Item that contains a ‘message’ has zero coverage#408
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- The item with the message shall have 0% coverage. - The traced-to item remains at 100% coverage Issue: SWF-20649
mugdhadhole1
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| req.System_Requirement_Aspect Message_Trace_Coverage { | ||
| description = ''' | ||
| IF an item contains a "message" and traces to another item, | ||
| THEN the traced item shall have 100% coverage, |
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This is wrong! The traced item may be traced by several items! If there are only two items in total, then the formulation is correct.
Furthermore:
- it is irrelevant if the item under test traces to another item or not. If there is a message, then the item shall be counted as "not okay".
- a single item cannot have a coverage. A coverage is allocated to a level, which consists of zero or more items.
So a system requirement can only specify that the item shall be counted as "not okay" if it has got a message. And this rule has precedence over all other traceability rules. So even if the item properly traces to another item (as requested by the tracing policy), the item must still be counted as "not okay" if it has got a message.
However, a justification has even higher priority. An item with "justification" is counted as "okay", even if it has got a "message".
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Fix: #461 |
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Item contains a "message" and traces to another item - The item with the message shall have 0% coverage. - The traced-to item remains at 100% coverage Issue: SWF-20649
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Item contains a "message" and traces to another item