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WaRR: A tool for high-fidelity web application record and replay

WaRR: A tool for high-fidelity web application record and replay,10.1109/DSN.2011.5958253,Silviu Andrica,George Candea

WaRR: A tool for high-fidelity web application record and replay  
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We introduce WaRR, a tool that records and replays with high fidelity the interaction between users and modern web applications. WaRR consists of two independent components: the WaRR Recorder and the WaRR Replayer. The WaRR Recorder is embedded in a web browser, thus having access to user actions, and provides a complete inter- action trace—this confers high recording fidelity. The WaRR Replayer uses an enhanced, developer-specific web browser that enables realistic simulation of user interaction—this confers high replaying fidelity. We describe two usage scenarios for WaRR that help developers improve the dependability of web applications: testing web applications against realistic human errors and generating user experience reports. WaRR helped us discover bugs in widely-used web applications, such as Google Sites, and offers higher recording fidelity compared to current tools.
Conference: Dependable Systems and Networks - DSN , pp. 403-410, 2011
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