RestAssured：如何避免在请求中发送 User-Agent header

Question

For one of my test, I want to send a request without User-Agent header. Even if I don't specify it in the request, a default one with value Apache-HttpClient/4.5.9 (Java/1.8.0_222) is added to the request.

Is there a way to disable this behavior?

This is the request I am trying to send. As can be seen, the User-Agent is not set explicitly but it is still added implicitly by Apache HttpClient.

RequestSpecification request = given().
                header(HttpHeaders.ACCEPT, "application/json").
                header(HttpHeaders.CONTENT_TYPE, "application/json");        
if (includeAuthorizationHeader) {
   request = request.header(HttpHeaders.AUTHORIZATION, bearerAuth(token));
}
Response response = request.
         body(DataRequest.builder().
         id("test-client").
         timestamp(DATE_FORMAT.format(Date.from(Instant.now()))).
         build()).
         expect().
         statusCode(expectedStatusCode).
         contentType(expectedContentType).
         when().
         post(endpoint + "/api/test");

Answer 1

Here's a solution to set a custom User Agent with RestAssured httpClientConfig.

HttpClientConfig httpClientConfig = RestAssured.config.getHttpClientConfig();
RestAssured.config.httpClient(httpClientConfig.httpClientFactory(() -> {
    RestAssuredConfig config = RestAssured.config();
    HttpClientConfig httpClientConfig = config.getHttpClientConfig();
    RestAssured.config = config.httpClient(
        httpClientConfig.httpClientFactory(() -> {
            DefaultHttpClient client = new DefaultHttpClient();
            HttpProtocolParams.setUserAgent(client.getParams(), "User Agent A");
            return client;
        }
    );
}