DefaultLocaleProviderTest.java

/*
 * Copyright (c) 2001-2007, Inversoft Inc., All Rights Reserved
 *
 * 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.primeframework.mvc.locale;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpSession;
import java.util.Locale;

import org.easymock.EasyMock;
import org.primeframework.mock.servlet.MockHttpServletRequest;
import org.primeframework.mock.servlet.MockServletContext;
import org.testng.annotations.Test;

import static org.testng.Assert.*;

/**
 * This tests the default locale store.
 *
 * @author Brian Pontarelli
 */
public class DefaultLocaleProviderTest {
  @Test
  public void system() {
    Locale.setDefault(Locale.FRENCH);

    DefaultLocaleProvider provider = new DefaultLocaleProvider(null);
    assertEquals(provider.get(), Locale.FRENCH);

    Locale.setDefault(Locale.US);
  }

  @Test
  public void fallBackViaMock() {
    Locale.setDefault(Locale.FRENCH);

    MockHttpServletRequest request = new MockHttpServletRequest("/", (MockServletContext) null);
    DefaultLocaleProvider provider = new DefaultLocaleProvider(request);
    assertEquals(provider.get(), Locale.FRENCH);

    Locale.setDefault(Locale.US);
  }

  @Test
  public void storeSession() {
    HttpSession session = EasyMock.createStrictMock(HttpSession.class);
    session.setAttribute(DefaultLocaleProvider.LOCALE_KEY, Locale.GERMANY);
    EasyMock.replay(session);

    HttpServletRequest request = EasyMock.createStrictMock(HttpServletRequest.class);
    EasyMock.expect(request.getSession(false)).andReturn(session);
    request.setAttribute("javax.servlet.jsp.jstl.fmt.locale", Locale.GERMANY);
    EasyMock.replay(request);

    DefaultLocaleProvider provider = new DefaultLocaleProvider(request);
    provider.set(Locale.GERMANY);

    EasyMock.verify(request, session);
  }

  @Test
  public void storeRequest() {
    HttpServletRequest request = EasyMock.createStrictMock(HttpServletRequest.class);
    EasyMock.expect(request.getSession(false)).andReturn(null);
    request.setAttribute(DefaultLocaleProvider.LOCALE_KEY, Locale.GERMANY);
    request.setAttribute("javax.servlet.jsp.jstl.fmt.locale", Locale.GERMANY);
    EasyMock.replay(request);

    DefaultLocaleProvider provider = new DefaultLocaleProvider(request);
    provider.set(Locale.GERMANY);

    EasyMock.verify(request);
  }

  @Test
  public void lookupSession() {
    HttpSession session = EasyMock.createStrictMock(HttpSession.class);
    EasyMock.expect(session.getAttribute(DefaultLocaleProvider.LOCALE_KEY)).andReturn(Locale.CANADA);
    EasyMock.replay(session);

    HttpServletRequest request = EasyMock.createStrictMock(HttpServletRequest.class);
    EasyMock.expect(request.getSession(false)).andReturn(session);
    request.setAttribute("javax.servlet.jsp.jstl.fmt.locale", Locale.CANADA);
    EasyMock.replay(request);

    DefaultLocaleProvider provider = new DefaultLocaleProvider(request);
    assertEquals(provider.get(), Locale.CANADA);

    EasyMock.verify(session);
  }

  @Test
  public void lookupRequest() {
    HttpServletRequest request = EasyMock.createStrictMock(HttpServletRequest.class);
    EasyMock.expect(request.getSession(false)).andReturn(null);
    EasyMock.expect(request.getAttribute(DefaultLocaleProvider.LOCALE_KEY)).andReturn(Locale.CANADA);
    request.setAttribute("javax.servlet.jsp.jstl.fmt.locale", Locale.CANADA);
    EasyMock.replay(request);

    DefaultLocaleProvider provider = new DefaultLocaleProvider(request);
    assertEquals(provider.get(), Locale.CANADA);

    EasyMock.verify(request);
  }

  @Test
  public void lookupClient() {
    HttpServletRequest request = EasyMock.createStrictMock(HttpServletRequest.class);
    EasyMock.expect(request.getSession(false)).andReturn(null);
    EasyMock.expect(request.getAttribute(DefaultLocaleProvider.LOCALE_KEY)).andReturn(null);
    EasyMock.expect(request.getLocale()).andReturn(Locale.CANADA);
    request.setAttribute("javax.servlet.jsp.jstl.fmt.locale", Locale.CANADA);
    EasyMock.replay(request);

    DefaultLocaleProvider provider = new DefaultLocaleProvider(request);
    assertEquals(provider.get(), Locale.CANADA);

    EasyMock.verify(request);
  }
}