David Gonzalez is an Android Software Engineer at Help Scout and a Google Developer Expert for Android. Previously working at Novoda, he’s actively involved in the Android community, co-organises the London Android User Group and has been developing with the Android platform since 2009.
Reproducing user journeys and ensure that the interactions work as expected helps to ensure that users do not encounter unexpected behaviour or have a poor experience when interacting with your application. For a long time this has been very difficult to achieve in Android, until Google released Espresso. Espresso is a testing framework, provided by the Android Testing Support Library, which provides APIs for writing UI tests to simulate user interactions within a single target app.
In this hands on session, we’ll practice UI Testing, using Espresso to interact with the application UI and Dagger 2 to replace production code with Test Doubles. All attendees will have access to the application code, which consists in two screens (List and Detail) and has 0 UI tests. Our goal at the end of the session is to have written UI tests for all the screens and functionalities available.
Prerequisite: Any type of experience with Espresso is highly recommendable. One should be familiar with the Dependency Injection pattern and understand it.
Duration: Half-day (3 hours and 30 minutes)