# Implementation Tasks ## 1. Test Fixture Directory - [x] 1.1 Create tests/integration/fixtures/ directory ## 2. LSP Echo Server Fixture - [x] 2.1 Create tests/integration/fixtures/echo_lsp_server.py - [x] 2.2 Implement stdio-based server with Content-Length header parsing - [x] 2.3 Handle `initialize` request - respond with capabilities - [x] 2.4 Handle `initialized` notification - no response needed - [x] 2.5 Handle `textDocument/didOpen` notification - store document - [x] 2.6 Handle `shutdown` request - respond with null result - [x] 2.7 Handle `exit` notification - terminate cleanly ## 3. LSP Integration Test File - [x] 3.1 Create tests/integration/test_lsp_integration.py ## 4. LSP Client Initialization Test - [x] 4.1 Add test for LSP client initial state (connected=False, etc.) ## 5. LSP Client connect_to_server() Test - [x] 5.1 Add test for connecting to echo LSP server - [x] 5.2 Verify subprocess is started - [x] 5.3 Verify reader and writer are set - [x] 5.4 Verify initialize/initialized handshake completes ## 6. LSP Client send_request() Test - [x] 6.1 Add test for sending request and receiving response - [x] 6.2 Add test for RuntimeError when not connected ## 7. LSP Client send_notification() Test - [x] 7.1 Add test for sending notification without waiting - [x] 7.2 Add test for RuntimeError when not connected ## 8. LSP Client shutdown() Test - [x] 8.1 Add test for clean shutdown ## 9. Verification - [x] 9.1 Run `uv run pytest tests/integration/ -v` - [x] 9.2 Verify all LSP integration tests pass