LocaleProviderTest.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 *  or more contributor license agreements.  See the NOTICE file
 *  distributed with this work for additional information
 *  regarding copyright ownership.  The ASF licenses this file
 *  to you 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.github.rodionmoiseev.c10n;

import com.github.rodionmoiseev.c10n.C10N;
import com.github.rodionmoiseev.c10n.C10NConfigBase;
import com.github.rodionmoiseev.c10n.LocaleProvider;
import com.github.rodionmoiseev.c10n.annotations.DefaultC10NAnnotations;
import com.github.rodionmoiseev.c10n.annotations.En;
import com.github.rodionmoiseev.c10n.annotations.Ja;
import com.github.rodionmoiseev.c10n.annotations.Ru;
import org.junit.Test;

import java.util.Locale;

import static org.hamcrest.CoreMatchers.*;
import static org.junit.Assert.*;

/**
 * @author rodion
 */
public class LocaleProviderTest {
    @Test
    public void defaultLocaleIsFetchedFromTheGivenLocaleProvider() {
        final MyLocaleProvider lc = new MyLocaleProvider();
        C10N.configure(new C10NConfigBase() {
            @Override
            protected void configure() {
                install(new DefaultC10NAnnotations());
                setLocaleProvider(lc);
            }
        });

        Buttons msg = C10N.get(Buttons.class);
        lc.locale = new Locale("ru");
        assertThat(msg.ok(), is(equalTo("Ugu")));
        lc.locale = Locale.ENGLISH;
        assertThat(msg.ok(), is(equalTo("OK")));
        lc.locale = Locale.JAPANESE;
        assertThat(msg.ok(), is(equalTo("Hai")));
    }

    private interface Buttons {
        @En("OK")
        @Ru("Ugu")
        @Ja("Hai")
        String ok();
    }

    private static final class MyLocaleProvider implements LocaleProvider {
        public Locale locale = Locale.getDefault();

        @Override
        public Locale getLocale() {
            return locale;
        }
    }
}