[Init] Initial commit - NetMesh terminal manager

electron/plugins/contextKeys.test.cjs

@@ -0,0 +1,46 @@
+"use strict";
+
+const assert = require("node:assert/strict");
+const test = require("node:test");
+
+const {
+  assertPluginContextKey,
+  evaluateContextKeyExpression,
+  parseContextKeyExpression,
+} = require("./contextKeys.cjs");
+
+test("Context Keys evaluate a bounded host-owned grammar", () => {
+  const context = {
+    "terminal.connected": true,
+    "terminal.kind": "ssh",
+    "com.example.mode": "advanced",
+    allowed: ["ssh", "telnet"],
+  };
+  assert.equal(evaluateContextKeyExpression(
+    "terminal.connected && (terminal.kind == 'ssh' || com.example.mode == 'safe')",
+    context,
+  ), true);
+  assert.equal(evaluateContextKeyExpression("terminal.kind in allowed", context), true);
+  assert.equal(evaluateContextKeyExpression("terminal.kind not in allowed", context), false);
+});
+
+test("Context Keys fail closed for invalid or over-complex expressions", () => {
+  assert.equal(evaluateContextKeyExpression("globalThis.constructor", {}), false);
+  assert.equal(evaluateContextKeyExpression("key &&", { key: true }), false);
+  assert.throws(() => parseContextKeyExpression("x || ".repeat(300) + "x"), /length|complex/u);
+});
+
+test("plugin-created Context Keys must use the owning namespace", () => {
+  assert.equal(assertPluginContextKey("com.example.plugin", "com.example.plugin.ready"), "com.example.plugin.ready");
+  assert.equal(assertPluginContextKey("1.example.plugin", "1.example.plugin.ready"), "1.example.plugin.ready");
+  assert.equal(assertPluginContextKey("com.example", "com.example.ready"), "com.example.ready");
+  assert.equal(evaluateContextKeyExpression("1.example.plugin.ready", {
+    "1.example.plugin.ready": true,
+  }), true);
+  assert.equal(evaluateContextKeyExpression("1.5 < 2", {}), true);
+  assert.throws(() => assertPluginContextKey("com.example.plugin", "terminal.connected"), /namespaced/u);
+  assert.throws(
+    () => assertPluginContextKey("com.example", "com.example.plugin.ready"),
+    /namespaced/u,
+  );
+});