name__ == "__main__":
|
|
unittest.main()
|