Files
jedi/test/test_api/test_environment.py

96 lines
2.8 KiB
Python

import os
import sys
from contextlib import contextmanager
import pytest
import jedi
from jedi._compatibility import py_version
from jedi.api.environment import Environment, get_default_environment, \
InvalidPythonEnvironment, find_python_environments
def test_sys_path():
assert get_default_environment().get_sys_path()
def test_find_python_environments():
envs = list(find_python_environments())
assert len(envs)
for env in envs:
assert env.version_info
assert env.get_sys_path()
parser_version = env.get_grammar().version_info
assert parser_version[:2] == env.version_info[:2]
@pytest.mark.parametrize(
'version',
['2.7', '3.3', '3.4', '3.5', '3.6', '3.7']
)
def test_versions(version):
executable = 'python' + version
try:
env = Environment('some path', executable)
except InvalidPythonEnvironment:
if int(version.replace('.', '')) == py_version:
# At least the current version has to work
raise
return
sys_path = env.get_sys_path()
assert any(executable in p for p in sys_path)
def test_load_module(evaluator):
access_path = evaluator.compiled_subprocess.load_module(name=u'math')
name, access_handle = access_path.accesses[0]
assert access_handle.py__bool__() is True
assert access_handle.get_api_type() == 'module'
with pytest.raises(AttributeError):
access_handle.py__mro__()
def test_error_in_environment(evaluator, Script):
# Provoke an error to show how Jedi can recover from it.
with pytest.raises(jedi.InternalError):
evaluator.compiled_subprocess._test_raise_error(KeyboardInterrupt)
# The second time it should raise an InternalError again.
with pytest.raises(jedi.InternalError):
evaluator.compiled_subprocess._test_raise_error(KeyboardInterrupt)
# Jedi should still work.
def_, = Script('str').goto_definitions()
assert def_.name == 'str'
def test_killed_subprocess(evaluator, Script):
# Just kill the subprocess.
evaluator.compiled_subprocess._compiled_subprocess._process.kill()
# Since the process was terminated (and nobody knows about it) the first
# Jedi call fails.
with pytest.raises(jedi.InternalError):
Script('str').goto_definitions()
def_, = Script('str').goto_definitions()
# Jedi should now work again.
assert def_.name == 'str'
@contextmanager
def set_environment_variable(name, value):
tmp = os.environ.get(name)
try:
os.environ[name] = value
yield
finally:
if tmp is None:
del os.environ[name]
else:
os.environ[name] = tmp
def test_virtualenv():
with set_environment_variable('VIRTUAL_ENV', '/foo/bar/jedi_baz'):
assert get_default_environment()._executable == sys.executable