/**
* Run steps before or after a collection of stories. Steps are execute only <b>once</b> per
* collection of stories.
*
* @param configuration the Configuration used to find the steps to run
* @param candidateSteps the List of CandidateSteps containing the candidate steps methods
* @param stage the Stage
* @return The State after running the steps
*/
public State runBeforeOrAfterStories(
Configuration configuration, List<CandidateSteps> candidateSteps, Stage stage) {
String storyPath = capitalizeFirstLetter(stage.name().toLowerCase()) + "Stories";
reporter.set(configuration.storyReporter(storyPath));
reporter.get().beforeStory(new Story(storyPath), false);
RunContext context = new RunContext(configuration, candidateSteps, storyPath, MetaFilter.EMPTY);
if (stage == Stage.BEFORE) {
resetStoryFailure(context);
}
if (stage == Stage.AFTER && storiesState.get() != null) {
context.stateIs(storiesState.get());
}
try {
runStepsWhileKeepingState(
context,
configuration
.stepCollector()
.collectBeforeOrAfterStoriesSteps(context.candidateSteps(), stage));
} catch (InterruptedException e) {
throw new UUIDExceptionWrapper(e);
}
reporter.get().afterStory(false);
storiesState.set(context.state());
// if we are running with multiple threads, call delayed
// methods, otherwise we will forget to close files on BeforeStories
if (stage == Stage.BEFORE) {
if (reporter.get() instanceof ConcurrentStoryReporter) {
((ConcurrentStoryReporter) reporter.get()).invokeDelayed();
}
}
// handle any after stories failure according to strategy
if (stage == Stage.AFTER) {
try {
handleStoryFailureByStrategy();
} catch (Throwable e) {
return new SomethingHappened(storyFailure.get());
} finally {
if (reporter.get() instanceof ConcurrentStoryReporter) {
((ConcurrentStoryReporter) reporter.get()).invokeDelayed();
}
}
}
return context.state();
}
private void runStepsWhileKeepingState(RunContext context, List<Step> steps)
throws InterruptedException {
if (steps == null || steps.size() == 0) {
return;
}
State state = context.state();
for (Step step : steps) {
try {
context.interruptIfCancelled();
state = state.run(step);
} catch (RestartingScenarioFailure e) {
reporter.get().restarted(step.toString(), e);
throw e;
}
}
context.stateIs(state);
}