Method testCombineSources

core/test/com/google/inject/ModulesTest.java:45–68

The module returned by Modules.combine shouldn't show up in binder sources.

()

  /** The module returned by Modules.combine shouldn't show up in binder sources. */
  public void testCombineSources() {
    final Module m1 = newModule(1);
    final Module m2 = newModule(2L);
    final Module combined1 = Modules.combine(m1, m2);
    Module skipSourcesModule =
        new AbstractModule() {
          @Override
          protected void configure() {
            install(combined1);
          }
        };
    final Module combined2 = Modules.combine(skipSourcesModule); // returns skipSourcesModule
    Injector injector = Guice.createInjector(combined2);
    ElementSource source = (ElementSource) injector.getBinding(Integer.class).getSource();
    assertEquals(3, source.getModuleClassNames().size());
    assertEquals(
        ImmutableList.of(
            m1.getClass().getName(),
            combined1.getClass().getName(),
            skipSourcesModule.getClass().getName()),
        source.getModuleClassNames());
    StackTraceElement stackTraceElement = (StackTraceElement) source.getDeclaringSource();
    assertEquals(skipSourcesModule.getClass().getName(), stackTraceElement.getClassName());
  }

  private <T> Module newModule(final T toBind) {
    return new AbstractModule() {