Playwright: wait for the request and validate the response

Using 'page.waitForResponse()' method, we can wait until we receive a matching response.

Example

page.waitForResponse(response -> {
	String url = response.url();
	System.out.println("processed url : " + url);

	boolean isMatched = url.contains("google.com");

	if (isMatched) {
		System.out.println("Received matching response");
	}
	return isMatched;
}, () -> {
	page.navigate("https://self-learning-java-tutorial.blogspot.com/");
});

 

Above snippet wait until we process a response url that contains the string "google.com" in it.

 

Find the below working application.

 

WaitForResponse.java

package com.sample.app.miscellaneous;

import java.io.IOException;

import com.microsoft.playwright.Browser;
import com.microsoft.playwright.BrowserType;
import com.microsoft.playwright.Page;
import com.microsoft.playwright.Playwright;

public class WaitForResponse {

	public static void main(String[] args) throws IOException {
		try (Playwright playwright = Playwright.create()) {
			Browser browser = playwright.chromium()
					.launch(new BrowserType.LaunchOptions().setHeadless(false).setSlowMo(100));

			Page page = browser.newPage();

			page.waitForResponse(response -> {
				String url = response.url();
				System.out.println("processed url : " + url);

				boolean isMatched = url.contains("google.com");

				if (isMatched) {
					System.out.println("Received matching response");
				}
				return isMatched;
			}, () -> {
				page.navigate("https://self-learning-java-tutorial.blogspot.com/");
			});

			System.out.println("title : " + page.title());

		}
	}

}

 

Output

processed url : https://self-learning-java-tutorial.blogspot.com/
processed url : https://self-learning-java-tutorial.blogspot.com/2014/02/blog-post.html
processed url : https://www.blogger.com/static/v1/widgets/2975350028-css_bundle_v2.css
processed url : https://pagead2.googlesyndication.com/pagead/js/adsbygoogle.js
processed url : https://apis.google.com/js/platform.js
Received matching response
title : Programming for beginners

 

 

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