AmazonEc2InstanceDataPropertySourcePostProcessorTest.java

/*
 * Copyright 2013-2014 the original author or authors.
 *
 * 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.springframework.cloud.aws.context.config;

import org.junit.Test;
import org.springframework.beans.factory.config.ConfigurableListableBeanFactory;
import org.springframework.beans.factory.support.DefaultListableBeanFactory;
import org.springframework.context.support.StaticApplicationContext;
import org.springframework.core.env.Environment;

import static org.junit.Assert.assertNotNull;
import static org.mockito.Mockito.mock;

/**
 * @author Agim Emruli
 */
public class AmazonEc2InstanceDataPropertySourcePostProcessorTest {

    @Test
    public void postProcessBeanFactory_withConfigurableEnvironment_registersPropertySource() throws Exception {
        //Arrange
        StaticApplicationContext staticApplicationContext = new StaticApplicationContext();
        staticApplicationContext.registerSingleton("process", AmazonEc2InstanceDataPropertySourcePostProcessor.class);

        //Act
        staticApplicationContext.refresh();

        //Assert
        assertNotNull(staticApplicationContext.getEnvironment().getPropertySources().get(
                AmazonEc2InstanceDataPropertySourcePostProcessor.INSTANCE_DATA_PROPERTY_SOURCE_NAME));
    }

    @Test
    public void postProcessBeanFactory_withNonConfigurableEnvironment_skipsRegistration() throws Exception {
        //Arrange
        ConfigurableListableBeanFactory staticApplicationContext = new DefaultListableBeanFactory();
        AmazonEc2InstanceDataPropertySourcePostProcessor processor = new AmazonEc2InstanceDataPropertySourcePostProcessor();
        Environment environment = mock(Environment.class);
        processor.setEnvironment(environment);

        //Act
        processor.postProcessBeanFactory(staticApplicationContext);

        //Assert
    }
}