Wiremock use request parameters in response. 0 expression from an XML string.
Wiremock use request parameters in response Learn how to use Wiremock to mock HTTP requests with query parameters. This extension allows us to use the request parameters in response headers and also transformer parameters. Most commonly this is used in the response body but response header values can also be templated. The default request matching behavior is to match on the HTTP method, URL, headers, query parameters, and request body (if present). It works when I do it this way : Jun 24, 2022 · Wiremock gives lots of useful static methods to stub the API request and response parts. It will generate one stub per example, using specific request parameter matchers and taking the example as the response body. Request with Query Parameters The sample implements a GET endpoint that handles multiple query parameters and returns a JSON response from an external file. Dec 17, 2020 · In brief, the path param is returned in the response body, but I am not sure how should I capture 121 and return this in the response using wiremock. This tutorial covers request matching, response templating, and fault simulations. This feature is called Response Templating. Advanced request matching Dynamic response templating Use API Mocking in your unit tests Fault and latency injection Record / Playback Use pre-defined Mock API templates Extending WireMock So my question is, even if i use a regEx, which matches with any number that comes in the request, how to give back the same number in the response using Wiremock standalone json file? Motivation Sometimes we need to use values from request parameters in our wiremock response. Stubbing, Stub Verification & Proxying: Stubbing in simple terms is pre-configuring responses to requests, Stub verification is verifying or validating that our stub was called and Proxying is routing requests to other hosts depending on parameters set in the request stub. When stubbing API functions that accept JSON request bodies we may want to return different responses based on the JSON sent. Choosing the the Path regex match type can be particularly useful in cases where the API you’re mocking uses path parameters and you wish to provide a meaningful response to a specific URL pattern regardless of the specific parameter values. Then in the request section, set the method to GET, the URL to /v1/contacts and the URL match type to Path: In the response section put the JSON in the body field, and for good measure we’ll also send a Content-Type: application/json header: After hitting Save, you can now test the stub using WireMock Cloud’s Test Requester or your Apr 21, 2018 · I am using wiremock to mock http server and I am returning responses from json files (using withBodyFile method). It is also possible to write Jul 23, 2025 · Read more about WireMock in the following article: Introduction to WireMock One of the most important features of WireMock is Stubbing. Apr 2, 2023 · Learn how to easily create API mocks and simulate faults using WireMock. and for this kind of request See full list on docs. Net. By default WireMock Cloud uses an equality check, but this can be changed in the Advanced section. Request Matching WireMock supports matching of requests to stubs and verification queries using the following attributes: URL HTTP Method Query parameters Headers Basic authentication (a special case of header matching) Cookies Request body Multipart/form-data Here’s an example showing all attributes being matched using WireMock’s in-built match operators. Response Templating Response headers and bodies, as well as proxy URLs, can optionally be rendered using Handlebars templates. Basic stubbing The following code will configure a response with a status of 200 to be returned when the relative URL exactly matches /some/thing (including query parameters). WireMock uses a request matching algorithm to determine which response to return for incoming HTTP requests. Below is my current implementation: var response = new Response { CustomerId = Feb 24, 2022 · As you can see, WireMock. Learn stub priorities, response headers, body content, file serving, and managing stub mappings. The body-transformer extension allows us to use them in our response body. The request parameter matchers will be autogenerated based on the schema, unless the extension x-parameter-values is provided (as explained here), in which case it will be used to generate the expected values of the Mar 28, 2025 · Learn how to integrate WireMock into a Spring Boot project and use it to write comprehensive tests. wiremock. That wraps up this first look at WireMock. Aug 6, 2017 · However, the valid response depends on the request parameters. Matching request parameters in WireMock URLs allows you to control and customize how your mock API responds based on specific query parameters. If you need them under certain circumstances, you can use the Or operator to include an absent flag. We’ll demonstrate how to use values from a request in the response in order to create an illusion of serving multiple data items. Similar in concept to XPath, JSONPath permits selection of individual values or sub-documents via a query expression. 0 expression from an XML string. WireMock Cloud provides two match types to supports this case - equalToJson and matchesJsonPath, which are described in detail in this article. Access request data, use helpers, and create realistic mock responses with templating. Prerequisites: Learn how to match HTTP requests in WireMock using URLs, headers, query parameters, request bodies, JSON, XML, cookies, and advanced matchers including regex, JSONPath, and XPath. to pass the value of a request ID header as a response header or render an identifier from part of the URL in the response body. Using wiremock, can I set up a mock request where the body of the response is dependent on the request parameters? Jun 15, 2021 · Response headers and bodies, as well as proxy URLs, can optionally be rendered using Handlebars templates. Read more about transforming responses here. The helper takes the input string and variable name as its required parameters, with an optional urlDecode parameter indicating that values should be URL decoded. In addition to a simple static response it can return dynamic responses based on the data in the request. Net allows you to extract element values from a (JSON) request body using JsonPath expressions and reuse them, for example to repeat them in response bodies. Enabling response templating When starting WireMock programmatically, response WireMock enables flexible definition of a mock API by supporting rich matching of incoming requests. Most commonly this is used to extract values from the request body. Note that in my call to populate this I omit the parameters prefix I omit the parameters prefix but this must be present in the template file itself. The body of the response will be “Hello world A fixed or random delay can be added before the webhook call is made, using the same style of delay parameters as stubs. These are described in detail in Request Matching. May 13, 2025 · Complex Request Mocking The project also demonstrates more complex mocking scenarios, including query parameters, JSON responses, and custom headers. Dec 21, 2024 · This article introduced WireMock and how to set up as well as configure this library for testing of REST APIs using various techniques, including matching of URL, request headers and body. e. This helps ensure that the API is working Record HTTP interactions from real APIs and play them back as WireMock stubs. WireMock Cloud provides the jsonPath helper which will extract values from a JSON document using the JSONPath expression language. com and return this in the response using regular expressions. The folowing example will parse the request body as a form, then output a single field formField3: Jun 27, 2024 · Hi I would like to use parameters from a `request` ` urlPathTemplate organizations organization members member ` inside a `serveEventListeners` ` url <https my organization net webhook processor organ Mar 29, 2016 · I am trying to configure Wiremock mappings to return a JSON response with a value from the request. . Stubbing is the core feature of WireMock and it has the ability to return canned HTTP responses for requests matching criteria. Based on WireMock Java, but extended with more functionality. Configure HTTP response stubs in WireMock using JSON or code. Running WireMock as a standalone service provides flexibility WireMock is a flexible API mocking tool for fast, robust and comprehensive testing. WireMock. Just a simple question: Is it possible to use parameter values of my get request in my response? WireMock is a flexible tool for mocking HTTP requests, essential for testing APIs when you want to simulate responses without a real server. Stub matching and verification queries can use the following request attributes: URL HTTP Method Query parameters Headers Basic authentication (a special case of header matching) Cookies Request body Multipart/form-data Here’s an example showing all attributes being matched using WireMock’s Jul 31, 2021 · Making use of Wiremock’s Response Templating for dynamic responses using request parameters Dec 27, 2024 · I am trying to create a request object with a dynamic parameter for testing an API endpoint using WireMock. For proxy responses, the target URL can be a template. Includes a step-by-step tutorial and example code. Net is a flexible product for stubbing and mocking web HTTP responses using advanced request matching and response templating. Dec 18, 2020 · Since your query parameters are not separated but are sent as a single parameter, you'll need to create a custom transformer to modify the response. Let’s start!! The WireMock server can be run in its own process, and configured via the Java API, JSON over HTTP or JSON files. Use get (), put (), post (), delete () and other methods to match corresponding HTTP methods. Configure WireMock server options including ports, HTTPS, proxying, file locations, logging, and advanced settings for Java applications and standalone mode. Sometimes we need to use values from request parameters in our wiremock response. my-value populated. WireMock is a flexible API mocking tool for fast, robust and comprehensive testing. g. Enabling response templating When starting WireMock Sep 19, 2023 · In this article, we show you can use dynamic response templating - a powerful WireMock Cloud feature that allows a mock API to serve different data using a single stub. Now I want to choose and return response json file based on request parameter. Nov 18, 2018 · I am able to make the request URL generic by using urlPathPattern set to /api/account/([a-z]*) however, I am not sure how should I capture abc@abc. Just a simple question: Is it possible to use parameter values of my get request in my response? Example: If I send a request like "/api/e Some elements of WireMock Cloud stub responses can be configured generated dynamically, via the use of Handlebars templates. May 25, 2018 · I'm trying to mock query parameter using a wiremock JSON stub file. io Jul 23, 2025 · WireMock supports matching of requests to stubs and verification queries using the following attributes: URL, HTTP Method, Query parameters, Headers, Cookies, Request body, etc. Enabling response templating When starting WireMock Jul 10, 2023 · How would I get the first value in urlencoded-json array of values found in Logins query parameter to output in Wiremock response templating? Following are my attempts: Jan 31, 2023 · By handling dynamic responses with WireMock, developers can test the API’s response to different scenarios, such as real-time data or random values. Jun 15, 2021 · Generate dynamic API responses in WireMock using Handlebars templates. Mar 29, 2025 · WireMock is a powerful tool for API mocking, allowing developers to simulate API responses without depending on external services. Apr 1, 2025 · In this Tutorial, we will Explore Three Important Concepts of Wiremock in detail i. The request is simply { "clientTag": "123" } And the mapping for it is: { "priority": 4, " Apr 3, 2020 · The Wiremock response template transformer uses the Mustache templating format and so I need to supply a model with parameters. This enables attributes of the request to be used in generating the response e. Regex groups can be used to extract multiple parts into an object for later use (the last parameter is a variable name to which the object will be assigned): Then in the request section, set the method to GET, the URL to /v1/contacts and the URL match type to Path: In the response section put the JSON in the body field, and for good measure we’ll also send a Content-Type: application/json header: After hitting Save, you can now test the stub using WireMock Cloud’s Test Requester or your Sep 1, 2021 · If you don't care about what value the query parameters have, you can simply exclude them. XPath The xPath helper can be used to extract values or sub documents via an XPath 1. Jun 3, 2013 · Hi, I want to use WireMock to mock the backend for my app. So in this article, we are going to see how Request Matching works with JSON Mappings in WireMock. Dec 26, 2020 · How to return request body in a field in response using Wiremock Asked 4 years, 11 months ago Modified 1 year, 3 months ago Viewed 17k times Response headers and bodies, as well as proxy URLs, can optionally be rendered using Handlebars templates. A core feature of WireMock API mocking is the ability to return canned HTTP responses for requests matching criteria. For example, given a request body of: Feb 2, 2024 · Below is a WireMock JSON which contains the request and response for GET /v1/customer-details API to send the mock customer information response to the request. Use #withChunkedDribbleDelay on the stub to pass in the desired chunked response, it takes two parameters: numberOfChunks - how many chunks you want your response body divided up into A basic ResponseDefinition closely resembles an actual response in that it has status, headers and body fields, but it can also indicate to WireMock that the actual response should be the result of a proxy request to another system or a fault of some kind. Jun 15, 2024 · Learn how to utilize WireMock API to stub HTTP-based client requests when using WebClient. Hi, I want to use WireMock to mock the backend for my app. Learn recording modes, filters, and how to capture and reuse API responses. Sep 25, 2024 · WireMock is a highly configurable tool.