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/*
* Copyright 2014-2017 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.restdocs.webtestclient;
import java.util.HashMap;
import java.util.Map;
import java.util.function.Consumer;
import org.springframework.restdocs.RestDocumentationContextProvider;
import org.springframework.restdocs.generate.RestDocumentationGenerator;
import org.springframework.restdocs.operation.preprocess.OperationRequestPreprocessor;
import org.springframework.restdocs.operation.preprocess.OperationResponsePreprocessor;
import org.springframework.restdocs.snippet.Snippet;
import org.springframework.test.web.reactive.server.ExchangeResult;
import org.springframework.test.web.reactive.server.WebTestClient;
import org.springframework.test.web.reactive.server.WebTestClient.BodyContentSpec;
import org.springframework.test.web.reactive.server.WebTestClient.BodySpec;
import org.springframework.test.web.reactive.server.WebTestClient.Builder;
import org.springframework.web.reactive.function.client.ExchangeFilterFunction;
/**
* Static factory methods for documenting RESTful APIs using WebFlux's
* {@link WebTestClient}.
*
* @author Andy Wilkinson
* @since 2.0.0
*/
public abstract class WebTestClientRestDocumentation {
private static final WebTestClientRequestConverter REQUEST_CONVERTER = new WebTestClientRequestConverter();
private static final WebTestClientResponseConverter RESPONSE_CONVERTER = new WebTestClientResponseConverter();
private WebTestClientRestDocumentation() {
}
/**
* Provides access to a {@link ExchangeFilterFunction} that can be used to configure a
* {@link WebTestClient} instance using the given {@code contextProvider}.
*
* @param contextProvider the context provider
* @return the configurer
* @see Builder#filter(ExchangeFilterFunction)
*/
public static WebTestClientRestDocumentationConfigurer documentationConfiguration(
RestDocumentationContextProvider contextProvider) {
return new WebTestClientRestDocumentationConfigurer(contextProvider);
}
/**
* Returns a {@link Consumer} that, when called, documents the API call with the given
* {@code identifier} using the given {@code snippets} in addition to any default
* snippets.
*
* @param identifier an identifier for the API call that is being documented
* @param snippets the snippets
* @param the type of {@link ExchangeResult} that will be consumed
* @return the {@link Consumer} that will document the API call represented by the
* {@link ExchangeResult}.
* @see BodySpec#consumeWith(Consumer)
* @see BodyContentSpec#consumeWith(Consumer)
*/
public static Consumer document(String identifier,
Snippet... snippets) {
return (result) -> new RestDocumentationGenerator<>(identifier, REQUEST_CONVERTER,
RESPONSE_CONVERTER, snippets).handle(result, result,
retrieveConfiguration(result));
}
/**
* Documents the API call with the given {@code identifier} using the given
* {@code snippets} in addition to any default snippets. The given
* {@code requestPreprocessor} is applied to the request before it is documented.
*
* @param identifier an identifier for the API call that is being documented
* @param requestPreprocessor the request preprocessor
* @param snippets the snippets
* @param the type of {@link ExchangeResult} that will be consumed
* @return the {@link Consumer} that will document the API call represented by the
* {@link ExchangeResult}.
*/
public static Consumer document(String identifier,
OperationRequestPreprocessor requestPreprocessor, Snippet... snippets) {
return (result) -> new RestDocumentationGenerator<>(identifier, REQUEST_CONVERTER,
RESPONSE_CONVERTER, requestPreprocessor, snippets).handle(result, result,
retrieveConfiguration(result));
}
/**
* Documents the API call with the given {@code identifier} using the given
* {@code snippets} in addition to any default snippets. The given
* {@code responsePreprocessor} is applied to the request before it is documented.
*
* @param identifier an identifier for the API call that is being documented
* @param responsePreprocessor the response preprocessor
* @param snippets the snippets
* @param the type of {@link ExchangeResult} that will be consumed
* @return the {@link Consumer} that will document the API call represented by the
* {@link ExchangeResult}.
*/
public static Consumer document(String identifier,
OperationResponsePreprocessor responsePreprocessor, Snippet... snippets) {
return (result) -> new RestDocumentationGenerator<>(identifier, REQUEST_CONVERTER,
RESPONSE_CONVERTER, responsePreprocessor, snippets).handle(result, result,
retrieveConfiguration(result));
}
/**
* Documents the API call with the given {@code identifier} using the given
* {@code snippets} in addition to any default snippets. The given
* {@code requestPreprocessor} and {@code responsePreprocessor} are applied to the
* request and response respectively before they are documented.
*
* @param identifier an identifier for the API call that is being documented
* @param requestPreprocessor the request preprocessor
* @param responsePreprocessor the response preprocessor
* @param snippets the snippets
* @param the type of {@link ExchangeResult} that will be consumed
* @return the {@link Consumer} that will document the API call represented by the
* {@link ExchangeResult}.
*/
public static Consumer document(String identifier,
OperationRequestPreprocessor requestPreprocessor,
OperationResponsePreprocessor responsePreprocessor, Snippet... snippets) {
return (result) -> new RestDocumentationGenerator<>(identifier, REQUEST_CONVERTER,
RESPONSE_CONVERTER, requestPreprocessor, responsePreprocessor, snippets)
.handle(result, result, retrieveConfiguration(result));
}
private static Map retrieveConfiguration(ExchangeResult result) {
Map configuration = new HashMap<>(
WebTestClientRestDocumentationConfigurer
.retrieveConfiguration(result.getRequestHeaders()));
configuration.put(RestDocumentationGenerator.ATTRIBUTE_NAME_URL_TEMPLATE,
result.getUriTemplate());
return configuration;
}
}