org.openmrs.contrib.metadatarepository.webapp.filter.LocaleFilterTest.java Source code

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Here is the source code for org.openmrs.contrib.metadatarepository.webapp.filter.LocaleFilterTest.java

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/**
 * The contents of this file are subject to the OpenMRS Public License
 * Version 1.0 (the "License"); you may not use this file except in
 * compliance with the License. You may obtain a copy of the License at
 * http://license.openmrs.org
 *
 * Software distributed under the License is distributed on an "AS IS"
 * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
 * License for the specific language governing rights and limitations
 * under the License.
 *
 * Copyright (C) OpenMRS, LLC.  All Rights Reserved.
 */

package org.openmrs.contrib.metadatarepository.webapp.filter;

import junit.framework.TestCase;

import org.openmrs.contrib.metadatarepository.Constants;
import org.openmrs.contrib.metadatarepository.webapp.filter.LocaleFilter;
import org.springframework.context.i18n.LocaleContextHolder;
import org.springframework.mock.web.MockFilterConfig;
import org.springframework.mock.web.MockHttpServletRequest;
import org.springframework.mock.web.MockHttpServletResponse;
import org.springframework.mock.web.MockHttpSession;

import javax.servlet.jsp.jstl.core.Config;
import java.util.Locale;

public class LocaleFilterTest extends TestCase {
    private LocaleFilter filter = null;

    protected void setUp() throws Exception {
        filter = new LocaleFilter();
        filter.init(new MockFilterConfig());
    }

    public void testSetLocaleInSessionWhenSessionIsNull() throws Exception {
        MockHttpServletRequest request = new MockHttpServletRequest();
        request.addParameter("locale", "es");

        MockHttpServletResponse response = new MockHttpServletResponse();
        filter.doFilter(request, response, new MockFilterChain());

        // no session, should result in null
        assertNull(request.getSession().getAttribute(Constants.PREFERRED_LOCALE_KEY));
        // thread locale should always have it, regardless of session
        assertNotNull(LocaleContextHolder.getLocale());
    }

    public void testSetLocaleInSessionWhenSessionNotNull() throws Exception {
        MockHttpServletRequest request = new MockHttpServletRequest();
        request.addParameter("locale", "es");

        MockHttpServletResponse response = new MockHttpServletResponse();
        request.setSession(new MockHttpSession(null));

        filter.doFilter(request, response, new MockFilterChain());

        // session not null, should result in not null
        Locale locale = (Locale) request.getSession().getAttribute(Constants.PREFERRED_LOCALE_KEY);
        assertNotNull(locale);
        assertNotNull(LocaleContextHolder.getLocale());
        assertEquals(new Locale("es"), locale);
    }

    public void testSetInvalidLocale() throws Exception {
        MockHttpServletRequest request = new MockHttpServletRequest();
        request.addParameter("locale", "foo");

        MockHttpServletResponse response = new MockHttpServletResponse();
        request.setSession(new MockHttpSession(null));

        filter.doFilter(request, response, new MockFilterChain());

        // a locale will get set regardless - there's no such thing as an invalid one
        assertNotNull(request.getSession().getAttribute(Constants.PREFERRED_LOCALE_KEY));
    }

    public void testJstlLocaleIsSet() throws Exception {
        MockHttpServletRequest request = new MockHttpServletRequest();
        request.addParameter("locale", "es");

        MockHttpServletResponse response = new MockHttpServletResponse();
        request.setSession(new MockHttpSession(null));

        filter.doFilter(request, response, new MockFilterChain());

        assertNotNull(Config.get(request.getSession(), Config.FMT_LOCALE));
    }

    public void testLocaleAndCountry() throws Exception {
        MockHttpServletRequest request = new MockHttpServletRequest();
        request.setSession(new MockHttpSession());
        request.addParameter("locale", "zh_TW");

        MockHttpServletResponse response = new MockHttpServletResponse();
        filter.doFilter(request, response, new MockFilterChain());

        // session not null, should result in not null
        Locale locale = (Locale) request.getSession().getAttribute(Constants.PREFERRED_LOCALE_KEY);
        assertNotNull(locale);
        assertEquals(new Locale("zh", "TW"), locale);
    }
}