HttpServletContextMapTests.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.HashMap;
import java.util.Map;
import java.util.Map.Entry;

import junit.framework.TestCase;

import org.springframework.mock.web.MockServletContext;

/**
 * Test case for the {@link HttpServletContextMap} class.
 * 
 * @author Ulrik Sandberg
 * @author Erwin Vervaet
 */
public class HttpServletContextMapTests extends TestCase {

  private HttpServletContextMap tested;

  private MockServletContext context;

  protected void setUp() throws Exception {
    super.setUp();
    context = new MockServletContext();
    // a fresh MockServletContext seems to already contain an element;
    // that's confusing, so we remove it
    context.removeAttribute("javax.servlet.context.tempdir");
    tested = new HttpServletContextMap(context);
    tested.put("SomeKey", "SomeValue");
  }

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

  public void testIsEmpty() {
    tested.remove("SomeKey");
    assertEquals("size,", 0, tested.size());
    assertEquals("isEmpty,", true, tested.isEmpty());
  }

  public void testSizeAddOne() {
    assertEquals("size,", 1, tested.size());
  }

  public void testSizeAddTwo() {
    tested.put("SomeOtherKey", "SomeOtherValue");
    assertEquals("size,", 2, tested.size());
  }

  public void testContainsKey() {
    assertEquals("containsKey,", true, tested.containsKey("SomeKey"));
  }

  public void testContainsValue() {
    assertTrue(tested.containsValue("SomeValue"));
  }

  public void testGet() {
    assertEquals("get,", "SomeValue", tested.get("SomeKey"));
  }

  public void testPut() {
    Object old = tested.put("SomeKey", "SomeNewValue");

    assertEquals("old value,", "SomeValue", old);
    assertEquals("new value,", "SomeNewValue", tested.get("SomeKey"));
  }

  public void testRemove() {
    Object old = tested.remove("SomeKey");

    assertEquals("old value,", "SomeValue", old);
    assertNull("should be gone", tested.get("SomeKey"));
  }

  public void testPutAll() {
    Map otherMap = new HashMap();
    otherMap.put("SomeOtherKey", "SomeOtherValue");
    otherMap.put("SomeKey", "SomeUpdatedValue");
    tested.putAll(otherMap);
    assertEquals("SomeOtherValue", tested.get("SomeOtherKey"));
    assertEquals("SomeUpdatedValue", tested.get("SomeKey"));
  }

  public void testClear() {
    tested.clear();
    assertTrue(tested.isEmpty());
  }

  public void testKeySet() {
    assertEquals(1, tested.keySet().size());
    assertTrue(tested.keySet().contains("SomeKey"));
  }

  public void testValues() {
    assertEquals(1, tested.values().size());
    assertTrue(tested.values().contains("SomeValue"));
  }

  public void testEntrySet() {
    assertEquals(1, tested.entrySet().size());
    assertEquals("SomeKey", ((Entry) tested.entrySet().iterator().next()).getKey());
    assertEquals("SomeValue", ((Entry) tested.entrySet().iterator().next()).getValue());
  }
}