Integration Testing

The seed-testing module provide tools to do integration testing.

The purpose of integration tests is to test the interaction of multiple components together. They are different from unit tests which test only a component (a class) at a time.

SeedStack testing tools are based upon the popular JUnit testing framework. Testing support requires the following dependency in your project:

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dependencies {

Be sure to specify the test scope for this dependency.

SeedStack runner

To run an integration test with SeedStack, make your test class extend the AbstractSeedIT class, which has the effect of using the SeedITRunner JUnit runner:

public class SomeIT extends AbstractSeedIT {
    private Application application;

    public void myTestIsInjected() {

Test class instances will be injected and can be intercepted (for instance for transaction testing).

Execution order

The SeedStack runner will do these operations in order:

  1. The static method annotated with @BeforeKernel is executed if any.
  2. SeedStack is started.
  3. The static method annotated with @BeforeClass is executed if any.
  4. The test class is instantiated by the injector which makes it injectable and interceptable.
  5. The test method annotated with Before is executed if any.
  6. The test method is executed.
  7. The test method annotated with After is executed if any.
  8. Steps 4 to 7 are repeated for each test method. This means that each test is done on a different instance of the test class.
  9. The static method annotated with @AfterClass is executed if any.
  10. SeedStack is stopped.
  11. The static method annotated with @AfterKernel is executed if any.

Simple integration tests run faster than Web integration tests are simpler to maintain. They should be preferred when Web testing is not necessary and be supplemented with the minimal amount of Web integration tests.


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