February 7, 2022 - @Test void test() throws InterruptedException { MockWebServer server = new MockWebServer(); // required to be set, otherwise `takeRequest` will never return anything server.enqueue(new MockResponse()); RestAssured.given().get(server.url("/products").toString()); RecordedRequest request = server.takeRequest(1, TimeUnit.SECONDS); assertThat(request).isNotNull(); assertThat(request.getPath()).isEqualTo("/products"); }

April 13, 2022 - Adding this timeout for all your mockServer.takeRequest() methods is a good idea so the tests will fail fast when they fail, instead of hanging. private void assertBackendServerWasCalledCorrectlyForPOST(RecordedRequest recordedRequest) { assertThat(recordedRequest).as("Request did not reach MockWebServer").isNotNull(); assertThat(recordedRequest.getMethod()).isEqualTo("POST"); String expectedRequestBody = "[text={\"year\":1972,\"month\":10,\"day\":10,\"hour\":10,\"message\":\"Hi\"}]"; assertThat(recordedRequest.getBody().readByteString().toString()).isEqualTo(expectedRequestBody); } Getting the body from the request to the backend can be done by reading the byte string of the body and converting it to a string.

RecordedRequest request = server.takeRequest(); assertEquals("POST /v1/chat/send HTTP/1.1", request.getRequestLine()); assertEquals("application/json; charset=utf-8", request.getHeader("Content-Type")); assertEquals("{}", request.getUtf8Body()); By default MockWebServer uses a queue to specify a series of responses.

@Test public void have_correct_retrofit_request_format() throws IOException, InterruptedException { MockWebServer mockWebServer = new MockWebServer(); mockWebServer.start(); mockWebServer.enqueue(new MockResponse()); TestService testService = testService(mockWebServer); testService.test(Fields.<String>builder() .fields( Field.<String, String>create("property_one"), Field.<String, String>create("property_two"), NestedField.<String, String>create("nested_property").with( Field.<String, String>create("nested_property_one"))) .build()) .execute(); RecordedRequest recordedRequest = mockWebServer.takeRequest(); assertThat(recordedRequest.getPath()).isEqualTo( "/api/?fields=property_one,property_two,nested_property[nested_property_one]"); mockWebServer.shutdown(); }

val request = server.takeRequest() assertEquals("POST /v1/chat/send HTTP/1.1", request.requestLine) assertEquals("application/json; charset=utf-8", request.headers["Content-Type"]) assertEquals("{}", request.body!!.utf8()) By default MockWebServer uses a queue to specify a series of responses.

public RecordedRequest takeRequest() throws InterruptedException

mockwebserver3/mockwebserver3/MockWebServer/takeRequest · fun takeRequest(): RecordedRequest · Awaits the next HTTP request, removes it, and returns it. Callers should use this to verify the request was sent as intended. This method will block until the request is available, possibly forever.

I added a request using enque (), but using the debugger, you can see that when you call takeRequest inside it, requestQueue = 0, which means that there is no request, after which takeRequest () waits for a request indefinitely. What could be the problem? class ExampleUnitTest { private lateinit var mockWebServer: MockWebServer @Before fun setup() { mockWebServer = MockWebServer() mockWebServer.start() mockWebServer.url("/") } @After fun teardown() { mockWebServer.shutdown() } @Test fun `test`(){ val response = MockResponse() .setResponseCode(HttpURLConnection.HTTP_OK) .setBody("response body") mockWebServer.enqueue(response) var recordedRequest = mockWebServer.takeRequest() ...

June 20, 2019 - MockWebServer takeRequest() with timeout function signature is NotNull: fun takeRequest(timeout: Long, unit: TimeUnit): RecordedRequest = requestQueue.poll(timeout, unit) However the underlying LinkedBlockingQueue poll() returns nulls on timeout, causing an IllegalStateException when a NotNull kotlin function tries to return null.

val request = server.takeRequest() assertEquals("POST /v1/chat/send HTTP/1.1", request.requestLine) assertEquals("application/json; charset=utf-8", request.headers["Content-Type"]) assertEquals("{}", request.body!!.utf8()) By default MockWebServer uses a queue to specify a series of responses.

July 18, 2022 - @Test void retrievingTokenShouldSendPostRequest() throws InterruptedException { // Mock response mockBackend.enqueue(new MockResponse() .setBody("{\"value\":\"test\"}") .addHeader("Content-Type", "application/json")); // Execute request to locally running mock web server myService.getToken(); // Validate request was send as expected RecordedRequest recordedRequest = mockBackend.takeRequest(); assertEquals("POST", recordedRequest.getMethod()); }

July 11, 2022 - We can use RecordedRequest instance to fetch the details of HTTP requests MockWebServer to make sure our WebClient sent it correctly. RecordedRequest request = server.takeRequest(); assertEquals("/api-url-two", request.getPath()); assertEquals("POST", request.getMethod()); assertNotNull(request.getHeader("Authorization")); assertEquals("<data />", request.getBody().readUtf8()); In this tutorial, we learned to use MockWebServer to mock APIs and responses and later consume these API using WebClient.

May 22, 2021 - To verify that we used the correct HTTP method and URL in our request, we can ask MockWebServer to retrieve the last request. Calling the takeRequest() method returns a RecordedRequest, which holds the HTTP method, URL, path, headers, and request body.

December 15, 2024 - Explanation: 1. We enqueue a mock response with a 201 Created status code to simulate a successful creation. 2. We make the API call to create a shopping item. 3. We use mockWebServer.takeRequest() to retrieve the request and inspect its body.

July 6, 2021 - Using ‘takeRequest’ method of MockWebServer, we can validate request parameters, body, request path and headers. Once you...

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August 27, 2021 - With this elegant solution, you can easily test parts of your application that use the RestTemplate and mock HTTP responses. Unfortunately, this test setup does not work for the Spring WebClient. It seems there won’t be an integration with the MockRestServiceServer for the WebClient. The recommended way is to use MockWebServer from OkHttp.

July 3, 2025 - When a client makes a request to MockWebServer: The server records all details of the incoming request · It forwards the request to its configured dispatcher · The dispatcher determines which response to return · The server applies any socket policies to simulate network conditions · The response is sent back to the client · The recorded request is stored and can be accessed via takeRequest() Sources: mockwebserver/README.md:31-75 ·