Tuesday, 21 February 2023

Playwright: select an option from a drop down list

Using 'page.selectOption()' method, we can select an option from the drop down list.

 

Example

page.selectOption("select#favoriteColor", "yellow");

 

Find the below working application.

 

selectOption.html
<html>

<body>

	<h1>Simple select demo</h1>


	<form onsubmit="return false;">
		<label for="colors">Choose a color:</label>
		<select name="colors" id="favoriteColor">
			<option value="red">Red</option>
			<option value="green">Green</option>
			<option value="yellow">Yellow</option>
			<option value="blue">blue</option>
		</select>
		<br><br>
		<input type="submit" value="Submit" onclick="display()">
	</form>

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

	<script>
		function display() {
			let e = document.getElementById('favoriteColor');
			var selectedColor = e.options[e.selectedIndex].text;

			result.innerHTML = `<b>Selected color: <br />${selectedColor}</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();
		}

	}
}

 

SelectOption.java

package selectOption;

import java.io.File;
import java.io.IOException;
import java.util.concurrent.TimeUnit;

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 SelectOption {
	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(1000));

			final String content = FileUtil.resourceAsString("miscellaneous" + File.separator + "selectOption.html");

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

			page.selectOption("select#favoriteColor", "yellow");

			page.locator("input[type=\"submit\"]").click();

			String textContent = page.locator("id=result").textContent();
			System.out.println(textContent);

			TimeUnit.SECONDS.sleep(3);
		}
	}
}

 

Output

Selected color: Yellow

 

 

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