Use CATT to Test Your End-to-End Business Processes
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Consider using SAP’s Computer-Aided Test Tool (CATT) when you are implementing a new system or upgrading. The author uses the example of the order-to-cash process to demonstrate its capabilities.
SAP’s Computer-Aided Test Tool (CATT) helps you test R/3 transactions using test cases. You record a transaction, set parameters for the field values, create a variant for the set of parameters, and execute the test case to verify the results. eCATT is an extended CATT that allows you to test business processes across multiple systems, such as R/3, APO, CRM, and BW.