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109 lines
3.2 KiB
109 lines
3.2 KiB
# encoding: utf-8
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"""Tests for genutils.path"""
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# Copyright (c) IPython Development Team.
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# Distributed under the terms of the Modified BSD License.
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import os
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import sys
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import tempfile
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import nose.tools as nt
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from ..testing.decorators import skip_if_not_win32, skip_win32
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from .. import path
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from .. import py3compat
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from ..tempdir import TemporaryDirectory
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def test_filefind():
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f = tempfile.NamedTemporaryFile()
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t = path.filefind(f.name, '.')
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def test_ensure_dir_exists():
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with TemporaryDirectory() as td:
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d = os.path.join(td, u'∂ir')
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path.ensure_dir_exists(d) # create it
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assert os.path.isdir(d)
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path.ensure_dir_exists(d) # no-op
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f = os.path.join(td, u'ƒile')
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open(f, 'w').close() # touch
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with nt.assert_raises(IOError):
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path.ensure_dir_exists(f)
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class TestLinkOrCopy(object):
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def setUp(self):
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self.tempdir = TemporaryDirectory()
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self.src = self.dst("src")
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with open(self.src, "w") as f:
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f.write("Hello, world!")
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def tearDown(self):
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self.tempdir.cleanup()
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def dst(self, *args):
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return os.path.join(self.tempdir.name, *args)
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def assert_inode_not_equal(self, a, b):
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nt.assert_not_equals(os.stat(a).st_ino, os.stat(b).st_ino,
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"%r and %r do reference the same indoes" %(a, b))
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def assert_inode_equal(self, a, b):
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nt.assert_equals(os.stat(a).st_ino, os.stat(b).st_ino,
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"%r and %r do not reference the same indoes" %(a, b))
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def assert_content_equal(self, a, b):
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with open(a) as a_f:
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with open(b) as b_f:
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nt.assert_equals(a_f.read(), b_f.read())
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@skip_win32
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def test_link_successful(self):
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dst = self.dst("target")
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path.link_or_copy(self.src, dst)
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self.assert_inode_equal(self.src, dst)
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@skip_win32
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def test_link_into_dir(self):
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dst = self.dst("some_dir")
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os.mkdir(dst)
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path.link_or_copy(self.src, dst)
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expected_dst = self.dst("some_dir", os.path.basename(self.src))
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self.assert_inode_equal(self.src, expected_dst)
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@skip_win32
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def test_target_exists(self):
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dst = self.dst("target")
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open(dst, "w").close()
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path.link_or_copy(self.src, dst)
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self.assert_inode_equal(self.src, dst)
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@skip_win32
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def test_no_link(self):
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real_link = os.link
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try:
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del os.link
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dst = self.dst("target")
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path.link_or_copy(self.src, dst)
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self.assert_content_equal(self.src, dst)
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self.assert_inode_not_equal(self.src, dst)
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finally:
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os.link = real_link
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@skip_if_not_win32
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def test_windows(self):
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dst = self.dst("target")
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path.link_or_copy(self.src, dst)
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self.assert_content_equal(self.src, dst)
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def test_link_twice(self):
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# Linking the same file twice shouldn't leave duplicates around.
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# See https://github.com/ipython/ipython/issues/6450
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dst = self.dst('target')
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path.link_or_copy(self.src, dst)
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path.link_or_copy(self.src, dst)
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self.assert_inode_equal(self.src, dst)
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nt.assert_equal(sorted(os.listdir(self.tempdir.name)), ['src', 'target'])
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