def test_context_create(self):
# GIVEN
context = _set_up_context()
stack_context = StackContext(context)
stack_context.initialize(args={})
# THEN
self.assertIsNotNone(stack_context)
def test_context_get_current_template_with_client_error(self):
# GIVEN}
client = _get_cf_stubbed_client_with_error(
method='get_template', service_error_code='ValidationError')
context = _set_up_context(mock_client=client)
stack_context = StackContext(context)
# WHEN
with self.assertRaises(HandledError):
stack_context.get_current_template(stack_id=TEST_STACK_ID)
def test_context_describe_stack_with_validation_error(self):
# GIVEN
client = _get_cf_stubbed_client_with_error(
method='describe_stacks', service_error_code='ValidationError')
context = _set_up_context(mock_client=client)
stack_context = StackContext(context)
# WHEN
with self.assertRaises(HandledError):
stack_context.describe_stack(stack_id=TEST_STACK_ID,
optional=False)
def test_context_get_stack_status_client_failure(self):
# GIVEN
client = _get_cf_stubbed_client_with_error(
method='describe_stacks',
service_error_code="ClientError",
service_message="Stack with id {TEST_STACK_ID} does not exist")
context = _set_up_context(mock_client=client)
stack_context = StackContext(context)
# WHEN
with self.assertRaises(botocore.exceptions.ClientError):
stack_context.get_stack_status(stack_id=TEST_STACK_ID)
def test_context_name_exists_is_false_for_validation_errors(self):
# GIVEN
client = _get_cf_stubbed_client_with_error(
method='describe_stacks',
service_error_code="ValidationError")
context = _set_up_context(mock_client=client)
stack_context = StackContext(context)
# WHEN
exists = stack_context.name_exists(stack_name=TEST_STACK_NAME, region=TEST_REGION)
# THEN
self.assertFalse(exists)
def test_context_describe_stack_with_optional_and_validation_error(self):
# GIVEN
client = _get_cf_stubbed_client_with_error(
method='describe_stacks', service_error_code='ValidationError')
context = _set_up_context(mock_client=client)
stack_context = StackContext(context)
# WHEN
response = stack_context.describe_stack(stack_id=TEST_STACK_ID,
optional=True)
# THEN
self.assertIsNone(response)
def test_context_get_stack_status_validation_failure(self):
# GIVEN
client = _get_cf_stubbed_client_with_error(
method='describe_stacks',
service_error_code="ValidationError",
service_message=f"Stack with id {TEST_STACK_ID} does not exist")
context = _set_up_context(mock_client=client)
stack_context = StackContext(context)
# WHEN
status = stack_context.get_stack_status(stack_id=TEST_STACK_ID)
# THEN
self.assertIsNone(status)
def test_context_describe_stack_with_and_access_denied(self):
# GIVEN
client = _get_cf_stubbed_client_with_error(
method='describe_stacks', service_error_code='AccessDenied')
context = _set_up_context(mock_client=client)
stack_context = StackContext(context)
# WHEN
response = stack_context.describe_stack(stack_id=TEST_STACK_ID,
optional=False)
# THEN
self.assertEqual(response['StackStatus'], 'UNKNOWN')
self.assertEqual(response['StackStatusReason'], 'Access denied.')
def test_context_get_stack_status(self):
# GIVEN
expected_status = 'COMPLETED'
expected_params = {'StackName': TEST_STACK_ID}
response = self.__build_simple_describe_stack_response(stack_status=expected_status)
client = _get_cf_stubbed_client(method='describe_stacks', response=response,
expected_params=expected_params)
context = _set_up_context(mock_client=client)
stack_context = StackContext(context)
# WHEN
status = stack_context.get_stack_status(stack_id=TEST_STACK_ID)
# THEN
self.assertEqual(status, expected_status)
def test_context_name_exists_is_false_for_deleted_stacks(self):
# GIVEN
expected_params = {'StackName': TEST_STACK_NAME}
expected_status = 'DELETE_COMPLETE'
response = self.__build_simple_describe_stack_response(stack_status=expected_status)
client = _get_cf_stubbed_client(method='describe_stacks', response=response,
expected_params=expected_params)
context = _set_up_context(mock_client=client)
stack_context = StackContext(context)
# WHEN
exists = stack_context.name_exists(stack_name=TEST_STACK_NAME, region=TEST_REGION)
# THEN
self.assertFalse(exists)
def test_context_get_current_template(self):
# GIVEN
expected_params = {'StackName': TEST_STACK_ID}
expected_body = str({'AWSTemplateFormatVersion': '2010-09-09'})
response = {"TemplateBody": expected_body}
client = _get_cf_stubbed_client(method='get_template',
response=response,
expected_params=expected_params)
context = _set_up_context(mock_client=client)
stack_context = StackContext(context)
# WHEN
response = stack_context.get_current_template(stack_id=TEST_STACK_ID)
# THEN
self.assertEqual(response, expected_body)