def __init__(self):
self.set = StorySet()
self.stories = self.set.stories
self.failures = []
self.errors = []
self.traces = {}
self.directory = None
self.parser = argparse.ArgumentParser()
self.parser.add_argument("directory")
class BaseOutput(metaclass=ABCMeta):
"""Base class for ouput.
Ideally, all outputs should inherit from this class. It contains
methods to help control how the reports are displayed.
"""
def __init__(self):
self.set = StorySet()
self.stories = self.set.stories
self.failures = []
self.errors = []
self.traces = {}
self.directory = None
self.parser = argparse.ArgumentParser()
self.parser.add_argument("directory")
def parse_args(self):
"""Parse the arguments from the argument parser."""
args = self.parser.parse_args()
self.handle_args(args)
def handle_args(self, args):
"""Handle the command-line arguments."""
self.directory = args.directory
def load(self):
"""Load the steps and stories of a given directory."""
directory = self.directory
try:
self.set.load(directory)
except LanguageSyntaxError as err:
self.handle_syntax_error(err)
sys.exit(1)
def run(self):
"""Run the different stories."""
for story_name in self.stories:
self.run_story(story_name)
def run_story(self, story_name):
"""Run a specific story.
In this method, the different assert_* errors are being tested
to produce a report.
"""
story = self.set.stories[story_name]
for scenario in story.scenarios:
self.run_scenario(story_name, scenario)
def run_scenario(self, story_name, scenario):
"""Run a specific scenario."""
try:
self.set.run_scenario(story_name, scenario)
except StepNotFound as err:
self.failures.append(err)
self.traces[scenario.identifier] = traceback.format_exc()
self.handle_step_not_found(err)
except StepAssertionError as err:
self.failures.append(err)
self.traces[scenario.identifier] = traceback.format_exc()
self.handle_assertion(err)
except Exception as err:
self.errors.append((scenario, err))
self.traces[scenario.identifier] = traceback.format_exc()
self.handle_exception(err)
else:
self.handle_success(story_name)
self.display_report()
@abstractmethod
def handle_syntax_error(self, error):
"""Handle a syntax error in one of the user stories."""
pass
@abstractmethod
def handle_step_not_found(self, error):
"""Handle the error if a step cannot be found."""
pass
@abstractmethod
def handle_assertion(self, error):
"""Handle the error when an assertion fails."""
pass
@abstractmethod
def handle_exception(self, exception):
"""Handle the exception when an error occures while executing."""
pass
@abstractmethod
def handle_success(self, story_name):
"""Handle when a user story passes without errors."""
pass
def display_report(self):
"""Display a report."""
self.display_main_report()
self.display_report_failures()
self.display_report_errors()
@abstractmethod
def display_main_report(self):
"""Display the main report (statistics)."""
pass
@abstractmethod
def display_report_failures(self):
"""Display the report on failures."""
pass
@abstractmethod
def display_report_errors(self):
"""Display the report on errors."""
pass
