feat: add cancellation and progress notification conformance scenarios - #450
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elang2 wants to merge 1 commit into
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feat: add cancellation and progress notification conformance scenarios#450elang2 wants to merge 1 commit into
elang2 wants to merge 1 commit into
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Add two new server conformance test scenarios covering utilities that previously had no test coverage: Cancellation (notifications/cancelled): - Server stability after cancellation of unknown request IDs - Cancellation of in-progress requests without server degradation - Rapid burst cancellation tolerance Progress notifications (notifications/progress): - Non-decreasing progress values with consistent totals - Token matching between request _meta and notifications - No spurious notifications when progressToken is absent - Cessation of notifications after request completion Everything-server additions: - test_tool_slow: configurable sleep duration for cancellation testing - test_tool_fast: immediate response for health-check verification - Fixed test_tool_with_progress to not send notifications when no progressToken is provided (was using ?? 0 fallback) Both scenarios are registered in pendingClientScenariosList until the everything-server tools are merged upstream. Tested against everything-server (spec 2025-06-18): cancellation: 4/4 checks passed (24 wire messages validated) progress-notifications: 5/5 checks passed (29 wire messages validated) Closes modelcontextprotocol#433, closes modelcontextprotocol#434
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Summary
Adds two new server conformance scenarios covering utilities that previously had no test coverage:
Cancellation (notifications/cancelled)
Progress notifications (notifications/progress)
Also adds
test_tool_slowandtest_tool_fastto the everything-server for cancellation testing, and fixestest_tool_with_progressto not send notifications when no progressToken is provided.Both scenarios are registered in
pendingClientScenariosListuntil the everything-server tools are merged upstream.Tested against everything-server (spec 2025-06-18):
Closes #433, closes #434