OnMissingAmazonClientConditionTest.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.annotation;

import com.amazonaws.services.s3.AmazonS3;
import org.junit.Test;
import org.springframework.context.annotation.AnnotationConfigApplicationContext;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
import static org.mockito.Mockito.mock;

/**
 * @author Alain Sahli
 */
public class OnMissingAmazonClientConditionTest {

    @Test
    public void condition_withMatchingCase_shouldCreateBeanFoo() throws Exception {
        // Arrange & Act
        AnnotationConfigApplicationContext applicationContext = new AnnotationConfigApplicationContext(ConfigWithMissingAmazonClientCondition.class);

        // Assert
        assertTrue(applicationContext.containsBean("foo"));
    }

    @Test
    public void condition_withNonMatchingCase_shouldNotCreateBeanFoo() throws Exception {
        // Arrange & Act
        AnnotationConfigApplicationContext applicationContext = new AnnotationConfigApplicationContext(ConfigWithDummyS3Client.class,
                ConfigWithMissingAmazonClientCondition.class);

        // Assert
        assertFalse(applicationContext.containsBean("foo"));
    }

    @Configuration
    protected static class ConfigWithDummyS3Client {

        @Bean
        public AmazonS3 amazonS3() {
            return mock(AmazonS3.class);
        }

    }

    @Configuration
    protected static class ConfigWithMissingAmazonClientCondition {

        @Bean
        @ConditionalOnMissingAmazonClient(AmazonS3.class)
        public String foo() {
            return "foo";
        }

    }

}