def test_when_no_argument_then_error(cli_runner):
with cli_runner.isolated_filesystem():
no_args_command_result = cli_runner.invoke(
cli, [start_monitor_command.name])
assert no_args_command_result.exit_code == exit_codes.INVALID_ARGUMENT_EXIT_CODE
assert string_contains(
no_args_command_result.output,
f" Invalid value for \"{start_monitor_command.config_file.short_name}\" / \"{start_monitor_command.config_file.long_name}\": The supplied config file path must exist and not be a directory."
)
def verify_exception(self, exception, message_substring):
try:
self.function()
except exception as e:
assert string_contains(
e.args[0], message_substring
), f"Expected exception message to contain string '{message_substring}', but got '{e.args[0]}'!"
return
raise Exception(
f"Expected function to raise exception of type '{exception.__name__}', but function did not raise exception!"
)
def test_when_config_file_does_not_adhere_to_schema_then_error(cli_runner):
config_file_name = 'my-config-file.json'
with cli_runner.isolated_filesystem():
create_file(config_file_name, '{}')
command_result = cli_runner.invoke(cli, [
start_monitor_command.name,
start_monitor_command.config_file.short_name, config_file_name
])
assert command_result.exit_code == exit_codes.INVALID_ARGUMENT_EXIT_CODE
assert string_contains(
command_result.output,
f"Error parsing config file at '{os.path.abspath(config_file_name)}', path '[]': "
f"'\'monitors\' is a required property'.")
def test_when_config_file_exists_and_is_empty_then_error(cli_runner):
config_file_name = 'my-config-file.json'
with cli_runner.isolated_filesystem():
create_empty_file(config_file_name)
command_result = cli_runner.invoke(cli, [
start_monitor_command.name,
start_monitor_command.config_file.short_name, config_file_name
])
assert command_result.exit_code == exit_codes.INVALID_ARGUMENT_EXIT_CODE
assert string_contains(
command_result.output, f"Could not parse JSON file at "
f"'{os.path.abspath(config_file_name)}'. Failure at line '1', column '1':"
)
def verify_json_schema_exception(self, exception, message_substring,
absolute_path):
try:
self.function()
except exception as e:
assert string_contains(
e.args[0], message_substring
), f"Expected exception message to contain string '{message_substring}', but got '{e.args[0]}'!"
assert list(
e.absolute_path
) == absolute_path, f"Expected exception to have occurred at object path '{absolute_path}', but got exception at object path '{e.absolute_path}'!"
return
raise Exception(
f"Expected function to raise exception of type '{exception.__name__}', but function did not raise exception!"
)