private Consumer<EntersText> displaysEnteredTextAndIncrementCounter(){ return enteredText -> { displaysEnteredText().accept(enteredText); timesDisplayed++; }; }
@Test public void doesNotReactToEmptyEventList() { Model model = modelBuilder .useCase(USE_CASE) .basicFlow() .step(CUSTOMER_ENTERS_TEXT).user(EntersText.class).system(displaysEnteredText()) .build(); Optional<Step> latestStepRun = modelRunner.run(model).reactTo(new ArrayList<Object>()); assertFalse(latestStepRun.isPresent()); assertRecordedStepNames(new String[0]); }
@Test public void twoSequentialStepsReactToEventsOfSameType() { Model model = modelBuilder .useCase(USE_CASE) .basicFlow() .step(CUSTOMER_ENTERS_TEXT).user(EntersText.class).system(displaysEnteredText()) .step(CUSTOMER_ENTERS_TEXT_AGAIN).user(EntersText.class).system(displaysEnteredText()) .build(); modelRunner.run(model); reactToAndAssertEvents(entersText(), entersText()); }
@Test public void twoSequentialStepsReactWhenSeveralActorsContainRightActorAtFirstPosition() { Model model = modelBuilder .useCase(USE_CASE) .basicFlow() .step(CUSTOMER_ENTERS_TEXT) .as(customer).user(EntersText.class).system(displaysEnteredText()) .step(CUSTOMER_ENTERS_TEXT_AGAIN) .as(customer, secondActor).user(EntersText.class).system(displaysEnteredText()) .build(); modelRunner.as(customer).run(model); reactToAndAssertEvents(entersText(), entersText()); }
@Test public void twoSequentialStepsReactWhenSeveralActorsContainRightActorAtSecondPosition() { Model model = modelBuilder .useCase(USE_CASE) .basicFlow() .step(CUSTOMER_ENTERS_TEXT) .as(customer).user(EntersText.class).system(displaysEnteredText()) .step(CUSTOMER_ENTERS_TEXT_AGAIN) .as(secondActor, customer).user(EntersText.class).system(displaysEnteredText()) .build(); modelRunner.as(customer).run(model); reactToAndAssertEvents(entersText(), entersText()); }
@Test public void doesNotReactToEventIfNotRunning() { Model model = modelBuilder .useCase(USE_CASE) .basicFlow() .step(CUSTOMER_ENTERS_TEXT).user(EntersText.class).system(displaysEnteredText()) .build(); modelRunner.run(model); modelRunner.stop(); Optional<Step> latestStepRun = modelRunner.reactTo(entersText()); assertFalse(latestStepRun.isPresent()); assertRecordedStepNames(new String[0]); }
@Test public void twoSequentialStepsReactOnlyWhenActorIsRight() { Model model = modelBuilder .useCase(USE_CASE) .basicFlow() .step(CUSTOMER_ENTERS_TEXT) .as(customer).user(EntersText.class).system(displaysEnteredText()) .step(CUSTOMER_ENTERS_TEXT_AGAIN) .as(secondActor).user(EntersText.class).system(displaysEnteredText()) .build(); modelRunner.as(customer).run(model).reactTo(entersText(), entersText()); assertRecordedStepNames(CUSTOMER_ENTERS_TEXT); }
@Test public void oneStepInFlowReacts() { Model model = modelBuilder .useCase(USE_CASE) .basicFlow() .step(CUSTOMER_ENTERS_TEXT).user(EntersText.class).system(displaysEnteredText()) .build(); modelRunner.run(model); reactToAndAssertEvents(entersText()); }
@Test public void doesNotReactToEmptyEvents() { Model model = modelBuilder .useCase(USE_CASE) .basicFlow() .step(CUSTOMER_ENTERS_TEXT).user(EntersText.class).system(displaysEnteredText()) .build(); modelRunner.run(model).reactTo(); assertRecordedStepNames(new String[0]); }
@Test public void stepThasHasTrueConditionReactsEvenIfOtherStepWouldBePerformedBySystem() { Model model = modelBuilder .useCase(USE_CASE) .basicFlow() .step(CUSTOMER_ENTERS_TEXT).user(EntersText.class).system(displaysEnteredText()) .flow("Alternative Flow: Skipped").condition(() -> false) .step(THIS_STEP_SHOULD_BE_SKIPPED).system(() -> System.out.println("You should not see this!")) .build(); modelRunner.run(model).reactTo(entersText(), entersText()); assertRecordedStepNames(CUSTOMER_ENTERS_TEXT); }
@Test public void reactsToAlternativeAfterFirstStep() { Model model = modelBuilder .useCase(USE_CASE) .basicFlow() .step(CUSTOMER_ENTERS_TEXT).user(EntersText.class).system(displaysEnteredText()) .step(THIS_STEP_SHOULD_BE_SKIPPED).user(EntersText.class).system(throwsRuntimeException()) .flow(ALTERNATIVE_FLOW).insteadOf(THIS_STEP_SHOULD_BE_SKIPPED) .step(CUSTOMER_ENTERS_ALTERNATIVE_TEXT).user(EntersText.class).system(displaysEnteredText()) .build(); modelRunner.run(model).reactTo(entersText(), entersAlternativeText()); assertRecordedStepNames(CUSTOMER_ENTERS_TEXT, CUSTOMER_ENTERS_ALTERNATIVE_TEXT); }
@Test public void twoSequentialStepsReactWhenActorIsChanged() { Model model = modelBuilder .useCase(USE_CASE) .basicFlow() .step(CUSTOMER_ENTERS_TEXT) .as(customer).user(EntersText.class).system(displaysEnteredText()) .step(CUSTOMER_ENTERS_TEXT_AGAIN) .as(secondActor).user(EntersText.class).system(displaysEnteredText()) .build(); modelRunner.as(customer).run(model).reactTo(entersText()); modelRunner.as(secondActor).run(model).reactTo(entersText()); assertRecordedStepNames(CUSTOMER_ENTERS_TEXT, CUSTOMER_ENTERS_TEXT_AGAIN); }
@Test public void doesNotReactToAlreadyRunStep() { Model model = modelBuilder .useCase(USE_CASE) .basicFlow() .step(CUSTOMER_ENTERS_TEXT).user(EntersText.class).system(displaysEnteredText()) .build(); modelRunner.run(model).reactTo(entersText(), entersText()); assertRecordedStepNames(CUSTOMER_ENTERS_TEXT); }
@Test public void twoSequentialStepsReactToEventsOfDifferentType() { Model model = modelBuilder .useCase(USE_CASE) .basicFlow() .step(CUSTOMER_ENTERS_TEXT).user(EntersText.class).system(displaysEnteredText()) .step(CUSTOMER_ENTERS_NUMBER).user(EntersNumber.class).system(displaysEnteredNumber()) .build(); modelRunner.run(model); reactToAndAssertEvents(entersText(), entersNumber()); }
@Test public void startsOneOfTwoParallelUseCasesByDifferentEvent() { Model model = modelBuilder .useCase(USE_CASE) .basicFlow() .step(CUSTOMER_ENTERS_TEXT).user(EntersText.class).system(displaysEnteredText()) .useCase(USE_CASE_2) .basicFlow() .step(CUSTOMER_ENTERS_NUMBER).user(EntersNumber.class).system(displaysEnteredNumber()) .build(); modelRunner.run(model); reactToAndAssertEvents(entersNumber()); }
@Test public void onlyStepWithTrueConditionReacts() { Model model = modelBuilder .useCase(USE_CASE) .basicFlow() .step(CUSTOMER_ENTERS_TEXT).user(EntersText.class).system(displaysEnteredText()) .flow("Alternative Flow: Skipped").condition(() -> false) .step(THIS_STEP_SHOULD_BE_SKIPPED).user(EntersText.class).system(throwsRuntimeException()) .build(); modelRunner.run(model).reactTo(entersText(), entersText()); assertRecordedStepNames(CUSTOMER_ENTERS_TEXT); }
@Test public void startsTwoUseCasesSequentially() { Model model = modelBuilder .useCase(USE_CASE) .basicFlow() .step(CUSTOMER_ENTERS_TEXT).user(EntersText.class).system(displaysEnteredText()) .useCase(USE_CASE_2) .basicFlow().condition(this::textIsAvailable) .step(CUSTOMER_ENTERS_NUMBER).user(EntersNumber.class).system(displaysEnteredNumber()) .build(); modelRunner.run(model); reactToAndAssertEvents(entersText(), entersNumber()); }
@Test public void onlyStepWithRightActorReacts() { Model model = modelBuilder .useCase(USE_CASE) .basicFlow() .step(CUSTOMER_ENTERS_TEXT) .as(customer).user(EntersText.class).system(displaysEnteredText()) .step(CUSTOMER_ENTERS_TEXT_AGAIN) .as(secondActor).user(EntersText.class).system(throwsRuntimeException()) .build(); modelRunner.as(customer).run(model).reactTo(entersText(), entersText()); assertRecordedStepNames(CUSTOMER_ENTERS_TEXT); }
@Test public void reactsToFirstStepAlternativeWhen() { Model model = modelBuilder .useCase(USE_CASE) .basicFlow() .step(THIS_STEP_SHOULD_BE_SKIPPED).user(EntersText.class).system(throwsRuntimeException()) .step(THIS_STEP_SHOULD_BE_SKIPPED_AS_WELL).user(EntersText.class).system(throwsRuntimeException()) .flow(ALTERNATIVE_FLOW).condition(this::textIsNotAvailable) .step(CUSTOMER_ENTERS_ALTERNATIVE_TEXT).user(EntersText.class).system(displaysEnteredText()) .build(); modelRunner.run(model).reactTo(entersText()); assertRecordedStepNames(CUSTOMER_ENTERS_ALTERNATIVE_TEXT); }
@Test public void twoSequentialStepsReactWhenRunningWithDifferentActors() { Model model = modelBuilder .useCase(USE_CASE) .basicFlow() .step(CUSTOMER_ENTERS_TEXT) .as(customer).user(EntersText.class).system(displaysEnteredText()) .step(CUSTOMER_ENTERS_NUMBER) .as(secondActor).user(EntersNumber.class).system(displaysEnteredNumber()) .build(); modelRunner.as(customer).run(model).reactTo(entersText()); modelRunner.as(secondActor).reactTo(entersNumber()); assertRecordedStepNames(CUSTOMER_ENTERS_TEXT, CUSTOMER_ENTERS_NUMBER); }