Examples of com.google.inject.testing.guiceberry.junit3.GuiceBerryJunit3

Package com.google.inject.testing.guiceberry.junit3

Examples of com.google.inject.testing.guiceberry.junit3.GuiceBerryJunit3

com.google.inject.testing.guiceberry.junit3.GuiceBerryJunit3
Provides the tools to manage the JUnit tests that use {@code Guice}.
To use the {@link GuiceBerryJunit3} it is necessary to:
- Define a {@code Class} that specifies the appropriate bindings.
- Annotate all the JUnit tests that use those bindings with {@link GuiceBerryEnv} annotation and set the value of this annotation to the name of the module.
- Call the {@link GuiceBerryJunit3#setUp(TestCase)} within the {@link TestCase#setUp()} method.
- It is possible to define more than one module and different subclasses of {@link TestCase} may use the different modules (but don't have to).
GuiceBerry is thread-safe so tests can be run in parallel. @see Guice @author Luiz-Otavio Zorzella @author Danka Karwanska

  }


  public static final class Env implements Module {


    public void configure(Binder binder) {
      binder.install(new BasicJunit3Module());
      binder.bind(TestScopeListener.class)
        .to(NoOpTestScopeListener.class)
        .in(SINGLETON);
    }

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  }


  public static final class Env implements Module {


    public void configure(Binder binder) {
      binder.install(new BasicJunit3Module());
      binder.bind(TestScopeListener.class)
        .to(NoOpTestScopeListener.class)
        .in(SINGLETON);
    }

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      public void tearDown() throws Exception {
        currentUniverse = null;
      }
    });
    currentUniverse = new GuiceBerryUniverse();
    return new GuiceBerryJunit3(new GuiceBerry(currentUniverse));
  }

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  }
  
  public void testThatTwoTestsWithSameGbeUseTheSameInjector() 
      throws ClassNotFoundException {
    NonTdtcForGbeOne testOne = NonTdtcForGbeOne.createInstance();
    GuiceBerryJunit3 guiceBerryJunit3 = instance();
    guiceBerryJunit3.doSetUp(testOne);
    
    Injector injectorOne = currentUniverse.gbeClassToInjectorMap.get(Class.forName(GuiceBerryEnvOne.GUICE_BERRY_ENV_ONE));
    GuiceBerryJunit3.tearDown(testOne);


    AnotherNonTdtcForGbeOne testTwo = AnotherNonTdtcForGbeOne.createInstance();
    guiceBerryJunit3.doSetUp(testTwo);
    
    Injector injectorTwo = 
      currentUniverse.gbeClassToInjectorMap.get(Class.forName(GuiceBerryEnvOne.GUICE_BERRY_ENV_ONE));


    // "number" is bound to a random, so this will only pass if the injector

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    JUnitAsserts.assertNotEqual(testOne.number, testTwo.number);
  }


  public void testPutTwoInjectorsInMapForTestsThatDeclareDifferentGbes() {
    NonTdtcForGbeOne testOne = NonTdtcForGbeOne.createInstance();
    GuiceBerryJunit3 guiceBerryJunit3 = instance();
    guiceBerryJunit3.doSetUp(testOne);
    GuiceBerryJunit3.tearDown(testOne);
    
    TestWithGbeTwo testTwo = TestWithGbeTwo.createInstance();
    guiceBerryJunit3.doSetUp(testTwo);
   
    assertEquals(2, currentUniverse.gbeClassToInjectorMap.size());
  }

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    } catch (RuntimeException expected) {}
  }
 
  public void testCallingTwoSetupWithNoTearDownBetween() {
    TestWithGbeOne test = TestWithGbeOne.createInstance();
    GuiceBerryJunit3 guiceBerryJunit3 = instance();
    guiceBerryJunit3.doSetUp(test);
    try {
      guiceBerryJunit3.doSetUp(test);
      fail();
    } catch (RuntimeException expected) {}   
  }

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    test.run();
  }
  
  public void testMethodTearDownForTestCaseNotCalledAutomatically() {
    NonTdtcForGbeOne testOne = NonTdtcForGbeOne.createInstance();
    GuiceBerryJunit3 guiceBerryJunit3 = instance();
    guiceBerryJunit3.doSetUp(testOne);
    testOne.run();


    TestWithGbeOne testTwo = TestWithGbeOne.createInstance();
    try {  
      guiceBerryJunit3.doSetUp(testTwo);
      fail();
    } catch (RuntimeException expected) {}
  }

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    assertTrue(baz < baz2);   
  }


  public void testTestScopeIsCreatedForModule() 
      throws ClassNotFoundException {
    GuiceBerryJunit3 guiceBerryJunit3 = instance();
    TestWithGbeOne test = TestWithGbeOne.createInstance();
    
    assertNull(
      currentUniverse.gbeClassToInjectorMap.get(
        Class.forName(GuiceBerryEnvOne.GUICE_BERRY_ENV_ONE)));
    guiceBerryJunit3.doSetUp(test);
    TestScope testScope = 
      currentUniverse.gbeClassToInjectorMap.get(
        Class.forName(GuiceBerryEnvOne.GUICE_BERRY_ENV_ONE))
        .getInstance(TestScope.class);
    assertNotNull(testScope);

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    return injector.getInstance(TestScope.class);
  }
  
  public void testReUseTestScopeByTwoTestsWithSameGbe() 
    throws ClassNotFoundException{
    GuiceBerryJunit3 guiceBerryJunit3 = instance();
    TestWithGbeOne testOne = TestWithGbeOne.createInstance();
    assertNull(
        getTestScopeForGbe(
            Class.forName(GuiceBerryEnvOne.GUICE_BERRY_ENV_ONE)));
    guiceBerryJunit3.doSetUp(testOne);
    TestScope testScopeOne = 
      getTestScopeForGbe(
          Class.forName(GuiceBerryEnvOne.GUICE_BERRY_ENV_ONE));
    assertNotNull(testScopeOne);
    
    testOne.run();
   
    AnotherTestWithGbeOne testTwo = 
      AnotherTestWithGbeOne.createInstance();
    guiceBerryJunit3.doSetUp(testTwo);
    assertNotNull(getTestScopeForGbe(
        Class.forName(GuiceBerryEnvOne.GUICE_BERRY_ENV_ONE)));
    
    TestScope testScopeTwo = 
      getTestScopeForGbe(

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    assertEquals(1, currentUniverse.gbeClassToInjectorMap.size());
  }  


  public void testThatTestsWithDifferentGbesGetDifferentTestScopes() 
      throws ClassNotFoundException {
    GuiceBerryJunit3 guiceBerryJunit3 = instance();
    TestWithGbeOne testOne = TestWithGbeOne.createInstance();
   
    assertNull(getTestScopeForGbe(
        Class.forName(GuiceBerryEnvOne.GUICE_BERRY_ENV_ONE)));
    guiceBerryJunit3.doSetUp(testOne);
    TestScope testScopeOne = 
      getTestScopeForGbe(
          Class.forName(GuiceBerryEnvOne.GUICE_BERRY_ENV_ONE));
    assertNotNull(testScopeOne);
  
    testOne.run();
    
    TestWithGbeTwo testTwo = TestWithGbeTwo.createInstance();
    guiceBerryJunit3.doSetUp(testTwo);
    assertNotNull(getTestScopeForGbe(
        Class.forName(GuiceBerryEnvTwo.GUICE_BERRY_ENV_TWO)));
    TestScope testScopeTwo = 
      getTestScopeForGbe(
          Class.forName(GuiceBerryEnvTwo.GUICE_BERRY_ENV_TWO));

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