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

            }
        }.runTest();
    }


    public void testToMessageThrowsExceptionIfGivenIncompatibleObjectToConvert() throws Exception {
        new AssertThrows(MessageConversionException.class) {
            public void test() throws Exception {
                new SimpleMessageConverter().toMessage(new Object(), null);
            }
        }.runTest();
    }

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        final Map content = new HashMap();
        content.put(new Integer(1), "value1");


        final SimpleMessageConverter converter = new SimpleMessageConverter();
        new AssertThrows(MessageConversionException.class) {
            public void test() throws Exception {
                converter.toMessage(content, session);
            }
        }.runTest();

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        final Map content = new HashMap();
        content.put(null, "value1");


        final SimpleMessageConverter converter = new SimpleMessageConverter();
        new AssertThrows(MessageConversionException.class) {
            public void test() throws Exception {
                converter.toMessage(content, session);
            }
        }.runTest();

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    List cacheControlHeaders = response.getHeaders("Cache-Control");
    assertTrue("'Cache-Control' header set (must not be) : empty", cacheControlHeaders.size() == 0);
  }


  public void testSetPathMatcherToNull() throws Exception {
    new AssertThrows(IllegalArgumentException.class) {
      public void test() throws Exception {
        WebContentInterceptor interceptor = new WebContentInterceptor();
        interceptor.setPathMatcher(null);
      }
    }.runTest();

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 * @since 08.10.2004
 */
public class ValidationUtilsTests extends TestCase {


  public void testInvokeValidatorWithNullValidator() throws Exception {
    new AssertThrows(IllegalArgumentException.class) {
      public void test() throws Exception {
        TestBean tb = new TestBean();
        Errors errors = new BeanPropertyBindingResult(tb, "tb");
        ValidationUtils.invokeValidator(null, tb, errors);
      }

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      }
    }.runTest();
  }


  public void testInvokeValidatorWithNullErrors() throws Exception {
    new AssertThrows(IllegalArgumentException.class) {
      public void test() throws Exception {
        TestBean tb = new TestBean();
        ValidationUtils.invokeValidator(new EmptyValidator(), tb, null);
      }
    }.runTest();

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  private static final String SQL = "select count(0) from t_sheep where over_fence = ... yawn... 1";




  public void testTranslateNullException() throws Exception {
    new AssertThrows(IllegalArgumentException.class) {
      public void test() throws Exception {
        new SQLStateSQLExceptionTranslator().translate("", "", null);
      }
    }.runTest();
  }

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 * @author Rick Evans
 */
public final class PortletUtilsTests extends TestCase {


  public void testGetTempDirWithNullPortletContext() throws Exception {
    new AssertThrows(IllegalArgumentException.class, "null PortletContext passed as argument") {
      public void test() throws Exception {
        PortletUtils.getTempDir(null);
      }
    }.runTest();
  }

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      }
    }.test();
  }


  public void testGetRealPathWithNullPortletContext() throws Exception {
    new AssertThrows(IllegalArgumentException.class) {
      public void test() throws Exception {
        PortletUtils.getRealPath(null, "/foo");
      }
    }.runTest();
  }

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      }
    }.runTest();
  }


  public void testGetRealPathWithNullPath() throws Exception {
    new AssertThrows(NullPointerException.class) {
      public void test() throws Exception {
        PortletUtils.getRealPath(new MockPortletContext(), null);
      }
    }.runTest();
  }

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