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import os.path
import sys
from unittest import mock
import pytest
import pre_commit.constants as C
from pre_commit.languages import python
from pre_commit.prefix import Prefix
def test_norm_version_expanduser():
home = os.path.expanduser('~')
if os.name == 'nt': # pragma: nt cover
path = r'~\python343'
expected_path = fr'{home}\python343'
else: # pragma: nt no cover
path = '~/.pyenv/versions/3.4.3/bin/python'
expected_path = f'{home}/.pyenv/versions/3.4.3/bin/python'
result = python.norm_version(path)
assert result == expected_path
@pytest.mark.parametrize('v', ('python3.6', 'python3', 'python'))
def test_sys_executable_matches(v):
with mock.patch.object(sys, 'version_info', (3, 6, 7)):
assert python._sys_executable_matches(v)
@pytest.mark.parametrize('v', ('notpython', 'python3.x'))
def test_sys_executable_matches_does_not_match(v):
with mock.patch.object(sys, 'version_info', (3, 6, 7)):
assert not python._sys_executable_matches(v)
@pytest.mark.parametrize(
('exe', 'realpath', 'expected'), (
('/usr/bin/python3', '/usr/bin/python3.7', 'python3'),
('/usr/bin/python', '/usr/bin/python3.7', 'python3.7'),
('/usr/bin/python', '/usr/bin/python', None),
('/usr/bin/python3.6m', '/usr/bin/python3.6m', 'python3.6m'),
('v/bin/python', 'v/bin/pypy', 'pypy'),
),
)
def test_find_by_sys_executable(exe, realpath, expected):
with mock.patch.object(sys, 'executable', exe):
with mock.patch.object(os.path, 'realpath', return_value=realpath):
with mock.patch.object(python, 'find_executable', lambda x: x):
assert python._find_by_sys_executable() == expected
def test_healthy_types_py_in_cwd(tmpdir):
with tmpdir.as_cwd():
prefix = tmpdir.join('prefix').ensure_dir()
prefix.join('setup.py').write('import setuptools; setuptools.setup()')
prefix = Prefix(str(prefix))
python.install_environment(prefix, C.DEFAULT, ())
# even if a `types.py` file exists, should still be healthy
tmpdir.join('types.py').ensure()
assert python.healthy(prefix, C.DEFAULT) is True
def test_healthy_python_goes_missing(tmpdir):
with tmpdir.as_cwd():
prefix = tmpdir.join('prefix').ensure_dir()
prefix.join('setup.py').write('import setuptools; setuptools.setup()')
prefix = Prefix(str(prefix))
python.install_environment(prefix, C.DEFAULT, ())
exe_name = 'python' if sys.platform != 'win32' else 'python.exe'
py_exe = prefix.path(python.bin_dir('py_env-default'), exe_name)
os.remove(py_exe)
assert python.healthy(prefix, C.DEFAULT) is False
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