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# encoding: utf-8
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"""Tests for IPython.utils.path.py"""
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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 errno
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import os
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import shutil
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import sys
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import tempfile
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import warnings
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from contextlib import contextmanager
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from unittest.mock import patch
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from os.path import join, abspath, split
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from imp import reload
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from nose import SkipTest, with_setup
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import nose.tools as nt
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import IPython
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from IPython import paths
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from IPython.testing import decorators as dec
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from IPython.testing.decorators import (skip_if_not_win32, skip_win32,
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onlyif_unicode_paths,)
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from IPython.testing.tools import make_tempfile, AssertPrints
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from IPython.utils import path
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from IPython.utils import py3compat
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from IPython.utils.tempdir import TemporaryDirectory
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# Platform-dependent imports
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try:
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import winreg as wreg
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except ImportError:
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#Fake _winreg module on non-windows platforms
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import types
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wr_name = "winreg"
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sys.modules[wr_name] = types.ModuleType(wr_name)
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try:
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import winreg as wreg
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except ImportError:
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import _winreg as wreg
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#Add entries that needs to be stubbed by the testing code
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(wreg.OpenKey, wreg.QueryValueEx,) = (None, None)
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#-----------------------------------------------------------------------------
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# Globals
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#-----------------------------------------------------------------------------
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env = os.environ
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TMP_TEST_DIR = tempfile.mkdtemp()
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HOME_TEST_DIR = join(TMP_TEST_DIR, "home_test_dir")
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#
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# Setup/teardown functions/decorators
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#
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def setup():
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"""Setup testenvironment for the module:
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- Adds dummy home dir tree
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"""
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# Do not mask exceptions here. In particular, catching WindowsError is a
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# problem because that exception is only defined on Windows...
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os.makedirs(os.path.join(HOME_TEST_DIR, 'ipython'))
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def teardown():
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"""Teardown testenvironment for the module:
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- Remove dummy home dir tree
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"""
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# Note: we remove the parent test dir, which is the root of all test
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# subdirs we may have created. Use shutil instead of os.removedirs, so
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# that non-empty directories are all recursively removed.
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shutil.rmtree(TMP_TEST_DIR)
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def setup_environment():
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"""Setup testenvironment for some functions that are tested
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in this module. In particular this functions stores attributes
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and other things that we need to stub in some test functions.
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This needs to be done on a function level and not module level because
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each testfunction needs a pristine environment.
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"""
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global oldstuff, platformstuff
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oldstuff = (env.copy(), os.name, sys.platform, path.get_home_dir, IPython.__file__, os.getcwd())
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def teardown_environment():
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"""Restore things that were remembered by the setup_environment function
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"""
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(oldenv, os.name, sys.platform, path.get_home_dir, IPython.__file__, old_wd) = oldstuff
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os.chdir(old_wd)
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reload(path)
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for key in list(env):
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if key not in oldenv:
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del env[key]
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env.update(oldenv)
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if hasattr(sys, 'frozen'):
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del sys.frozen
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# Build decorator that uses the setup_environment/setup_environment
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with_environment = with_setup(setup_environment, teardown_environment)
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@skip_if_not_win32
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@with_environment
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def test_get_home_dir_1():
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"""Testcase for py2exe logic, un-compressed lib
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"""
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unfrozen = path.get_home_dir()
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sys.frozen = True
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#fake filename for IPython.__init__
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IPython.__file__ = abspath(join(HOME_TEST_DIR, "Lib/IPython/__init__.py"))
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home_dir = path.get_home_dir()
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nt.assert_equal(home_dir, unfrozen)
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@skip_if_not_win32
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@with_environment
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def test_get_home_dir_2():
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"""Testcase for py2exe logic, compressed lib
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"""
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unfrozen = path.get_home_dir()
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sys.frozen = True
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#fake filename for IPython.__init__
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IPython.__file__ = abspath(join(HOME_TEST_DIR, "Library.zip/IPython/__init__.py")).lower()
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home_dir = path.get_home_dir(True)
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nt.assert_equal(home_dir, unfrozen)
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@with_environment
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def test_get_home_dir_3():
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"""get_home_dir() uses $HOME if set"""
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env["HOME"] = HOME_TEST_DIR
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home_dir = path.get_home_dir(True)
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# get_home_dir expands symlinks
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nt.assert_equal(home_dir, os.path.realpath(env["HOME"]))
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@with_environment
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def test_get_home_dir_4():
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"""get_home_dir() still works if $HOME is not set"""
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if 'HOME' in env: del env['HOME']
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# this should still succeed, but we don't care what the answer is
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home = path.get_home_dir(False)
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@with_environment
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def test_get_home_dir_5():
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"""raise HomeDirError if $HOME is specified, but not a writable dir"""
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env['HOME'] = abspath(HOME_TEST_DIR+'garbage')
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# set os.name = posix, to prevent My Documents fallback on Windows
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os.name = 'posix'
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nt.assert_raises(path.HomeDirError, path.get_home_dir, True)
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# Should we stub wreg fully so we can run the test on all platforms?
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@skip_if_not_win32
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@with_environment
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def test_get_home_dir_8():
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"""Using registry hack for 'My Documents', os=='nt'
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HOMESHARE, HOMEDRIVE, HOMEPATH, USERPROFILE and others are missing.
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"""
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os.name = 'nt'
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# Remove from stub environment all keys that may be set
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for key in ['HOME', 'HOMESHARE', 'HOMEDRIVE', 'HOMEPATH', 'USERPROFILE']:
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env.pop(key, None)
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class key:
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def Close(self):
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pass
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with patch.object(wreg, 'OpenKey', return_value=key()), \
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patch.object(wreg, 'QueryValueEx', return_value=[abspath(HOME_TEST_DIR)]):
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home_dir = path.get_home_dir()
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nt.assert_equal(home_dir, abspath(HOME_TEST_DIR))
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@with_environment
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def test_get_xdg_dir_0():
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"""test_get_xdg_dir_0, check xdg_dir"""
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reload(path)
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path._writable_dir = lambda path: True
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path.get_home_dir = lambda : 'somewhere'
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os.name = "posix"
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sys.platform = "linux2"
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env.pop('IPYTHON_DIR', None)
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env.pop('IPYTHONDIR', None)
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env.pop('XDG_CONFIG_HOME', None)
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nt.assert_equal(path.get_xdg_dir(), os.path.join('somewhere', '.config'))
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@with_environment
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def test_get_xdg_dir_1():
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"""test_get_xdg_dir_1, check nonexistant xdg_dir"""
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reload(path)
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path.get_home_dir = lambda : HOME_TEST_DIR
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os.name = "posix"
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sys.platform = "linux2"
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env.pop('IPYTHON_DIR', None)
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env.pop('IPYTHONDIR', None)
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env.pop('XDG_CONFIG_HOME', None)
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nt.assert_equal(path.get_xdg_dir(), None)
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@with_environment
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def test_get_xdg_dir_2():
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"""test_get_xdg_dir_2, check xdg_dir default to ~/.config"""
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reload(path)
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path.get_home_dir = lambda : HOME_TEST_DIR
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os.name = "posix"
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sys.platform = "linux2"
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env.pop('IPYTHON_DIR', None)
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env.pop('IPYTHONDIR', None)
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env.pop('XDG_CONFIG_HOME', None)
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cfgdir=os.path.join(path.get_home_dir(), '.config')
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if not os.path.exists(cfgdir):
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os.makedirs(cfgdir)
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nt.assert_equal(path.get_xdg_dir(), cfgdir)
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@with_environment
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def test_get_xdg_dir_3():
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"""test_get_xdg_dir_3, check xdg_dir not used on OS X"""
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reload(path)
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path.get_home_dir = lambda : HOME_TEST_DIR
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os.name = "posix"
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sys.platform = "darwin"
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env.pop('IPYTHON_DIR', None)
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env.pop('IPYTHONDIR', None)
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env.pop('XDG_CONFIG_HOME', None)
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cfgdir=os.path.join(path.get_home_dir(), '.config')
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if not os.path.exists(cfgdir):
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os.makedirs(cfgdir)
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nt.assert_equal(path.get_xdg_dir(), None)
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def test_filefind():
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"""Various tests for filefind"""
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f = tempfile.NamedTemporaryFile()
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# print 'fname:',f.name
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alt_dirs = paths.get_ipython_dir()
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t = path.filefind(f.name, alt_dirs)
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# print 'found:',t
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@dec.skip_if_not_win32
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def test_get_long_path_name_win32():
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with TemporaryDirectory() as tmpdir:
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# Make a long path. Expands the path of tmpdir prematurely as it may already have a long
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# path component, so ensure we include the long form of it
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long_path = os.path.join(path.get_long_path_name(tmpdir), 'this is my long path name')
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os.makedirs(long_path)
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# Test to see if the short path evaluates correctly.
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short_path = os.path.join(tmpdir, 'THISIS~1')
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evaluated_path = path.get_long_path_name(short_path)
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nt.assert_equal(evaluated_path.lower(), long_path.lower())
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@dec.skip_win32
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def test_get_long_path_name():
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p = path.get_long_path_name('/usr/local')
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nt.assert_equal(p,'/usr/local')
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@dec.skip_win32 # can't create not-user-writable dir on win
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@with_environment
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def test_not_writable_ipdir():
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tmpdir = tempfile.mkdtemp()
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os.name = "posix"
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env.pop('IPYTHON_DIR', None)
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env.pop('IPYTHONDIR', None)
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env.pop('XDG_CONFIG_HOME', None)
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env['HOME'] = tmpdir
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ipdir = os.path.join(tmpdir, '.ipython')
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os.mkdir(ipdir, 0o555)
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try:
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open(os.path.join(ipdir, "_foo_"), 'w').close()
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except IOError:
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pass
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else:
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# I can still write to an unwritable dir,
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# assume I'm root and skip the test
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raise SkipTest("I can't create directories that I can't write to")
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with AssertPrints('is not a writable location', channel='stderr'):
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ipdir = paths.get_ipython_dir()
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env.pop('IPYTHON_DIR', None)
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@with_environment
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def test_get_py_filename():
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os.chdir(TMP_TEST_DIR)
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with make_tempfile('foo.py'):
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nt.assert_equal(path.get_py_filename('foo.py'), 'foo.py')
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nt.assert_equal(path.get_py_filename('foo'), 'foo.py')
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with make_tempfile('foo'):
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nt.assert_equal(path.get_py_filename('foo'), 'foo')
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nt.assert_raises(IOError, path.get_py_filename, 'foo.py')
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nt.assert_raises(IOError, path.get_py_filename, 'foo')
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nt.assert_raises(IOError, path.get_py_filename, 'foo.py')
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true_fn = 'foo with spaces.py'
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with make_tempfile(true_fn):
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nt.assert_equal(path.get_py_filename('foo with spaces'), true_fn)
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nt.assert_equal(path.get_py_filename('foo with spaces.py'), true_fn)
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nt.assert_raises(IOError, path.get_py_filename, '"foo with spaces.py"')
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nt.assert_raises(IOError, path.get_py_filename, "'foo with spaces.py'")
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@onlyif_unicode_paths
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def test_unicode_in_filename():
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"""When a file doesn't exist, the exception raised should be safe to call
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str() on - i.e. in Python 2 it must only have ASCII characters.
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https://github.com/ipython/ipython/issues/875
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"""
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try:
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# these calls should not throw unicode encode exceptions
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path.get_py_filename('fooéè.py', force_win32=False)
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except IOError as ex:
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str(ex)
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class TestShellGlob(object):
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@classmethod
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def setUpClass(cls):
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cls.filenames_start_with_a = ['a0', 'a1', 'a2']
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cls.filenames_end_with_b = ['0b', '1b', '2b']
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cls.filenames = cls.filenames_start_with_a + cls.filenames_end_with_b
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cls.tempdir = TemporaryDirectory()
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td = cls.tempdir.name
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with cls.in_tempdir():
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# Create empty files
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for fname in cls.filenames:
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open(os.path.join(td, fname), 'w').close()
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@classmethod
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def tearDownClass(cls):
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cls.tempdir.cleanup()
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@classmethod
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@contextmanager
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def in_tempdir(cls):
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save = os.getcwd()
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try:
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os.chdir(cls.tempdir.name)
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yield
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finally:
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os.chdir(save)
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def check_match(self, patterns, matches):
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with self.in_tempdir():
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# glob returns unordered list. that's why sorted is required.
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nt.assert_equal(sorted(path.shellglob(patterns)),
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sorted(matches))
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def common_cases(self):
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return [
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(['*'], self.filenames),
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(['a*'], self.filenames_start_with_a),
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(['*c'], ['*c']),
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(['*', 'a*', '*b', '*c'], self.filenames
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+ self.filenames_start_with_a
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+ self.filenames_end_with_b
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+ ['*c']),
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(['a[012]'], self.filenames_start_with_a),
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]
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@skip_win32
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def test_match_posix(self):
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for (patterns, matches) in self.common_cases() + [
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([r'\*'], ['*']),
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([r'a\*', 'a*'], ['a*'] + self.filenames_start_with_a),
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([r'a\[012]'], ['a[012]']),
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]:
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yield (self.check_match, patterns, matches)
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@skip_if_not_win32
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def test_match_windows(self):
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for (patterns, matches) in self.common_cases() + [
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# In windows, backslash is interpreted as path
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# separator. Therefore, you can't escape glob
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# using it.
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([r'a\*', 'a*'], [r'a\*'] + self.filenames_start_with_a),
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([r'a\[012]'], [r'a\[012]']),
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]:
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yield (self.check_match, patterns, matches)
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def test_unescape_glob():
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nt.assert_equal(path.unescape_glob(r'\*\[\!\]\?'), '*[!]?')
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nt.assert_equal(path.unescape_glob(r'\\*'), r'\*')
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nt.assert_equal(path.unescape_glob(r'\\\*'), r'\*')
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nt.assert_equal(path.unescape_glob(r'\\a'), r'\a')
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nt.assert_equal(path.unescape_glob(r'\a'), r'\a')
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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, '∂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, 'ƒile')
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open(f, 'w').close() # touch
|
|
|
with nt.assert_raises(IOError):
|
|
|
path.ensure_dir_exists(f)
|
|
|
|
|
|
class TestLinkOrCopy(object):
|
|
|
def setUp(self):
|
|
|
self.tempdir = TemporaryDirectory()
|
|
|
self.src = self.dst("src")
|
|
|
with open(self.src, "w") as f:
|
|
|
f.write("Hello, world!")
|
|
|
|
|
|
def tearDown(self):
|
|
|
self.tempdir.cleanup()
|
|
|
|
|
|
def dst(self, *args):
|
|
|
return os.path.join(self.tempdir.name, *args)
|
|
|
|
|
|
def assert_inode_not_equal(self, a, b):
|
|
|
nt.assert_not_equal(os.stat(a).st_ino, os.stat(b).st_ino,
|
|
|
"%r and %r do reference the same indoes" %(a, b))
|
|
|
|
|
|
def assert_inode_equal(self, a, b):
|
|
|
nt.assert_equal(os.stat(a).st_ino, os.stat(b).st_ino,
|
|
|
"%r and %r do not reference the same indoes" %(a, b))
|
|
|
|
|
|
def assert_content_equal(self, a, b):
|
|
|
with open(a) as a_f:
|
|
|
with open(b) as b_f:
|
|
|
nt.assert_equal(a_f.read(), b_f.read())
|
|
|
|
|
|
@skip_win32
|
|
|
def test_link_successful(self):
|
|
|
dst = self.dst("target")
|
|
|
path.link_or_copy(self.src, dst)
|
|
|
self.assert_inode_equal(self.src, dst)
|
|
|
|
|
|
@skip_win32
|
|
|
def test_link_into_dir(self):
|
|
|
dst = self.dst("some_dir")
|
|
|
os.mkdir(dst)
|
|
|
path.link_or_copy(self.src, dst)
|
|
|
expected_dst = self.dst("some_dir", os.path.basename(self.src))
|
|
|
self.assert_inode_equal(self.src, expected_dst)
|
|
|
|
|
|
@skip_win32
|
|
|
def test_target_exists(self):
|
|
|
dst = self.dst("target")
|
|
|
open(dst, "w").close()
|
|
|
path.link_or_copy(self.src, dst)
|
|
|
self.assert_inode_equal(self.src, dst)
|
|
|
|
|
|
@skip_win32
|
|
|
def test_no_link(self):
|
|
|
real_link = os.link
|
|
|
try:
|
|
|
del os.link
|
|
|
dst = self.dst("target")
|
|
|
path.link_or_copy(self.src, dst)
|
|
|
self.assert_content_equal(self.src, dst)
|
|
|
self.assert_inode_not_equal(self.src, dst)
|
|
|
finally:
|
|
|
os.link = real_link
|
|
|
|
|
|
@skip_if_not_win32
|
|
|
def test_windows(self):
|
|
|
dst = self.dst("target")
|
|
|
path.link_or_copy(self.src, dst)
|
|
|
self.assert_content_equal(self.src, dst)
|
|
|
|
|
|
def test_link_twice(self):
|
|
|
# Linking the same file twice shouldn't leave duplicates around.
|
|
|
# See https://github.com/ipython/ipython/issues/6450
|
|
|
dst = self.dst('target')
|
|
|
path.link_or_copy(self.src, dst)
|
|
|
path.link_or_copy(self.src, dst)
|
|
|
self.assert_inode_equal(self.src, dst)
|
|
|
nt.assert_equal(sorted(os.listdir(self.tempdir.name)), ['src', 'target'])
|
|
|
|
