UTP11 — Scheduler seems to be a tool concept

Rational: Scheduler is a predefined interface defining operations used for controlling the tests and the test components. None of the operations of the Scheduler are available to the UML specifier.

Issue: The usage of the scheduler is not clear. Scheduler seems to be a pure tool concept. Section 6.3.1 Test Architecture, Subsection Scheduler says the following:

Scheduler is a predefined interface defining operations used for controlling the tests and the test components. None of the operations of the Scheduler are available to the UML specifier. The implementation of the predefined interface will determine the detailed semantics. The implementation must make sure that the scheduler has enough information to keep track of the existence and participation of the test components in every test case. The test context itself will ensure the creation of a scheduler.

Hence, the scheduler cannot be used within the test model as it is not visible to the UML elements. The specification should separate between model elements and interfaces to the test execution system, which can be seen as technical issues.

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