easymock单元测试实例二

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public class SampleServlet extends HttpServlet {    public boolean isAuthenticated(HttpServletRequest request){        HttpSession session=request.getSession(false);        if(session==null){            return false;        }        String authenticationAttribute = (String) session.getAttribute("authenticated");        return Boolean.valueOf(authenticationAttribute).booleanValue();    }}

本实例的测试目标是SampleServlet的isAuthenticated方法。为了测试该方法，可以有两种解决方案：

1.使用mock objects 来测试。

2.在容器中测试，即 in-container testing

首先使用第一种方法，使用mock objects来测试：

package easymock;import org.junit.After;import org.junit.Before;import org.junit.Test;import javax.servlet.http.HttpServletRequest;import javax.servlet.http.HttpSession;import static junit.framework.Assert.assertFalse;import static junit.framework.Assert.assertTrue;import static org.easymock.EasyMock.*;/** * Created by yameng on 14-1-12. */public class EasyMockSampleServletTest {    private SampleServlet sampleServlet;    private HttpServletRequest mockHttpServletRequest;    private HttpSession mockHttpSession;    @Before    public void setUp(){        sampleServlet=new SampleServlet();        mockHttpServletRequest=createStrictMock(HttpServletRequest.class);        mockHttpSession = createStrictMock(HttpSession.class);    }    @Test    public void testIsAuthenticatedAuthenticated() {        expect(mockHttpServletRequest.getSession(eq(false))).andReturn(mockHttpSession);        expect(mockHttpSession.getAttribute(eq("authenticated"))).andReturn("true");        replay(mockHttpServletRequest);        replay(mockHttpSession);        assertTrue(sampleServlet.isAuthenticated(mockHttpServletRequest));    }    @Test    public void testIsAuthenticatedNotAuthenticated() {        expect(mockHttpSession.getAttribute(eq("authenticated"))).andReturn("false");        replay(mockHttpSession);        expect(mockHttpServletRequest.getSession(eq(false))).andReturn(mockHttpSession);        replay(mockHttpServletRequest);        assertFalse(sampleServlet.isAuthenticated(mockHttpServletRequest));    }    @Test    public void testIsAuthenticatedNoSession() {        expect(mockHttpServletRequest.getSession(eq(false))).andReturn(null);        replay(mockHttpServletRequest);        replay(mockHttpSession);        assertFalse(sampleServlet.isAuthenticated(mockHttpServletRequest));    }    @After    public void tearDown(){        verify(mockHttpServletRequest);        verify(mockHttpSession);    }}

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