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# testscenarios: extensions to python unittest to allow declarative
# dependency injection ('scenarios') by tests.
#
# Copyright (c) 2009, Robert Collins <robertc@robertcollins.net>
#
# Licensed under either the Apache License, Version 2.0 or the BSD 3-clause
# license at the users choice. A copy of both licenses are available in the
# project source as Apache-2.0 and BSD. You may not use this file except in
# compliance with one of these two licences.
#
# Unless required by applicable law or agreed to in writing, software
# distributed under these licenses is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# license you chose for the specific language governing permissions and
# limitations under that license.
import unittest
import testscenarios
import testtools
from testtools.tests.helpers import LoggingResult
class TestTestWithScenarios(testtools.TestCase):
scenarios = testscenarios.scenarios.per_module_scenarios(
'impl', (('unittest', 'unittest'), ('unittest2', 'unittest2')))
@property
def Implementation(self):
if isinstance(self.impl, tuple):
self.skipTest('import failed - module not installed?')
class Implementation(testscenarios.WithScenarios, self.impl.TestCase):
pass
return Implementation
def test_no_scenarios_no_error(self):
class ReferenceTest(self.Implementation):
def test_pass(self):
pass
test = ReferenceTest("test_pass")
result = unittest.TestResult()
test.run(result)
self.assertTrue(result.wasSuccessful())
self.assertEqual(1, result.testsRun)
def test_with_one_scenario_one_run(self):
class ReferenceTest(self.Implementation):
scenarios = [('demo', {})]
def test_pass(self):
pass
test = ReferenceTest("test_pass")
log = []
result = LoggingResult(log)
test.run(result)
self.assertTrue(result.wasSuccessful())
self.assertEqual(1, result.testsRun)
self.assertEqual(
'testscenarios.tests.test_testcase.ReferenceTest.test_pass(demo)',
log[0][1].id())
def test_with_two_scenarios_two_run(self):
class ReferenceTest(self.Implementation):
scenarios = [('1', {}), ('2', {})]
def test_pass(self):
pass
test = ReferenceTest("test_pass")
log = []
result = LoggingResult(log)
test.run(result)
self.assertTrue(result.wasSuccessful())
self.assertEqual(2, result.testsRun)
self.assertEqual(
'testscenarios.tests.test_testcase.ReferenceTest.test_pass(1)',
log[0][1].id())
self.assertEqual(
'testscenarios.tests.test_testcase.ReferenceTest.test_pass(2)',
log[4][1].id())
def test_attributes_set(self):
class ReferenceTest(self.Implementation):
scenarios = [
('1', {'foo': 1, 'bar': 2}),
('2', {'foo': 2, 'bar': 4})]
def test_check_foo(self):
self.assertEqual(self.foo * 2, self.bar)
test = ReferenceTest("test_check_foo")
log = []
result = LoggingResult(log)
test.run(result)
self.assertTrue(result.wasSuccessful())
self.assertEqual(2, result.testsRun)
def test_scenarios_attribute_cleared(self):
class ReferenceTest(self.Implementation):
scenarios = [
('1', {'foo': 1, 'bar': 2}),
('2', {'foo': 2, 'bar': 4})]
def test_check_foo(self):
self.assertEqual(self.foo * 2, self.bar)
test = ReferenceTest("test_check_foo")
log = []
result = LoggingResult(log)
test.run(result)
self.assertTrue(result.wasSuccessful())
self.assertEqual(2, result.testsRun)
self.assertNotEqual(None, test.scenarios)
self.assertEqual(None, log[0][1].scenarios)
self.assertEqual(None, log[4][1].scenarios)
def test_countTestCases_no_scenarios(self):
class ReferenceTest(self.Implementation):
def test_check_foo(self):
pass
test = ReferenceTest("test_check_foo")
self.assertEqual(1, test.countTestCases())
def test_countTestCases_empty_scenarios(self):
class ReferenceTest(self.Implementation):
scenarios = []
def test_check_foo(self):
pass
test = ReferenceTest("test_check_foo")
self.assertEqual(1, test.countTestCases())
def test_countTestCases_1_scenarios(self):
class ReferenceTest(self.Implementation):
scenarios = [('1', {'foo': 1, 'bar': 2})]
def test_check_foo(self):
pass
test = ReferenceTest("test_check_foo")
self.assertEqual(1, test.countTestCases())
def test_countTestCases_2_scenarios(self):
class ReferenceTest(self.Implementation):
scenarios = [
('1', {'foo': 1, 'bar': 2}),
('2', {'foo': 2, 'bar': 4})]
def test_check_foo(self):
pass
test = ReferenceTest("test_check_foo")
self.assertEqual(2, test.countTestCases())
def test_debug_2_scenarios(self):
log = []
class ReferenceTest(self.Implementation):
scenarios = [
('1', {'foo': 1, 'bar': 2}),
('2', {'foo': 2, 'bar': 4})]
def test_check_foo(self):
log.append(self)
test = ReferenceTest("test_check_foo")
test.debug()
self.assertEqual(2, len(log))
self.assertEqual(None, log[0].scenarios)
self.assertEqual(None, log[1].scenarios)
self.assertNotEqual(log[0].id(), log[1].id())
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