add s-c-hystrix-starter test

hystrix/README.md

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+This project is a sample of using just the hystrix starter

hystrix/pom.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	<modelVersion>4.0.0</modelVersion>
+
+	<groupId>org.springframework.cloud</groupId>
+	<artifactId>spring-cloud-sample-hystrix</artifactId>
+	<version>1.0.0.BUILD-SNAPSHOT</version>
+	<packaging>jar</packaging>
+
+	<name>spring-cloud-sample-hystrix</name>
+	<description>Demo project for Spring Cloud</description>
+
+	<parent>
+		<groupId>org.springframework.cloud</groupId>
+		<artifactId>spring-cloud-starter-parent</artifactId>
+		<version>1.0.0.BUILD-SNAPSHOT</version>
+		<relativePath /> <!-- lookup parent from repository -->
+	</parent>
+
+	<properties>
+		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+		<java.version>1.7</java.version>
+	</properties>
+
+	<dependencies>
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter-web</artifactId>
+		</dependency>
+		<dependency>
+			<groupId>org.springframework.cloud</groupId>
+			<artifactId>spring-cloud-starter-hystrix</artifactId>
+		</dependency>
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter-test</artifactId>
+			<scope>test</scope>
+		</dependency>
+	</dependencies>
+
+	<build>
+		<plugins>
+			<plugin>
+				<groupId>org.springframework.boot</groupId>
+				<artifactId>spring-boot-maven-plugin</artifactId>
+			</plugin>
+			<plugin>
+				<!--skip deploy (this is just a test module) -->
+				<artifactId>maven-deploy-plugin</artifactId>
+				<configuration>
+					<skip>true</skip>
+				</configuration>
+			</plugin>
+		</plugins>
+	</build>
+
+	<repositories>
+		<repository>
+			<id>spring-snapshots</id>
+			<name>Spring Snapshots</name>
+			<url>https://repo.spring.io/snapshot</url>
+			<snapshots>
+				<enabled>true</enabled>
+			</snapshots>
+		</repository>
+		<repository>
+			<id>spring-milestones</id>
+			<name>Spring Milestones</name>
+			<url>https://repo.spring.io/milestone</url>
+			<snapshots>
+				<enabled>false</enabled>
+			</snapshots>
+		</repository>
+	</repositories>
+	<pluginRepositories>
+		<pluginRepository>
+			<id>spring-snapshots</id>
+			<name>Spring Snapshots</name>
+			<url>https://repo.spring.io/snapshot</url>
+			<snapshots>
+				<enabled>true</enabled>
+			</snapshots>
+		</pluginRepository>
+		<pluginRepository>
+			<id>spring-milestones</id>
+			<name>Spring Milestones</name>
+			<url>https://repo.spring.io/milestone</url>
+			<snapshots>
+				<enabled>false</enabled>
+			</snapshots>
+		</pluginRepository>
+	</pluginRepositories>
+
+
+</project>

hystrix/src/main/java/demo/HystrixApplication.java

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+package demo;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
+import org.springframework.cloud.client.circuitbreaker.EnableCircuitBreaker;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.ComponentScan;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+@Configuration
+@ComponentScan
+@EnableAutoConfiguration
+@EnableCircuitBreaker
+@RestController
+public class HystrixApplication {
+
+    @Bean
+    public MyService myService() {
+        return new MyService();
+    }
+
+    @Autowired
+    private MyService myService;
+
+    @RequestMapping("/")
+    public String ok() {
+        return myService.ok();
+    }
+
+    @RequestMapping("/fail")
+    public String fail() {
+        return myService.fail();
+    }
+
+	public static void main(String[] args) {
+        SpringApplication.run(HystrixApplication.class, args);
+    }
+}

hystrix/src/main/java/demo/MyService.java

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+package demo;
+
+import com.netflix.hystrix.contrib.javanica.annotation.HystrixCommand;
+
+/**
+ * @author Spencer Gibb
+ */
+public class MyService {
+
+	@HystrixCommand(fallbackMethod = "fallback")
+	public String ok() {
+		return "OK";
+	}
+
+	@HystrixCommand(fallbackMethod = "fallback")
+	public String fail() {
+		throw new RuntimeException("fail now");
+	}
+
+	public String fallback() {
+		return "from the fallback";
+	}
+}

hystrix/src/test/java/demo/HystrixApplicationTests.java

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+package demo;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertTrue;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.boot.test.IntegrationTest;
+import org.springframework.boot.test.SpringApplicationConfiguration;
+import org.springframework.boot.test.TestRestTemplate;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
+import org.springframework.test.context.web.WebAppConfiguration;
+
+@RunWith(SpringJUnit4ClassRunner.class)
+@SpringApplicationConfiguration(classes = HystrixApplication.class)
+@IntegrationTest("server.port=0")
+@WebAppConfiguration
+public class HystrixApplicationTests {
+
+	@Value("${local.server.port}")
+	int port;
+
+	@Test
+	public void testOk() {
+		ResponseEntity<String> response = new TestRestTemplate().getForEntity("http://localhost:" + port, String.class);
+		assertNotNull("response was null", response);
+		assertEquals("Bad status code", HttpStatus.OK, response.getStatusCode());
+		assertEquals("Wrong response text", "OK", response.getBody());
+	}
+
+	@Test
+	public void testFallback() {
+		ResponseEntity<String> response = new TestRestTemplate().getForEntity("http://localhost:" + port+"/fail", String.class);
+		assertNotNull("response was null", response);
+		assertEquals("Bad status code", HttpStatus.OK, response.getStatusCode());
+		assertEquals("Wrong response text", "from the fallback", response.getBody());
+	}
+}