/*
 * Copyright 2012-2018 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.endpoint.web;

import java.util.Collections;

import org.glassfish.jersey.server.ResourceConfig;
import org.junit.Test;

import org.springframework.boot.actuate.endpoint.web.ServletEndpointRegistrar;
import org.springframework.boot.actuate.endpoint.web.annotation.ServletEndpointsSupplier;
import org.springframework.boot.autoconfigure.web.servlet.DispatcherServletPath;
import org.springframework.boot.autoconfigure.web.servlet.JerseyApplicationPath;
import org.springframework.boot.context.properties.EnableConfigurationProperties;
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.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.Import;
import org.springframework.web.servlet.DispatcherServlet;

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

/**
 * Tests for {@link ServletEndpointManagementContextConfiguration}.
 *
 * @author Phillip Webb
 * @author Madhura Bhave
 */
public class ServletEndpointManagementContextConfigurationTests {

	private WebApplicationContextRunner contextRunner = new WebApplicationContextRunner()
			.withUserConfiguration(TestConfig.class);

	@Test
	public void contextShouldContainServletEndpointRegistrar() {
		FilteredClassLoader classLoader = new FilteredClassLoader(ResourceConfig.class);
		this.contextRunner.withClassLoader(classLoader).run((context) -> {
			assertThat(context).hasSingleBean(ServletEndpointRegistrar.class);
			ServletEndpointRegistrar bean = context
					.getBean(ServletEndpointRegistrar.class);
			assertThat(bean).hasFieldOrPropertyWithValue("basePath", "/test/actuator");
		});
	}

	@Test
	public void contextWhenJerseyShouldContainServletEndpointRegistrar() {
		FilteredClassLoader classLoader = new FilteredClassLoader(
				DispatcherServlet.class);
		this.contextRunner.withClassLoader(classLoader).run((context) -> {
			assertThat(context).hasSingleBean(ServletEndpointRegistrar.class);
			ServletEndpointRegistrar bean = context
					.getBean(ServletEndpointRegistrar.class);
			assertThat(bean).hasFieldOrPropertyWithValue("basePath", "/jersey/actuator");
		});
	}

	@Test
	public void contextWhenNoServletBasedShouldNotContainServletEndpointRegistrar() {
		new ApplicationContextRunner().withUserConfiguration(TestConfig.class)
				.run((context) -> assertThat(context)
						.doesNotHaveBean(ServletEndpointRegistrar.class));
	}

	@Configuration
	@Import(ServletEndpointManagementContextConfiguration.class)
	@EnableConfigurationProperties(WebEndpointProperties.class)
	static class TestConfig {

		@Bean
		public ServletEndpointsSupplier servletEndpointsSupplier() {
			return () -> Collections.emptyList();
		}

		@Bean
		public DispatcherServletPath dispatcherServletPath() {
			return () -> "/test";
		}

		@Bean
		public JerseyApplicationPath jerseyApplicationPath() {
			return () -> "/jersey";
		}

	}

}
