Step 90: LSP client core

editor/tests/step90_test.cpp

@@ -0,0 +1,50 @@
+// Step 90 TDD Test: LSP client core
+//
+// Tests:
+// 1. Initialize sends JSON-RPC initialize request
+// 2. Shutdown sends shutdown request and exit notification
+
+#include <cassert>
+#include <iostream>
+#include <string>
+#include "LSPClient.h"
+
+struct MockTransport : public LSPTransport {
+    std::vector<std::string> sent;
+    void send(const std::string& msg) override { sent.push_back(msg); }
+    bool receive(std::string& out) override { (void)out; return false; }
+    bool isOpen() const override { return true; }
+    void close() override {}
+};
+
+int main() {
+    int passed = 0;
+    int failed = 0;
+
+    // --- Test 1: initialize ---
+    {
+        auto transport = std::make_shared<MockTransport>();
+        LSPClient client(transport);
+        client.initialize("file:///tmp", "test-client", 1);
+        assert(!transport->sent.empty());
+        auto msg = transport->sent.back();
+        assert(msg.find("\"method\":\"initialize\"") != std::string::npos);
+        std::cout << "Test 1 PASS: initialize sends request" << std::endl;
+        ++passed;
+    }
+
+    // --- Test 2: shutdown + exit ---
+    {
+        auto transport = std::make_shared<MockTransport>();
+        LSPClient client(transport);
+        client.shutdown();
+        assert(transport->sent.size() >= 2);
+        assert(transport->sent[transport->sent.size()-2].find("\"method\":\"shutdown\"") != std::string::npos);
+        assert(transport->sent.back().find("\"method\":\"exit\"") != std::string::npos);
+        std::cout << "Test 2 PASS: shutdown sends shutdown+exit" << std::endl;
+        ++passed;
+    }
+
+    std::cout << "\n=== Step 90 Results: " << passed << " passed, " << failed << " failed ===" << std::endl;
+    return failed > 0 ? 1 : 0;
+}