Files
django-migration-linter/tests/functional/test_cache.py
T
2018-12-18 15:33:26 +01:00

86 lines
3.0 KiB
Python

# Copyright 2018 3YOURMIND GmbH
# 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 os
import shutil
import tempfile
import unittest
from unittest import mock
from django_migration_linter.utils import get_default_cache_file
from tests import fixtures
from django_migration_linter import MigrationLinter
from tests.fixtures import ADD_NOT_NULL_COLUMN_PROJECT
class CacheTest(unittest.TestCase):
MIGRATION_FILE = os.path.join(ADD_NOT_NULL_COLUMN_PROJECT, 'test_app', 'migrations', '0001_create_table.py')
fd, temp_path = tempfile.mkstemp()
def setUp(self):
shutil.copy2(self.MIGRATION_FILE, self.temp_path)
def tearDown(self):
shutil.copy2(self.temp_path, self.MIGRATION_FILE)
os.remove(self.temp_path)
def test_cache_normal(self):
if os.path.exists(get_default_cache_file('test_project_add_not_null_column')):
os.remove(get_default_cache_file('test_project_add_not_null_column'))
linter = MigrationLinter(fixtures.ADD_NOT_NULL_COLUMN_PROJECT)
linter.lint_all_migrations()
cache = linter.get_cache()
self.assertEqual(cache['hash']['result'], 'OK')
self.assertEqual(cache['hashERR']['result'], 'ERR')
self.assertDictEqual(cache['hashERR']['errors'], ...)
with mock.patch(
'subprocess.Popen'
) as popen_mock:
linter.lint_all_migrations()
self.assertEqual(popen_mock.call_count, 2)
with mock.patch(
'subprocess.Popen'
) as popen_mock:
linter.lint_all_migrations()
self.assertEqual(popen_mock.call_count, 0)
self.assertFalse(linter.has_errors())
def test_cache_ignored(self):
pass
def test_cache_modified(self):
if os.path.exists(get_default_cache_file('test_project_add_not_null_column')):
os.remove(get_default_cache_file('test_project_add_not_null_column'))
linter = MigrationLinter(fixtures.ADD_NOT_NULL_COLUMN_PROJECT)
linter.lint_all_migrations()
cache = linter.get_cache()
self.assertEqual(cache['hash']['result'], 'OK')
self.assertEqual(cache['hashERR']['result'], 'ERR')
self.assertDictEqual(cache['hashERR']['errors'], ...)
with open( self.MIGRATION_FILE, "a") as f:
f.write("# modification at the end of the file\n")
linter.lint_all_migrations()
cache = linter.get_cache()
self.assertNotIn('hash', cache)
self.assertEqual(cache['newhash']['result'], 'OK')