Added response builder

spring-cloud-contract-verifier/src/main/java/org/springframework/cloud/contract/verifier/http/Response.java

@@ -100,6 +100,19 @@ public class Response {
 		return this.cookies;
 	}
 
+
+	/**
+	 * @param response template of a response
+	 * @return builder filled with response data
+	 */
+	public static Builder from(Response response) {
+		return new Builder()
+			.headers(response.headers)
+			.statusCode(response.statusCode)
+			.cookies(response.cookies)
+			.body(response.body);
+	}
+
 	/**
 	 * Response builder.
 	 */
@@ -150,6 +163,16 @@ public class Response {
 			return this;
 		}
 
+		/**
+		 * @param key cookie key
+		 * @param value cookie value
+		 * @return builder
+		 */
+		public Response.Builder cookie(String key, Object value) {
+			this.cookies.put(key, value);
+			return this;
+		}
+
 		/**
 		 * @param cookies - response cookies
 		 * @return builder

spring-cloud-contract-verifier/src/test/java/org/springframework/cloud/contract/verifier/http/ResponseTests.java

@@ -0,0 +1,42 @@
+/*
+ * Copyright 2020-2020 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
+ *
+ *      https://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.contract.verifier.http;
+
+import org.junit.jupiter.api.Test;
+
+import static org.assertj.core.api.BDDAssertions.then;
+
+class ResponseTests {
+
+	@Test
+	void should_override_entries_when_using_builder_from_response() {
+		Response response = Response.builder()
+							.statusCode(200)
+							.header("header", "header-value")
+							.cookie("cookie", "cookie-value")
+							.build();
+
+		Response changedResponse = Response.from(response)
+									.header("header-foo", "header-bar")
+									.cookie("cookie-foo", "cookie-bar")
+									.build();
+
+		then(changedResponse.statusCode()).isEqualTo(200);
+		then(changedResponse.headers()).containsEntry("header-foo", "header-bar").containsEntry("header", "header-value");
+		then(changedResponse.cookies()).containsEntry("cookie-foo", "cookie-bar").containsEntry("cookie", "cookie-value");
+	}
+}