YarnRestTemplateAutoConfigurationTests.java example

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spring-hadoop-master
/*
 * Copyright 2015 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.yarn.boot;

import static org.hamcrest.CoreMatchers.is;
import static org.hamcrest.Matchers.notNullValue;
import static org.junit.Assert.assertThat;

import java.lang.annotation.Documented;
import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;

import javax.servlet.Filter;

import org.apache.http.auth.AuthScope;
import org.apache.http.auth.UsernamePasswordCredentials;
import org.apache.http.client.HttpClient;
import org.apache.http.conn.ssl.SSLConnectionSocketFactory;
import org.apache.http.conn.ssl.SSLContextBuilder;
import org.apache.http.conn.ssl.TrustSelfSignedStrategy;
import org.apache.http.impl.client.BasicCredentialsProvider;
import org.apache.http.impl.client.HttpClientBuilder;
import org.hamcrest.Matchers;
import org.junit.After;
import org.junit.Test;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.PropertyPlaceholderAutoConfiguration;
import org.springframework.boot.autoconfigure.security.SecurityAutoConfiguration;
import org.springframework.boot.autoconfigure.web.DispatcherServletAutoConfiguration;
import org.springframework.boot.autoconfigure.web.EmbeddedServletContainerAutoConfiguration;
import org.springframework.boot.autoconfigure.web.ErrorMvcAutoConfiguration;
import org.springframework.boot.autoconfigure.web.HttpMessageConvertersAutoConfiguration;
import org.springframework.boot.autoconfigure.web.ServerPropertiesAutoConfiguration;
import org.springframework.boot.autoconfigure.web.WebMvcAutoConfiguration;
import org.springframework.boot.context.embedded.EmbeddedServletContainerInitializedEvent;
import org.springframework.boot.context.embedded.tomcat.TomcatEmbeddedServletContainerFactory;
import org.springframework.context.ApplicationListener;
import org.springframework.context.ConfigurableApplicationContext;
import org.springframework.context.annotation.AnnotationConfigApplicationContext;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.Import;
import org.springframework.http.client.HttpComponentsClientHttpRequestFactory;
import org.springframework.stereotype.Controller;
import org.springframework.test.web.servlet.MockMvc;
import org.springframework.test.web.servlet.request.MockMvcRequestBuilders;
import org.springframework.test.web.servlet.result.MockMvcResultMatchers;
import org.springframework.test.web.servlet.setup.MockMvcBuilders;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.client.RestTemplate;
import org.springframework.web.context.WebApplicationContext;
import org.springframework.yarn.YarnSystemConstants;

/**
 * Tests for {@link YarnRestTemplateAutoConfiguration}.
 *
 * @author Janne Valkealahti
 *
 */
public class YarnRestTemplateAutoConfigurationTests {

	private ConfigurableApplicationContext context;

	@After
	public void close() {
		if (context != null) {
			context.close();
		}
		context = null;
	}

	@Test
	public void testDefaultFallback() throws Exception {
		AnnotationConfigApplicationContext ctx = new AnnotationConfigApplicationContext();
		ctx.register(FallbackYarnRestTemplateAutoConfiguration.class, YarnRestTemplateAutoConfiguration.class);
		context = ctx;
		context.refresh();
		assertThat(context.getBean(YarnSystemConstants.DEFAULT_ID_RESTTEMPLATE), notNullValue());
	}

	@Test
    public void testBasicEnabled() throws Exception {
		context = SpringApplication.run(
				new Object[] { YarnRestTemplateAutoConfiguration.class,
						FallbackYarnRestTemplateAutoConfiguration.class, VanillaWebConfiguration.class,
						WebConfiguration.class }, new String[] { "--security.basic.enabled=true",
						"--security.user.name=username", "--security.user.password=password" });

		PortInitListener portInitListener = context.getBean(PortInitListener.class);
		assertThat(portInitListener.latch.await(10, TimeUnit.SECONDS), is(true));
		int port = portInitListener.port;

		MockMvc mockMvc = MockMvcBuilders.webAppContextSetup((WebApplicationContext) this.context)
				.addFilters(this.context.getBean("springSecurityFilterChain", Filter.class)).build();
		mockMvc.perform(MockMvcRequestBuilders.get("/"))
				.andExpect(MockMvcResultMatchers.status().isUnauthorized())
				.andExpect(
						MockMvcResultMatchers.header().string("www-authenticate",
								Matchers.containsString("realm=\"Spring\"")));

		RestTemplate restTemplate = context.getBean(YarnSystemConstants.DEFAULT_ID_RESTTEMPLATE, RestTemplate.class);

		String response = restTemplate.getForObject("http://localhost:" + port + "/", String.class);
		assertThat(response, is("home"));
    }

    @Test
    public void testBasicEnabledWithSsl() throws Exception {
		context = SpringApplication.run(new Object[] { CustomRestTemplateConfiguration.class,
				YarnRestTemplateAutoConfiguration.class, FallbackYarnRestTemplateAutoConfiguration.class,
				VanillaWebConfiguration.class, WebConfiguration.class }, new String[] {
				"--security.basic.enabled=true", "--security.user.name=username", "--security.user.password=password",
				"--security.require-ssl=true", "--server.ssl.key-store=classpath:test.jks",
				"--server.ssl.key-store-password=secret", "--server.ssl.key-password=password" });

		PortInitListener portInitListener = context.getBean(PortInitListener.class);
		assertThat(portInitListener.latch.await(10, TimeUnit.SECONDS), is(true));
		int port = portInitListener.port;

		RestTemplate restTemplate = context.getBean(YarnSystemConstants.DEFAULT_ID_RESTTEMPLATE, RestTemplate.class);

		String response = restTemplate.getForObject("https://localhost:" + port + "/", String.class);
		assertThat(response, is("home"));
    }

	protected static class PortInitListener implements ApplicationListener<EmbeddedServletContainerInitializedEvent> {

		public int port;
		public CountDownLatch latch = new CountDownLatch(1);

		@Override
		public void onApplicationEvent(EmbeddedServletContainerInitializedEvent event) {
			port = event.getEmbeddedServletContainer().getPort();
			latch.countDown();
		}

	}

    @Configuration
    protected static class CustomRestTemplateConfiguration {

		@Bean(name = YarnSystemConstants.DEFAULT_ID_RESTTEMPLATE)
		public RestTemplate restTemplate() throws Exception {
			HttpClientBuilder builder = HttpClientBuilder.create();

			SSLConnectionSocketFactory sslSocketFactory = new SSLConnectionSocketFactory(new SSLContextBuilder().loadTrustMaterial(null, new TrustSelfSignedStrategy()).build());
			builder.setSSLSocketFactory(sslSocketFactory);

			UsernamePasswordCredentials credentials = new UsernamePasswordCredentials("username", "password");
			BasicCredentialsProvider credentialsProvider = new BasicCredentialsProvider();
			credentialsProvider.setCredentials(new AuthScope(null, -1, null), credentials);
			builder.setDefaultCredentialsProvider(credentialsProvider);
			HttpClient httpClient = builder.build();
			return new RestTemplate(new HttpComponentsClientHttpRequestFactory(httpClient));

		}

    }

    @Configuration
    protected static class VanillaWebConfiguration {

    	@Bean
    	public PortInitListener portListener() {
    		return new PortInitListener();
    	}

    	@Bean
    	public TomcatEmbeddedServletContainerFactory tomcatEmbeddedServletContainerFactory() {
    	    TomcatEmbeddedServletContainerFactory factory = new TomcatEmbeddedServletContainerFactory();
    	    factory.setPort(0);
    	    return factory;
    	}
    }

    @MinimalWebConfiguration
    @Import(SecurityAutoConfiguration.class)
    @Controller
	protected static class WebConfiguration {

    	@RequestMapping(method = RequestMethod.GET)
    	@ResponseBody
    	public String home() {
    		return "home";
    	}

	}

    @Configuration
    @Target(ElementType.TYPE)
    @Retention(RetentionPolicy.RUNTIME)
    @Documented
    @Import({ EmbeddedServletContainerAutoConfiguration.class,
                    ServerPropertiesAutoConfiguration.class,
                    DispatcherServletAutoConfiguration.class, WebMvcAutoConfiguration.class,
                    HttpMessageConvertersAutoConfiguration.class,
                    ErrorMvcAutoConfiguration.class, PropertyPlaceholderAutoConfiguration.class })
    protected static @interface MinimalWebConfiguration {
    }

}