org.wicketstuff.dojo11.WicketTestCase.java Source code

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Here is the source code for org.wicketstuff.dojo11.WicketTestCase.java

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/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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.wicketstuff.dojo11;

import junit.framework.TestCase;
import org.apache.wicket.Component;
import org.apache.wicket.Page;
import org.apache.wicket.WicketRuntimeException;
import org.apache.wicket.behavior.AbstractAjaxBehavior;
import org.apache.wicket.protocol.http.MockHttpServletResponse;
import org.apache.wicket.util.tester.WicketTester;

/**
 * Base class for tests which require comparing wicket response with a file.
 * <p>
 * To create/replace the expected result file with the new content, define the
 * system property like -Dwicket.replace.expected.results=true
 * 
 */
public abstract class WicketTestCase extends TestCase {
    /** */
    public WicketTester tester;

    /**
     * Constructor
     */
    public WicketTestCase() {
    }

    /**
     * Create the test.
     * 
     * @param name
     *            The test name
     */
    public WicketTestCase(String name) {
        super(name);
    }

    protected void setUp() throws Exception {
        tester = new WicketTester();
    }

    protected void tearDown() throws Exception {
        tester.destroy();
    }

    /**
     * Use <code>-Dwicket.replace.expected.results=true</code> to
     * automatically replace the expected output file.
     * 
     * @param pageClass
     * @param filename
     * @throws Exception
     */
    protected void executeTest(final Class<? extends Page> pageClass, final String filename) throws Exception {
        System.out.println("=== " + pageClass.getName() + " ===");

        tester.startPage(pageClass);
        tester.assertRenderedPage(pageClass);
        tester.assertResultPage(this.getClass(), filename);
    }

    /**
     * 
     * @param pageClass
     * @param component
     * @param filename
     * @throws Exception
     */
    protected void executedListener(final Class<?> pageClass, final Component component, final String filename)
            throws Exception {
        assertNotNull(component);

        System.out.println("=== " + pageClass.getName() + " : " + component.getPageRelativePath() + " ===");

        tester.executeListener(component);
        tester.assertResultPage(pageClass, filename);
    }

    /**
     * 
     * @param pageClass
     * @param behavior
     * @param filename
     * @throws Exception
     */
    protected void executedBehavior(final Class<?> pageClass, final AbstractAjaxBehavior behavior,
            final String filename) throws Exception {
        assertNotNull(behavior);

        System.out.println("=== " + pageClass.getName() + " : " + behavior.toString() + " ===");

        tester.executeBehavior(behavior);
        tester.assertResultPage(pageClass, filename);
    }

    protected String getContentType() {
        return ((MockHttpServletResponse) tester.getWicketResponse().getHttpServletResponse())
                .getHeader("Content-Type");
    }

    protected int getContentLength() {
        String contentLength = ((MockHttpServletResponse) tester.getWicketResponse().getHttpServletResponse())
                .getHeader("Content-Length");
        if (contentLength == null)
            throw new WicketRuntimeException("No Content-Length header found");
        return Integer.parseInt(contentLength);
    }

    protected String getLastModified() {
        return ((MockHttpServletResponse) tester.getWicketResponse().getHttpServletResponse())
                .getHeader("Last-Modified");
    }

    protected String getContentDisposition() {
        return ((MockHttpServletResponse) tester.getWicketResponse().getHttpServletResponse())
                .getHeader("Content-Disposition");
    }

    protected void assertAjaxLocation() {
        assertNull("Location header should *not* be present when using Ajax",
                ((MockHttpServletResponse) tester.getWicketResponse().getHttpServletResponse())
                        .getRedirectLocation());
        String ajaxLocation = ((MockHttpServletResponse) tester.getWicketResponse().getHttpServletResponse())
                .getHeader("Ajax-Location");
        assertNotNull("Ajax-Location header should be present when using Ajax", ajaxLocation);
        int statusCode = ((MockHttpServletResponse) tester.getWicketResponse().getHttpServletResponse())
                .getStatus();
        assertEquals(200, statusCode);
    }
}