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This code was used with an earlier AppD 5x build to demonstrate using Geb to perform functional testing. This particular PoC performed

• Navigation to AppD landing page
• Logging in
• Searching for an application
• Perform deployment using quick deploy
• Wait for success or error
• Teardown afterwards

Geb uses the BDD approach (which itself is based on TDD) for testing which has become popular. Instead of explaining it, you can view DeployAppSpec to see how it works. This specification performs the steps mentioned previously all the while performing assertions to make sure things go as expected.

To make it clearer look at these lines:

 def "Perform login"() {
        to LoginPage

This is using a Selenium PageObject but obviously much less verbose compared to the standard Java implementation. When this step is performed we are driven to the login page via the LoginPage PageObject. These lines

static content = {
        authModule { module AuthModule }
        loginFormModule { module LoginModule }

        error(required: false) { module ErrorModule }
    }
    

are part of the Geb Content DSL that allow us to define content for the PageObject which also in turn can use other modules. Here we make use of the authModule.

def "Perform login"() {
        to LoginPage

        given: "I am at the login page"
        at LoginPage

        when: "I am logging in as test user"
        authModule.login testUserName, testUserPassword