xonsh/tests/test_dirstack_unc.py
2016-09-02 13:51:35 -04:00

272 lines
9.7 KiB
Python

# -*- coding: utf-8 -*-
"""Testing dirstack"""
#from __future__ import unicode_literals, print_function
from contextlib import contextmanager
from functools import wraps
import os
import os.path
import subprocess
import builtins
import pytest
from xonsh import dirstack
from xonsh.environ import Env
from xonsh.built_ins import load_builtins
from xonsh.dirstack import DIRSTACK
from xonsh.platform import ON_WINDOWS
from xonsh.dirstack import _unc_tempDrives
HERE = os.path.abspath(os.path.dirname(__file__))
PARENT = os.path.dirname(HERE)
def drive_in_use(letter):
return ON_WINDOWS and os.system('vol {}: 2>nul>nul'.format(letter)) == 0
pytestmark = pytest.mark.skipif(any(drive_in_use(l) for l in 'ywzx'),
reason='Drive letters used by tests are '
'are already used by Windows.')
@pytest.yield_fixture(scope="module")
def shares_setup(tmpdir_factory):
"""create some shares to play with on current machine.
Yield (to test case) array of structs: [uncPath, driveLetter, equivLocalPath]
Side effect: `os.chdir(TEST_WORK_DIR)`
"""
if not ON_WINDOWS:
return []
shares = [[r'uncpushd_test_HERE', 'y:', HERE]
, [r'uncpushd_test_PARENT', 'w:', PARENT]]
for s, d, l in shares: # set up some shares on local machine. dirs already exist test case must invoke wd_setup.
subprocess.call(['NET', 'SHARE', s, '/delete'], universal_newlines=True) # clean up from previous run after good, long wait.
subprocess.call(['NET', 'SHARE', s + '=' + l], universal_newlines=True)
subprocess.call(['NET', 'USE', d, r"\\localhost" + '\\' + s], universal_newlines=True)
yield [[r"\\localhost" + '\\' + s[0], s[1], s[2]] for s in shares]
# we want to delete the test shares we've created, but can't do that if unc shares in DIRSTACK
# (left over from assert fail aborted test)
os.chdir(HERE)
for dl in _unc_tempDrives:
subprocess.call(['net', 'use', dl, '/delete'], universal_newlines=True)
for s, d, l in shares:
subprocess.call(['net', 'use', d, '/delete'], universal_newlines=True)
# subprocess.call(['net', 'share', s, '/delete'], universal_newlines=True) # fails with access denied,
# unless I wait > 10 sec. see http://stackoverflow.com/questions/38448413/access-denied-in-net-share-delete
def test_pushdpopd(xonsh_builtins):
"""Simple non-UNC push/pop to verify we didn't break nonUNC case.
"""
xonsh_builtins.__xonsh_env__ = Env(CDPATH=PARENT, PWD=HERE)
dirstack.cd([PARENT])
owd = os.getcwd()
assert owd.casefold() == xonsh_builtins.__xonsh_env__['PWD'].casefold()
dirstack.pushd([HERE])
wd = os.getcwd()
assert wd.casefold() == HERE.casefold()
dirstack.popd([])
assert owd.casefold() == os.getcwd().casefold(), "popd returned cwd to expected dir"
def test_cd_dot(xonsh_builtins):
xonsh_builtins.__xonsh_env__ = Env(PWD=os.getcwd())
owd = os.getcwd().casefold()
dirstack.cd(['.'])
assert owd == os.getcwd().casefold()
@pytest.mark.skipif( not ON_WINDOWS, reason="Windows-only UNC functionality")
def test_uncpushd_simple_push_pop(xonsh_builtins, shares_setup):
xonsh_builtins.__xonsh_env__ = Env(CDPATH=PARENT, PWD=HERE)
dirstack.cd([PARENT])
owd = os.getcwd()
assert owd.casefold() == xonsh_builtins.__xonsh_env__['PWD'].casefold()
dirstack.pushd([r'\\localhost\uncpushd_test_HERE'])
wd = os.getcwd()
assert os.path.splitdrive(wd)[0].casefold() == 'z:'
assert os.path.splitdrive(wd)[1].casefold() == '\\'
dirstack.popd([])
assert owd.casefold() == os.getcwd().casefold(), "popd returned cwd to expected dir"
assert len(_unc_tempDrives) == 0
@pytest.mark.skipif( not ON_WINDOWS, reason="Windows-only UNC functionality")
def test_uncpushd_push_to_same_share(xonsh_builtins):
xonsh_builtins.__xonsh_env__ = Env(CDPATH=PARENT, PWD=HERE)
dirstack.cd([PARENT])
owd = os.getcwd()
assert owd.casefold() == xonsh_builtins.__xonsh_env__['PWD'].casefold()
dirstack.pushd([r'\\localhost\uncpushd_test_HERE'])
wd = os.getcwd()
assert os.path.splitdrive(wd)[0].casefold() == 'z:'
assert os.path.splitdrive(wd)[1].casefold() == '\\'
assert len(_unc_tempDrives) == 1
assert len(DIRSTACK) == 1
dirstack.pushd([r'\\localhost\uncpushd_test_HERE'])
wd = os.getcwd()
assert os.path.splitdrive(wd)[0].casefold() == 'z:'
assert os.path.splitdrive(wd)[1].casefold() == '\\'
assert len(_unc_tempDrives) == 1
assert len(DIRSTACK) == 2
dirstack.popd([])
assert os.path.isdir('z:\\'), "Temp drived not unmapped till last reference removed"
dirstack.popd([])
assert owd.casefold() == os.getcwd().casefold(), "popd returned cwd to expected dir"
assert len(_unc_tempDrives) == 0
@pytest.mark.skipif( not ON_WINDOWS, reason="Windows-only UNC functionality")
def test_uncpushd_push_other_push_same(xonsh_builtins):
"""push to a, then to b. verify is w:, skipping already used y:
Then push to a again. Pop (check b unmapped and a still mapped), pop, pop (check a is unmapped)"""
xonsh_builtins.__xonsh_env__ = Env(CDPATH=PARENT, PWD=HERE)
dirstack.cd([PARENT])
owd = os.getcwd()
assert owd.casefold() == xonsh_builtins.__xonsh_env__['PWD'].casefold()
dirstack.pushd([r'\\localhost\uncpushd_test_HERE'])
assert os.getcwd().casefold() == 'z:\\'
assert len(_unc_tempDrives) == 1
assert len(DIRSTACK) == 1
dirstack.pushd([r'\\localhost\uncpushd_test_PARENT'])
wd = os.getcwd()
assert os.getcwd().casefold() == 'x:\\'
assert len(_unc_tempDrives) == 2
assert len(DIRSTACK) == 2
dirstack.pushd([r'\\localhost\uncpushd_test_HERE'])
assert os.getcwd().casefold() == 'z:\\'
assert len(_unc_tempDrives) == 2
assert len(DIRSTACK) == 3
dirstack.popd([])
assert os.getcwd().casefold() == 'x:\\'
assert len(_unc_tempDrives) == 2
assert len(DIRSTACK) == 2
assert os.path.isdir('x:\\')
assert os.path.isdir('z:\\')
dirstack.popd([])
assert os.getcwd().casefold() == 'z:\\'
assert len(_unc_tempDrives) == 1
assert len(DIRSTACK) == 1
assert not os.path.isdir('x:\\')
assert os.path.isdir('z:\\')
dirstack.popd([])
assert os.getcwd().casefold() == owd.casefold()
assert len(_unc_tempDrives) == 0
assert len(DIRSTACK) == 0
assert not os.path.isdir('x:\\')
assert not os.path.isdir('z:\\')
@pytest.mark.skipif( not ON_WINDOWS, reason="Windows-only UNC functionality")
def test_uncpushd_push_base_push_rempath(xonsh_builtins):
"""push to subdir under share, verify mapped path includes subdir"""
pass
#really? Need to cut-and-paste 2 flavors of this? yield_fixture requires yield in defined function body, not callee
@pytest.yield_fixture()
def with_unc_check_enabled():
if not ON_WINDOWS:
return
import winreg
old_wval = 0
key = winreg.OpenKey(winreg.HKEY_CURRENT_USER, r'software\microsoft\command processor', access=winreg.KEY_WRITE)
try:
wval, wtype = winreg.QueryValueEx(key, 'DisableUNCCheck')
old_wval = wval # if values was defined at all
except OSError as e:
pass
winreg.SetValueEx(key, 'DisableUNCCheck', None, winreg.REG_DWORD, 0)
winreg.CloseKey(key)
yield old_wval
key = winreg.OpenKey(winreg.HKEY_CURRENT_USER, r'software\microsoft\command processor', access=winreg.KEY_WRITE)
winreg.SetValueEx(key, 'DisableUNCCheck', None, winreg.REG_DWORD, old_wval)
winreg.CloseKey(key)
@pytest.yield_fixture()
def with_unc_check_disabled(): # just like the above, but value is 1 to *disable* unc check
if not ON_WINDOWS:
return
import winreg
old_wval = 0
key = winreg.OpenKey(winreg.HKEY_CURRENT_USER, r'software\microsoft\command processor', access=winreg.KEY_WRITE)
try:
wval, wtype = winreg.QueryValueEx(key, 'DisableUNCCheck')
old_wval = wval # if values was defined at all
except OSError as e:
pass
winreg.SetValueEx(key, 'DisableUNCCheck', None, winreg.REG_DWORD, 1)
winreg.CloseKey(key)
yield old_wval
key = winreg.OpenKey(winreg.HKEY_CURRENT_USER, r'software\microsoft\command processor', access=winreg.KEY_WRITE)
winreg.SetValueEx(key, 'DisableUNCCheck', None, winreg.REG_DWORD, old_wval)
winreg.CloseKey(key)
@pytest.fixture()
def xonsh_builtins_cd(xonsh_builtins):
xonsh_builtins.__xonsh_env__['PWD'] = os.getcwd()
xonsh_builtins.__xonsh_env__['DIRSTACK_SIZE'] = 20
return xonsh_builtins
@pytest.mark.skipif(not ON_WINDOWS, reason="Windows-only UNC functionality")
def test_uncpushd_cd_unc_auto_pushd(xonsh_builtins_cd, with_unc_check_enabled):
xonsh_builtins_cd.__xonsh_env__['AUTO_PUSHD'] = True
so, se, rc = dirstack.cd([r'\\localhost\uncpushd_test_PARENT'])
assert rc == 0
assert os.getcwd().casefold() == 'z:\\'
assert len(DIRSTACK) == 1
assert os.path.isdir('z:\\')
@pytest.mark.skipif(not ON_WINDOWS, reason="Windows-only UNC functionality")
def test_uncpushd_cd_unc_nocheck(xonsh_builtins_cd, with_unc_check_disabled):
dirstack.cd([r'\\localhost\uncpushd_test_HERE'])
assert os.getcwd().casefold() == r'\\localhost\uncpushd_test_here'
@pytest.mark.skipif(not ON_WINDOWS, reason="Windows-only UNC functionality")
def test_uncpushd_cd_unc_no_auto_pushd(xonsh_builtins_cd, with_unc_check_enabled):
so, se, rc = dirstack.cd([r'\\localhost\uncpushd_test_PARENT'])
assert rc != 0
assert so is None or len(so) == 0
assert 'disableunccheck' in se.casefold() and 'auto_pushd' in se.casefold()
@pytest.mark.skipif(not ON_WINDOWS, reason="Windows-only UNC functionality")
def test_uncpushd_unc_check():
# emminently suited to mocking, but I don't know how
# need to verify unc_check_enabled correct whether values set in HKCU or HKLM
pass