gecko-dev/python/virtualenv/tests/test_virtualenv.py

140 строки
4.9 KiB
Python

import virtualenv
import optparse
import os
import shutil
import sys
import tempfile
import pytest
import platform # noqa
from mock import patch, Mock
def test_version():
"""Should have a version string"""
assert virtualenv.virtualenv_version, "Should have version"
@patch('os.path.exists')
def test_resolve_interpreter_with_absolute_path(mock_exists):
"""Should return absolute path if given and exists"""
mock_exists.return_value = True
virtualenv.is_executable = Mock(return_value=True)
test_abs_path = os.path.abspath("/usr/bin/python53")
exe = virtualenv.resolve_interpreter(test_abs_path)
assert exe == test_abs_path, "Absolute path should return as is"
mock_exists.assert_called_with(test_abs_path)
virtualenv.is_executable.assert_called_with(test_abs_path)
@patch('os.path.exists')
def test_resolve_interpreter_with_nonexistent_interpreter(mock_exists):
"""Should SystemExit with an nonexistent python interpreter path"""
mock_exists.return_value = False
with pytest.raises(SystemExit):
virtualenv.resolve_interpreter("/usr/bin/python53")
mock_exists.assert_called_with("/usr/bin/python53")
@patch('os.path.exists')
def test_resolve_interpreter_with_invalid_interpreter(mock_exists):
"""Should exit when with absolute path if not exists"""
mock_exists.return_value = True
virtualenv.is_executable = Mock(return_value=False)
invalid = os.path.abspath("/usr/bin/pyt_hon53")
with pytest.raises(SystemExit):
virtualenv.resolve_interpreter(invalid)
mock_exists.assert_called_with(invalid)
virtualenv.is_executable.assert_called_with(invalid)
def test_activate_after_future_statements():
"""Should insert activation line after last future statement"""
script = [
'#!/usr/bin/env python',
'from __future__ import with_statement',
'from __future__ import print_function',
'print("Hello, world!")'
]
assert virtualenv.relative_script(script) == [
'#!/usr/bin/env python',
'from __future__ import with_statement',
'from __future__ import print_function',
'',
"import os; activate_this=os.path.join(os.path.dirname(os.path.realpath(__file__)), 'activate_this.py'); exec(compile(open(activate_this).read(), activate_this, 'exec'), dict(__file__=activate_this)); del os, activate_this",
'',
'print("Hello, world!")'
]
def test_cop_update_defaults_with_store_false():
"""store_false options need reverted logic"""
class MyConfigOptionParser(virtualenv.ConfigOptionParser):
def __init__(self, *args, **kwargs):
self.config = virtualenv.ConfigParser.RawConfigParser()
self.files = []
optparse.OptionParser.__init__(self, *args, **kwargs)
def get_environ_vars(self, prefix='VIRTUALENV_'):
yield ("no_site_packages", "1")
cop = MyConfigOptionParser()
cop.add_option(
'--no-site-packages',
dest='system_site_packages',
action='store_false',
help="Don't give access to the global site-packages dir to the "
"virtual environment (default)")
defaults = {}
cop.update_defaults(defaults)
assert defaults == {'system_site_packages': 0}
def test_install_python_bin():
"""Should create the right python executables and links"""
tmp_virtualenv = tempfile.mkdtemp()
try:
home_dir, lib_dir, inc_dir, bin_dir = \
virtualenv.path_locations(tmp_virtualenv)
virtualenv.install_python(home_dir, lib_dir, inc_dir, bin_dir, False,
False)
if virtualenv.is_win:
required_executables = [ 'python.exe', 'pythonw.exe']
else:
py_exe_no_version = 'python'
py_exe_version_major = 'python%s' % sys.version_info[0]
py_exe_version_major_minor = 'python%s.%s' % (
sys.version_info[0], sys.version_info[1])
required_executables = [ py_exe_no_version, py_exe_version_major,
py_exe_version_major_minor ]
for pth in required_executables:
assert os.path.exists(os.path.join(bin_dir, pth)), ("%s should "
"exist in bin_dir" % pth)
finally:
shutil.rmtree(tmp_virtualenv)
@pytest.mark.skipif("platform.python_implementation() == 'PyPy'")
def test_always_copy_option():
"""Should be no symlinks in directory tree"""
tmp_virtualenv = tempfile.mkdtemp()
ve_path = os.path.join(tmp_virtualenv, 'venv')
try:
virtualenv.create_environment(ve_path, symlink=False)
for root, dirs, files in os.walk(tmp_virtualenv):
for f in files + dirs:
full_name = os.path.join(root, f)
assert not os.path.islink(full_name), "%s should not be a" \
" symlink (to %s)" % (full_name, os.readlink(full_name))
finally:
shutil.rmtree(tmp_virtualenv)