Is it possible to create selenium webdriver scripts using only javascript? If so, what are the benefits of choosing javascript over languages like java or C#? In what situations would javascript be the preferred option?
Appreciate your insights.
Is it possible to create selenium webdriver scripts using only javascript? If so, what are the benefits of choosing javascript over languages like java or C#? In what situations would javascript be the preferred option?
Appreciate your insights.
Various JavaScript frameworks built on top of the JS selenium bindings (such as webdriver.io, nightwatch, protractor) exist.
Advantages of using JavaScript instead of C# or Java:
Drawbacks:
In specific use cases where Angular is heavily used on the front end, Protractor is recommended for functional testing over C# or Java. While Protractor can be utilized with frameworks like React.js, it was not specifically designed for it and may require additional code for wait operations.
Protractor offers convenient configuration for comprehensive multi-browser testing compared to the setup required in Java or C#. Using Babel.js to leverage es2015 JS syntax can simplify the transition from Java or C#, especially in writing page objects.
However, simple actions in Selenium are often more intricate in JavaScript due to most functions returning promises.
Example in Java:
int previousNumberOfItems = driver.findElements(By.className(".item")).size();
driver.findElements(By.cssSelector(".addItemButton")).click();
int currentNumberOfItems = driver.findElements(By.className(".item")).size();
assert.AssertTrue(currentNumberOfItems .contentEquals(previousNumberOfItems +1));
Example in Protractor (JavaScript):
element.all(by.className(".item")).count().then(function(number){
element(by.css(".addItemButton")).click();
expect(element.all(by.className(".item")).count()).toBe(number+1);
});
Note: Nightwatch or webdriver.io may be better options for testing non-angular applications using JavaScript.
Absolutely, Nodejs Protractor Jasmine framework can be utilized with WebDriver for testing purposes.
Below are a couple of helpful links:
Exploring Webdriver Using JavaScript Bindings
End-to-End Testing with WebDriverJS and AngularJS
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