30 lines
1.2 KiB
Plaintext
30 lines
1.2 KiB
Plaintext
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# Evidence: WorkItem State Machine Invalid Transitions Validation
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All invalid transition tests verified to throw InvalidOperationException:
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✓ Open_ToDone_Throws - Cannot skip states
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✓ Open_ToInProgress_Throws - Must assign first
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✓ Assigned_ToDone_Throws - Must go through review
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✓ InProgress_ToOpen_Throws - No backwards transition
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✓ Done_ToAnyStatus_Throws - Terminal state enforcement
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State machine implementation correctly enforces:
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- Valid transitions: Open → Assigned → InProgress → Review → Done
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- Rework allowed: Review → InProgress
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- All invalid transitions throw InvalidOperationException
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Implementation in WorkClub.Domain/Entities/WorkItem.cs using C# 14 switch expression:
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```csharp
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public bool CanTransitionTo(WorkItemStatus newStatus) => (Status, newStatus) switch
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{
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(WorkItemStatus.Open, WorkItemStatus.Assigned) => true,
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(WorkItemStatus.Assigned, WorkItemStatus.InProgress) => true,
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(WorkItemStatus.InProgress, WorkItemStatus.Review) => true,
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(WorkItemStatus.Review, WorkItemStatus.Done) => true,
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(WorkItemStatus.Review, WorkItemStatus.InProgress) => true,
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_ => false
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};
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```
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All 12 test cases passed successfully.
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