Monday 20 February 2023

Playwright: how to check whether a checkbox is selected or not?

Locator.isChecked() method return true when the checkbox or radio box is checked, else false.

 

Signature

boolean isChecked()
isChecked(IsCheckedOptions options)

 

Example

page.getByLabel("java").isChecked()

 

Find the below working application.

 


checkbox.html

 

<!DOCTYPE html>
<html>

<body>

	<h1>User favorite languages form</h1>

	<p>Select your favorite languages and click on submit button</p>

	<form onsubmit="return false;">
		  <input type="checkbox" id="java" name="my_fav_language" value="Java">
		  <label for="java">Java</label><br>

		  <input type="checkbox" id="go" name="my_fav_language" value="Go">
		  <label for="go">Go</label><br>

		  <input type="checkbox" id="python" name="my_fav_language" value="Python">
		  <label for="python">Python</label><br><br>

		<input type="submit" value="submit" onclick="display()">
	</form>

	<p id="result"></p>

	<script>
		function display() {
			let result = document.getElementById("result");
			let favoriteLanguages = "<br />";

			var markedCheckbox = document.getElementsByName('my_fav_language');

			for (var checkbox of markedCheckbox) {
				if (checkbox.checked)
					favoriteLanguages = favoriteLanguages + "<br />" + checkbox.value;
			}


			result.innerHTML = `<b>Your favourite language are :  ${favoriteLanguages}</b>`
		}
	</script>

</body>

</html>

 

FileUtil.java

package com.sample.app.util;

import java.io.IOException;
import java.io.InputStreamReader;
import java.net.URL;
import java.net.URLConnection;

public class FileUtil {

	public static String resourceAsString(String resourceName) throws IOException {
		ClassLoader classLoader = FileUtil.class.getClassLoader();
		URL url = classLoader.getResource(resourceName);
		if (url == null) {
			return null;
		}

		URLConnection urlConnection = url.openConnection();

		urlConnection.setUseCaches(false);

		try (InputStreamReader inputStreamReader = new InputStreamReader(urlConnection.getInputStream())) {
			char[] buffer = new char[1048];
			StringBuilder builder = new StringBuilder();

			int count = -1;
			while ((count = inputStreamReader.read(buffer, 0, buffer.length)) != -1) {
				builder.append(buffer, 0, count);
			}

			return builder.toString();
		}

	}
}

 

SelectCheckBox.java

package com.sample.app.actions;

import java.io.File;
import java.io.IOException;

import com.microsoft.playwright.Browser;
import com.microsoft.playwright.BrowserType;
import com.microsoft.playwright.Page;
import com.microsoft.playwright.Playwright;
import com.sample.app.util.FileUtil;

public class SelectCheckBox {

	public static void main(String[] args) throws IOException, InterruptedException {
		try (Playwright playwright = Playwright.create()) {
			Browser browser = playwright.chromium()
					.launch(new BrowserType.LaunchOptions().setHeadless(false).setSlowMo(100));
			final String content = FileUtil.resourceAsString("actions" + File.separator + "checkbox.html");

			Page page = browser.newPage();
			page.setContent(content);

			System.out.println("Selecting Java langauge");
			page.getByLabel("java").click();
			page.getByLabel("go").check();
			
			System.out.println("Is Java langauge checked : " + page.getByLabel("java").isChecked());
			System.out.println("Is Go langauge checked : " + page.getByLabel("go").isChecked());
			System.out.println("Is Python language checked : " + page.getByLabel("python").isChecked());

		}
	}

}

Output

Selecting Java langauge
Is Java langauge checked : true
Is Go langauge checked : true
Is Python language checked : false


 

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