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from __future__ import annotations
import logging
import re
import cfgv
import pytest
import pre_commit.constants as C
from pre_commit.clientlib import check_type_tag
from pre_commit.clientlib import CONFIG_HOOK_DICT
from pre_commit.clientlib import CONFIG_REPO_DICT
from pre_commit.clientlib import CONFIG_SCHEMA
from pre_commit.clientlib import DEFAULT_LANGUAGE_VERSION
from pre_commit.clientlib import InvalidManifestError
from pre_commit.clientlib import load_manifest
from pre_commit.clientlib import MANIFEST_HOOK_DICT
from pre_commit.clientlib import MANIFEST_SCHEMA
from pre_commit.clientlib import META_HOOK_DICT
from pre_commit.clientlib import OptionalSensibleRegexAtHook
from pre_commit.clientlib import OptionalSensibleRegexAtTop
from pre_commit.clientlib import parse_version
from testing.fixtures import sample_local_config
def is_valid_according_to_schema(obj, obj_schema):
try:
cfgv.validate(obj, obj_schema)
return True
except cfgv.ValidationError:
return False
@pytest.mark.parametrize('value', ('definitely-not-a-tag', 'fiel'))
def test_check_type_tag_failures(value):
with pytest.raises(cfgv.ValidationError):
check_type_tag(value)
def test_check_type_tag_success():
check_type_tag('file')
@pytest.mark.parametrize(
'cfg',
(
{
'repos': [{
'repo': 'git@github.com:pre-commit/pre-commit-hooks',
'rev': 'cd74dc150c142c3be70b24eaf0b02cae9d235f37',
'hooks': [{'id': 'pyflakes', 'files': '\\.py$'}],
}],
},
{
'repos': [{
'repo': 'git@github.com:pre-commit/pre-commit-hooks',
'rev': 'cd74dc150c142c3be70b24eaf0b02cae9d235f37',
'hooks': [
{
'id': 'pyflakes',
'files': '\\.py$',
'args': ['foo', 'bar', 'baz'],
},
],
}],
},
),
)
def test_config_valid(cfg):
assert is_valid_according_to_schema(cfg, CONFIG_SCHEMA)
def test_invalid_config_wrong_type():
cfg = {
'repos': [{
'repo': 'git@github.com:pre-commit/pre-commit-hooks',
'rev': 'cd74dc150c142c3be70b24eaf0b02cae9d235f37',
'hooks': [
{
'id': 'pyflakes',
'files': '\\.py$',
# Exclude pattern must be a string
'exclude': 0,
'args': ['foo', 'bar', 'baz'],
},
],
}],
}
assert not is_valid_according_to_schema(cfg, CONFIG_SCHEMA)
def test_local_hooks_with_rev_fails():
config_obj = {'repos': [dict(sample_local_config(), rev='foo')]}
with pytest.raises(cfgv.ValidationError):
cfgv.validate(config_obj, CONFIG_SCHEMA)
def test_config_with_local_hooks_definition_passes():
config_obj = {'repos': [sample_local_config()]}
cfgv.validate(config_obj, CONFIG_SCHEMA)
def test_config_schema_does_not_contain_defaults():
"""Due to the way our merging works, if this schema has any defaults they
will clobber potentially useful values in the backing manifest. #227
"""
for item in CONFIG_HOOK_DICT.items:
assert not isinstance(item, cfgv.Optional)
def test_ci_map_key_allowed_at_top_level(caplog):
cfg = {
'ci': {'skip': ['foo']},
'repos': [{'repo': 'meta', 'hooks': [{'id': 'identity'}]}],
}
cfgv.validate(cfg, CONFIG_SCHEMA)
assert not caplog.record_tuples
def test_ci_key_must_be_map():
with pytest.raises(cfgv.ValidationError):
cfgv.validate({'ci': 'invalid', 'repos': []}, CONFIG_SCHEMA)
@pytest.mark.parametrize(
'rev',
(
'v0.12.4',
'b27f281',
'b27f281eb9398fc8504415d7fbdabf119ea8c5e1',
'19.10b0',
'4.3.21-2',
),
)
def test_warn_mutable_rev_ok(caplog, rev):
config_obj = {
'repo': 'https://gitlab.com/pycqa/flake8',
'rev': rev,
'hooks': [{'id': 'flake8'}],
}
cfgv.validate(config_obj, CONFIG_REPO_DICT)
assert caplog.record_tuples == []
@pytest.mark.parametrize(
'rev',
(
'',
'HEAD',
'stable',
'master',
'some_branch_name',
),
)
def test_warn_mutable_rev_invalid(caplog, rev):
config_obj = {
'repo': 'https://gitlab.com/pycqa/flake8',
'rev': rev,
'hooks': [{'id': 'flake8'}],
}
cfgv.validate(config_obj, CONFIG_REPO_DICT)
assert caplog.record_tuples == [
(
'pre_commit',
logging.WARNING,
"The 'rev' field of repo 'https://gitlab.com/pycqa/flake8' "
'appears to be a mutable reference (moving tag / branch). '
'Mutable references are never updated after first install and are '
'not supported. '
'See https://pre-commit.com/#using-the-latest-version-for-a-repository ' # noqa: E501
'for more details. '
'Hint: `pre-commit autoupdate` often fixes this.',
),
]
def test_warn_mutable_rev_conditional():
config_obj = {
'repo': 'meta',
'rev': '3.7.7',
'hooks': [{'id': 'flake8'}],
}
with pytest.raises(cfgv.ValidationError):
cfgv.validate(config_obj, CONFIG_REPO_DICT)
@pytest.mark.parametrize(
'validator_cls',
(
OptionalSensibleRegexAtHook,
OptionalSensibleRegexAtTop,
),
)
def test_sensible_regex_validators_dont_pass_none(validator_cls):
validator = validator_cls('files', cfgv.check_string)
with pytest.raises(cfgv.ValidationError) as excinfo:
validator.check({'files': None})
assert str(excinfo.value) == (
'\n'
'==> At key: files'
'\n'
'=====> Expected string got NoneType'
)
@pytest.mark.parametrize(
('regex', 'warning'),
(
(
r'dir/*.py',
"The 'files' field in hook 'flake8' is a regex, not a glob -- "
"matching '/*' probably isn't what you want here",
),
(
r'dir[\/].*\.py',
r"pre-commit normalizes slashes in the 'files' field in hook "
r"'flake8' to forward slashes, so you can use / instead of [\/]",
),
(
r'dir[/\\].*\.py',
r"pre-commit normalizes slashes in the 'files' field in hook "
r"'flake8' to forward slashes, so you can use / instead of [/\\]",
),
(
r'dir[\\/].*\.py',
r"pre-commit normalizes slashes in the 'files' field in hook "
r"'flake8' to forward slashes, so you can use / instead of [\\/]",
),
),
)
def test_validate_optional_sensible_regex_at_hook(caplog, regex, warning):
config_obj = {
'id': 'flake8',
'files': regex,
}
cfgv.validate(config_obj, CONFIG_HOOK_DICT)
assert caplog.record_tuples == [('pre_commit', logging.WARNING, warning)]
def test_validate_optional_sensible_regex_at_local_hook(caplog):
config_obj = sample_local_config()
config_obj['hooks'][0]['files'] = 'dir/*.py'
cfgv.validate(config_obj, CONFIG_REPO_DICT)
assert caplog.record_tuples == [
(
'pre_commit',
logging.WARNING,
"The 'files' field in hook 'do_not_commit' is a regex, not a glob "
"-- matching '/*' probably isn't what you want here",
),
]
def test_validate_optional_sensible_regex_at_meta_hook(caplog):
config_obj = {
'repo': 'meta',
'hooks': [{'id': 'identity', 'files': 'dir/*.py'}],
}
cfgv.validate(config_obj, CONFIG_REPO_DICT)
assert caplog.record_tuples == [
(
'pre_commit',
logging.WARNING,
"The 'files' field in hook 'identity' is a regex, not a glob "
"-- matching '/*' probably isn't what you want here",
),
]
@pytest.mark.parametrize(
('regex', 'warning'),
(
(
r'dir/*.py',
"The top-level 'files' field is a regex, not a glob -- "
"matching '/*' probably isn't what you want here",
),
(
r'dir[\/].*\.py',
r"pre-commit normalizes the slashes in the top-level 'files' "
r'field to forward slashes, so you can use / instead of [\/]',
),
(
r'dir[/\\].*\.py',
r"pre-commit normalizes the slashes in the top-level 'files' "
r'field to forward slashes, so you can use / instead of [/\\]',
),
(
r'dir[\\/].*\.py',
r"pre-commit normalizes the slashes in the top-level 'files' "
r'field to forward slashes, so you can use / instead of [\\/]',
),
),
)
def test_validate_optional_sensible_regex_at_top_level(caplog, regex, warning):
config_obj = {
'files': regex,
'repos': [],
}
cfgv.validate(config_obj, CONFIG_SCHEMA)
assert caplog.record_tuples == [('pre_commit', logging.WARNING, warning)]
def test_invalid_stages_error():
cfg = {'repos': [sample_local_config()]}
cfg['repos'][0]['hooks'][0]['stages'] = ['invalid']
with pytest.raises(cfgv.ValidationError) as excinfo:
cfgv.validate(cfg, CONFIG_SCHEMA)
assert str(excinfo.value) == (
'\n'
'==> At Config()\n'
'==> At key: repos\n'
"==> At Repository(repo='local')\n"
'==> At key: hooks\n'
"==> At Hook(id='do_not_commit')\n"
# this line was missing due to the custom validator
'==> At key: stages\n'
'==> At index 0\n'
"=====> Expected one of commit-msg, manual, post-checkout, post-commit, post-merge, post-rewrite, pre-commit, pre-merge-commit, pre-push, pre-rebase, prepare-commit-msg but got: 'invalid'" # noqa: E501
)
def test_warning_for_deprecated_stages(caplog):
config_obj = sample_local_config()
config_obj['hooks'][0]['stages'] = ['commit', 'push']
cfgv.validate(config_obj, CONFIG_REPO_DICT)
assert caplog.record_tuples == [
(
'pre_commit',
logging.WARNING,
'hook id `do_not_commit` uses deprecated stage names '
'(commit, push) which will be removed in a future version. '
'run: `pre-commit migrate-config` to automatically fix this.',
),
]
def test_no_warning_for_non_deprecated_stages(caplog):
config_obj = sample_local_config()
config_obj['hooks'][0]['stages'] = ['pre-commit', 'pre-push']
cfgv.validate(config_obj, CONFIG_REPO_DICT)
assert caplog.record_tuples == []
def test_warning_for_deprecated_default_stages(caplog):
cfg = {'default_stages': ['commit', 'push'], 'repos': []}
cfgv.validate(cfg, CONFIG_SCHEMA)
assert caplog.record_tuples == [
(
'pre_commit',
logging.WARNING,
'top-level `default_stages` uses deprecated stage names '
'(commit, push) which will be removed in a future version. '
'run: `pre-commit migrate-config` to automatically fix this.',
),
]
def test_no_warning_for_non_deprecated_default_stages(caplog):
cfg = {'default_stages': ['pre-commit', 'pre-push'], 'repos': []}
cfgv.validate(cfg, CONFIG_SCHEMA)
assert caplog.record_tuples == []
def test_unsupported_language_migration():
cfg = {'repos': [sample_local_config(), sample_local_config()]}
cfg['repos'][0]['hooks'][0]['language'] = 'system'
cfg['repos'][1]['hooks'][0]['language'] = 'script'
cfgv.validate(cfg, CONFIG_SCHEMA)
ret = cfgv.apply_defaults(cfg, CONFIG_SCHEMA)
assert ret['repos'][0]['hooks'][0]['language'] == 'unsupported'
assert ret['repos'][1]['hooks'][0]['language'] == 'unsupported_script'
def test_unsupported_language_migration_language_required():
cfg = {'repos': [sample_local_config()]}
del cfg['repos'][0]['hooks'][0]['language']
with pytest.raises(cfgv.ValidationError):
cfgv.validate(cfg, CONFIG_SCHEMA)
@pytest.mark.parametrize(
'manifest_obj',
(
[{
'id': 'a',
'name': 'b',
'entry': 'c',
'language': 'python',
'files': r'\.py$',
}],
[{
'id': 'a',
'name': 'b',
'entry': 'c',
'language': 'python',
'language_version': 'python3.4',
'files': r'\.py$',
}],
# A regression in 0.13.5: always_run and files are permissible
[{
'id': 'a',
'name': 'b',
'entry': 'c',
'language': 'python',
'files': '',
'always_run': True,
}],
),
)
def test_valid_manifests(manifest_obj):
assert is_valid_according_to_schema(manifest_obj, MANIFEST_SCHEMA)
@pytest.mark.parametrize(
'config_repo',
(
# i-dont-exist isn't a valid hook
{'repo': 'meta', 'hooks': [{'id': 'i-dont-exist'}]},
# invalid to set a language for a meta hook
{'repo': 'meta', 'hooks': [{'id': 'identity', 'language': 'python'}]},
# name override must be string
{'repo': 'meta', 'hooks': [{'id': 'identity', 'name': False}]},
pytest.param(
{
'repo': 'meta',
'hooks': [{'id': 'identity', 'entry': 'echo hi'}],
},
id='cannot override entry for meta hooks',
),
),
)
def test_meta_hook_invalid(config_repo):
with pytest.raises(cfgv.ValidationError):
cfgv.validate(config_repo, CONFIG_REPO_DICT)
def test_meta_check_hooks_apply_only_at_top_level():
cfg = {'id': 'check-hooks-apply'}
cfg = cfgv.apply_defaults(cfg, META_HOOK_DICT)
files_re = re.compile(cfg['files'])
assert files_re.search('.pre-commit-config.yaml')
assert not files_re.search('foo/.pre-commit-config.yaml')
@pytest.mark.parametrize(
'mapping',
(
# invalid language key
{'pony': '1.0'},
# not a string for version
{'python': 3},
),
)
def test_default_language_version_invalid(mapping):
with pytest.raises(cfgv.ValidationError):
cfgv.validate(mapping, DEFAULT_LANGUAGE_VERSION)
def test_parse_version():
assert parse_version('0.0') == parse_version('0.0')
assert parse_version('0.1') > parse_version('0.0')
assert parse_version('2.1') >= parse_version('2')
def test_minimum_pre_commit_version_failing():
cfg = {'repos': [], 'minimum_pre_commit_version': '999'}
with pytest.raises(cfgv.ValidationError) as excinfo:
cfgv.validate(cfg, CONFIG_SCHEMA)
assert str(excinfo.value) == (
f'\n'
f'==> At Config()\n'
f'==> At key: minimum_pre_commit_version\n'
f'=====> pre-commit version 999 is required but version {C.VERSION} '
f'is installed. Perhaps run `pip install --upgrade pre-commit`.'
)
def test_minimum_pre_commit_version_failing_in_config():
cfg = {'repos': [sample_local_config()]}
cfg['repos'][0]['hooks'][0]['minimum_pre_commit_version'] = '999'
with pytest.raises(cfgv.ValidationError) as excinfo:
cfgv.validate(cfg, CONFIG_SCHEMA)
assert str(excinfo.value) == (
f'\n'
f'==> At Config()\n'
f'==> At key: repos\n'
f"==> At Repository(repo='local')\n"
f'==> At key: hooks\n'
f"==> At Hook(id='do_not_commit')\n"
f'==> At key: minimum_pre_commit_version\n'
f'=====> pre-commit version 999 is required but version {C.VERSION} '
f'is installed. Perhaps run `pip install --upgrade pre-commit`.'
)
def test_minimum_pre_commit_version_failing_before_other_error():
cfg = {'repos': 5, 'minimum_pre_commit_version': '999'}
with pytest.raises(cfgv.ValidationError) as excinfo:
cfgv.validate(cfg, CONFIG_SCHEMA)
assert str(excinfo.value) == (
f'\n'
f'==> At Config()\n'
f'==> At key: minimum_pre_commit_version\n'
f'=====> pre-commit version 999 is required but version {C.VERSION} '
f'is installed. Perhaps run `pip install --upgrade pre-commit`.'
)
def test_minimum_pre_commit_version_passing():
cfg = {'repos': [], 'minimum_pre_commit_version': '0'}
cfgv.validate(cfg, CONFIG_SCHEMA)
@pytest.mark.parametrize('schema', (CONFIG_SCHEMA, CONFIG_REPO_DICT))
def test_warn_additional(schema):
allowed_keys = {item.key for item in schema.items if hasattr(item, 'key')}
warn_additional, = (
x for x in schema.items if isinstance(x, cfgv.WarnAdditionalKeys)
)
assert allowed_keys == set(warn_additional.keys)
def test_stages_migration_for_default_stages():
cfg = {
'default_stages': ['commit-msg', 'push', 'commit', 'merge-commit'],
'repos': [],
}
cfgv.validate(cfg, CONFIG_SCHEMA)
cfg = cfgv.apply_defaults(cfg, CONFIG_SCHEMA)
assert cfg['default_stages'] == [
'commit-msg', 'pre-push', 'pre-commit', 'pre-merge-commit',
]
def test_manifest_stages_defaulting():
dct = {
'id': 'fake-hook',
'name': 'fake-hook',
'entry': 'fake-hook',
'language': 'system',
'stages': ['commit-msg', 'push', 'commit', 'merge-commit'],
}
cfgv.validate(dct, MANIFEST_HOOK_DICT)
dct = cfgv.apply_defaults(dct, MANIFEST_HOOK_DICT)
assert dct['stages'] == [
'commit-msg', 'pre-push', 'pre-commit', 'pre-merge-commit',
]
def test_config_hook_stages_defaulting_missing():
dct = {'id': 'fake-hook'}
cfgv.validate(dct, CONFIG_HOOK_DICT)
dct = cfgv.apply_defaults(dct, CONFIG_HOOK_DICT)
assert dct == {'id': 'fake-hook'}
def test_config_hook_stages_defaulting():
dct = {
'id': 'fake-hook',
'stages': ['commit-msg', 'push', 'commit', 'merge-commit'],
}
cfgv.validate(dct, CONFIG_HOOK_DICT)
dct = cfgv.apply_defaults(dct, CONFIG_HOOK_DICT)
assert dct == {
'id': 'fake-hook',
'stages': ['commit-msg', 'pre-push', 'pre-commit', 'pre-merge-commit'],
}
def test_manifest_v5_forward_compat(tmp_path):
manifest = tmp_path.joinpath('.pre-commit-hooks.yaml')
manifest.write_text('hooks: {}')
with pytest.raises(InvalidManifestError) as excinfo:
load_manifest(manifest)
assert str(excinfo.value) == (
f'\n'
f'==> File {manifest}\n'
f'=====> \n'
f'=====> pre-commit version 5 is required but version {C.VERSION} '
f'is installed. Perhaps run `pip install --upgrade pre-commit`.'
)
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