Document how to configure URIs when using WebTestClient

Closes gh-455

docs/src/docs/asciidoc/configuration.adoc

@@ -6,10 +6,10 @@
 [[configuration-uris]]
 === Documented URIs
 
-NOTE: As REST Assured tests a service by making actual HTTP requests, the documented
-URIs cannot be customized in this way. You should use the
-<<customizing-requests-and-responses-preprocessors-modify-uris, REST-Assured specific
-preprocessor>> instead.
+
+
+[[configuration-uris-mockmvc]]
+==== MockMvc URI customization
 
 When using MockMvc, the default configuration for URIs documented by Spring REST Docs is:
 
@@ -42,6 +42,25 @@ TIP: To configure a request's context path, use the `contextPath` method on
 
 
 
+[[configuration-uris-rest-assured]]
+==== REST Assured URI customization
+
+REST Assured tests a service by making actual HTTP requests. As a result, URIs must be
+customized once the operation on the service has been performed but before it is
+documented. A <<customizing-requests-and-responses-preprocessors-modify-uris, REST-Assured
+specific preprocessor>> is provided for this purpose.
+
+
+
+[[configuration-uris-webtestclient]]
+==== WebTestClient URI customization
+
+When using WebTestClient, the documented URIs can be customized using the
+{spring-framework-api}/org/springframework/test/web/reactive/server/WebTestClient.Builder.html#baseUrl-java.lang.String-[
+`baseUrl(String)` method on `WebTestClient.Builder`].
+
+
+
 [[configuration-snippet-encoding]]
 === Snippet encoding
 

docs/src/docs/asciidoc/customizing-requests-and-responses.adoc

@@ -143,8 +143,8 @@ parameters.
 [[customizing-requests-and-responses-preprocessors-modify-uris]]
 ==== Modifying URIs
 
-TIP: If you are using MockMvc, URIs should be customized by <<configuration-uris, changing
-the configuration>>.
+TIP: If you are using MockMvc or WebTestclient, URIs should be customized by
+<<configuration-uris, changing the configuration>>.
 
 `modifyUris` on `RestAssuredPreprocessors` can be used to modify any URIs in a request
 or a response. When using REST Assured, this allows you to customize the URIs that appear

docs/src/docs/asciidoc/index.adoc

@@ -14,6 +14,7 @@ Andy Wilkinson
 :templates: {source}spring-restdocs/src/main/resources/org/springframework/restdocs/templates
 :spring-boot-docs: http://docs.spring.io/spring-boot/docs/current/reference/htmlsingle
 :spring-framework-docs: https://docs.spring.io/spring-framework/docs/5.0.x/spring-framework-reference
+:spring-framework-api: https://docs.spring.io/spring-framework/docs/5.0.x/javadoc-api
 
 [[abstract]]