ChromeOptions configuration in Selenium Java - Build an Automation Script
import org.openqa.selenium.WebDriver; import org.openqa.selenium.chrome.ChromeDriver; import org.openqa.selenium.chrome.ChromeOptions; import org.junit.jupiter.api.AfterEach; import org.junit.jupiter.api.Assertions; import org.junit.jupiter.api.BeforeEach; import org.junit.jupiter.api.Test; public class ChromeOptionsTest { private WebDriver driver; @BeforeEach public void setUp() { ChromeOptions options = new ChromeOptions(); options.addArguments("--headless"); options.addArguments("--disable-gpu"); driver = new ChromeDriver(options); } @Test public void testExampleDotComTitle() { driver.get("https://www.example.com"); String title = driver.getTitle(); Assertions.assertEquals("Example Domain", title, "Page title should be 'Example Domain'"); } @AfterEach public void tearDown() { if (driver != null) { driver.quit(); } } }
This test class uses JUnit 5 for structure.
In setUp(), we create a ChromeOptions object and add the arguments --headless and --disable-gpu to run Chrome without UI and disable GPU acceleration.
We then initialize ChromeDriver with these options.
The test method navigates to https://www.example.com and asserts the page title is exactly Example Domain.
Finally, tearDown() closes the browser to clean up resources.
This setup ensures the browser runs headless and the test verifies the configuration by checking the page title.
Now add data-driven testing to run the test with three different ChromeOptions configurations: headless, incognito, and maximized window.
Practice
ChromeOptions in Selenium Java?Solution
Step 1: Understand ChromeOptions role
ChromeOptions is used to set browser preferences like headless mode or window size before starting Chrome.Step 2: Differentiate from other Selenium tasks
It is not used for assertions, locating elements, or managing test data, which are separate concerns.Final Answer:
To customize Chrome browser settings before launching it -> Option CQuick Check:
ChromeOptions = browser customization [OK]
- Confusing ChromeOptions with element locators
- Thinking ChromeOptions handles test assertions
- Assuming ChromeOptions manages test data
Solution
Step 1: Recall correct method name
The method to add arguments isaddArguments(plural), notaddArgumentorsetArguments.Step 2: Use correct argument format
Arguments must start with double dashes, so "--start-maximized" is correct.Final Answer:
options.addArguments("--start-maximized"); -> Option AQuick Check:
Method = addArguments, Argument = "--start-maximized" [OK]
- Using singular addArgument instead of addArguments
- Omitting double dashes in argument string
- Using incorrect method setArguments
ChromeOptions options = new ChromeOptions();
options.addArguments("--headless");
options.addArguments("--disable-gpu");
ChromeDriver driver = new ChromeDriver(options);Solution
Step 1: Analyze added arguments
The arguments "--headless" and "--disable-gpu" tell Chrome to run without UI and disable GPU acceleration.Step 2: Understand ChromeDriver initialization
Passing options to ChromeDriver applies these settings, so Chrome runs headless with GPU disabled.Final Answer:
Chrome will launch in headless mode with GPU disabled -> Option DQuick Check:
Arguments = headless + disable GPU [OK]
- Thinking addArguments causes syntax error
- Assuming headless mode still shows UI
- Ignoring GPU disable argument effect
ChromeOptions options = new ChromeOptions();
options.addArguments("start-maximized");
ChromeDriver driver = new ChromeDriver(options);Solution
Step 1: Check argument format
The argument "start-maximized" lacks the required "--" prefix for Chrome options.Step 2: Verify method and usage
The methodaddArgumentsis correct and ChromeOptions can be passed to ChromeDriver constructor, so no error there.Final Answer:
Missing double dashes before argument "start-maximized" -> Option AQuick Check:
Arguments need "--" prefix [OK]
- Omitting double dashes in argument strings
- Confusing addArguments with addArgument
- Thinking ChromeOptions can't be passed to ChromeDriver
Solution
Step 1: Identify required arguments
The settings require "--headless", "--disable-extensions", and "--start-maximized", all prefixed with "--".Step 2: Confirm correct method
Use addArguments() (plural); invalid methods like addArgument() or setArguments() cause errors.Step 3: Validate implementation
Correct code applies each argument via separate addArguments calls.Final Answer:
ChromeOptions options = new ChromeOptions(); options.addArguments("--headless"); options.addArguments("--disable-extensions"); options.addArguments("--start-maximized"); ChromeDriver driver = new ChromeDriver(options); -> Option BQuick Check:
addArguments("--headless"), addArguments("--disable-extensions"), addArguments("--start-maximized") [OK]
- Passing arguments without "--" prefix
- Using addArgument instead of addArguments
- Using non-existent setArguments method
Ready to prove it?
Pass the test and this pattern moves unknown
