HttpServletRequestParameterMapTests.java :  » Workflow-Engines » spring-webflow-2.0.8 » org » springframework » webflow » context » servlet » Java Open Source

/*
 * Copyright 2004-2008 the original author or authors.
 *
 * 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.springframework.webflow.context.servlet;

import java.util.Iterator;

import junit.framework.TestCase;

import org.springframework.mock.web.MockHttpServletRequest;

/**
 * Unit test for the {@link HttpServletRequestParameterMap} class.
 * 
 * @author Ulrik Sandberg
 */
public class HttpServletRequestParameterMapTests extends TestCase {

  private HttpServletRequestParameterMap tested;

  private MockHttpServletRequest request;

  protected void setUp() throws Exception {
    super.setUp();
    request = new MockHttpServletRequest();
    tested = new HttpServletRequestParameterMap(request);
  }

  protected void tearDown() throws Exception {
    super.tearDown();
    request = null;
    tested = null;
  }

  public void testGetAttribute() {
    request.setParameter("Some param", "Some value");
    // perform test
    Object result = tested.getAttribute("Some param");
    assertEquals("Some value", result);
  }

  public void testSetAttribute() {
    // perform test
    try {
      tested.setAttribute("Some key", "Some value");
      fail("UnsupportedOperationException expected");
    } catch (UnsupportedOperationException expected) {
      // expected
    }
  }

  public void testRemoveAttribute() {
    request.setParameter("Some param", "Some value");
    // perform test
    try {
      tested.removeAttribute("Some param");
      fail("UnsupportedOperationException expected");
    } catch (UnsupportedOperationException expected) {
      // expected
    }
  }

  public void testGetAttributeNames() {
    request.setParameter("Some param", "Some value");
    // perform test
    Iterator names = tested.getAttributeNames();
    assertNotNull("Null result unexpected", names);
    assertTrue("More elements", names.hasNext());
    String name = (String) names.next();
    assertEquals("Some param", name);
  }
}