`TMCP035` test_plan_coverage errors on unknown category¶

The user shall receive a tool execution error when filtering by a category that does not exist in the loaded specifications.

Initial state¶

The expected state is the final state of TMCP003 Initialize the MCP server

Procedure¶

Step 1¶

The client calls test_plan_coverage with a non-existent category

{
  "id": 2,
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "name": "test_plan_coverage",
    "arguments": {"category": "nonexistent"}
  }
}

Step 2¶

Verify a tool execution error is returned indicating the category was not found

{
  "id": 2,
  "jsonrpc": "2.0",
  "result": {
    "isError": true,
    "structuredContent": {
      "error": "Category 'nonexistent' not found"
    }
  }
}