Examples of org.springframework.test.AssertThrows

org.springframework.test.AssertThrows
class under test public class Foo { public void someBusinessLogic(String name) { if (name == null) { throw new IllegalArgumentException("The 'name' argument is required"); } // rest of business logic here... } } The test for the above bad argument path can be expressed using the {@link AssertThrows} class like so:
```
 public class FooTest { public void testSomeBusinessLogicBadArgumentPath() { new AssertThrows(IllegalArgumentException.class) { public void test() { new Foo().someBusinessLogic(null); } }.runTest(); } }
```
This will result in the test passing if the Foo.someBusinessLogic(..) method threw an {@link java.lang.IllegalArgumentException}; if it did not, the test would fail with the following message:
```
 "Must have thrown a [class java.lang.IllegalArgumentException]"
```
If the wrong type of {@link java.lang.Exception} was thrown, thetest will also fail, this time with a message similar to the following:
```
 "junit.framework.AssertionFailedError: Was expecting a [class java.lang.UnsupportedOperationException] to be thrown, but instead a [class java.lang.IllegalArgumentException] was thrown"
```
The test for the correct {@link java.lang.Exception} respects polymorphism,so you can test that any old {@link java.lang.Exception} is thrown like so:
```
 public class FooTest { public void testSomeBusinessLogicBadArgumentPath() { // any Exception will do... new AssertThrows(Exception.class) { public void test() { new Foo().someBusinessLogic(null); } }.runTest(); } }
```
Intended for use with JUnit 4 and TestNG (as of Spring 3.0). You might want to compare this class with the {@link junit.extensions.ExceptionTestCase} class. @author Rick Evans @author Juergen Hoeller @since 2.0 @deprecated favor use of JUnit 4's {@code @Test(expected=...)} support

    AbstractBeanDefinition beanDefinition = builder.getBeanDefinition();
    beanDefinition.setScope("he put himself so low could hardly look me in the face");


    final DefaultListableBeanFactory factory = new DefaultListableBeanFactory();
    factory.registerBeanDefinition("testBean", beanDefinition);
    new AssertThrows(IllegalStateException.class) {
      public void test() throws Exception {
        factory.getBean("testBean");
      }
    }.runTest();
  }

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  }


  public void testWhereScopeMapHasNullScopeValueInEntrySet() throws Exception {
    new ConfigurableListableBeanFactoryMockTemplate() {
      protected void doTest(final ConfigurableListableBeanFactory factory) {
        new AssertThrows(IllegalArgumentException.class) {
          public void test() throws Exception {
            Map scopes = new HashMap();
            scopes.put(FOO_SCOPE, null);
            CustomScopeConfigurer figurer = new CustomScopeConfigurer();
            figurer.setScopes(scopes);

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  }


  public void testWhereScopeMapHasNonScopeInstanceInEntrySet() throws Exception {
    new ConfigurableListableBeanFactoryMockTemplate() {
      protected void doTest(final ConfigurableListableBeanFactory factory) {
        new AssertThrows(IllegalArgumentException.class) {
          public void test() throws Exception {
            Map scopes = new HashMap();
            scopes.put(FOO_SCOPE, this); // <-- not a valid value...
            CustomScopeConfigurer figurer = new CustomScopeConfigurer();
            figurer.setScopes(scopes);

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  }


  public void testWhereScopeMapHasNonStringTypedScopeNameInKeySet() throws Exception {
    new ConfigurableListableBeanFactoryMockTemplate() {
      protected void doTest(final ConfigurableListableBeanFactory factory) {
        new AssertThrows(IllegalArgumentException.class) {
          public void test() throws Exception {
            Map scopes = new HashMap();
            scopes.put(this, new NoOpScope()); // <-- not a valid value (the key)...
            CustomScopeConfigurer figurer = new CustomScopeConfigurer();
            figurer.setScopes(scopes);

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        CommonsLogFactoryBean factory = new CommonsLogFactoryBean();
        assertEquals(Log.class, factory.getObjectType());
    }


    public void testWhenLogNameIsMissing() throws Exception {
        new AssertThrows(IllegalArgumentException.class) {
            public void test() throws Exception {
                CommonsLogFactoryBean factory = new CommonsLogFactoryBean();
                factory.afterPropertiesSet();
            }
        }.runTest();

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    final MessageListenerAdapter adapter = new MessageListenerAdapter(delegate) {
      protected Object extractMessage(Message message) {
        return message;
      }
    };
    new AssertThrows(InvalidDestinationException.class) {
      public void test() throws Exception {
        adapter.onMessage(sentTextMessage, session);
      }
    }.runTest();

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    final MessageListenerAdapter adapter = new MessageListenerAdapter(delegate) {
      protected Object extractMessage(Message message) {
        return message;
      }
    };
    new AssertThrows(JMSException.class) {
      public void test() throws Exception {
        adapter.onMessage(sentTextMessage, session);
      }
    }.runTest();

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    final MessageListenerAdapter adapter = new MessageListenerAdapter(delegate) {
      protected Object extractMessage(Message message) {
        return message;
      }
    };
    new AssertThrows(ListenerExecutionFailedException.class) {
      public void test() throws Exception {
        adapter.onMessage(message, session);
      }
    }.runTest();

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      protected Object extractMessage(Message message) {
        return message;
      }
    };
    adapter.setMessageConverter(null);
    new AssertThrows(MessageConversionException.class) {
      public void test() throws Exception {
        adapter.onMessage(sentTextMessage, session);
      }
    }.runTest();

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    assertEquals(url.toExternalForm(), urlEditor.getAsText());
    assertTrue(!url.getProtocol().startsWith("classpath"));
  }


  public void testWithNonExistentResource() throws Exception {
    new AssertThrows(IllegalArgumentException.class) {
      public void test() throws Exception {
        PropertyEditor urlEditor = new URLEditor();
        urlEditor.setAsText("gonna:/freak/in/the/morning/freak/in/the.evening");
      }
    }.runTest();

View Full Code Here

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