ExceptionRecorderTest.java

package br.com.caelum.vraptor.core;

import static org.hamcrest.MatcherAssert.assertThat;
import static org.mockito.Mockito.verify;

import java.io.IOException;

import org.hamcrest.Matchers;
import org.junit.Before;
import org.junit.Test;
import org.mockito.Mock;
import org.mockito.MockitoAnnotations;

import br.com.caelum.vraptor.Result;
import br.com.caelum.vraptor.proxy.JavassistProxifier;
import br.com.caelum.vraptor.proxy.ObjenesisInstanceCreator;
import br.com.caelum.vraptor.proxy.Proxifier;

public class ExceptionRecorderTest {
	
	static final String DEFAULT_REDIRECT = "/any-resource";

	@Mock private Result result;
	private ExceptionMapper mapper;

	@Before
	public void setUp() {
	MockitoAnnotations.initMocks(this);
	Proxifier proxifier = new JavassistProxifier(new ObjenesisInstanceCreator());
	mapper = new DefaultExceptionMapper(proxifier);
	}

	@Test
	public void withRootException() {
	mapper.record(Exception.class).forwardTo(DEFAULT_REDIRECT);
	mapper.findByException(new Exception()).replay(result);

	verify(result).forwardTo(DEFAULT_REDIRECT);
	}

	@Test
	public void withNestedException() {
	mapper.record(IllegalStateException.class).forwardTo(DEFAULT_REDIRECT);
	mapper.findByException(new RuntimeException(new IllegalStateException())).replay(result);

	verify(result).forwardTo(DEFAULT_REDIRECT);
	}

	@Test
	public void whenNotFoundException() {
	mapper.record(IOException.class).forwardTo(DEFAULT_REDIRECT);
	ExceptionRecorder<Result> recorder = mapper.findByException(new RuntimeException(new IllegalStateException()));

	assertThat(recorder, Matchers.nullValue());
	}
}