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leverage mypy to check language implementations

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Anthony Sottile 2020-01-12 09:06:06 -08:00
parent 327ed924a3
commit 4eea90c26c
4 changed files with 69 additions and 114 deletions
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62
tests/languages/all_test.py
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@ -1,62 +0,0 @@
import inspect
from typing import Sequence
from typing import Tuple
import pytest
from pre_commit.languages.all import all_languages
from pre_commit.languages.all import languages
from pre_commit.prefix import Prefix
def _argspec(annotations):
args = [k for k in annotations if k != 'return']
return inspect.FullArgSpec(
args=args, annotations=annotations,
varargs=None, varkw=None, defaults=None,
kwonlyargs=[], kwonlydefaults=None,
)
@pytest.mark.parametrize('language', all_languages)
def test_install_environment_argspec(language):
expected_argspec = _argspec({
'return': None,
'prefix': Prefix,
'version': str,
'additional_dependencies': Sequence[str],
})
argspec = inspect.getfullargspec(languages[language].install_environment)
assert argspec == expected_argspec
@pytest.mark.parametrize('language', all_languages)
def test_ENVIRONMENT_DIR(language):
assert hasattr(languages[language], 'ENVIRONMENT_DIR')
@pytest.mark.parametrize('language', all_languages)
def test_run_hook_argspec(language):
expected_argspec = _argspec({
'return': Tuple[int, bytes],
'hook': 'Hook', 'file_args': Sequence[str], 'color': bool,
})
argspec = inspect.getfullargspec(languages[language].run_hook)
assert argspec == expected_argspec
@pytest.mark.parametrize('language', all_languages)
def test_get_default_version_argspec(language):
expected_argspec = _argspec({'return': str})
argspec = inspect.getfullargspec(languages[language].get_default_version)
assert argspec == expected_argspec
@pytest.mark.parametrize('language', all_languages)
def test_healthy_argspec(language):
expected_argspec = _argspec({
'return': bool,
'prefix': Prefix, 'language_version': str,
})
argspec = inspect.getfullargspec(languages[language].healthy)
assert argspec == expected_argspec