WebVizOr: A Visualization Tool for Applying Automated Oracles and Analyzing Test Results of Web Applications

Author : Sprenkle, Sara; Esquivel, Holly; Hazelwood, Barbara; Pollock, Lori
Booktitle : Testing: Academic & Industry Conference Practice and Research Techniques (TAIC-PART)
Date : Aug 2008
Publisher : IEEE
Keyword(s) : oracle comparators, visualization, web application
Document Type : In Conference Proceedings

Abstract :

Web applications are used extensively for a variety of critical purposes and, therefore, must be reliable. Since Web applications often contain large amounts of code and frequently undergo maintenance, testers need automated tools to execute large numbers of test cases to determine if an application is behaving correctly. Evaluating the voluminous output—typically Web pages full of content—is tedious and error-prone. To ease the difficulty, testers can apply automated oracles, which have tradeoffs in false positives and false negatives. In this paper, we present the design, implementation, and evaluation of WebVizOr, a tool that aids testers by applying a set of oracles to the output from test cases and highlighting the symptoms of possible faults. Using WebVizOr, a tester can compare the test results from several executions of a test case and can more easily determine if a test case exposes a fault.

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