org.soybeanMilk.test.unit.web.TestDefaultWebExecutor.java Source code

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/**
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *    http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License. 
 */

package org.soybeanMilk.test.unit.web;

import java.io.IOException;
import java.util.List;

import javax.servlet.ServletException;

import org.junit.After;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;
import org.soybeanMilk.web.DefaultWebExecutor;
import org.soybeanMilk.web.WebObjectSource;
import org.soybeanMilk.web.config.WebConfiguration;
import org.soybeanMilk.web.config.parser.WebXmlConfigurationParser;
import org.soybeanMilk.web.exe.WebAction;
import org.soybeanMilk.web.exe.th.AbstractTargetHandler;
import org.soybeanMilk.web.os.DefaultWebObjectSource;
import org.springframework.mock.web.MockHttpServletRequest;
import org.springframework.mock.web.MockHttpServletResponse;
import org.springframework.mock.web.MockServletContext;

/**
 * @author earthangry@gmail.com
 * @date 2012-5-10
 */
public class TestDefaultWebExecutor {
    private DefaultWebExecutor webExecutor;

    @Before
    public void setUp() throws Exception {
        WebXmlConfigurationParser parser = new WebXmlConfigurationParser(null);
        parser.parse("org/soybeanMilk/test/unit/web/TestDefaultWebExecutor.xml");

        WebConfiguration webConfiguration = parser.getWebConfiguration();

        webExecutor = new DefaultWebExecutor(webConfiguration);
    }

    @After
    public void tearDown() throws Exception {
        webExecutor = null;
    }

    @Test
    public void execute_forwardTarget() throws Exception {
        WebObjectSource os = createWebObjectSource();
        webExecutor.execute("exe0", os);

        Assert.assertEquals("url.jsp", ((MockHttpServletResponse) os.getResponse()).getForwardedUrl());
    }

    @Test
    public void execute_redirectTarget() throws Exception {
        WebObjectSource os = createWebObjectSource();
        webExecutor.execute("exe1", os);

        Assert.assertEquals("url.jsp", ((MockHttpServletResponse) os.getResponse()).getRedirectedUrl());
    }

    @Test
    public void execute_customizedTarget() throws Exception {
        WebObjectSource os = createWebObjectSource();
        webExecutor.execute("exe2", os);

        Assert.assertEquals(JsonTargetHandler.jsonHeader,
                ((MockHttpServletResponse) os.getResponse()).getContentType());
        Assert.assertNull(((MockHttpServletResponse) os.getResponse()).getRedirectedUrl());
        Assert.assertNull(((MockHttpServletResponse) os.getResponse()).getForwardedUrl());
    }

    @Test
    public void execute_targetTypeIgnoreCase() throws Exception {
        WebObjectSource os = createWebObjectSource();
        webExecutor.execute("exe3", os);

        Assert.assertEquals("url.jsp", ((MockHttpServletResponse) os.getResponse()).getRedirectedUrl());
    }

    @Test
    public void execute_restful() throws Exception {
        WebObjectSource os = createWebObjectSource();
        webExecutor.execute("test/aaa/1/bbb", os);

        Assert.assertEquals("aaa", os.getRequest().getAttribute("v0"));
        Assert.assertEquals("bbb", os.getRequest().getAttribute("v1"));
        Assert.assertEquals("test/aaa/1/bbb.jsp", ((MockHttpServletResponse) os.getResponse()).getForwardedUrl());
    }

    @Test
    public void execute_resolverClass_typeVariable() throws Exception {
        WebObjectSource os = createWebObjectSource();
        MockHttpServletRequest request = (MockHttpServletRequest) os.getRequest();

        String id = "my id";
        String name = "my name";

        request.setParameter("typeVariable.id", id);
        request.setParameter("typeVariable.name", name);

        webExecutor.execute("typeVariableTest", os);

        TestBeanSub result = os.get("request.testResult");

        Assert.assertEquals(result.getId(), id);
        Assert.assertEquals(result.getName(), name);
    }

    @Test
    public void execute_resolverClass_genericArray() throws Exception {
        WebObjectSource os = createWebObjectSource();
        MockHttpServletRequest request = (MockHttpServletRequest) os.getRequest();

        String[] id = { "id-0", "id-1", "id-2" };
        String[] name = { "name-0", "name-1", "name-2" };

        request.setParameter("genericArray.id", id);
        request.setParameter("genericArray.name", name);

        webExecutor.execute("genericArrayTest", os);

        TestBeanSub[] result = os.get("request.testResult");

        Assert.assertEquals(id.length, result.length);

        for (int i = 0; i < result.length; i++) {
            TestBeanSub tbs = result[i];

            Assert.assertEquals(id[i], tbs.getId());
            Assert.assertEquals(name[i], tbs.getName());
        }
    }

    @Test
    public void execute_resolverClass_parameterizedType() throws Exception {
        WebObjectSource os = createWebObjectSource();
        MockHttpServletRequest request = (MockHttpServletRequest) os.getRequest();

        String[] id = { "id-0", "id-1", "id-2" };
        String[] name = { "name-0", "name-1", "name-2" };

        request.setParameter("parameterizedType.id", id);
        request.setParameter("parameterizedType.name", name);

        webExecutor.execute("parameterizedTypeTest", os);

        List<TestBeanSub> result = os.get("request.testResult");

        Assert.assertEquals(id.length, result.size());

        for (int i = 0; i < result.size(); i++) {
            TestBeanSub tbs = result.get(i);

            Assert.assertEquals(id[i], tbs.getId());
            Assert.assertEquals(name[i], tbs.getName());
        }
    }

    private WebObjectSource createWebObjectSource() {
        MockHttpServletRequest request = new MockHttpServletRequest();
        MockHttpServletResponse response = new MockHttpServletResponse();
        MockServletContext application = new MockServletContext();

        WebObjectSource os = new DefaultWebObjectSource(request, response, application);

        return os;
    }

    public static class JsonTargetHandler extends AbstractTargetHandler {
        public static String jsonHeader = "text/json";

        @Override
        public void handleTarget(WebAction webAction, WebObjectSource webObjectSource)
                throws ServletException, IOException {
            webObjectSource.getResponse().setContentType(jsonHeader);
        }
    }

    public static interface ResolverForTestInterface<T extends TestBean> {
        T typeVariableTest(T param);

        T[] genericArrayTest(T[] param);

        List<T> parameterizedTypeTest(List<T> param);
    }

    public static abstract class AbstractResolverForTest<T extends TestBean>
            implements ResolverForTestInterface<T> {
        public T typeVariableTest(T param) {
            return param;
        }

        public T[] genericArrayTest(T[] param) {
            return param;
        }

        public List<T> parameterizedTypeTest(List<T> param) {
            return param;
        }
    }

    public static class TestResolver extends AbstractResolverForTest<TestBeanSub> {
        public static final String RESULT = "success";

        public String test() {
            return RESULT;
        }
    }

    public static class TestBean {
        private String id;
        private String name;

        public TestBean() {
            super();
        }

        public TestBean(String id, String name) {
            super();
            this.id = id;
            this.name = name;
        }

        public String getId() {
            return id;
        }

        public void setId(String id) {
            this.id = id;
        }

        public String getName() {
            return name;
        }

        public void setName(String name) {
            this.name = name;
        }
    }

    public static class TestBeanSub extends TestBean {
    }
}