ContextRegionProviderAutoConfigurationTest.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.autoconfigure.context;

import com.amazonaws.regions.Region;
import com.amazonaws.regions.Regions;
import org.junit.After;
import org.junit.Test;
import org.springframework.boot.test.util.EnvironmentTestUtils;
import org.springframework.cloud.aws.core.region.Ec2MetadataRegionProvider;
import org.springframework.cloud.aws.core.region.StaticRegionProvider;
import org.springframework.context.annotation.AnnotationConfigApplicationContext;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;

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

    private AnnotationConfigApplicationContext context;

    @After
    public void tearDown() throws Exception {
        if (this.context != null) {
            this.context.close();
        }

    }

    @Test
    public void regionProvider_autoDetectionConfigured_Ec2metaDataRegionProviderConfigured() throws Exception {
        //Arrange
        this.context = new AnnotationConfigApplicationContext();
        this.context.register(ContextRegionProviderAutoConfiguration.class);
        EnvironmentTestUtils.addEnvironment(this.context, "cloud.aws.region.auto");

        //Act
        this.context.refresh();

        //Assert
        assertNotNull(this.context.getBean(Ec2MetadataRegionProvider.class));
    }

    @Test
    public void regionProvider_staticRegionConfigured_staticRegionProviderWithConfiguredRegionConfigured() throws Exception {
        //Arrange
        this.context = new AnnotationConfigApplicationContext();
        this.context.register(ContextRegionProviderAutoConfiguration.class);
        EnvironmentTestUtils.addEnvironment(this.context, "cloud.aws.region.static:eu-west-1");

        //Act
        this.context.refresh();
        StaticRegionProvider regionProvider = this.context.getBean(StaticRegionProvider.class);

        //Assert
        assertEquals(Region.getRegion(Regions.EU_WEST_1), regionProvider.getRegion());
    }
}