One of the challenges in applying software test automation successfully in your projects is to select the appropriate automated testing tool or framework. It is a challenging decision, as you have many tools to choose from and a number of requirements to satisfy, and automated testing tools may have hidden problems that you overlook at the time of making the decision. Making the right tool choice is crucial to avoiding problems related to tools that haunt your project execution.
In selecting a tool, you have a set of selection constraints that can be classified into hard and soft constraints. Hard constraints are fixed and must be satisfied in any case. These constraints include platforms, executing environments, programming languages, and frameworks used to develop the target application under test (AUT). Soft constraints can be compromised or partially met. Such constraints include schedule, cost, maintainability, usability, the level of programming, and technical skills required. As these constraints are adjustable, you may find it challenging to balance them in order to select the best tool, given that most of the tools do not satisfy all of these constraints perfectly.
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