AnyNestedConditionTests.java

/*
 * Copyright 2012-2016 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.boot.autoconfigure.condition;

import org.junit.Test;

import org.springframework.boot.test.util.EnvironmentTestUtils;
import org.springframework.context.annotation.AnnotationConfigApplicationContext;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Condition;
import org.springframework.context.annotation.ConditionContext;
import org.springframework.context.annotation.Conditional;
import org.springframework.context.annotation.Configuration;
import org.springframework.core.type.AnnotatedTypeMetadata;

import static org.assertj.core.api.Assertions.assertThat;

/**
 * Tests for {@link AnyNestedCondition}.
 *
 * @author Phillip Webb
 * @author Dave Syer
 */
public class AnyNestedConditionTests {

	@Test
	public void neither() throws Exception {
		AnnotationConfigApplicationContext context = load(Config.class);
		assertThat(context.containsBean("myBean")).isFalse();
		context.close();
	}

	@Test
	public void propertyA() throws Exception {
		AnnotationConfigApplicationContext context = load(Config.class, "a:a");
		assertThat(context.containsBean("myBean")).isTrue();
		context.close();
	}

	@Test
	public void propertyB() throws Exception {
		AnnotationConfigApplicationContext context = load(Config.class, "b:b");
		assertThat(context.containsBean("myBean")).isTrue();
		context.close();
	}

	@Test
	public void both() throws Exception {
		AnnotationConfigApplicationContext context = load(Config.class, "a:a", "b:b");
		assertThat(context.containsBean("myBean")).isTrue();
		context.close();
	}

	private AnnotationConfigApplicationContext load(Class<?> config, String... env) {
		AnnotationConfigApplicationContext context = new AnnotationConfigApplicationContext();
		EnvironmentTestUtils.addEnvironment(context, env);
		context.register(config);
		context.refresh();
		return context;
	}

	@Configuration
	@Conditional(OnPropertyAorBCondition.class)
	public static class Config {

		@Bean
		public String myBean() {
			return "myBean";
		}

	}

	static class OnPropertyAorBCondition extends AnyNestedCondition {

		OnPropertyAorBCondition() {
			super(ConfigurationPhase.PARSE_CONFIGURATION);
		}

		@ConditionalOnProperty("a")
		static class HasPropertyA {

		}

		@ConditionalOnExpression("true")
		@ConditionalOnProperty("b")
		static class HasPropertyB {

		}

		@Conditional(NonSpringBootCondition.class)
		static class SubclassC {

		}

	}

	static class NonSpringBootCondition implements Condition {

		@Override
		public boolean matches(ConditionContext context, AnnotatedTypeMetadata metadata) {
			return false;
		}

	}

}