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"""
Tests for pathlib.types._JoinablePath
"""
import unittest
import threading
from test.support import threading_helper
from .support import is_pypi
from .support.lexical_path import LexicalPath
if is_pypi:
from pathlib_abc import _PathParser, _JoinablePath
else:
from pathlib.types import _PathParser, _JoinablePath
class JoinTestBase:
def test_is_joinable(self):
p = self.cls()
self.assertIsInstance(p, _JoinablePath)
def test_parser(self):
self.assertIsInstance(self.cls.parser, _PathParser)
def test_constructor(self):
P = self.cls
p = P('a')
self.assertIsInstance(p, P)
P()
P('a', 'b', 'c')
P('/a', 'b', 'c')
P('a/b/c')
P('/a/b/c')
def test_with_segments(self):
class P(self.cls):
def __init__(self, *pathsegments, session_id):
super().__init__(*pathsegments)
self.session_id = session_id
def with_segments(self, *pathsegments):
return type(self)(*pathsegments, session_id=self.session_id)
p = P('foo', 'bar', session_id=42)
self.assertEqual(42, (p / 'foo').session_id)
self.assertEqual(42, ('foo' / p).session_id)
self.assertEqual(42, p.joinpath('foo').session_id)
self.assertEqual(42, p.with_name('foo').session_id)
self.assertEqual(42, p.with_stem('foo').session_id)
self.assertEqual(42, p.with_suffix('.foo').session_id)
self.assertEqual(42, p.with_segments('foo').session_id)
self.assertEqual(42, p.parent.session_id)
for parent in p.parents:
self.assertEqual(42, parent.session_id)
def test_join(self):
P = self.cls
sep = self.cls.parser.sep
p = P(f'a{sep}b')
pp = p.joinpath('c')
self.assertEqual(pp, P(f'a{sep}b{sep}c'))
self.assertIs(type(pp), type(p))
pp = p.joinpath('c', 'd')
self.assertEqual(pp, P(f'a{sep}b{sep}c{sep}d'))
pp = p.joinpath(f'{sep}c')
self.assertEqual(pp, P(f'{sep}c'))
def test_div(self):
# Basically the same as joinpath().
P = self.cls
sep = self.cls.parser.sep
p = P(f'a{sep}b')
pp = p / 'c'
self.assertEqual(pp, P(f'a{sep}b{sep}c'))
self.assertIs(type(pp), type(p))
pp = p / f'c{sep}d'
self.assertEqual(pp, P(f'a{sep}b{sep}c{sep}d'))
pp = p / 'c' / 'd'
self.assertEqual(pp, P(f'a{sep}b{sep}c{sep}d'))
pp = 'c' / p / 'd'
self.assertEqual(pp, P(f'c{sep}a{sep}b{sep}d'))
pp = p/ f'{sep}c'
self.assertEqual(pp, P(f'{sep}c'))
def test_full_match(self):
P = self.cls
# Simple relative pattern.
self.assertTrue(P('b.py').full_match('b.py'))
self.assertFalse(P('a/b.py').full_match('b.py'))
self.assertFalse(P('/a/b.py').full_match('b.py'))
self.assertFalse(P('a.py').full_match('b.py'))
self.assertFalse(P('b/py').full_match('b.py'))
self.assertFalse(P('/a.py').full_match('b.py'))
self.assertFalse(P('b.py/c').full_match('b.py'))
# Wildcard relative pattern.
self.assertTrue(P('b.py').full_match('*.py'))
self.assertFalse(P('a/b.py').full_match('*.py'))
self.assertFalse(P('/a/b.py').full_match('*.py'))
self.assertFalse(P('b.pyc').full_match('*.py'))
self.assertFalse(P('b./py').full_match('*.py'))
self.assertFalse(P('b.py/c').full_match('*.py'))
# Multi-part relative pattern.
self.assertTrue(P('ab/c.py').full_match('a*/*.py'))
self.assertFalse(P('/d/ab/c.py').full_match('a*/*.py'))
self.assertFalse(P('a.py').full_match('a*/*.py'))
self.assertFalse(P('/dab/c.py').full_match('a*/*.py'))
self.assertFalse(P('ab/c.py/d').full_match('a*/*.py'))
# Absolute pattern.
self.assertTrue(P('/b.py').full_match('/*.py'))
self.assertFalse(P('b.py').full_match('/*.py'))
self.assertFalse(P('a/b.py').full_match('/*.py'))
self.assertFalse(P('/a/b.py').full_match('/*.py'))
# Multi-part absolute pattern.
self.assertTrue(P('/a/b.py').full_match('/a/*.py'))
self.assertFalse(P('/ab.py').full_match('/a/*.py'))
self.assertFalse(P('/a/b/c.py').full_match('/a/*.py'))
# Multi-part glob-style pattern.
self.assertTrue(P('a').full_match('**'))
self.assertTrue(P('c.py').full_match('**'))
self.assertTrue(P('a/b/c.py').full_match('**'))
self.assertTrue(P('/a/b/c.py').full_match('**'))
self.assertTrue(P('/a/b/c.py').full_match('/**'))
self.assertTrue(P('/a/b/c.py').full_match('/a/**'))
self.assertTrue(P('/a/b/c.py').full_match('**/*.py'))
self.assertTrue(P('/a/b/c.py').full_match('/**/*.py'))
self.assertTrue(P('/a/b/c.py').full_match('/a/**/*.py'))
self.assertTrue(P('/a/b/c.py').full_match('/a/b/**/*.py'))
self.assertTrue(P('/a/b/c.py').full_match('/**/**/**/**/*.py'))
self.assertFalse(P('c.py').full_match('**/a.py'))
self.assertFalse(P('c.py').full_match('c/**'))
self.assertFalse(P('a/b/c.py').full_match('**/a'))
self.assertFalse(P('a/b/c.py').full_match('**/a/b'))
self.assertFalse(P('a/b/c.py').full_match('**/a/b/c'))
self.assertFalse(P('a/b/c.py').full_match('**/a/b/c.'))
self.assertFalse(P('a/b/c.py').full_match('**/a/b/c./**'))
self.assertFalse(P('a/b/c.py').full_match('**/a/b/c./**'))
self.assertFalse(P('a/b/c.py').full_match('/a/b/c.py/**'))
self.assertFalse(P('a/b/c.py').full_match('/**/a/b/c.py'))
# Matching against empty path
self.assertFalse(P('').full_match('*'))
self.assertTrue(P('').full_match('**'))
self.assertFalse(P('').full_match('**/*'))
# Matching with empty pattern
self.assertTrue(P('').full_match(''))
self.assertTrue(P('.').full_match('.'))
self.assertFalse(P('/').full_match(''))
self.assertFalse(P('/').full_match('.'))
self.assertFalse(P('foo').full_match(''))
self.assertFalse(P('foo').full_match('.'))
def test_parts(self):
# `parts` returns a tuple.
sep = self.cls.parser.sep
P = self.cls
p = P(f'a{sep}b')
parts = p.parts
self.assertEqual(parts, ('a', 'b'))
# When the path is absolute, the anchor is a separate part.
p = P(f'{sep}a{sep}b')
parts = p.parts
self.assertEqual(parts, (sep, 'a', 'b'))
@threading_helper.requires_working_threading()
def test_parts_multithreaded(self):
P = self.cls
NUM_THREADS = 10
NUM_ITERS = 10
for _ in range(NUM_ITERS):
b = threading.Barrier(NUM_THREADS)
path = P('a') / 'b' / 'c' / 'd' / 'e'
expected = ('a', 'b', 'c', 'd', 'e')
def check_parts():
b.wait()
self.assertEqual(path.parts, expected)
threads = [threading.Thread(target=check_parts) for _ in range(NUM_THREADS)]
with threading_helper.start_threads(threads):
pass
def test_parent(self):
# Relative
P = self.cls
p = P('a/b/c')
self.assertEqual(p.parent, P('a/b'))
self.assertEqual(p.parent.parent, P('a'))
self.assertEqual(p.parent.parent.parent, P(''))
self.assertEqual(p.parent.parent.parent.parent, P(''))
# Anchored
p = P('/a/b/c')
self.assertEqual(p.parent, P('/a/b'))
self.assertEqual(p.parent.parent, P('/a'))
self.assertEqual(p.parent.parent.parent, P('/'))
self.assertEqual(p.parent.parent.parent.parent, P('/'))
def test_parents(self):
# Relative
P = self.cls
p = P('a/b/c')
par = p.parents
self.assertEqual(len(par), 3)
self.assertEqual(par[0], P('a/b'))
self.assertEqual(par[1], P('a'))
self.assertEqual(par[2], P(''))
self.assertEqual(par[-1], P(''))
self.assertEqual(par[-2], P('a'))
self.assertEqual(par[-3], P('a/b'))
self.assertEqual(par[0:1], (P('a/b'),))
self.assertEqual(par[:2], (P('a/b'), P('a')))
self.assertEqual(par[:-1], (P('a/b'), P('a')))
self.assertEqual(par[1:], (P('a'), P('')))
self.assertEqual(par[::2], (P('a/b'), P('')))
self.assertEqual(par[::-1], (P(''), P('a'), P('a/b')))
self.assertEqual(list(par), [P('a/b'), P('a'), P('')])
with self.assertRaises(IndexError):
par[-4]
with self.assertRaises(IndexError):
par[3]
with self.assertRaises(TypeError):
par[0] = p
# Anchored
p = P('/a/b/c')
par = p.parents
self.assertEqual(len(par), 3)
self.assertEqual(par[0], P('/a/b'))
self.assertEqual(par[1], P('/a'))
self.assertEqual(par[2], P('/'))
self.assertEqual(par[-1], P('/'))
self.assertEqual(par[-2], P('/a'))
self.assertEqual(par[-3], P('/a/b'))
self.assertEqual(par[0:1], (P('/a/b'),))
self.assertEqual(par[:2], (P('/a/b'), P('/a')))
self.assertEqual(par[:-1], (P('/a/b'), P('/a')))
self.assertEqual(par[1:], (P('/a'), P('/')))
self.assertEqual(par[::2], (P('/a/b'), P('/')))
self.assertEqual(par[::-1], (P('/'), P('/a'), P('/a/b')))
self.assertEqual(list(par), [P('/a/b'), P('/a'), P('/')])
with self.assertRaises(IndexError):
par[-4]
with self.assertRaises(IndexError):
par[3]
def test_anchor(self):
P = self.cls
sep = self.cls.parser.sep
self.assertEqual(P('').anchor, '')
self.assertEqual(P(f'a{sep}b').anchor, '')
self.assertEqual(P(sep).anchor, sep)
self.assertEqual(P(f'{sep}a{sep}b').anchor, sep)
def test_name(self):
P = self.cls
self.assertEqual(P('').name, '')
self.assertEqual(P('/').name, '')
self.assertEqual(P('a/b').name, 'b')
self.assertEqual(P('/a/b').name, 'b')
self.assertEqual(P('a/b.py').name, 'b.py')
self.assertEqual(P('/a/b.py').name, 'b.py')
def test_suffix(self):
P = self.cls
self.assertEqual(P('').suffix, '')
self.assertEqual(P('.').suffix, '')
self.assertEqual(P('..').suffix, '')
self.assertEqual(P('/').suffix, '')
self.assertEqual(P('a/b').suffix, '')
self.assertEqual(P('/a/b').suffix, '')
self.assertEqual(P('/a/b/.').suffix, '')
self.assertEqual(P('a/b.py').suffix, '.py')
self.assertEqual(P('/a/b.py').suffix, '.py')
self.assertEqual(P('a/.hgrc').suffix, '')
self.assertEqual(P('/a/.hgrc').suffix, '')
self.assertEqual(P('a/.hg.rc').suffix, '.rc')
self.assertEqual(P('/a/.hg.rc').suffix, '.rc')
self.assertEqual(P('a/b.tar.gz').suffix, '.gz')
self.assertEqual(P('/a/b.tar.gz').suffix, '.gz')
self.assertEqual(P('a/trailing.dot.').suffix, '.')
self.assertEqual(P('/a/trailing.dot.').suffix, '.')
self.assertEqual(P('a/..d.o.t..').suffix, '.')
self.assertEqual(P('a/inn.er..dots').suffix, '.dots')
self.assertEqual(P('photo').suffix, '')
self.assertEqual(P('photo.jpg').suffix, '.jpg')
def test_suffixes(self):
P = self.cls
self.assertEqual(P('').suffixes, [])
self.assertEqual(P('.').suffixes, [])
self.assertEqual(P('/').suffixes, [])
self.assertEqual(P('a/b').suffixes, [])
self.assertEqual(P('/a/b').suffixes, [])
self.assertEqual(P('/a/b/.').suffixes, [])
self.assertEqual(P('a/b.py').suffixes, ['.py'])
self.assertEqual(P('/a/b.py').suffixes, ['.py'])
self.assertEqual(P('a/.hgrc').suffixes, [])
self.assertEqual(P('/a/.hgrc').suffixes, [])
self.assertEqual(P('a/.hg.rc').suffixes, ['.rc'])
self.assertEqual(P('/a/.hg.rc').suffixes, ['.rc'])
self.assertEqual(P('a/b.tar.gz').suffixes, ['.tar', '.gz'])
self.assertEqual(P('/a/b.tar.gz').suffixes, ['.tar', '.gz'])
self.assertEqual(P('a/trailing.dot.').suffixes, ['.dot', '.'])
self.assertEqual(P('/a/trailing.dot.').suffixes, ['.dot', '.'])
self.assertEqual(P('a/..d.o.t..').suffixes, ['.o', '.t', '.', '.'])
self.assertEqual(P('a/inn.er..dots').suffixes, ['.er', '.', '.dots'])
self.assertEqual(P('photo').suffixes, [])
self.assertEqual(P('photo.jpg').suffixes, ['.jpg'])
def test_stem(self):
P = self.cls
self.assertEqual(P('..').stem, '..')
self.assertEqual(P('').stem, '')
self.assertEqual(P('/').stem, '')
self.assertEqual(P('a/b').stem, 'b')
self.assertEqual(P('a/b.py').stem, 'b')
self.assertEqual(P('a/.hgrc').stem, '.hgrc')
self.assertEqual(P('a/.hg.rc').stem, '.hg')
self.assertEqual(P('a/b.tar.gz').stem, 'b.tar')
self.assertEqual(P('a/trailing.dot.').stem, 'trailing.dot')
self.assertEqual(P('a/..d.o.t..').stem, '..d.o.t.')
self.assertEqual(P('a/inn.er..dots').stem, 'inn.er.')
self.assertEqual(P('photo').stem, 'photo')
self.assertEqual(P('photo.jpg').stem, 'photo')
def test_with_name(self):
P = self.cls
self.assertEqual(P('a/b').with_name('d.xml'), P('a/d.xml'))
self.assertEqual(P('/a/b').with_name('d.xml'), P('/a/d.xml'))
self.assertEqual(P('a/b.py').with_name('d.xml'), P('a/d.xml'))
self.assertEqual(P('/a/b.py').with_name('d.xml'), P('/a/d.xml'))
self.assertEqual(P('a/Dot ending.').with_name('d.xml'), P('a/d.xml'))
self.assertEqual(P('/a/Dot ending.').with_name('d.xml'), P('/a/d.xml'))
self.assertRaises(ValueError, P('a/b').with_name, '/c')
self.assertRaises(ValueError, P('a/b').with_name, 'c/')
self.assertRaises(ValueError, P('a/b').with_name, 'c/d')
def test_with_stem(self):
P = self.cls
self.assertEqual(P('a/b').with_stem('d'), P('a/d'))
self.assertEqual(P('/a/b').with_stem('d'), P('/a/d'))
self.assertEqual(P('a/b.py').with_stem('d'), P('a/d.py'))
self.assertEqual(P('/a/b.py').with_stem('d'), P('/a/d.py'))
self.assertEqual(P('/a/b.tar.gz').with_stem('d'), P('/a/d.gz'))
self.assertEqual(P('a/Dot ending.').with_stem('d'), P('a/d.'))
self.assertEqual(P('/a/Dot ending.').with_stem('d'), P('/a/d.'))
self.assertRaises(ValueError, P('foo.gz').with_stem, '')
self.assertRaises(ValueError, P('/a/b/foo.gz').with_stem, '')
self.assertRaises(ValueError, P('a/b').with_stem, '/c')
self.assertRaises(ValueError, P('a/b').with_stem, 'c/')
self.assertRaises(ValueError, P('a/b').with_stem, 'c/d')
def test_with_suffix(self):
P = self.cls
self.assertEqual(P('a/b').with_suffix('.gz'), P('a/b.gz'))
self.assertEqual(P('/a/b').with_suffix('.gz'), P('/a/b.gz'))
self.assertEqual(P('a/b.py').with_suffix('.gz'), P('a/b.gz'))
self.assertEqual(P('/a/b.py').with_suffix('.gz'), P('/a/b.gz'))
# Stripping suffix.
self.assertEqual(P('a/b.py').with_suffix(''), P('a/b'))
self.assertEqual(P('/a/b').with_suffix(''), P('/a/b'))
# Single dot
self.assertEqual(P('a/b').with_suffix('.'), P('a/b.'))
self.assertEqual(P('/a/b').with_suffix('.'), P('/a/b.'))
self.assertEqual(P('a/b.py').with_suffix('.'), P('a/b.'))
self.assertEqual(P('/a/b.py').with_suffix('.'), P('/a/b.'))
# Path doesn't have a "filename" component.
self.assertRaises(ValueError, P('').with_suffix, '.gz')
self.assertRaises(ValueError, P('/').with_suffix, '.gz')
# Invalid suffix.
self.assertRaises(ValueError, P('a/b').with_suffix, 'gz')
self.assertRaises(ValueError, P('a/b').with_suffix, '/')
self.assertRaises(ValueError, P('a/b').with_suffix, '/.gz')
self.assertRaises(ValueError, P('a/b').with_suffix, 'c/d')
self.assertRaises(ValueError, P('a/b').with_suffix, '.c/.d')
self.assertRaises(ValueError, P('a/b').with_suffix, './.d')
self.assertRaises(ValueError, P('a/b').with_suffix, '.d/.')
self.assertRaises(TypeError, P('a/b').with_suffix, None)
class LexicalPathJoinTest(JoinTestBase, unittest.TestCase):
cls = LexicalPath
if not is_pypi:
from pathlib import PurePath, Path
class PurePathJoinTest(JoinTestBase, unittest.TestCase):
cls = PurePath
class PathJoinTest(JoinTestBase, unittest.TestCase):
cls = Path
if __name__ == "__main__":
unittest.main()
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