Grail is a library which allows test script creation based on steps.
Library usage brings the following benefits to your tests:
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strict separation test logic from test implementation
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you don't need separate test cases as a documentation for your tests, it will be generated from the code
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separate logging is not required, test execution is automatically logged
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test script creation is easy for people with basic programming skills
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step implementation can be done separately
More usage details are available here: http://wgnet.github.io/grail/.