Feign URI tests updated to be more inclusive.

Previously with a `@FeignClient(name="http://bad_hostname")` would pass the start time test and fail later in runtime. The test now fails fast.

fixes gh-1257

spring-cloud-netflix-core/src/main/java/org/springframework/cloud/netflix/feign/FeignClientsRegistrar.java

@@ -201,7 +201,7 @@ class FeignClientsRegistrar implements ImportBeanDefinitionRegistrar,
 		annotation.getAliasedString("name", FeignClient.class, null);
 	}
 
-	private String getName(Map<String, Object> attributes) {
+	/* for testing */ String getName(Map<String, Object> attributes) {
 		String name = (String) attributes.get("serviceId");
 		if (!StringUtils.hasText(name)) {
 			name = (String) attributes.get("name");
@@ -216,7 +216,14 @@ class FeignClientsRegistrar implements ImportBeanDefinitionRegistrar,
 
 		String host = null;
 		try {
-			host = new URI("http://" + name).getHost();
+			String url;
+			if (!name.startsWith("http://") && !name.startsWith("https://")) {
+				url = "http://" + name;
+			} else {
+				url = name;
+			}
+			host = new URI(url).getHost();
+
 		}
 		catch (URISyntaxException e) {
 		}

spring-cloud-netflix-core/src/test/java/org/springframework/cloud/netflix/feign/FeignClientsRegistrarTests.java

@@ -0,0 +1,75 @@
+/*
+ * Copyright 2013-2016 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.cloud.netflix.feign;
+
+import java.util.Collections;
+
+import org.junit.Test;
+
+import static org.hamcrest.Matchers.is;
+import static org.junit.Assert.assertThat;
+
+/**
+ * @author Spencer Gibb
+ */
+public class FeignClientsRegistrarTests {
+
+	@Test(expected = IllegalStateException.class)
+	public void badNameHttpPrefix() {
+		testGetName("http://bad_hostname");
+	}
+
+
+	@Test(expected = IllegalStateException.class)
+	public void badNameHttpsPrefix() {
+		testGetName("https://bad_hostname");
+	}
+
+	@Test(expected = IllegalStateException.class)
+	public void badName() {
+		testGetName("bad_hostname");
+	}
+
+	@Test(expected = IllegalStateException.class)
+	public void badNameStartsWithHttp() {
+		testGetName("http_bad_hostname");
+	}
+
+	@Test
+	public void goodName() {
+		String name = testGetName("good-name");
+		assertThat("name was wrong", name, is("good-name"));
+	}
+
+	@Test
+	public void goodNameHttpPrefix() {
+		String name = testGetName("http://good-name");
+		assertThat("name was wrong", name, is("http://good-name"));
+	}
+
+	@Test
+	public void goodNameHttpsPrefix() {
+		String name = testGetName("https://goodname");
+		assertThat("name was wrong", name, is("https://goodname"));
+	}
+
+	private String testGetName(String name) {
+		FeignClientsRegistrar registrar = new FeignClientsRegistrar();
+		return registrar.getName(Collections.<String, Object>singletonMap("name", name));
+	}
+}