def setUp(self):
self.component_manager = ComponentManager()
self.component_manager.clear_component_registry()
component(scope='session')(TestTestRunnerComponents.Verifier)
self.load_components()
self.verifier = TestTestRunnerComponents.Verifier()
self.parent_scope = Scope('session', None)
self.parent_scope.register_instance(
_InstanceId(TestTestRunnerComponents.Verifier, ()), self.verifier)
self.run_queue = []
self.messagebus = Mock()
def send_request(message_id,
endpoint_id=None,
entities=None,
data=None):
futures = Mock()
if message_id == SCHEDULE_NEXT_TEST:
future = Mock()
if self.run_queue:
future.result.return_value = self.run_queue.pop(0)
else:
future.result.return_value = None
futures.wait.return_value = [future]
return futures
self.messagebus.send_request.side_effect = send_request
self.tr = TestRunner(self.messagebus,
Factory(self.component_manager),
'suite-name',
parent_scope=self.parent_scope)
def test_throws_on_unexpected_exit_code(self):
with _create_harness(ConfigManager()) as harness:
scope = Scope(name='myscope')
exec = harness.component_factory.call(DockerContainerExec, scope)
harness.node._container.exec.return_value = ('stdout', 'stderr', 1)
with self.assertRaises(DockerError):
exec.send_line('command', expected_exit_code=0)
def init_component_handling(self, components):
self.component_registry = create_registry()
self.component_manager = ComponentManager(self.component_registry)
self.component_factory = Factory(self.component_manager)
self.messagebus = MessageBus(self.component_factory, Scope('session'))
components.append(
ComponentMock(name='ComponentFactory',
mock=self.component_factory))
components.append(
ComponentMock(name='MessageBus', mock=self.messagebus))
components.append(ComponentMock(name='Config', mock=self.config))
components.append(
ComponentMock(name='ComponentManager',
mock=self.component_manager))
components.append(
ComponentMock(name='ExtensionManager', mock=MagicMock()))
for comp in components:
if type(comp) == ComponentMock:
component(name=comp.name,
scope=comp.scope,
can=comp.can,
provided_by_extension=comp.provided_by_extension)(
comp, self.component_manager)
else:
self.component_manager.register_component(comp)
def test_with_extended_process_information(self):
with _create_harness(ConfigManager()) as harness:
scope = Scope(name='myscope')
exec = harness.component_factory.call(DockerContainerExec, scope)
harness.node._container.exec.return_value = ('stdout', 'stderr', 0)
self.assertEqual(
exec.send_line('command', extended_process_information=True),
('stdout', 'stderr', 0))
def test_maximum_config(self):
config = ConfigManager()
config.set(SUT, ['mysut'])
config.set(SUT_DOCKER_IMAGE_ID, 'myimage', entity='mysut')
config.set(DOCKER_IMAGES_IDS, ['myimage', 'myotherimage'])
config.set(DOCKER_IMAGES_REPOSITORY, 'repository', entity='myimage')
config.set(DOCKER_IMAGES_TAG, 'v1', entity='myimage')
config.set(DOCKER_IMAGES_ENVIRONMENT, ['KEY=value'], entity='myimage')
config.set(DOCKER_IMAGES_HOSTNAME, 'myhostname', entity='myimage')
config.set(DOCKER_IMAGES_MOUNT_POINTS, [
'type=tmpfs,target=/foo',
'type=volume,source=myvolume,target=/bar',
'type=bind,source=/foo,target=/bar,readonly'
],
entity='myimage')
config.set(DOCKER_IMAGES_NETWORK, 'mynetwork', entity='myimage')
config.set(DOCKER_IMAGES_REPOSITORY,
'otherrepository',
entity='myotherimage')
config.set(DOCKER_IMAGES_TAG, 'v2', entity='myotherimage')
config.set(DOCKER_IMAGE_PULL, False)
config.set(DOCKER_IMAGE_REGISTRY, 'registry/')
config.set(DOCKER_IMAGE_STOP_TIMEOUT, 5)
config.set(DOCKER_KEEP_RUNNING, True)
with patch('virt.docker.Docker'):
with _create_harness(config) as harness:
harness.sut.entity = 'mysut'
scope = Scope(name='myscope')
node = harness.component_factory.call(DockerContainerNode,
scope)
self.assertEqual(node._image_entity, 'myimage')
self.assertEqual(node._repository, 'repository')
self.assertEqual(node._tag, 'v1')
self.assertEqual(node._environment, {'KEY': 'value'})
self.assertEqual(node._hostname, 'myhostname')
self.assertEqual(node._mounts[0]['Source'], None)
self.assertEqual(node._mounts[0]['Target'], '/foo')
self.assertEqual(node._mounts[0]['Type'], 'tmpfs')
self.assertEqual(node._mounts[0]['ReadOnly'], False)
self.assertEqual(node._mounts[1]['Source'], 'myvolume')
self.assertEqual(node._mounts[1]['Target'], '/bar')
self.assertEqual(node._mounts[1]['Type'], 'volume')
self.assertEqual(node._mounts[1]['ReadOnly'], False)
self.assertEqual(node._mounts[2]['Source'], '/foo')
self.assertEqual(node._mounts[2]['Target'], '/bar')
self.assertEqual(node._mounts[2]['Type'], 'bind')
self.assertEqual(node._mounts[2]['ReadOnly'], True)
self.assertEqual(node._networkname, 'mynetwork')
self.assertEqual(node._image_name, 'repository:v1')
self.assertEqual(node._timeout, 5)
self.assertFalse(node._pull)
self.assertEqual(node._registry, 'registry/')
self.assertTrue(node._keep_running)
def test_make_forwards_all_exceptions(self):
docker_run = Mock()
scope = Scope('scope')
with create_harness(docker_run) as harness:
application = Mock()
application.config = harness.config
docker_run.run_in_docker.side_effect = Exception()
with self.assertRaises(Exception):
harness.component_factory.call(make, scope, application)
def test_filter_out_component_with_shorter_scope_than_parent(self):
@component(name='A',
scope='long',
component_manager=self.component_manager)
def a1():
pass
@component(name='A',
scope='short',
component_manager=self.component_manager)
def a2():
pass
@component(name='B',
scope='long',
component_manager=self.component_manager)
@requires(a='A')
def b():
pass
@requires(b='B')
def test(b):
pass
long = Scope('long')
short = Scope('short', parent=long)
dependency_graph = self.builder.create_dependency_graph(
test, short, None)
dependency_graph.select_scopes(short)
dependency_graph.remove_with_shorter_scope_than_parent(short)
self.assertEqual(dependency_graph._root.callable, test)
self.assertEqual(dependency_graph._root.requirements['b'].argument,
'b')
callable_b = dependency_graph._root.requirements['b'].callables[0]
self.assertEqual(callable_b.callable.__name__, 'b')
self.assertEqual(callable_b.requirements['a'].argument, 'a')
self.assertEqual(
callable_b.requirements['a'].callables[0].callable.__name__, 'a1')
self.assertEqual(len(callable_b.requirements['a'].callables), 1)
def test_make_triggers_pre_make_event_with_make_arguments_as_data(self):
docker_run = Mock()
scope = Scope('scope')
with create_harness(docker_run) as harness:
application = Mock()
application.config = harness.config
application.messagebus = harness.messagebus
docker_run.docker_config = DockerConfig(harness.config)
with LocalMessageQueue(harness.messagebus, [PRE_MAKE], [MAKE_ENDPOINT]) as queue:
harness.component_factory.call(make, scope, application)
self.assertEqual(queue.get(timeout=1).data, ('arg1', '--opt2'))
def test_shell_called_with_correct_parameters(self):
docker_run = Mock()
scope = Scope('scope')
with create_harness(docker_run) as harness:
application = Mock()
application.config = harness.config
docker_run.run_in_docker.return_value = 0
exit_code = harness.component_factory.call(shell, scope,
application)
self.assertEqual(exit_code, 0)
docker_run.run_in_docker.assert_called_with(['/bin/bash'],
forward_signals=True)
def test_exec_called_with_correct_parameters(self):
docker_run = Mock()
scope = Scope('scope')
with create_harness(docker_run) as harness:
application = Mock()
application.config = harness.config
docker_run.run_in_docker.return_value = 0
exit_code = harness.component_factory.call(exec, scope,
application)
self.assertEqual(exit_code, 0)
docker_run.run_in_docker.assert_called_with(
('exec', 'with', 'args'), forward_signals=False)
def test_make_command_taken_from_image(self):
docker_run = Mock()
scope = Scope('scope')
with create_harness(docker_run, 'abs.u12') as harness:
application = Mock()
application.config = harness.config
docker_run.docker_config = DockerConfig(harness.config)
docker_run.run_in_docker.return_value = 0
exit_code = harness.component_factory.call(make, scope, application)
self.assertEqual(exit_code, 0)
docker_run.run_in_docker.assert_called_with(
['make', 'arg1', '--opt2'], forward_signals=False)
def test_default_containername(self):
config = ConfigManager()
config.set(SUT, ['mysut'])
config.set(SUT_DOCKER_IMAGE_ID, 'myimage', entity='mysut')
config.set(DOCKER_IMAGES_IDS, ['myimage'])
config.set(DOCKER_IMAGES_REPOSITORY, 'repository', entity='myimage')
config.set(DOCKER_IMAGES_TAG, 'v1', entity='myimage')
with patch('virt.docker.Docker'):
with _create_harness(config) as harness:
harness.sut.entity = 'mysut'
scope = Scope(name='myscope')
node = harness.component_factory.call(DockerContainerNode,
scope)
self.assertIsNone(node.containername)
def test_docker_config_component_uses_config_values(self):
scope = Scope('scope')
config = ConfigManager()
config.set(IMAGE_OPTION, 'abs.u16')
config.set(TAG_OPTION, 'tag')
config.set(REGISTRY_OPTION, 'registry')
config.set(USE_REGISTRY_OPTION, False)
config.set(REGISTRY_CACHE_OPTION, 'registry_cache')
config.set(PULL_OPTION, False)
config.set(HOSTNAME_OPTION, 'hostname')
config.set(ENV_VARIABLES_OPTION, ['envvar'])
config.set(MOUNTS_OPTION, ['mount'])
config.set(ROOT_OPTION, True)
config.set(ROOT_DIR_OPTION, 'root_dir')
config.set(CONTAINER_ROOT_DIR_OPTION, 'container_root_dir')
config.set(PROJECT_DIR_OPTION, 'project_dir')
config.set(PROJECT_DIR_NAME_OPTION, 'project_dir_name')
config.set(NETWORK_OPTION, 'network')
with create_harness(config) as harness:
@requires(docker_config='DockerConfig')
def assert_docker_config(docker_config):
self.assertEqual(docker_config.image, 'abs.u16')
self.assertEqual(docker_config.tag, 'tag')
self.assertEqual(docker_config.registry, 'registry')
self.assertFalse(docker_config.use_registry)
self.assertEqual(docker_config.registry_cache, 'registry_cache')
self.assertFalse(docker_config.pull)
self.assertEqual(docker_config.hostname, 'hostname')
self.assertEqual(docker_config.env_variables, ('envvar', ))
self.assertEqual(docker_config.mounts, ('mount', ))
self.assertEqual(docker_config.root, True)
self.assertEqual(docker_config.root_dir, 'root_dir')
self.assertEqual(docker_config.container_root_dir, 'container_root_dir')
self.assertEqual(docker_config.project_dir, 'project_dir')
self.assertEqual(docker_config.project_dir_name, 'project_dir_name')
self.assertEqual(docker_config.network, 'network')
harness.component_factory.call(assert_docker_config, scope)
def test_iterable_sut_config_extends_image_config(self):
config = ConfigManager()
config.set(SUT, ['mysut'])
config.set(SUT_DOCKER_IMAGE_ID, 'myimage', entity='mysut')
config.set(DOCKER_IMAGES_IDS, ['myimage'])
config.set(DOCKER_IMAGES_REPOSITORY, 'repository', entity='myimage')
config.set(DOCKER_IMAGES_TAG, 'v1', entity='myimage')
config.set(DOCKER_IMAGES_ENVIRONMENT, ['KEY=value', 'A=a'],
entity='myimage')
config.set(DOCKER_IMAGES_MOUNT_POINTS, ['type=tmpfs,target=/foo'],
entity='myimage')
config.set(SUT_DOCKER_IMAGE_ENVIRONMENT, ['SUT_KEY=sut_value', 'A=b'],
entity='mysut')
config.set(SUT_DOCKER_IMAGE_MOUNT_POINTS, ['type=tmpfs,target=/bar'],
entity='mysut')
with patch('virt.docker.Docker'):
with _create_harness(config) as harness:
harness.sut.entity = 'mysut'
scope = Scope(name='myscope')
node = harness.component_factory.call(DockerContainerNode,
scope)
self.assertEqual(node._image_entity, 'myimage')
self.assertEqual(node._repository, 'repository')
self.assertEqual(node._tag, 'v1')
self.assertEqual(
node._environment,
OrderedDict([('SUT_KEY', 'sut_value'), ('A', 'b'),
('KEY', 'value')]))
self.assertEqual(node._mounts[0]['Source'], None)
self.assertEqual(node._mounts[0]['Target'], '/bar')
self.assertEqual(node._mounts[0]['Type'], 'tmpfs')
self.assertEqual(node._mounts[0]['ReadOnly'], False)
self.assertEqual(node._mounts[1]['Source'], None)
self.assertEqual(node._mounts[1]['Target'], '/foo')
self.assertEqual(node._mounts[1]['Type'], 'tmpfs')
self.assertEqual(node._mounts[1]['ReadOnly'], False)
def test_minimum_config(self):
config = ConfigManager()
config.set(SUT, ['mysut'])
config.set(SUT_DOCKER_IMAGE_ID, 'myimage', entity='mysut')
config.set(DOCKER_IMAGES_IDS, ['myimage'])
config.set(DOCKER_IMAGES_REPOSITORY, 'repository', entity='myimage')
config.set(DOCKER_IMAGES_TAG, 'v1', entity='myimage')
with patch('virt.docker.Docker'):
with _create_harness(config) as harness:
harness.sut.entity = 'mysut'
scope = Scope(name='myscope')
node = harness.component_factory.call(DockerContainerNode,
scope)
self.assertEqual(node._image_entity, 'myimage')
self.assertEqual(node._repository, 'repository')
self.assertEqual(node._tag, 'v1')
self.assertEqual(node._hostname, None)
self.assertEqual(node._image_name, 'repository:v1')
self.assertEqual(node._timeout, 10)
self.assertTrue(node._pull)
self.assertFalse(node._keep_running)
def test_atomic_sut_config_overrides_image_config(self):
config = ConfigManager()
config.set(SUT, ['mysut'])
config.set(SUT_DOCKER_IMAGE_ID, 'myimage', entity='mysut')
config.set(DOCKER_IMAGES_IDS, ['myimage'])
config.set(DOCKER_IMAGES_REPOSITORY, 'repository', entity='myimage')
config.set(DOCKER_IMAGES_TAG, 'v1', entity='myimage')
config.set(DOCKER_IMAGES_HOSTNAME, 'myhostname', entity='myimage')
config.set(DOCKER_IMAGES_NETWORK, 'mynetwork', entity='myimage')
config.set(SUT_DOCKER_IMAGE_HOSTNAME, 'mysuthostname', entity='mysut')
config.set(SUT_DOCKER_IMAGE_NETWORK, 'mysutnetwork', entity='mysut')
with patch('virt.docker.Docker'):
with _create_harness(config) as harness:
harness.sut.entity = 'mysut'
scope = Scope(name='myscope')
node = harness.component_factory.call(DockerContainerNode,
scope)
self.assertEqual(node._image_entity, 'myimage')
self.assertEqual(node._repository, 'repository')
self.assertEqual(node._tag, 'v1')
self.assertEqual(node._hostname, 'mysuthostname')
self.assertEqual(node._networkname, 'mysutnetwork')
def setUp(self):
self.component_manager = ComponentManager(create_registry(),
create_entity_map())
self.registry = self.component_manager.COMPONENT_REGISTRY
self.builder = DependencyGraphBuilder(self.registry)
self.scope = Scope('scope')
class TestTestRunnerComponents(unittest.TestCase):
class Verifier(object):
def __init__(self):
self.data = []
def load_components(self):
@component()
@requires(verifier='Verifier')
class MyComponent(object):
def __init__(self, verifier):
self.verifier = verifier
def __enter__(self):
self.verifier.data.append('enter')
return self
def __exit__(self, exc_type, exc_val, exc_tb):
self.verifier.data.append('exit')
def __call__(self, *args, **kwargs):
self.verifier.data.append('call')
@component()
@requires(verifier='Verifier')
class MyEnterFailComponent(object):
def __init__(self, verifier):
self.verifier = verifier
def __enter__(self):
self.verifier.data.append('enter')
raise (Exception('enter fails'))
def __exit__(self, exc_type, exc_val, exc_tb):
self.verifier.data.append('exit')
def __call__(self, *args, **kwargs):
self.verifier.data.append('call')
@component()
@requires(verifier='Verifier')
class MyExitFailComponent(object):
def __init__(self, verifier):
self.verifier = verifier
def __enter__(self):
self.verifier.data.append('enter')
return self
def __exit__(self, exc_type, exc_val, exc_tb):
self.verifier.data.append('exit')
raise (Exception('exit fails'))
def __call__(self, *args, **kwargs):
self.verifier.data.append('call')
def setUp(self):
self.component_manager = ComponentManager()
self.component_manager.clear_component_registry()
component(scope='session')(TestTestRunnerComponents.Verifier)
self.load_components()
self.verifier = TestTestRunnerComponents.Verifier()
self.parent_scope = Scope('session', None)
self.parent_scope.register_instance(
_InstanceId(TestTestRunnerComponents.Verifier, ()), self.verifier)
self.run_queue = []
self.messagebus = Mock()
def send_request(message_id,
endpoint_id=None,
entities=None,
data=None):
futures = Mock()
if message_id == SCHEDULE_NEXT_TEST:
future = Mock()
if self.run_queue:
future.result.return_value = self.run_queue.pop(0)
else:
future.result.return_value = None
futures.wait.return_value = [future]
return futures
self.messagebus.send_request.side_effect = send_request
self.tr = TestRunner(self.messagebus,
Factory(self.component_manager),
'suite-name',
parent_scope=self.parent_scope)
def test_enters_and_exit_called_on_component_with_test_scope(self):
@requires(comp='MyComponent', scope='test')
def my_test_case(comp):
comp()
self.run_queue.append(TestCaseDefinition(my_test_case))
self.tr.run()
assert 'enter' in self.verifier.data
assert 'call' in self.verifier.data
assert 'exit' in self.verifier.data
def test_enters_and_exit_called_on_component_with_module_scope(self):
@requires(comp='MyComponent', scope='module')
def my_test_case(comp):
comp()
self.run_queue.append(TestCaseDefinition(my_test_case))
self.tr.run()
assert 'enter' in self.verifier.data
assert 'call' in self.verifier.data
assert 'exit' in self.verifier.data
def test_enters_and_exit_called_on_component_with_class_scope(self):
class TestMyTestCase(object):
@requires(comp='MyComponent', scope='class')
def my_test_case(self, comp):
comp()
self.run_queue.append(TestCaseDefinition(
TestMyTestCase().my_test_case))
self.tr.run()
assert 'enter' in self.verifier.data
assert 'call' in self.verifier.data
assert 'exit' in self.verifier.data
def test_enters_and_exit_called_on_component_with_runner_scope(self):
@requires(comp='MyComponent', scope='module')
def my_test_case(comp):
comp()
self.run_queue.append(TestCaseDefinition(my_test_case))
self.tr.run()
assert 'enter' in self.verifier.data
assert 'call' in self.verifier.data
assert 'exit' in self.verifier.data
def test_enter_and_exit_called_once_on_class_scope_component_for_test_cases_in_same_class(
self):
class TestMyTestCase(object):
@requires(comp='MyComponent', scope='class')
def my_test_case1(self, comp):
comp()
@requires(comp='MyComponent', scope='class')
def my_test_case2(self, comp):
comp()
test_case_class = TestMyTestCase()
self.run_queue.extend([
TestCaseDefinition(test_case_class.my_test_case1),
TestCaseDefinition(test_case_class.my_test_case2)
])
self.tr.run()
assert self.verifier.data.count('enter') == 1
assert self.verifier.data.count('call') == 2
assert self.verifier.data.count('exit') == 1
def test_enter_and_exit_called_once_on_module_scope_component_for_test_cases_in_same_module(
self):
@requires(comp='MyComponent', scope='module')
def my_test_case1(comp):
comp()
@requires(comp='MyComponent', scope='module')
def my_test_case2(comp):
comp()
self.run_queue.extend([
TestCaseDefinition(my_test_case1),
TestCaseDefinition(my_test_case2)
])
self.tr.run()
assert self.verifier.data.count('enter') == 1
assert self.verifier.data.count('call') == 2
assert self.verifier.data.count('exit') == 1
def test_enter_and_exit_called_once_on_runner_scope_component(self):
@requires(comp='MyComponent', scope='runner')
def my_test_case1(comp):
comp()
@requires(comp='MyComponent', scope='runner')
def my_test_case2(comp):
comp()
self.run_queue.extend([
TestCaseDefinition(my_test_case1),
TestCaseDefinition(my_test_case2)
])
self.tr.run()
assert self.verifier.data.count('enter') == 1
assert self.verifier.data.count('call') == 2
assert self.verifier.data.count('exit') == 1
def test_enter_fails_sets_test_case_verdict_to_error_and_exit_is_called(
self):
@requires(comp='MyEnterFailComponent', scope='runner')
def my_test_case1(comp):
comp()
self.run_queue.extend([TestCaseDefinition(my_test_case1)])
self.tr.run()
assert self.tr.run_history[0].verdict == Verdict.ERROR
assert 'enter' in self.verifier.data
assert 'call' not in self.verifier.data
assert 'exit' in self.verifier.data
def test_enter_fails_sets_test_case_verdict_to_error_and_continues_to_next_test_case(
self):
@requires(comp='MyEnterFailComponent', scope='runner')
def my_test_case1(comp):
comp()
@requires(comp='MyComponent', scope='runner')
def my_test_case2(comp):
comp()
self.run_queue.extend([
TestCaseDefinition(my_test_case1),
TestCaseDefinition(my_test_case2)
])
self.tr.run()
assert self.tr.run_history[0].verdict == Verdict.ERROR
assert self.tr.run_history[1].verdict == Verdict.PASSED
def test_exit_fails_on_test_scope_aborts_test_run(self):
@requires(comp='MyExitFailComponent', scope='test')
def my_test_case1(comp):
comp()
@requires(comp='MyComponent', scope='runner')
def my_test_case2(comp):
comp()
self.run_queue.extend([
TestCaseDefinition(my_test_case1),
TestCaseDefinition(my_test_case2)
])
self.tr.run()
assert self.tr.run_history[0].verdict == Verdict.PASSED
assert self.tr.run_history[1].verdict == Verdict.SKIPPED
def test_exit_fails_on_non_test_scope_aborts_test_run(self):
class MyTestCase1(object):
@requires(comp='MyExitFailComponent', scope='class')
def my_test_case1(self, comp):
comp()
class MyTestCase2(object):
@requires(comp='MyComponent', scope='class')
def my_test_case2(self, comp):
comp()
self.run_queue.extend([
TestCaseDefinition(MyTestCase1().my_test_case1),
TestCaseDefinition(MyTestCase2().my_test_case2)
])
self.tr.run()
assert self.tr.run_history[0].verdict == Verdict.PASSED
assert self.tr.run_history[1].verdict == Verdict.SKIPPED
def test_error_message_when_remove_with_shorter_scope(self):
@component(name='A',
can=['stuff', 'other_stuff'],
scope='short',
component_manager=self.component_manager)
def component_a_scope():
pass
@component(name='A',
can=['no_stuff'],
component_manager=self.component_manager)
def component_a_cans():
pass
@component(name='A',
can=['stuff', 'other_stuff'],
component_manager=self.component_manager)
@requires(require_not_exists='NotExists')
def component_a_depends(require_not_exists):
pass
@component(name='B',
scope='long',
component_manager=self.component_manager)
@requires(require_a='A', can=['stuff', 'other_stuff'])
def component_b(require_a):
pass
@component(name='C',
can=['stuff2', 'stuff3', 'stuff4'],
component_manager=self.component_manager)
def component_c():
pass
@component(name='D', component_manager=self.component_manager)
@requires(require_c='C', can=['stuff2', 'stuff3'])
def component_d(require_c):
pass
@requires(require_b='B')
@requires(require_d=component_d)
def test(require_b, require_d):
pass
long = Scope('long')
short = Scope('short', parent=long)
dependency_graph = self.builder.create_dependency_graph(
test, short, None)
expected_message = dedent("""\
Error fulfilling requirements for test
U: Requirement 'require_b' with name 'B': Unfulfilled
U: Component 'component_b' with name 'B': Unfullfilled requirements
U: Requirement 'require_a' with name 'A' and cans 'stuff, other_stuff': Unfulfilled
C: Component 'component_a_cans' with name 'A': Cans not fulfilled 'stuff, other_stuff'
U: Component 'component_a_depends' with name 'A': Unfullfilled requirements
M: Requirement 'require_not_exists' with name 'NotExists': Missing component 'NotExists'
S: Component 'component_a_scope' with name 'A': Scope 'short' is not one of the valid scopes 'long'
F: Requirement 'require_d' with name 'component_d': Fulfilled
E: Component 'component_d' with name 'component_d': Exists
F: Requirement 'require_c' with name 'C': Fulfilled
E: Component 'component_c' with name 'C': Exists""")
with self.assertRaises(ComponentDependencyError) as exc:
dependency_graph.resolve(short)
self.assertEqual(str(exc), expected_message)