EncodingHandlerFactoryTest.java

package br.com.caelum.vraptor.http;

import static br.com.caelum.vraptor.config.BasicConfiguration.ENCODING;
import static org.hamcrest.Matchers.instanceOf;
import static org.hamcrest.Matchers.is;
import static org.junit.Assert.assertThat;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.when;

import javax.servlet.ServletContext;

import org.junit.Before;
import org.junit.Test;

public class EncodingHandlerFactoryTest {

	private ServletContext context;

	@Before
	public void setUp() throws Exception {
	context = mock(ServletContext.class);
	}

	@Test
	public void shouldReturnANullHandlerWhenThereIsNoEncodingInitParameter() throws Exception {
	when(context.getInitParameter(ENCODING)).thenReturn(null);
	
	EncodingHandlerFactory handlerFactory = new EncodingHandlerFactory(context);
	assertThat(handlerFactory.getInstance(), is(instanceOf(NullEncodingHandler.class)));
	}
	@Test
	public void shouldReturnAWebXmlHandlerWhenThereIsAnEncodingInitParameter() throws Exception {
	when(context.getInitParameter(ENCODING)).thenReturn("UTF-8");
	
	EncodingHandlerFactory handlerFactory = new EncodingHandlerFactory(context);
	assertThat(handlerFactory.getInstance(), is(instanceOf(WebXmlEncodingHandler.class)));
	}
}