/*
 * Copyright 2002-2018 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.security.oauth2.client.web.reactive.function.client;

import static org.mockito.Mockito.mock;

import org.springframework.web.reactive.function.client.ClientRequest;
import org.springframework.web.reactive.function.client.ClientResponse;
import org.springframework.web.reactive.function.client.ExchangeFunction;

import reactor.core.publisher.Mono;

import java.util.ArrayList;
import java.util.List;

/**
 * @author Rob Winch
 * @since 5.1
 */
public class MockExchangeFunction implements ExchangeFunction {
	private List<ClientRequest> requests = new ArrayList<>();

	private ClientResponse response = mock(ClientResponse.class);

	public ClientRequest getRequest() {
		return this.requests.get(this.requests.size() - 1);
	}

	public List<ClientRequest> getRequests() {
		return this.requests;
	}
	}

	@Override
	public Mono<ClientResponse> exchange(ClientRequest request) {
		return Mono.defer(() -> {
			this.requests.add(request);
			return Mono.just(this.response);
		});
	}
}

@@ -1441,16 +1441,80 @@
 ests;%0A%09%7D
+%0A%0A%09public ClientResponse getResponse() %7B%0A%09%09return this.response;
 %0A%09%7D%0A%0A%09@O

Add MockExchangeFunction getResponse