/*
 * Copyright 2012-2019 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.actuate.autoconfigure.web.jersey;

import org.glassfish.jersey.server.ResourceConfig;
import org.glassfish.jersey.servlet.ServletContainer;
import org.junit.Test;
import org.junit.runner.RunWith;

import org.springframework.boot.autoconfigure.AutoConfigurations;
import org.springframework.boot.autoconfigure.jersey.ResourceConfigCustomizer;
import org.springframework.boot.autoconfigure.web.servlet.DefaultJerseyApplicationPath;
import org.springframework.boot.autoconfigure.web.servlet.JerseyApplicationPath;
import org.springframework.boot.test.context.FilteredClassLoader;
import org.springframework.boot.test.context.runner.ApplicationContextRunner;
import org.springframework.boot.test.context.runner.WebApplicationContextRunner;
import org.springframework.boot.testsupport.runner.classpath.ClassPathExclusions;
import org.springframework.boot.testsupport.runner.classpath.ModifiedClassPathRunner;
import org.springframework.boot.web.servlet.ServletRegistrationBean;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import static org.assertj.core.api.Assertions.assertThat;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.verify;

/**
 * Tests for {@link JerseySameManagementContextConfiguration}.
 *
 * @author Madhura Bhave
 */
@RunWith(ModifiedClassPathRunner.class)
@ClassPathExclusions("spring-webmvc-*")
public class JerseySameManagementContextConfigurationTests {

	private final WebApplicationContextRunner contextRunner = new WebApplicationContextRunner()
			.withConfiguration(AutoConfigurations
					.of(JerseySameManagementContextConfiguration.class));

	@Test
	public void autoConfigurationIsConditionalOnServletWebApplication() {
		ApplicationContextRunner contextRunner = new ApplicationContextRunner()
				.withConfiguration(AutoConfigurations
						.of(JerseySameManagementContextConfiguration.class));
		contextRunner.run((context) -> assertThat(context)
				.doesNotHaveBean(JerseySameManagementContextConfiguration.class));
	}

	@Test
	public void autoConfigurationIsConditionalOnClassResourceConfig() {
		this.contextRunner.withClassLoader(new FilteredClassLoader(ResourceConfig.class))
				.run((context) -> assertThat(context)
						.doesNotHaveBean(JerseySameManagementContextConfiguration.class));
	}

	@Test
	public void resourceConfigIsCustomizedWithResourceConfigCustomizerBean() {
		this.contextRunner.withUserConfiguration(CustomizerConfiguration.class)
				.run((context) -> {
					assertThat(context).hasSingleBean(ResourceConfig.class);
					ResourceConfig config = context.getBean(ResourceConfig.class);
					ResourceConfigCustomizer customizer = context
							.getBean(ResourceConfigCustomizer.class);
					verify(customizer).customize(config);
				});
	}

	@Test
	public void jerseyApplicationPathIsAutoConfiguredWhenNeeded() {
		this.contextRunner.run((context) -> assertThat(context)
				.hasSingleBean(DefaultJerseyApplicationPath.class));
	}

	@Test
	public void jerseyApplicationPathIsConditionalOnMissingBean() {
		this.contextRunner.withUserConfiguration(ConfigWithJerseyApplicationPath.class)
				.run((context) -> {
					assertThat(context).hasSingleBean(JerseyApplicationPath.class);
					assertThat(context).hasBean("testJerseyApplicationPath");
				});
	}

	@Test
	public void existingResourceConfigBeanShouldNotAutoConfigureRelatedBeans() {
		this.contextRunner.withUserConfiguration(ConfigWithResourceConfig.class)
				.run((context) -> {
					assertThat(context).hasSingleBean(ResourceConfig.class);
					assertThat(context).doesNotHaveBean(JerseyApplicationPath.class);
					assertThat(context).doesNotHaveBean(ServletRegistrationBean.class);
					assertThat(context).hasBean("customResourceConfig");
				});
	}

	@Test
	@SuppressWarnings("unchecked")
	public void servletRegistrationBeanIsAutoConfiguredWhenNeeded() {
		this.contextRunner.withPropertyValues("spring.jersey.application-path=/jersey")
				.run((context) -> {
					ServletRegistrationBean<ServletContainer> bean = context
							.getBean(ServletRegistrationBean.class);
					assertThat(bean.getUrlMappings()).containsExactly("/jersey/*");
				});
	}

	@Configuration(proxyBeanMethods = false)
	static class ConfigWithJerseyApplicationPath {

		@Bean
		public JerseyApplicationPath testJerseyApplicationPath() {
			return mock(JerseyApplicationPath.class);
		}

	}

	@Configuration(proxyBeanMethods = false)
	static class ConfigWithResourceConfig {

		@Bean
		public ResourceConfig customResourceConfig() {
			return new ResourceConfig();
		}

	}

	@Configuration(proxyBeanMethods = false)
	static class CustomizerConfiguration {

		@Bean
		ResourceConfigCustomizer resourceConfigCustomizer() {
			return mock(ResourceConfigCustomizer.class);
		}

	}

}
