Add test for DELETE on zuul proxy route

Also adds support for context paths in physical URL mappings, e.g.

zuul.route.http\://localhost\:8081/app=/stores/**

will result in a proxy forward of /stores/foo to
http://localhost:8081/app/stores/foo

Fixes gh-73

spring-cloud-netflix-core/src/main/java/org/springframework/cloud/netflix/zuul/filters/route/SimpleHostRoutingFilter.java

@@ -53,6 +53,7 @@ import org.apache.http.params.HttpParams;
 import org.apache.http.protocol.HttpContext;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
+import org.springframework.util.StringUtils;
 
 import com.google.common.base.Optional;
 import com.google.common.base.Predicate;
@@ -230,7 +231,9 @@ public class SimpleHostRoutingFilter extends ZuulFilter {
 			HttpServletRequest request, Header[] headers, InputStream requestEntity)
 			throws Exception {
 
-		HttpHost httpHost = getHttpHost();
+		URL host = RequestContext.getCurrentContext().getRouteHost();
+		HttpHost httpHost = getHttpHost(host);
+		uri = StringUtils.cleanPath(host.getPath() + uri);
 
 		HttpRequest httpRequest;
 
@@ -279,12 +282,9 @@ public class SimpleHostRoutingFilter extends ZuulFilter {
 		return (query != null) ? "?" + query : "";
 	}
 
-	HttpHost getHttpHost() {
-		URL host = RequestContext.getCurrentContext().getRouteHost();
-
+	HttpHost getHttpHost(URL host) {
 		HttpHost httpHost = new HttpHost(host.getHost(), host.getPort(),
 				host.getProtocol());
-
 		return httpHost;
 	}
 

spring-cloud-netflix-core/src/test/java/org/springframework/cloud/netflix/zuul/sample/ZuulProxyApplication.java

@@ -5,6 +5,7 @@ import org.springframework.boot.autoconfigure.SpringBootApplication;
 import org.springframework.cloud.netflix.eureka.EnableEurekaClient;
 import org.springframework.cloud.netflix.zuul.EnableZuulProxy;
 import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestMethod;
 import org.springframework.web.bind.annotation.RestController;
 
 @SpringBootApplication
@@ -18,6 +19,16 @@ public class ZuulProxyApplication {
         throw new RuntimeException("myerror");
     }
 
+    @RequestMapping("/local/self")
+    public String local() {
+        return "Hello local";
+    }
+
+    @RequestMapping(value="/local/self/{id}", method=RequestMethod.DELETE)
+    public String delete() {
+        return "Deleted!";
+    }
+
 	@RequestMapping("/")
 	public String home() {
 		return "Hello world";

spring-cloud-netflix-core/src/test/java/org/springframework/cloud/netflix/zuul/sample/ZuulProxyApplicationTests.java

@@ -1,9 +1,20 @@
 package org.springframework.cloud.netflix.zuul.sample;
 
+import static org.junit.Assert.assertEquals;
+
 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.cloud.netflix.zuul.RouteLocator;
+import org.springframework.cloud.netflix.zuul.ZuulHandlerMapping;
+import org.springframework.http.HttpEntity;
+import org.springframework.http.HttpMethod;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
 import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
 import org.springframework.test.context.web.WebAppConfiguration;
 
@@ -13,8 +24,22 @@ import org.springframework.test.context.web.WebAppConfiguration;
 @IntegrationTest("server.port=0")
 public class ZuulProxyApplicationTests {
 
-    @Test
-	public void contextLoads() {
+	@Value("${local.server.port}")
+	private int port;
+
+	@Autowired
+	private RouteLocator routes;
+
+	@Autowired
+	private ZuulHandlerMapping mapping;
+
+	@Test
+	public void deleteOnSelf() {
+		routes.getRoutes().put("/self/**", "http://localhost:" + port + "/local");
+		mapping.reset();
+		ResponseEntity<String> result = new TestRestTemplate().exchange("http://localhost:" + port + "/self/1",
+				HttpMethod.DELETE, new HttpEntity<Void>((Void) null), String.class);
+		assertEquals(HttpStatus.OK, result.getStatusCode());
 	}
 
 }