MockSupport for Delegate Execution Beans

texens — Thu, 25 Sep 2014 10:03:08 GMT

Currently Activiti support Mock Support for Service Tasks if they are defined as classes. In the BPMN file, define the service task as : <serviceTask id="serviceTask" activiti:class="com.yourcompany.delegate"/>‍‍‍and then in the test file, @Test @Deployment @MockServiceTask(originalC

Re: MockSupport for Delegate Execution Beans

jtmille3 — Fri, 07 Aug 2015 13:29:39 GMT

I'd like to +1 this. Any solution?

Re: MockSupport for Delegate Execution Beans

jsalmon — Fri, 14 Aug 2015 11:24:26 GMT

+1, I'm also looking for a nice way to mock beans referenced in expressions.

Re: MockSupport for Delegate Execution Beans

jsalmon — Fri, 14 Aug 2015 14:38:30 GMT

I figured out a way to achieve this using Mockito and modifying the ProcessEngineConfiguration slightly. I didn't find any better way of doing it yet.

Note: I'm using Spring Boot.

<java>
@RunWith(SpringJUnit4ClassRunner.class)
@SpringApplicationConfiguration(classes = Application.class)
@TestPropertySource("classpath:application.properties")
@WebIntegrationTest
public class WorkflowTest {

/** This service is NOT being mocked */
@Autowired
WorkflowService workflowService;

/** This service is being mocked */
@Mock
ConfigurationService configurationService;

@Before
public void setUp() throws Exception {
    // Initialise the mock services
    MockitoAnnotations.initMocks(this);

    // Set a MockExpressionManager on the ProcessEngineConfiguration.
    SpringProcessEngineConfiguration configuration = (SpringProcessEngineConfiguration) ProcessEngines.getDefaultProcessEngine().getProcessEngineConfiguration();
    configuration.setExpressionManager(new MockExpressionManager());

    // Register the services. Note that you need to register ALL services, even if they are not mocks,
    // otherwise the ExpressionManager and hence the process instance will not be able to resolve them.
    Mocks.register("workflowService", workflowService); // Real service
    Mocks.register("configurationService", configurationService); // Mocked service
}
</java>

Then the workflow will use the mock service whenever it is invoked.

If your mocked service needs to set some execution variables for later on in the workflow, you can do it with a Mockito stub:

<java>
@Test
public void test() throws Exception {
    // …

    doAnswer(invocation -> {
      DelegateExecution execution = (DelegateExecution) invocation.getArguments()[0];
      execution.setVariable("configured", true);
      return null;
    }).when(configurationService).execute(anyObject());

    // …
}
</java>

Hope this helps somebody.

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