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# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
import textwrap
from unittest import mock
import pycodestyle
import testtools
from keystoneauth1.hacking import checks
from keystoneauth1.tests.unit import keystoneauth_fixtures
class TestCheckOsloNamespaceImports(testtools.TestCase):
# We are patching pycodestyle so that only the check under test is actually
# installed.
@mock.patch('pycodestyle._checks',
{'physical_line': {}, 'logical_line': {}, 'tree': {}})
def run_check(self, code):
pycodestyle.register_check(checks.check_oslo_namespace_imports)
lines = textwrap.dedent(code).strip().splitlines(True)
checker = pycodestyle.Checker(lines=lines)
checker.check_all()
checker.report._deferred_print.sort()
return checker.report._deferred_print
def assert_has_errors(self, code, expected_errors=None):
actual_errors = [e[:3] for e in self.run_check(code)]
self.assertEqual(expected_errors or [], actual_errors)
def test(self):
code_ex = self.useFixture(keystoneauth_fixtures.HackingCode())
code = code_ex.oslo_namespace_imports['code']
errors = code_ex.oslo_namespace_imports['expected_errors']
self.assert_has_errors(code, expected_errors=errors)
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