Web testing BDD-style with JWebUnit and Easyb

Behaviour-driven development is a great way to design and build the web layers of your application. In this article, I look at how to use JWebUnit, a fast and light-weight web testing framework, with Easyb, a powerful Groovy-based BDD framework.

JWebUnit is a web testing framework built on HTMLUnit. It runs in memory, so it's fast. However, it also has an intuitive, high-level API, making it easy to use even if you have only an approximate idea of the exact HTML details of your application screens. A simple JWebUnit test case is shown here:

import net.sourceforge.jwebunit.junit.WebTestCase;
import net.sourceforge.jwebunit.junit.WebTester;

public class TestJWebUnitDepositStoryUI extends WebTestCase {

	public void setUp() {
		setBaseUrl("http://localhost:9090/ebank-web");
	}

	public void testDepositingCashShouldAddToBalance() {		
		beginAt("/");
		assertTextPresent("Current Balance: $0");
		setTextField("depositAmount","100");
		clickButtonWithText("deposit");
		assertTextPresent("Current Balance: $100");
	}
}

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