Testing Apps With Real-World Inputs

Wanwarang, Tanapuch and Pereira Borges Jr., Nataniel and Bettscheider, Leon and Zeller, Andreas
(2020) Testing Apps With Real-World Inputs.
In: 1st IEEE/ACM International Conference on Automation of Software Test, May 25-26, 2020, Seoul, South Korea.
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Abstract

To test mobile apps, one requires realistic and coherent test inputs. The Link approach for Web testing has shown that knowledge bases such as DBPedia can be a reliable source of semantically coherent inputs. In this paper, we adapt and extend the Link approach towards test generation for mobile applications: (1) We identify and match descriptive labels with input fields, based on the Gestalt principles of human perception; (2) We then use natural language processing techniques to extract the concept associated with the label; (3) We use this concept to query a knowledge base for candidate input values; (4) We cluster the UI elements according to their functionality into input and actions, filling the input elements first and then interacting with the actions. Our evaluation shows that leveraging knowledge bases for testing mobile apps with realistic inputs is effective. On average, our approach covered 9% more statements than randomly generated text inputs.

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