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Java example source code file (ContinuingHttpServletRequestTest.java)

This example Java source code file (ContinuingHttpServletRequestTest.java) is included in the alvinalexander.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Learn more about this Java project at its project page.

Java - Java tags/keywords

assertionfailederror, continuinghttpservletrequest, continuinghttpservletrequesttest, cookie, default_max_age, error, http, invalid, request, response, servlet, string, test_value_1, test_value_2, testcase

The ContinuingHttpServletRequestTest.java Java example source code

/**
 * Copyright (C) 2013 Google Inc.
 *
 * 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 com.google.inject.servlet;

import junit.framework.AssertionFailedError;
import static org.easymock.EasyMock.createMock;
import static org.easymock.EasyMock.expect;
import static org.easymock.EasyMock.replay;
import static org.easymock.EasyMock.verify;

import junit.framework.TestCase;

import javax.servlet.http.Cookie;
import javax.servlet.http.HttpServletRequest;

public class ContinuingHttpServletRequestTest extends TestCase {

  private static final String TEST_VALUE_1 = "testValue1";
  private static final String TEST_VALUE_2 = "testValue2";
  private static final int DEFAULT_MAX_AGE = new Cookie("", "").getMaxAge();

  public void testReturnNullCookiesIfDelegateHasNoNull() {
    HttpServletRequest delegate = createMock(HttpServletRequest.class);
    expect(delegate.getCookies()).andStubReturn(null);

    replay(delegate);

    assertNull(new ContinuingHttpServletRequest(delegate).getCookies());

    verify(delegate);
  }
  
  public void testReturnDelegateCookies() {
    Cookie[] cookies = new Cookie[]{
        new Cookie("testName1", TEST_VALUE_1),
        new Cookie("testName2", "testValue2")
    };
    HttpServletRequest delegate = createMock(HttpServletRequest.class);
    expect(delegate.getCookies()).andStubReturn(cookies);

    replay(delegate);

    ContinuingHttpServletRequest continuingRequest = new ContinuingHttpServletRequest(
        delegate);

    assertCookieArraysEqual(cookies, continuingRequest.getCookies());

    // Now mutate the original cookies, this shouldnt be reflected in the continued request.
    cookies[0].setValue("INVALID");
    cookies[1].setValue("INVALID");
    cookies[1].setMaxAge(123);

    try {
      assertCookieArraysEqual(cookies, continuingRequest.getCookies());
      throw new Error();
    } catch (AssertionFailedError e) {
      // Expected.
    }

    // Verify that they remain equal to the original values.
    assertEquals(TEST_VALUE_1, continuingRequest.getCookies()[0].getValue());
    assertEquals(TEST_VALUE_2, continuingRequest.getCookies()[1].getValue());
    assertEquals(DEFAULT_MAX_AGE, continuingRequest.getCookies()[1].getMaxAge());

    // Perform a snapshot of the snapshot.
    ContinuingHttpServletRequest furtherContinuingRequest = new ContinuingHttpServletRequest(
        continuingRequest);

    // The cookies should be fixed.
    assertCookieArraysEqual(continuingRequest.getCookies(), furtherContinuingRequest.getCookies());

    verify(delegate);
  }

  private static void assertCookieArraysEqual(Cookie[] one, Cookie[] two) {
    assertEquals(one.length, two.length);
    for (int i = 0; i < one.length; i++) {
      Cookie cookie = one[i];
      assertCookieEquality(cookie, two[i]);
    }
  }

  private static void assertCookieEquality(Cookie one, Cookie two) {
    assertEquals(one.getName(), two.getName());
    assertEquals(one.getComment(), two.getComment());
    assertEquals(one.getDomain(), two.getDomain());
    assertEquals(one.getPath(), two.getPath());
    assertEquals(one.getValue(), two.getValue());
    assertEquals(one.getMaxAge(), two.getMaxAge());
    assertEquals(one.getSecure(), two.getSecure());
  }
}

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