public Model buildWith(ModelBuilder modelBuilder) { Model model = modelBuilder.useCase("Feel Stuff") .basicFlow() .step("1").user(asksForPoem).system(feelStuffUseCaseRealization::writesSadPoem) .step("2").user(asksForPoem).system(feelStuffUseCaseRealization::writesHappyPoem) .step("3").user(asksForPoem).system(feelStuffUseCaseRealization::writesFunnyPoem) .build(); return model; } }
static Model model() { SaysHelloWorld saysHelloWorld = new SaysHelloWorld(); SaysHelloToUser saysHelloToUser = new SaysHelloToUser(); Model model = Model.builder().useCase("Say hello to world, then user") .basicFlow() .step("S1").user(ASKS_FOR_HELLO_WORLD).system(saysHelloWorld) .step("S2").user(ASKS_FOR_HELLO_TO_USER).system(saysHelloToUser) .build(); return model; }
public Model buildWith(ModelBuilder modelBuilder) { Model model = modelBuilder.useCase("Get greeted") .basicFlow() .step("S1").system(this::promptsUserToEnterFirstName) .step("S2").user(ENTERS_FIRST_NAME).system(this::savesFirstName) .step("S3").system(this::promptsUserToEnterAge) .step("S4").user(ENTERS_AGE).system(this::savesAge) .step("S5").system(this::greetsUserWithFirstNameAndAge) .build(); return model; }
public Model buildWith(ModelBuilder modelBuilder) { Model model = modelBuilder.useCase("Get greeted") .basicFlow() .step("S1").system(this::promptsUserToEnterFirstName) .step("S2").user(ENTERS_FIRST_NAME).system(this::greetsUserWithFirstName) .build(); return model; }
@Test public void oneStepCanReactIfEventIsRight() { Model model = modelBuilder.useCase(USE_CASE) .basicFlow() .step(CUSTOMER_ENTERS_TEXT).user(EntersText.class).system(displaysEnteredText()).build(); modelRunner.run(model); boolean canReact = modelRunner.canReactTo(entersText().getClass()); assertTrue(canReact); Set<Step> stepsThatCanReact = modelRunner.getStepsThatCanReactTo(entersText().getClass()); assertEquals(1, stepsThatCanReact.size()); assertEquals(CUSTOMER_ENTERS_TEXT, stepsThatCanReact.iterator().next().getName().toString()); }
@Test public void singleEventTypeReactedTo() { Model model = modelBuilder.useCase(USE_CASE) .basicFlow() .step(CUSTOMER_ENTERS_TEXT).user(EntersText.class).system(displaysEnteredText()).build(); modelRunner.run(model); Set<Class<?>> reactToTypes = modelRunner.getReactToTypes(); assertEquals(1, reactToTypes.size()); Class<?> eventTypeReactedTo = reactToTypes.iterator().next(); assertEquals(EntersText.class, eventTypeReactedTo); }
@Test public void sameEventTypeReactedTo() { Model model = modelBuilder.useCase(USE_CASE) .basicFlow().anytime() .step(CUSTOMER_ENTERS_TEXT).user(EntersText.class).system(displaysEnteredText()) .flow("Alternative Flow: Could react as well").anytime() .step(CUSTOMER_ENTERS_ALTERNATIVE_TEXT).user(EntersText.class).system(displaysEnteredText()) .build(); modelRunner.run(model); Set<Class<?>> reactToTypes = modelRunner.getReactToTypes(); assertEquals(1, reactToTypes.size()); Class<?> eventTypeReactedTo = reactToTypes.iterator().next(); assertEquals(EntersText.class, eventTypeReactedTo); }
@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 twoSequentialStepsReactWhenOneIsUserStepAndOtherIsSystemStep() { Model model = modelBuilder .useCase(USE_CASE) .basicFlow() .step(CUSTOMER_ENTERS_TEXT).user(EntersText.class) .step(SYSTEM_DISPLAYS_TEXT).system(displaysConstantText()) .build(); Optional<Step> latestStepRun = modelRunner.run(model).reactTo(entersText()); assertTrue(latestStepRun.map(step -> step.getName().equals(SYSTEM_DISPLAYS_TEXT)).orElse(false)); assertRecordedStepNames(CUSTOMER_ENTERS_TEXT, SYSTEM_DISPLAYS_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 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 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 cantReactIfEventIsWrong() { Model model = modelBuilder.useCase(USE_CASE) .basicFlow() .step(CUSTOMER_ENTERS_TEXT).user(EntersText.class).system(displaysEnteredText()) .build(); modelRunner.run(model); boolean canReact = modelRunner.canReactTo(entersNumber().getClass()); assertFalse(canReact); }
@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 createsSingleStepThatHandlesUserCommandWithCondition() { UseCasePart useCasePart = modelBuilder.useCase(USE_CASE); useCasePart.basicFlow().condition(() -> textIsAvailable()) .step(CUSTOMER_ENTERS_TEXT).user(EntersText.class).system(displaysEnteredText()) .build(); UseCase useCase = useCasePart.getUseCase(); assertTrue(useCase.getBasicFlow().getCondition().isPresent()); }
@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 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 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); }