ResourceBundleBindingTest.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.test.utils.RuleUtils;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.TestRule;

import java.util.Locale;

import static org.hamcrest.CoreMatchers.is;
import static org.junit.Assert.assertThat;

public class ResourceBundleBindingTest {
    @Rule
    public TestRule tmpLocale = RuleUtils.tmpLocale(Locale.ENGLISH);

    @Rule
    public TestRule tmpC10N = RuleUtils.tmpC10NConfiguration();

    @Test
    public void rootBundleBinding() {
        C10N.configure(new C10NConfigBase() {
            @Override
            public void configure() {
                bindBundle("com.github.rodionmoiseev.c10n.testBundles.TestBundle");
            }
        });
        Labels labels = C10N.get(Labels.class);
        assertThat(labels.greeting(), is("Hello, World!"));
        assertThat(labels.argGreeting("C10N"), is("Hello, C10N!"));
    }

    @Test
    public void bundlesExplicitlyBoundToOtherClassesDoNotMatch() {
        C10N.configure(new C10NConfigBase() {
            @Override
            public void configure() {
                bindBundle("com.github.rodionmoiseev.c10n.testBundles.TestBundle")
                        .to(Buttons.class);
            }
        });
        Labels labels = C10N.get(Labels.class);
        assertThat(labels.greeting(), is("Labels.greeting"));

        Buttons buttons = C10N.get(Buttons.class);
        assertThat(buttons.ok(), is("OK!"));
    }

    @Test
    public void multiLanguageBundleBinding() {
        C10N.configure(new C10NConfigBase() {
            @Override
            public void configure() {
                bindBundle("com.github.rodionmoiseev.c10n.testBundles.TestBundle");
            }
        });
        Labels labels = C10N.get(Labels.class);
        Buttons buttons = C10N.get(Buttons.class);

        Locale.setDefault(Locale.JAPANESE);
        assertThat(labels.greeting(), is("こんにちは世界!"));
        assertThat(labels.argGreeting("C10N"), is("こんにちはC10N!"));
        assertThat(buttons.ok(), is("はい"));

        Locale.setDefault(Locale.ENGLISH);
        assertThat(labels.greeting(), is("Hello, World!"));
        assertThat(labels.argGreeting("C10N"), is("Hello, C10N!"));
        assertThat(buttons.ok(), is("OK!"));
    }

    @Test
    public void bundleKeysAreGeneratedBasedOnTheClassTheMethodIsDeclaredIn() {
        C10N.configure(new C10NConfigBase() {
            @Override
            public void configure() {
                bindBundle("com.github.rodionmoiseev.c10n.testBundles.TestBundle");
            }
        });
        ExtLabels labels = C10N.get(ExtLabels.class);

        Locale.setDefault(Locale.JAPANESE);
        assertThat(labels.greeting(), is("こんにちは世界!"));
        assertThat(labels.argGreeting("C10N"), is("こんにちはC10N!"));

        Locale.setDefault(Locale.ENGLISH);
        assertThat(labels.greeting(), is("Hello, World!"));
        assertThat(labels.argGreeting("C10N"), is("Hello, C10N!"));
    }

    interface Labels {

        String greeting();

        String argGreeting(String who);
    }

    interface ExtLabels extends Labels {
    }

    interface Buttons {
        String ok();
    }
}