Add unit tests for check_uuid.py
* adding a patch * applying a patch * adding uuid to test - with and without decorator * adding import line to tests with uuid Closes-Bug: #1878171 Change-Id: I59e2cb3bd0ee9a8b525b5904fd39eba446205efd
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import tempfile
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import importlib
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import mock
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from tempest.lib.cmd import check_uuid
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from tempest.tests import base
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class TestSourcePatcher(base.TestCase):
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def test_add_patch(self):
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patcher = check_uuid.SourcePatcher()
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fake_file = tempfile.NamedTemporaryFile("w+t", delete=False)
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file_contents = 'first_line\nsecond_line'
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fake_file.write(file_contents)
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fake_file.close()
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patcher.add_patch(fake_file.name, 'patch', 2)
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source_file = patcher.source_files[fake_file.name]
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self.assertEqual(1, len(patcher.patches))
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(patch_id, patch), = patcher.patches.items()
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self.assertEqual(patcher._quote('patch\n'), patch)
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self.assertEqual('first_line\n{%s:s}second_line' % patch_id,
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patcher._unquote(source_file))
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def test_apply_patches(self):
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fake_file = tempfile.NamedTemporaryFile("w+t")
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patcher = check_uuid.SourcePatcher()
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patcher.patches = {'fake-uuid': patcher._quote('patch\n')}
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patcher.source_files = {
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fake_file.name: patcher._quote('first_line\n') +
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'{fake-uuid:s}second_line'}
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with mock.patch('sys.stdout'):
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patcher.apply_patches()
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lines = fake_file.read().split('\n')
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fake_file.close()
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self.assertEqual(['first_line', 'patch', 'second_line'], lines)
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self.assertFalse(patcher.patches)
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self.assertFalse(patcher.source_files)
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class TestTestChecker(base.TestCase):
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def _test_add_uuid_to_test(self, source_file):
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class Fake_test_node():
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lineno = 1
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col_offset = 4
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patcher = check_uuid.SourcePatcher()
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checker = check_uuid.TestChecker(importlib.import_module('tempest'))
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fake_file = tempfile.NamedTemporaryFile("w+t", delete=False)
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fake_file.write(source_file)
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fake_file.close()
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checker._add_uuid_to_test(patcher, Fake_test_node(), fake_file.name)
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self.assertEqual(1, len(patcher.patches))
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self.assertEqual(1, len(patcher.source_files))
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(patch_id, patch), = patcher.patches.items()
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changed_source_file, = patcher.source_files.values()
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self.assertEqual('{%s:s}%s' % (patch_id, patcher._quote(source_file)),
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changed_source_file)
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expected_patch_start = patcher._quote(
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' ' + check_uuid.DECORATOR_TEMPLATE.split('(')[0])
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self.assertTrue(patch.startswith(expected_patch_start))
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def test_add_uuid_to_test_def(self):
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source_file = (" def test_test():\n"
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" pass")
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self._test_add_uuid_to_test(source_file)
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def test_add_uuid_to_test_decorator(self):
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source_file = (" @decorators.idempotent_id\n"
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" def test_test():\n"
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" pass")
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self._test_add_uuid_to_test(source_file)
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def test_add_import_for_test_uuid_no_tempest(self):
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patcher = check_uuid.SourcePatcher()
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checker = check_uuid.TestChecker(importlib.import_module('tempest'))
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fake_file = tempfile.NamedTemporaryFile("w+t")
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class Fake_src_parsed():
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body = ['test_node']
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checker._import_name = mock.Mock(return_value='fake_module')
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checker._add_import_for_test_uuid(patcher, Fake_src_parsed(),
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fake_file.name)
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(patch_id, patch), = patcher.patches.items()
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self.assertEqual(patcher._quote('\n' + check_uuid.IMPORT_LINE + '\n'),
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patch)
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self.assertEqual('{%s:s}' % patch_id,
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patcher.source_files[fake_file.name])
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def test_add_import_for_test_uuid_tempest(self):
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patcher = check_uuid.SourcePatcher()
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checker = check_uuid.TestChecker(importlib.import_module('tempest'))
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fake_file = tempfile.NamedTemporaryFile("w+t", delete=False)
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test1 = (" def test_test():\n"
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" pass\n")
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test2 = (" def test_another_test():\n"
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" pass\n")
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source_code = test1 + test2
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fake_file.write(source_code)
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fake_file.close()
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def fake_import_name(node):
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return node.name
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checker._import_name = fake_import_name
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class Fake_node():
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def __init__(self, lineno, col_offset, name):
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self.lineno = lineno
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self.col_offset = col_offset
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self.name = name
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class Fake_src_parsed():
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body = [Fake_node(1, 4, 'tempest.a_fake_module'),
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Fake_node(3, 4, 'another_fake_module')]
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checker._add_import_for_test_uuid(patcher, Fake_src_parsed(),
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fake_file.name)
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(patch_id, patch), = patcher.patches.items()
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self.assertEqual(patcher._quote(check_uuid.IMPORT_LINE + '\n'),
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patch)
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expected_source = patcher._quote(test1) + '{' + patch_id + ':s}' +\
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patcher._quote(test2)
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self.assertEqual(expected_source,
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patcher.source_files[fake_file.name])
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