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dupeguru/hscommon/tests/path_test.py

257 lines
7.7 KiB
Python

# Created By: Virgil Dupras
# Created On: 2006/02/21
# Copyright 2015 Hardcoded Software (http://www.hardcoded.net)
# This software is licensed under the "GPLv3" License as described in the "LICENSE" file,
# which should be included with this package. The terms are also available at
# http://www.gnu.org/licenses/gpl-3.0.html
import sys
import os
from pytest import raises, mark
from ..path import Path, pathify
from ..testutil import eq_
def pytest_funcarg__force_ossep(request):
monkeypatch = request.getfuncargvalue('monkeypatch')
monkeypatch.setattr(os, 'sep', '/')
def test_empty(force_ossep):
path = Path('')
eq_('',str(path))
eq_(0,len(path))
path = Path(())
eq_('',str(path))
eq_(0,len(path))
def test_single(force_ossep):
path = Path('foobar')
eq_('foobar',path)
eq_(1,len(path))
def test_multiple(force_ossep):
path = Path('foo/bar')
eq_('foo/bar',path)
eq_(2,len(path))
def test_init_with_tuple_and_list(force_ossep):
path = Path(('foo','bar'))
eq_('foo/bar',path)
path = Path(['foo','bar'])
eq_('foo/bar',path)
def test_init_with_invalid_value(force_ossep):
try:
path = Path(42)
assert False
except TypeError:
pass
def test_access(force_ossep):
path = Path('foo/bar/bleh')
eq_('foo',path[0])
eq_('foo',path[-3])
eq_('bar',path[1])
eq_('bar',path[-2])
eq_('bleh',path[2])
eq_('bleh',path[-1])
def test_slicing(force_ossep):
path = Path('foo/bar/bleh')
subpath = path[:2]
eq_('foo/bar',subpath)
assert isinstance(subpath,Path)
def test_parent(force_ossep):
path = Path('foo/bar/bleh')
subpath = path.parent()
eq_('foo/bar', subpath)
assert isinstance(subpath, Path)
def test_filename(force_ossep):
path = Path('foo/bar/bleh.ext')
eq_(path.name, 'bleh.ext')
def test_deal_with_empty_components(force_ossep):
"""Keep ONLY a leading space, which means we want a leading slash.
"""
eq_('foo//bar',str(Path(('foo','','bar'))))
eq_('/foo/bar',str(Path(('','foo','bar'))))
eq_('foo/bar',str(Path('foo/bar/')))
def test_old_compare_paths(force_ossep):
eq_(Path('foobar'),Path('foobar'))
eq_(Path('foobar/'),Path('foobar\\','\\'))
eq_(Path('/foobar/'),Path('\\foobar\\','\\'))
eq_(Path('/foo/bar'),Path('\\foo\\bar','\\'))
eq_(Path('/foo/bar'),Path('\\foo\\bar\\','\\'))
assert Path('/foo/bar') != Path('\\foo\\foo','\\')
#We also have to test __ne__
assert not (Path('foobar') != Path('foobar'))
assert Path('/a/b/c.x') != Path('/a/b/c.y')
def test_old_split_path(force_ossep):
eq_(Path('foobar'),('foobar',))
eq_(Path('foo/bar'),('foo','bar'))
eq_(Path('/foo/bar/'),('','foo','bar'))
eq_(Path('\\foo\\bar','\\'),('','foo','bar'))
def test_representation(force_ossep):
eq_("('foo', 'bar')",repr(Path(('foo','bar'))))
def test_add(force_ossep):
eq_('foo/bar/bar/foo',Path(('foo','bar')) + Path('bar/foo'))
eq_('foo/bar/bar/foo',Path('foo/bar') + 'bar/foo')
eq_('foo/bar/bar/foo',Path('foo/bar') + ('bar','foo'))
eq_('foo/bar/bar/foo',('foo','bar') + Path('bar/foo'))
eq_('foo/bar/bar/foo','foo/bar' + Path('bar/foo'))
#Invalid concatenation
try:
Path(('foo','bar')) + 1
assert False
except TypeError:
pass
def test_path_slice(force_ossep):
foo = Path('foo')
bar = Path('bar')
foobar = Path('foo/bar')
eq_('bar',foobar[foo:])
eq_('foo',foobar[:bar])
eq_('foo/bar',foobar[bar:])
eq_('foo/bar',foobar[:foo])
eq_((),foobar[foobar:])
eq_((),foobar[:foobar])
abcd = Path('a/b/c/d')
a = Path('a')
b = Path('b')
c = Path('c')
d = Path('d')
z = Path('z')
eq_('b/c',abcd[a:d])
eq_('b/c/d',abcd[a:d+z])
eq_('b/c',abcd[a:z+d])
eq_('a/b/c/d',abcd[:z])
def test_add_with_root_path(force_ossep):
"""if I perform /a/b/c + /d/e/f, I want /a/b/c/d/e/f, not /a/b/c//d/e/f
"""
eq_('/foo/bar',str(Path('/foo') + Path('/bar')))
def test_create_with_tuple_that_have_slash_inside(force_ossep, monkeypatch):
eq_(('','foo','bar'), Path(('/foo','bar')))
monkeypatch.setattr(os, 'sep', '\\')
eq_(('','foo','bar'), Path(('\\foo','bar')))
def test_auto_decode_os_sep(force_ossep, monkeypatch):
"""Path should decode any either / or os.sep, but always encode in os.sep.
"""
eq_(('foo\\bar','bleh'),Path('foo\\bar/bleh'))
monkeypatch.setattr(os, 'sep', '\\')
eq_(('foo','bar/bleh'),Path('foo\\bar/bleh'))
path = Path('foo/bar')
eq_(('foo','bar'),path)
eq_('foo\\bar',str(path))
def test_contains(force_ossep):
p = Path(('foo','bar'))
assert Path(('foo','bar','bleh')) in p
assert Path(('foo','bar')) in p
assert 'foo' in p
assert 'bleh' not in p
assert Path('foo') not in p
def test_is_parent_of(force_ossep):
assert Path(('foo','bar')).is_parent_of(Path(('foo','bar','bleh')))
assert not Path(('foo','bar')).is_parent_of(Path(('foo','baz')))
assert not Path(('foo','bar')).is_parent_of(Path(('foo','bar')))
def test_windows_drive_letter(force_ossep):
p = Path(('c:',))
eq_('c:\\',str(p))
def test_root_path(force_ossep):
p = Path('/')
eq_('/',str(p))
def test_str_encodes_unicode_to_getfilesystemencoding(force_ossep):
p = Path(('foo','bar\u00e9'))
eq_('foo/bar\u00e9'.encode(sys.getfilesystemencoding()), p.tobytes())
def test_unicode(force_ossep):
p = Path(('foo','bar\u00e9'))
eq_('foo/bar\u00e9',str(p))
def test_str_repr_of_mix_between_non_ascii_str_and_unicode(force_ossep):
u = 'foo\u00e9'
encoded = u.encode(sys.getfilesystemencoding())
p = Path((encoded,'bar'))
print(repr(tuple(p)))
eq_('foo\u00e9/bar'.encode(sys.getfilesystemencoding()), p.tobytes())
def test_Path_of_a_Path_returns_self(force_ossep):
#if Path() is called with a path as value, just return value.
p = Path('foo/bar')
assert Path(p) is p
def test_getitem_str(force_ossep):
# path['something'] returns the child path corresponding to the name
p = Path('/foo/bar')
eq_(p['baz'], Path('/foo/bar/baz'))
def test_getitem_path(force_ossep):
# path[Path('something')] returns the child path corresponding to the name (or subpath)
p = Path('/foo/bar')
eq_(p[Path('baz/bleh')], Path('/foo/bar/baz/bleh'))
@mark.xfail(reason="pytest's capture mechanism is flaky, I have to investigate")
def test_log_unicode_errors(force_ossep, monkeypatch, capsys):
# When an there's a UnicodeDecodeError on path creation, log it so it can be possible
# to debug the cause of it.
monkeypatch.setattr(sys, 'getfilesystemencoding', lambda: 'ascii')
with raises(UnicodeDecodeError):
Path(['', b'foo\xe9'])
out, err = capsys.readouterr()
assert repr(b'foo\xe9') in err
def test_has_drive_letter(monkeypatch):
monkeypatch.setattr(os, 'sep', '\\')
p = Path('foo\\bar')
assert not p.has_drive_letter()
p = Path('C:\\')
assert p.has_drive_letter()
p = Path('z:\\foo')
assert p.has_drive_letter()
def test_remove_drive_letter(monkeypatch):
monkeypatch.setattr(os, 'sep', '\\')
p = Path('foo\\bar')
eq_(p.remove_drive_letter(), Path('foo\\bar'))
p = Path('C:\\')
eq_(p.remove_drive_letter(), Path(''))
p = Path('z:\\foo')
eq_(p.remove_drive_letter(), Path('foo'))
def test_pathify():
@pathify
def foo(a: Path, b, c:Path):
return a, b, c
a, b, c = foo('foo', 0, c=Path('bar'))
assert isinstance(a, Path)
assert a == Path('foo')
assert b == 0
assert isinstance(c, Path)
assert c == Path('bar')
def test_pathify_preserve_none():
# @pathify preserves None value and doesn't try to return a Path
@pathify
def foo(a: Path):
return a
a = foo(None)
assert a is None