/*
 * Copyright 2012-2020 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
 *
 *      https://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.context.properties;

import org.junit.jupiter.api.Test;

import org.springframework.beans.factory.config.BeanDefinition;
import org.springframework.beans.factory.support.GenericBeanDefinition;
import org.springframework.core.annotation.MergedAnnotation;

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

/**
 * Tests for {@link ConfigurationPropertiesBeanDefinition}.
 *
 * @author Phillip Webb
 */
class ConfigurationPropertiesBeanDefinitionTests {

	@Test
	void getAnnotationGetsAnnotation() {
		MergedAnnotation<ConfigurationProperties> annotation = MergedAnnotation.of(ConfigurationProperties.class);
		BeanDefinition definition = new ConfigurationPropertiesBeanDefinition(Example.class, annotation);
		assertThat(ConfigurationPropertiesBeanDefinition.getAnnotation(definition)).isSameAs(annotation);
	}

	@Test
	void getAnnotationWhenNullReturnsMissing() {
		assertThat(ConfigurationPropertiesBeanDefinition.getAnnotation(null)).isEqualTo(MergedAnnotation.missing());
	}

	@Test
	void getAnnotationWhenNoAttributeReturnsMissing() {
		GenericBeanDefinition definition = new GenericBeanDefinition();
		assertThat(ConfigurationPropertiesBeanDefinition.getAnnotation(definition))
				.isEqualTo(MergedAnnotation.missing());
	}

	static class Example {

	}

}
