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feat(phase-6): Production Readiness - Milestone 1 E2E Testing#11

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bug-ops merged 8 commits into
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feature/phase-6-production-readiness
Dec 24, 2025
Merged

feat(phase-6): Production Readiness - Milestone 1 E2E Testing#11
bug-ops merged 8 commits into
mainfrom
feature/phase-6-production-readiness

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@bug-ops bug-ops commented Dec 24, 2025

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Summary

Phase 6 Milestone 1: End-to-End Testing Infrastructure

  • Add MCP client simulator (mcp_client.rs)
  • Add 11 E2E protocol tests
  • Add empty config fixture for protocol-only testing
  • Fix binary path resolution for workspace structure

Test Coverage

Test Description
test_e2e_initialize_handshake Protocol version negotiation
test_e2e_list_tools All 8 tools listed
test_e2e_tool_schemas JSON Schema validation
test_e2e_invalid_tool_call Error on unknown tool
test_e2e_tool_call_missing_params Missing param rejection
test_e2e_tool_call_invalid_file Invalid path handling
test_e2e_tool_call_invalid_position Out-of-bounds handling
test_e2e_complete_workflow Full MCP lifecycle
test_e2e_multiple_requests Sequential requests

Review Summary

Review Result
Performance B+
Security LOW risk
Testing 8.2/10, 83/83 pass
Code Review APPROVED

Test plan

  • 83 tests pass (72 existing + 11 E2E)
  • cargo clippy clean
  • cargo fmt applied

- Add MCP client simulator for protocol testing
- Add 11 E2E tests for MCP protocol validation
- Test initialize, list_tools, tool schemas, error handling
- Add empty_config.toml fixture for protocol-only testing
- Fix binary path resolution for workspace structure

Tests verify:
- Initialize handshake and protocol version
- All 8 MCP tools are listed
- Tool schemas are valid JSON Schema
- Invalid tool calls return proper errors
- Missing parameters are rejected
- Complete MCP workflow works end-to-end
Implement Milestone 2: Real LSP Integration Tests for Phase 6.

Changes:
- Add comprehensive rust_analyzer_tests.rs with 15 integration tests
- Tests cover all MCP tool handlers with real rust-analyzer:
  * test_hover_on_std_vec - Hover on String type
  * test_hover_on_u64_type - Hover on u64 type
  * test_definition_user_struct - Go-to-definition across files
  * test_definition_across_files - Definition for Repository type
  * test_references_create_repo_function - Find function references
  * test_references_user_struct - Find struct references
  * test_diagnostics_with_error - Detect compilation errors
  * test_diagnostics_no_errors - Verify clean files
  * test_document_symbols - Extract symbols from lib.rs
  * test_document_symbols_types_file - Extract from types.rs
  * test_completions_basic - Code completion (timing-sensitive)
  * test_format_document - Document formatting
  * test_timeout_handling - Verify timeout behavior
  * test_invalid_file_path - Error handling for bad paths
  * test_out_of_bounds_position - Graceful bounds handling

- Export translator types from bridge module for test access:
  * DiagnosticSeverity, Diagnostic, DiagnosticsResult
  * ReferencesResult, Location, Position2D, Range
  * All result types for MCP handlers

- Add documentation to DiagnosticSeverity enum variants

- All tests marked with #[ignore] and require rust-analyzer
- Use timeout wrappers (10s) for all LSP operations
- Tests use existing test fixtures in tests/fixtures/rust_workspace/

Test execution:
- Regular tests: cargo nextest run (skips ignored tests)
- LSP tests: cargo nextest run -- --ignored (requires rust-analyzer)

Quality:
- All existing tests pass (83 tests)
- Clippy clean with allowed test lints
- Formatted with rustfmt
Add comprehensive user-facing documentation:
- Getting started guide with quick setup instructions
- Configuration reference with all options documented
- Tools reference covering all 8 MCP tools
- Troubleshooting guide for common issues

All documentation includes practical examples and
cross-references for easy navigation.
Fix two documentation issues identified in code review:

1. Add missing `env` field documentation for LSP server configuration
   - Includes type, default value, and usage example with PYTHONPATH
   and VIRTUAL_ENV

2. Correct `file_patterns` field requirement status
   - Changed from Required: Yes to Required: No (defaults to empty array)
   - Aligns with actual implementation using serde(default)
Milestone 4 - Release Preparation:
- Add release.yml workflow for automated releases
- Support crates.io publishing (mcpls-core → mcpls)
- Build binaries for Linux, macOS, Windows
- Create GitHub Releases with artifacts
- Add CHANGELOG.md for v0.1.0

Milestone 6 - Deployment Guides:
- Add Dockerfile (multi-stage, non-root user)
- Add installation.md with 4 install methods
- Document 7 language server setups
@bug-ops
bug-ops merged commit f60beb5 into main Dec 24, 2025
14 checks passed
@bug-ops
bug-ops deleted the feature/phase-6-production-readiness branch December 24, 2025 23:25
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