test: add comprehensive test coverage for MCP allowHeadless feature #9329
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- Add edge case tests for disconnected servers, empty connections, and empty tools - Add permission policy interaction tests with wildcards and argumentMatches - Add integration tests for mixed built-in and MCP tools - Add test for built-in tools behavior in headless mode - Add tool ordering and mode transition tests Improves test coverage for PR #9328 with 12 new test cases covering: - Error handling and graceful degradation - Complex permission policy scenarios - Real-world integration scenarios - Security boundary validation Generated with [Continue](https://continue.dev) Co-Authored-By: Continue <[email protected]> Co-authored-by: peter-parker <[email protected]>
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Overview
This PR adds comprehensive test coverage for the
allowHeadlessfeature introduced in PR #9328. The new tests ensure robust behavior of MCP tools in headless mode across various scenarios.Test Coverage Added
1. Edge Cases and Error Handling
allowHeadless: falsebehavior2. Permission Policy Interactions
3. Integration Tests
4. Built-in Tool Behavior
Key Improvements
Security-Critical Tests
✅ Explicit exclusions always respected (cannot be bypassed by
allowHeadless)✅ Wildcard excludes take precedence over
allowHeadless✅ Default behavior is secure (tools excluded without explicit
allowHeadless: true)Test Organization
Tests are organized into 4 logical groups:
MCP tools in headless mode(original tests from PR docs: add allowHeadless documentation for MCP servers in CLI headless mode #9328)MCP tool execution permission in headless mode(original + new built-in test)MCP tool edge cases and error handling(new)MCP tool permission policy interactions(new)MCP tool integration tests(new)Files Modified
extensions/cli/src/stream/mcp-headless.test.ts: Added 12 new test casesTEST_IMPROVEMENTS.md: Documentation of test improvementsTest Statistics
This task was co-authored by peter-parker and Continue.
Summary by cubic
Added 12 tests that verify MCP allowHeadless behavior in headless mode. Improves security guarantees and covers real-world scenarios.
Written for commit 981c13f. Summary will update automatically on new commits.