@Test public void throwsExceptionIfMoreThanOneStepCanReactInDifferentUseCases() { thrown.expect(MoreThanOneStepCanReact.class); thrown.expectMessage("Step 1"); thrown.expectMessage("Step 2 with same event as Step 1"); Model model = modelBuilder .useCase("Use Case") .basicFlow() .step("Step 1").user(String.class).system(s -> System.out.println(s)) .useCase("Another Use Case") .basicFlow() .step("Step 2 with same event as Step 1").user(String.class).system(s -> System.out.println(s)) .build(); modelRunner.run(model); modelRunner.reactTo(new String("Some text")); }
@Test public void actorsCanBeReusedBetweenUseCases() { UseCasePart useCasePart = modelBuilder.useCase(USE_CASE); Model model = useCasePart.basicFlow() .step(CUSTOMER_ENTERS_TEXT).as(customer).user(EntersText.class).system(displaysEnteredText()) .useCase(USE_CASE_2) .basicFlow() .step(CUSTOMER_ENTERS_TEXT_AGAIN).as(customer).user(EntersText.class).system(displaysEnteredText()) .build(); Collection<Step> steps = model.getSteps(); assertEquals(2, steps.size()); Iterator<Step> stepsIt = steps.iterator(); Actor actor1 = stepsIt.next().getActors()[0]; Actor actor2 = stepsIt.next().getActors()[0]; assertTrue(actor1 == actor2); assertEquals(customer, actor1); } }
@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 throwsExceptionWhenIncludedUseCaseIsDeclaredLater() { thrown.expect(NoSuchElementInModel.class); thrown.expectMessage(INCLUDED_USE_CASE); modelBuilder .useCase(USE_CASE) .basicFlow() .step(SYSTEM_INCLUDES_USE_CASE).includesUseCase(INCLUDED_USE_CASE) .step(SYSTEM_DISPLAYS_TEXT).system(displaysConstantText()) .useCase(INCLUDED_USE_CASE) .basicFlow() .step(SYSTEM_DISPLAYS_NUMBER).user(EntersNumber.class).system(displaysEnteredNumber()) .build(); } }
@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 includesUseCaseWithBasicFlowAtFirstStep_withoutCondition() { Model model = modelBuilder .useCase(INCLUDED_USE_CASE) .basicFlow() .step(CUSTOMER_ENTERS_NUMBER).user(EntersNumber.class).system(displaysEnteredNumber()) .useCase(USE_CASE) .basicFlow() .step(SYSTEM_INCLUDES_USE_CASE).includesUseCase(INCLUDED_USE_CASE) .step(SYSTEM_DISPLAYS_TEXT).system(displaysConstantText()) .build(); modelRunner.run(model).reactTo(entersNumber(), entersNumber()); assertRecordedStepNames(SYSTEM_INCLUDES_USE_CASE, CUSTOMER_ENTERS_NUMBER, SYSTEM_DISPLAYS_TEXT); }
@Test public void includedUseCaseCanBeRunOnItsOwn() { Model model = modelBuilder .useCase(INCLUDED_USE_CASE) .basicFlow() .step(CUSTOMER_ENTERS_NUMBER).user(EntersNumber.class).system(displaysEnteredNumber()) .useCase(USE_CASE) .basicFlow() .step(CUSTOMER_ENTERS_TEXT).user(EntersText.class).system(displaysEnteredText()) .step(SYSTEM_INCLUDES_USE_CASE).includesUseCase(INCLUDED_USE_CASE) .build(); modelRunner.run(model).reactTo(entersNumber()); assertRecordedStepNames(CUSTOMER_ENTERS_NUMBER); }
@Test public void includesUseCaseWithBasicFlowAtFirstStep_withAnytimeCondition() { Model model = modelBuilder .useCase(INCLUDED_USE_CASE) .basicFlow().anytime() .step(CUSTOMER_ENTERS_NUMBER).user(EntersNumber.class).system(displaysEnteredNumber()) .useCase(USE_CASE) .basicFlow() .step(SYSTEM_INCLUDES_USE_CASE).includesUseCase(INCLUDED_USE_CASE) .step(SYSTEM_DISPLAYS_TEXT).system(displaysConstantText()) .build(); modelRunner.run(model).reactTo(entersNumber(), entersNumber()); assertRecordedStepNames(SYSTEM_INCLUDES_USE_CASE, CUSTOMER_ENTERS_NUMBER, SYSTEM_DISPLAYS_TEXT, CUSTOMER_ENTERS_NUMBER); }
@Test public void includesUseCaseWithBasicFlowAtFirstStep_withFalseCondition_cantReact() { Model model = modelBuilder .useCase(INCLUDED_USE_CASE) .basicFlow().condition(() -> false) .step(CUSTOMER_ENTERS_NUMBER).user(EntersNumber.class).system(displaysEnteredNumber()) .useCase(USE_CASE) .basicFlow() .step(SYSTEM_INCLUDES_USE_CASE).includesUseCase(INCLUDED_USE_CASE) .step(SYSTEM_DISPLAYS_TEXT).system(displaysConstantText()) .build(); modelRunner.run(model).reactTo(entersNumber(), entersNumber()); assertRecordedStepNames(SYSTEM_INCLUDES_USE_CASE); }
@Test public void includesUseCaseWithAlternativeFlowAtSecondStep_withAnytimeCondition() { Model model = modelBuilder .useCase(INCLUDED_USE_CASE) .basicFlow() .step(SYSTEM_HANDLES_EXCEPTION).user(Throwable.class).system(e -> e.printStackTrace()) .flow(ALTERNATIVE_FLOW).anytime() .step(CUSTOMER_ENTERS_NUMBER).user(EntersNumber.class).system(displaysEnteredNumber()) .useCase(USE_CASE) .basicFlow() .step(CUSTOMER_ENTERS_TEXT).user(EntersText.class).system(displaysEnteredText()) .step(SYSTEM_INCLUDES_USE_CASE).includesUseCase(INCLUDED_USE_CASE) .step(SYSTEM_DISPLAYS_TEXT).system(displaysConstantText()) .build(); modelRunner.run(model).reactTo(entersText(), entersNumber(), entersNumber()); assertRecordedStepNames(CUSTOMER_ENTERS_TEXT, SYSTEM_INCLUDES_USE_CASE, CUSTOMER_ENTERS_NUMBER, SYSTEM_DISPLAYS_TEXT, CUSTOMER_ENTERS_NUMBER); }
@Test public void includesUseCaseWithAlternativeFlowAtSecondStep_withFalseCondition() { Model model = modelBuilder .useCase(INCLUDED_USE_CASE) .basicFlow() .step(SYSTEM_HANDLES_EXCEPTION).user(Throwable.class).system(e -> e.printStackTrace()) .flow(ALTERNATIVE_FLOW).condition(() -> false) .step(CUSTOMER_ENTERS_NUMBER).user(EntersNumber.class).system(displaysEnteredNumber()) .useCase(USE_CASE) .basicFlow() .step(CUSTOMER_ENTERS_TEXT).user(EntersText.class).system(displaysEnteredText()) .step(SYSTEM_INCLUDES_USE_CASE).includesUseCase(INCLUDED_USE_CASE) .step(SYSTEM_DISPLAYS_TEXT).system(displaysConstantText()) .build(); modelRunner.run(model).reactTo(entersText(), entersNumber(), entersNumber()); assertRecordedStepNames(CUSTOMER_ENTERS_TEXT, SYSTEM_INCLUDES_USE_CASE); }
@Test public void includesUseCaseWithAlternativeFlowAtSecondStep_withInsteadOfCondition() { Model model = modelBuilder .useCase(INCLUDED_USE_CASE) .basicFlow() .step(SYSTEM_HANDLES_EXCEPTION).user(Throwable.class).system(e -> e.printStackTrace()) .flow(ALTERNATIVE_FLOW).insteadOf(SYSTEM_HANDLES_EXCEPTION) .step(CUSTOMER_ENTERS_NUMBER).user(EntersNumber.class).system(displaysEnteredNumber()) .useCase(USE_CASE) .basicFlow() .step(CUSTOMER_ENTERS_TEXT).user(EntersText.class).system(displaysEnteredText()) .step(SYSTEM_INCLUDES_USE_CASE).includesUseCase(INCLUDED_USE_CASE) .step(SYSTEM_DISPLAYS_TEXT).system(displaysConstantText()) .build(); modelRunner.run(model).reactTo(entersText(), entersNumber(), entersNumber()); assertRecordedStepNames(CUSTOMER_ENTERS_TEXT, SYSTEM_INCLUDES_USE_CASE, CUSTOMER_ENTERS_NUMBER, SYSTEM_DISPLAYS_TEXT); }
@Test public void includesUseCaseWithAlternativeFlowAtFirstStep_withFalseCondition_cantReact() { Model model = modelBuilder .useCase(INCLUDED_USE_CASE) .basicFlow() .step(CUSTOMER_ENTERS_TEXT).user(EntersText.class).system(displaysEnteredText()) .flow(ALTERNATIVE_FLOW).condition(() -> false) .step(CUSTOMER_ENTERS_NUMBER).user(EntersNumber.class).system(displaysEnteredNumber()) .useCase(USE_CASE) .basicFlow() .step(SYSTEM_INCLUDES_USE_CASE).includesUseCase(INCLUDED_USE_CASE) .step(SYSTEM_DISPLAYS_TEXT).system(displaysConstantText()) .build(); modelRunner.run(model).reactTo(entersNumber(), entersNumber()); assertRecordedStepNames(SYSTEM_INCLUDES_USE_CASE); }
@Test public void includesUseCaseWithBasicFlowAtSecondStep_withFalseCondition_cantReact() { Model model = modelBuilder .useCase(INCLUDED_USE_CASE) .basicFlow().condition(() -> false) .step(CUSTOMER_ENTERS_NUMBER).user(EntersNumber.class).system(displaysEnteredNumber()) .useCase(USE_CASE) .basicFlow() .step(CUSTOMER_ENTERS_TEXT).user(EntersText.class).system(displaysEnteredText()) .step(SYSTEM_INCLUDES_USE_CASE).includesUseCase(INCLUDED_USE_CASE) .step(SYSTEM_DISPLAYS_TEXT).system(displaysConstantText()) .build(); modelRunner.run(model).reactTo(entersText(), entersNumber(), entersNumber()); assertRecordedStepNames(CUSTOMER_ENTERS_TEXT, SYSTEM_INCLUDES_USE_CASE); }
@Test public void includesUseCaseWithAlternativeFlowAtFirstStep_withoutCondition() { Model model = modelBuilder .useCase(INCLUDED_USE_CASE) .basicFlow() .step(CUSTOMER_ENTERS_TEXT).user(EntersText.class).system(displaysEnteredText()) .flow(ALTERNATIVE_FLOW) .step(CUSTOMER_ENTERS_NUMBER).user(EntersNumber.class).system(displaysEnteredNumber()) .useCase(USE_CASE) .basicFlow() .step(SYSTEM_INCLUDES_USE_CASE).includesUseCase(INCLUDED_USE_CASE) .step(SYSTEM_DISPLAYS_TEXT).system(displaysConstantText()) .build(); modelRunner.run(model).reactTo(entersNumber(), entersNumber()); assertRecordedStepNames(SYSTEM_INCLUDES_USE_CASE, CUSTOMER_ENTERS_NUMBER, SYSTEM_DISPLAYS_TEXT); }
@Test public void includesUseCaseWithAlternativeFlowAtFirstStep_witInsteadOfCondition() { Model model = modelBuilder .useCase(INCLUDED_USE_CASE) .basicFlow() .step(CUSTOMER_ENTERS_TEXT).user(EntersText.class).system(displaysEnteredText()) .flow(ALTERNATIVE_FLOW).insteadOf(CUSTOMER_ENTERS_TEXT) .step(CUSTOMER_ENTERS_NUMBER).user(EntersNumber.class).system(displaysEnteredNumber()) .useCase(USE_CASE) .basicFlow() .step(SYSTEM_INCLUDES_USE_CASE).includesUseCase(INCLUDED_USE_CASE) .step(SYSTEM_DISPLAYS_TEXT).system(displaysConstantText()) .build(); modelRunner.run(model).reactTo(entersNumber(), entersNumber()); assertRecordedStepNames(SYSTEM_INCLUDES_USE_CASE, CUSTOMER_ENTERS_NUMBER, SYSTEM_DISPLAYS_TEXT); }
@Test public void includesUseCaseWithBasicFlowAtSecondStep_withoutCondition() { Model model = modelBuilder .useCase(INCLUDED_USE_CASE) .basicFlow() .step(CUSTOMER_ENTERS_NUMBER).user(EntersNumber.class).system(displaysEnteredNumber()) .useCase(USE_CASE) .basicFlow() .step(CUSTOMER_ENTERS_TEXT).user(EntersText.class).system(displaysEnteredText()) .step(SYSTEM_INCLUDES_USE_CASE).includesUseCase(INCLUDED_USE_CASE) .step(SYSTEM_DISPLAYS_TEXT).system(displaysConstantText()) .build(); modelRunner.run(model).reactTo(entersText(), entersNumber(), entersNumber()); assertRecordedStepNames(CUSTOMER_ENTERS_TEXT, SYSTEM_INCLUDES_USE_CASE, CUSTOMER_ENTERS_NUMBER, SYSTEM_DISPLAYS_TEXT); }
@Test public void includesUseCaseWithAlternativeFlowAtFirstStep_witAnytimeCondition() { Model model = modelBuilder .useCase(INCLUDED_USE_CASE) .basicFlow() .step(CUSTOMER_ENTERS_TEXT).user(EntersText.class).system(displaysEnteredText()) .flow(ALTERNATIVE_FLOW).anytime() .step(CUSTOMER_ENTERS_NUMBER).user(EntersNumber.class).system(displaysEnteredNumber()) .useCase(USE_CASE) .basicFlow() .step(SYSTEM_INCLUDES_USE_CASE).includesUseCase(INCLUDED_USE_CASE) .step(SYSTEM_DISPLAYS_TEXT).system(displaysConstantText()) .build(); modelRunner.run(model).reactTo(entersNumber(), entersNumber()); assertRecordedStepNames(SYSTEM_INCLUDES_USE_CASE, CUSTOMER_ENTERS_NUMBER, SYSTEM_DISPLAYS_TEXT, CUSTOMER_ENTERS_NUMBER); }
@Test public void includesUseCaseWithBasicFlowAtSecondStep_withAnytimeCondition() { Model model = modelBuilder .useCase(INCLUDED_USE_CASE) .basicFlow().anytime() .step(CUSTOMER_ENTERS_NUMBER).user(EntersNumber.class).system(displaysEnteredNumber()) .useCase(USE_CASE) .basicFlow() .step(CUSTOMER_ENTERS_TEXT).user(EntersText.class).system(displaysEnteredText()) .step(SYSTEM_INCLUDES_USE_CASE).includesUseCase(INCLUDED_USE_CASE) .step(SYSTEM_DISPLAYS_TEXT).system(displaysConstantText()) .build(); modelRunner.run(model).reactTo(entersText(), entersNumber(), entersNumber()); assertRecordedStepNames(CUSTOMER_ENTERS_TEXT, SYSTEM_INCLUDES_USE_CASE, CUSTOMER_ENTERS_NUMBER, SYSTEM_DISPLAYS_TEXT, CUSTOMER_ENTERS_NUMBER); }
@Test public void includeUseCaseTwoNonConsecutiveTimes() { Model model = modelBuilder .useCase(INCLUDED_USE_CASE) .basicFlow() .step(CUSTOMER_ENTERS_NUMBER).user(EntersNumber.class).system(displaysEnteredNumber()) .useCase(USE_CASE) .basicFlow() .step(CUSTOMER_ENTERS_TEXT).user(EntersText.class).system(displaysEnteredText()) .step(SYSTEM_INCLUDES_USE_CASE).includesUseCase(INCLUDED_USE_CASE) .step(SYSTEM_DISPLAYS_TEXT).system(displaysConstantText()) .step(SYSTEM_INCLUDES_USE_CASE_2).includesUseCase(INCLUDED_USE_CASE) .build(); modelRunner.run(model).reactTo(entersText(), entersNumber(), entersNumber()); assertRecordedStepNames(CUSTOMER_ENTERS_TEXT, SYSTEM_INCLUDES_USE_CASE, CUSTOMER_ENTERS_NUMBER, SYSTEM_DISPLAYS_TEXT, SYSTEM_INCLUDES_USE_CASE_2, CUSTOMER_ENTERS_NUMBER); }