/*
 * 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 org.apache.commons.configuration2.spring;

import org.apache.commons.configuration2.PropertiesConfiguration;
import org.junit.Assert;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.support.PropertySourcesPlaceholderConfigurer;
import org.springframework.core.env.ConfigurableEnvironment;
import org.springframework.core.env.MutablePropertySources;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;

/**
 * test for ConfigurationPropertySource
 */
@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration
public class TestConfigurationPropertySource
{

    private static final String TEST_PROPERTY = "test.property";
    private static final String TEST_VALUE = "testVALUE";

    @Value("${" + TEST_PROPERTY + "}")
    private String value;

    @Test
    public void testValueInjection()
    {
        Assert.assertEquals(TEST_VALUE, value);
    }

    @Configuration
    static class Config
    {

        @Bean
        public PropertySourcesPlaceholderConfigurer propertySourcesPlaceholderConfigurer(
                ConfigurableEnvironment env)
        {
            PropertySourcesPlaceholderConfigurer configurer =
                    new PropertySourcesPlaceholderConfigurer();
            // https://jira.spring.io/browse/SPR-9631 may simplify this in
            // future
            MutablePropertySources sources = new MutablePropertySources();
            sources.addLast(createConfigPropertySource());
            configurer.setPropertySources(sources);
            configurer.setEnvironment(env);
            return configurer;
        }
    }

    private static ConfigurationPropertySource createConfigPropertySource()
    {
        PropertiesConfiguration propertiesConfiguration =
                new PropertiesConfiguration();
        propertiesConfiguration.addProperty(TEST_PROPERTY, TEST_VALUE);
        return new ConfigurationPropertySource("test configuration",
                propertiesConfiguration);
    }

}
