def test_unhealthy_then_replaced(python_dir):
prefix, tmpdir = python_dir
python.install_environment(prefix, C.DEFAULT, ())
# simulate an exe which returns an old version
exe_name = win_exe('python')
py_exe = prefix.path(python.bin_dir('py_env-default'), exe_name)
os.rename(py_exe, f'{py_exe}.tmp')
with open(py_exe, 'w') as f:
f.write('#!/usr/bin/env bash\necho 1.2.3\n')
make_executable(py_exe)
# should be unhealthy due to version mismatch
ret = python.health_check(prefix, C.DEFAULT)
assert ret == (
f'virtualenv python version did not match created version:\n'
f'- actual version: 1.2.3\n'
f'- expected version: {python._version_info(sys.executable)}\n')
# now put the exe back and it should be healthy again
os.replace(f'{py_exe}.tmp', py_exe)
assert python.health_check(prefix, C.DEFAULT) is None
def test_healthy_venv_creator(python_dir):
# venv creator produces slightly different pyvenv.cfg
prefix, tmpdir = python_dir
with envcontext((('VIRTUALENV_CREATOR', 'venv'), )):
python.install_environment(prefix, C.DEFAULT, ())
assert python.healthy(prefix, C.DEFAULT) is True
def test_unhealthy_old_virtualenv(python_dir):
prefix, tmpdir = python_dir
python.install_environment(prefix, C.DEFAULT, ())
# simulate "old" virtualenv by deleting this file
os.remove(prefix.path('py_env-default/pyvenv.cfg'))
assert python.healthy(prefix, C.DEFAULT) is False
def test_unhealthy_system_version_changes(python_dir):
prefix, tmpdir = python_dir
python.install_environment(prefix, C.DEFAULT, ())
with open(prefix.path('py_env-default/pyvenv.cfg'), 'a') as f:
f.write('base-executable = /does/not/exist\n')
assert python.healthy(prefix, C.DEFAULT) is False
def test_unhealthy_with_version_change(python_dir):
prefix, tmpdir = python_dir
python.install_environment(prefix, C.DEFAULT, ())
with open(prefix.path('py_env-default/pyvenv.cfg'), 'w') as f:
f.write('version_info = 1.2.3\n')
assert python.healthy(prefix, C.DEFAULT) is False
def test_unhealthy_python_goes_missing(python_dir):
prefix, tmpdir = python_dir
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
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_unhealthy_old_virtualenv(python_dir):
prefix, tmpdir = python_dir
python.install_environment(prefix, C.DEFAULT, ())
# simulate "old" virtualenv by deleting this file
os.remove(prefix.path('py_env-default/pyvenv.cfg'))
ret = python.health_check(prefix, C.DEFAULT)
assert ret == 'pyvenv.cfg does not exist (old virtualenv?)'
def test_healthy_default_creator(python_dir):
prefix, tmpdir = python_dir
python.install_environment(prefix, C.DEFAULT, ())
# should be healthy right after creation
assert python.healthy(prefix, C.DEFAULT) is True
# 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_unhealthy_unexpected_pyvenv(python_dir):
prefix, tmpdir = python_dir
python.install_environment(prefix, C.DEFAULT, ())
# simulate a buggy environment build (I don't think this is possible)
with open(prefix.path('py_env-default/pyvenv.cfg'), 'w'):
pass
ret = python.health_check(prefix, C.DEFAULT)
assert ret == "created virtualenv's pyvenv.cfg is missing `version_info`"
def test_unhealthy_system_version_changes(python_dir):
prefix, tmpdir = python_dir
python.install_environment(prefix, C.DEFAULT, ())
with open(prefix.path('py_env-default/pyvenv.cfg'), 'a') as f:
f.write('base-executable = /does/not/exist\n')
ret = python.health_check(prefix, C.DEFAULT)
assert ret == (
f'base executable python version does not match created version:\n'
f'- base-executable version: <<error retrieving version from /does/not/exist>>\n' # noqa: E501
f'- expected version: {python._version_info(sys.executable)}\n')
def test_unhealthy_with_version_change(python_dir):
prefix, tmpdir = python_dir
python.install_environment(prefix, C.DEFAULT, ())
with open(prefix.path('py_env-default/pyvenv.cfg'), 'a+') as f:
f.write('version_info = 1.2.3\n')
ret = python.health_check(prefix, C.DEFAULT)
assert ret == (
f'virtualenv python version did not match created version:\n'
f'- actual version: {python._version_info(sys.executable)}\n'
f'- expected version: 1.2.3\n')
def test_unhealthy_python_goes_missing(python_dir):
prefix, tmpdir = python_dir
python.install_environment(prefix, C.DEFAULT, ())
exe_name = win_exe('python')
py_exe = prefix.path(python.bin_dir('py_env-default'), exe_name)
os.remove(py_exe)
ret = python.health_check(prefix, C.DEFAULT)
assert ret == (
f'virtualenv python version did not match created version:\n'
f'- actual version: <<error retrieving version from {py_exe}>>\n'
f'- expected version: {python._version_info(sys.executable)}\n')
def test_unhealthy_then_replaced(python_dir):
prefix, tmpdir = python_dir
python.install_environment(prefix, C.DEFAULT, ())
# simulate an exe which returns an old version
exe_name = 'python.exe' if sys.platform == 'win32' else 'python'
py_exe = prefix.path(python.bin_dir('py_env-default'), exe_name)
os.rename(py_exe, f'{py_exe}.tmp')
with open(py_exe, 'w') as f:
f.write('#!/usr/bin/env bash\necho 1.2.3\n')
make_executable(py_exe)
# should be unhealthy due to version mismatch
assert python.healthy(prefix, C.DEFAULT) is False
# now put the exe back and it should be healthy again
os.replace(f'{py_exe}.tmp', py_exe)
assert python.healthy(prefix, C.DEFAULT) is True
