/*
* 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.core.region;
import com.amazonaws.regions.Region;
import com.amazonaws.regions.Regions;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.ExpectedException;
import static org.junit.Assert.assertEquals;
/**
* @author Agim Emruli
*/
public class Ec2MetadataRegionProviderTest {
@Rule
public final ExpectedException expectedException = ExpectedException.none();
@Test
public void getRegion_availabilityZoneWithMatchingRegion_returnsRegion() throws Exception {
//Arrange
Ec2MetadataRegionProvider regionProvider = new Ec2MetadataRegionProvider() {
@Override
protected Region getCurrentRegion() {
return Region.getRegion(Regions.EU_WEST_1);
}
};
//Act
Region region = regionProvider.getRegion();
//Assert
assertEquals(Region.getRegion(Regions.EU_WEST_1), region);
}
@Test
public void getRegion_noMetadataAvailable_throwsIllegalStateException() throws Exception {
//Arrange
this.expectedException.expect(IllegalStateException.class);
this.expectedException.expectMessage("There is not EC2 meta data available, because the application is not running in the EC2 environment");
Ec2MetadataRegionProvider regionProvider = new Ec2MetadataRegionProvider() {
@Override
protected Region getCurrentRegion() {
return null;
}
};
//Act
regionProvider.getRegion();
//Assert
}
}