AmazonEc2InstanceUserTagsFactoryBeanTest.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.core.env.ec2;

import com.amazonaws.services.ec2.AmazonEC2;
import com.amazonaws.services.ec2.model.DescribeTagsRequest;
import com.amazonaws.services.ec2.model.DescribeTagsResult;
import com.amazonaws.services.ec2.model.Filter;
import com.amazonaws.services.ec2.model.ResourceType;
import com.amazonaws.services.ec2.model.TagDescription;
import org.junit.Test;

import java.util.Collections;
import java.util.Map;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.when;

/**
 * @author Agim Emruli
 */
public class AmazonEc2InstanceUserTagsFactoryBeanTest {

    @Test
    public void getObject_userTagDataAvailable_objectContainsAllAvailableKeys() throws Exception {
        //Arrange
        AmazonEC2 amazonEC2 = mock(AmazonEC2.class);

        InstanceIdProvider instanceIdProvider = mock(InstanceIdProvider.class);
        when(instanceIdProvider.getCurrentInstanceId()).thenReturn("1234567890");

        DescribeTagsRequest describeTagsRequest = new DescribeTagsRequest().withFilters(
                new Filter("resource-id", Collections.singletonList("1234567890")),
                new Filter("resource-type", Collections.singletonList("instance")));

        DescribeTagsResult describeTagsResult = new DescribeTagsResult().withTags(
                new TagDescription().withKey("keyA").withResourceType(ResourceType.Instance).withValue("valueA"),
                new TagDescription().withKey("keyB").withResourceType(ResourceType.Instance).withValue("valueB")
        );

        when(amazonEC2.describeTags(describeTagsRequest)).thenReturn(describeTagsResult);

        AmazonEc2InstanceUserTagsFactoryBean amazonEc2InstanceUserTagsFactoryBean = new AmazonEc2InstanceUserTagsFactoryBean(amazonEC2, instanceIdProvider);

        //Act
        amazonEc2InstanceUserTagsFactoryBean.afterPropertiesSet();
        Map<String, String> resultMap = amazonEc2InstanceUserTagsFactoryBean.getObject();

        //Assert
        assertEquals("valueA", resultMap.get("keyA"));
        assertEquals("valueB", resultMap.get("keyB"));
        assertFalse(resultMap.containsKey("keyC"));
    }
}