def __init__(self, notifiers_config_dict, notifier_directory,
notifier_parent_module):
self.monitor_alarm = Notifier(
config=notifiers_config_dict['monitor_alarm'],
notifier_directory=notifier_directory,
notifier_parent_module=notifier_parent_module)
self.monitor_failure = Notifier(
config=notifiers_config_dict['monitor_failure'],
notifier_directory=notifier_directory,
notifier_parent_module=notifier_parent_module)
def test_when_notifier_name_empty_then_exception(notifier_config):
notifier_config['name'] = ''
exception_validator = RunnableExceptionValidator(
lambda: Notifier(notifier_config, Monitor.NOTIFIERS_DIRECTORY, Monitor.
NOTIFIER_INSTANCES_PARENT_MODULE))
exception_validator.verify_exception(
AssertionError,
'The name of the notifier must contain at least one character!')
def test_when_notifier_file_not_in_directory_then_exception(notifier_config):
notifier_config['name'] = 'non_existent_notifier.py'
exception_validator = RunnableExceptionValidator(lambda: Notifier(
config=notifier_config,
notifier_directory=NOTIFIERS_TEST_INSTANCES_DIRECTORY,
notifier_parent_module=NOTIFIERS_TEST_INSTANCES_MODULE))
exception_validator.verify_exception(
AssertionError,
f"The notifier name must be the Python file name placed in the path '{NOTIFIERS_TEST_INSTANCES_DIRECTORY}',"
f" but got '{notifier_config['name']}'!")
def test_when_notifier_file_contains_multiple_python_classes_then_exception(
notifier_config):
notifier_config['name'] = 'multiple_classes_in_file.py'
exception_validator = RunnableExceptionValidator(lambda: Notifier(
config=notifier_config,
notifier_directory=NOTIFIERS_TEST_INSTANCES_DIRECTORY,
notifier_parent_module=NOTIFIERS_TEST_INSTANCES_MODULE))
exception_validator.verify_exception(
AssertionError,
f"The notifier defined in '{notifier_config['name']}' must have a single class defined in its file, "
f"but got 2 classes: "
f"{['Notifier', 'AnotherNotifier']}!")
def test_when_comparator_class_constructor_missing_reference_value_parameter_then_exception(
notifier_config):
notifier_config[
'name'] = 'notifier_class_constructor_missing_configuration.py'
exception_validator = RunnableExceptionValidator(lambda: Notifier(
config=notifier_config,
notifier_directory=NOTIFIERS_TEST_INSTANCES_DIRECTORY,
notifier_parent_module=NOTIFIERS_TEST_INSTANCES_MODULE))
exception_validator.verify_exception(
AssertionError,
f"Notifier() takes no arguments. Please make sure that the notifier class constructor takes a single "
f"argument representing the notifier configuration (which might be empty/undefined)!"
)
def test_when_comparator_class_is_not_subclass_of_abstract_comparator_class_then_exception(
notifier_config):
notifier_config[
'name'] = 'notifier_class_not_subclass_of_abstract_notifier_class.py'
exception_validator = RunnableExceptionValidator(lambda: Notifier(
config=notifier_config,
notifier_directory=NOTIFIERS_TEST_INSTANCES_DIRECTORY,
notifier_parent_module=NOTIFIERS_TEST_INSTANCES_MODULE))
exception_validator.verify_exception(
AssertionError,
f"The notifier class defined in '{notifier_config['name']}' must be a subclass of the abstract "
f"Notifier class defined in "
f"{os.path.join(Notifier.NOTIFIER_ABSTRACT_CLASS_MODULE, Notifier.NOTIFIER_ABSTRACT_CLASS_NAME)}"
)
def test_when_notifier_monitor_failure_configuration_missing_then_no_exception(
notifier_config):
notifier_config.pop('configuration')
Notifier(notifier_config, Monitor.NOTIFIERS_DIRECTORY,
Monitor.NOTIFIER_INSTANCES_PARENT_MODULE)
def test_when_comparator_class_meets_all_contract_requirements_then_no_exception(
notifier_config):
notifier_config['name'] = 'well_defined_notifier.py'
Notifier(config=notifier_config,
notifier_directory=NOTIFIERS_TEST_INSTANCES_DIRECTORY,
notifier_parent_module=NOTIFIERS_TEST_INSTANCES_MODULE)