Step 142: add Emacs package browser

editor/tests/step142_test.cpp

@@ -0,0 +1,55 @@
+// Step 142 TDD Test: Emacs package browser
+#include "EmacsPackageBrowser.h"
+#include "EmacsIntegration.h"
+#include <iostream>
+
+static void expect(bool cond, const std::string& name, int& passed, int& failed) {
+    if (cond) {
+        std::cout << "Test " << (passed + failed + 1) << " PASS: " << name << "\n";
+        ++passed;
+    } else {
+        std::cout << "Test " << (passed + failed + 1) << " FAIL: " << name << "\n";
+        ++failed;
+    }
+}
+
+static const EmacsPackageEntry* findPkg(const std::vector<EmacsPackageEntry>& pkgs,
+                                        const std::string& name) {
+    for (const auto& pkg : pkgs) {
+        if (pkg.name == name) return &pkg;
+    }
+    return nullptr;
+}
+
+int main() {
+    int passed = 0;
+    int failed = 0;
+
+    MockEmacsConnection mock;
+    EmacsPackageBrowserState state;
+    std::string log;
+
+    refreshEmacsPackages(state, mock, log);
+    expect(!state.packages.empty(), "packages loaded", passed, failed);
+
+    const EmacsPackageEntry* usePkg = findPkg(state.packages, "use-package");
+    expect(usePkg != nullptr, "loaded package listed", passed, failed);
+    if (usePkg) {
+        expect(usePkg->status == "loaded", "loaded status set", passed, failed);
+    }
+
+    const EmacsPackageEntry* magitPkg = findPkg(state.packages, "magit");
+    expect(magitPkg != nullptr, "available package listed", passed, failed);
+    if (magitPkg) {
+        expect(magitPkg->status == "available", "available status set", passed, failed);
+    }
+
+    bool loadOk = loadEmacsPackage(mock, "magit", log);
+    expect(loadOk, "load package command", passed, failed);
+    expect(mock.getLastSentCommand().find("(require 'magit)") != std::string::npos,
+           "require command sent", passed, failed);
+
+    std::cout << "\n=== Step 142 Results: " << passed << " passed, "
+              << failed << " failed ===\n";
+    return failed == 0 ? 0 : 1;
+}