limited unit tests

spring-cloud-gateway-core/src/test/java/org/springframework/cloud/gateway/filter/factory/RewriteResponseHeaderGatewayFilterFactoryTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2013-2017 the original author or authors.
+ * Copyright 2013-2018 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.

spring-cloud-gateway-core/src/test/java/org/springframework/cloud/gateway/filter/factory/RewriteResponseHeaderGatewayFilterFactoryUnitTests.java

@@ -0,0 +1,45 @@
+/*
+ * Copyright 2013-2018 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
+ *
+ *      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.gateway.filter.factory;
+
+import org.junit.Assert;
+import org.junit.Before;
+import org.junit.Test;
+
+public class RewriteResponseHeaderGatewayFilterFactoryUnitTests {
+
+	private RewriteResponseHeaderGatewayFilterFactory filterFactory;
+
+	@Before
+	public void setUp() {
+		filterFactory = new RewriteResponseHeaderGatewayFilterFactory();
+	}
+
+	@Test
+	public void testRewriteDollarSlash() {
+		Assert.assertEquals("/bar/bar/42", filterFactory.rewrite(
+				"/foo/bar", "/foo/(?<segment>.*)", "/$\\{segment}/$\\{segment}/42"));
+	}
+
+	@Test
+	public void testRewriteMultiple() {
+		Assert.assertEquals("/foo/cafe/wat/cafe", filterFactory.rewrite(
+				"/foo/bar/wat/bar", "bar", "cafe"));
+	}
+
+}