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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 ast
import importlib
import os
import shutil
import sys
import tempfile
from unittest import mock
from tempest.lib.cmd import check_uuid
from tempest.tests import base
class TestCLInterface(base.TestCase):
CODE = "import unittest\n" \
"class TestClass(unittest.TestCase):\n" \
" def test_tests(self):\n" \
" pass"
def setUp(self):
super(TestCLInterface, self).setUp()
self.directory = tempfile.mkdtemp(prefix='check-uuid', dir=".")
self.addCleanup(shutil.rmtree, self.directory, ignore_errors=True)
init_file = open(self.directory + "/__init__.py", "w")
init_file.close()
self.tests_file = self.directory + "/tests.py"
with open(self.tests_file, "w") as fake_file:
fake_file.write(TestCLInterface.CODE)
fake_file.close()
def test_fix_argument_no(self):
sys.argv = [sys.argv[0]] + ["--package",
os.path.relpath(self.directory)]
self.assertRaises(SystemExit, check_uuid.run)
with open(self.tests_file, "r") as f:
self.assertTrue(TestCLInterface.CODE == f.read())
def test_fix_argument_yes(self):
sys.argv = [sys.argv[0]] + ["--fix", "--package",
os.path.relpath(self.directory)]
check_uuid.run()
with open(self.tests_file, "r") as f:
self.assertTrue(TestCLInterface.CODE != f.read())
class TestSourcePatcher(base.TestCase):
def test_add_patch(self):
patcher = check_uuid.SourcePatcher()
fake_file = tempfile.NamedTemporaryFile("w+t", delete=False)
file_contents = 'first_line\nsecond_line'
fake_file.write(file_contents)
fake_file.close()
patcher.add_patch(fake_file.name, 'patch', 2)
source_file = patcher.source_files[fake_file.name]
self.assertEqual(1, len(patcher.patches))
(patch_id, patch), = patcher.patches.items()
self.assertEqual(patcher._quote('patch\n'), patch)
self.assertEqual('first_line\n{%s:s}second_line' % patch_id,
patcher._unquote(source_file))
def test_apply_patches(self):
fake_file = tempfile.NamedTemporaryFile("w+t")
patcher = check_uuid.SourcePatcher()
patcher.patches = {'fake-uuid': patcher._quote('patch\n')}
patcher.source_files = {
fake_file.name: patcher._quote('first_line\n') +
'{fake-uuid:s}second_line'}
with mock.patch('sys.stdout'):
patcher.apply_patches()
lines = fake_file.read().split('\n')
fake_file.close()
self.assertEqual(['first_line', 'patch', 'second_line'], lines)
self.assertFalse(patcher.patches)
self.assertFalse(patcher.source_files)
class TestTestChecker(base.TestCase):
IMPORT_LINE = "from tempest.lib import decorators\n"
def _test_add_uuid_to_test(self, source_file):
class Fake_test_node():
lineno = 1
col_offset = 4
patcher = check_uuid.SourcePatcher()
checker = check_uuid.TestChecker(importlib.import_module('tempest'))
fake_file = tempfile.NamedTemporaryFile("w+t", delete=False)
fake_file.write(source_file)
fake_file.close()
checker._add_uuid_to_test(patcher, Fake_test_node(), fake_file.name)
self.assertEqual(1, len(patcher.patches))
self.assertEqual(1, len(patcher.source_files))
(patch_id, patch), = patcher.patches.items()
changed_source_file, = patcher.source_files.values()
self.assertEqual('{%s:s}%s' % (patch_id, patcher._quote(source_file)),
changed_source_file)
expected_patch_start = patcher._quote(
' ' + check_uuid.DECORATOR_TEMPLATE.split('(')[0])
self.assertTrue(patch.startswith(expected_patch_start))
def test_add_uuid_to_test_def(self):
source_file = (" def test_test():\n"
" pass")
self._test_add_uuid_to_test(source_file)
def test_add_uuid_to_test_decorator(self):
source_file = (" @decorators.idempotent_id\n"
" def test_test():\n"
" pass")
self._test_add_uuid_to_test(source_file)
@staticmethod
def get_mocked_ast_object(lineno, col_offset, module, name, object_type):
ast_object = mock.Mock(spec=object_type)
name_obj = mock.Mock()
ast_object.lineno = lineno
ast_object.col_offset = col_offset
name_obj.name = name
ast_object.module = module
ast_object.names = [name_obj]
return ast_object
def test_add_import_for_test_uuid_no_tempest(self):
patcher = check_uuid.SourcePatcher()
checker = check_uuid.TestChecker(importlib.import_module('tempest'))
fake_file = tempfile.NamedTemporaryFile("w+t", delete=False)
source_code = "from unittest import mock\n"
fake_file.write(source_code)
fake_file.close()
class Fake_src_parsed():
body = [TestTestChecker.get_mocked_ast_object(
1, 4, 'unittest', 'mock', ast.ImportFrom)]
checker._add_import_for_test_uuid(patcher, Fake_src_parsed,
fake_file.name)
patcher.apply_patches()
with open(fake_file.name, "r") as f:
expected_result = source_code + '\n' + TestTestChecker.IMPORT_LINE
self.assertTrue(expected_result == f.read())
def test_add_import_for_test_uuid_tempest(self):
patcher = check_uuid.SourcePatcher()
checker = check_uuid.TestChecker(importlib.import_module('tempest'))
fake_file = tempfile.NamedTemporaryFile("w+t", delete=False)
source_code = "from tempest import a_fake_module\n"
fake_file.write(source_code)
fake_file.close()
class Fake_src_parsed:
body = [TestTestChecker.get_mocked_ast_object(
1, 4, 'tempest', 'a_fake_module', ast.ImportFrom)]
checker._add_import_for_test_uuid(patcher, Fake_src_parsed,
fake_file.name)
patcher.apply_patches()
with open(fake_file.name, "r") as f:
expected_result = source_code + TestTestChecker.IMPORT_LINE
self.assertTrue(expected_result == f.read())
def test_add_import_no_import(self):
patcher = check_uuid.SourcePatcher()
patcher.add_patch = mock.Mock()
checker = check_uuid.TestChecker(importlib.import_module('tempest'))
fake_file = tempfile.NamedTemporaryFile("w+t", delete=False)
fake_file.close()
class Fake_src_parsed:
body = []
checker._add_import_for_test_uuid(patcher, Fake_src_parsed,
fake_file.name)
self.assertTrue(not patcher.add_patch.called)
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