[Init] Initial commit - NetMesh terminal manager

components/terminal/runtime/terminalInterruptShortcut.test.ts

@@ -0,0 +1,42 @@
+import assert from "node:assert/strict";
+import test from "node:test";
+
+import { shouldUseUrgentTerminalInterrupt } from "./terminalInterruptShortcut";
+
+function key(overrides: Partial<KeyboardEvent> = {}): KeyboardEvent {
+  return {
+    key: "c",
+    code: "KeyC",
+    ctrlKey: true,
+    metaKey: false,
+    altKey: false,
+    shiftKey: false,
+    ...overrides,
+  } as KeyboardEvent;
+}
+
+test("urgent interrupt handles plain Ctrl+C with no selection", () => {
+  assert.equal(shouldUseUrgentTerminalInterrupt(key(), { hasSelection: false }), true);
+});
+
+test("urgent interrupt follows the physical C key on non-Latin layouts", () => {
+  assert.equal(shouldUseUrgentTerminalInterrupt(key({ key: "с" }), { hasSelection: false }), true);
+});
+
+test("urgent interrupt prefers an active ASCII layout character over its physical key", () => {
+  assert.equal(
+    shouldUseUrgentTerminalInterrupt(key({ key: "c", code: "KeyJ" }), { hasSelection: false }),
+    true,
+  );
+  assert.equal(
+    shouldUseUrgentTerminalInterrupt(key({ key: "j", code: "KeyC" }), { hasSelection: false }),
+    false,
+  );
+});
+
+test("urgent interrupt leaves copy shortcuts and modified chords alone", () => {
+  assert.equal(shouldUseUrgentTerminalInterrupt(key(), { hasSelection: true }), false);
+  assert.equal(shouldUseUrgentTerminalInterrupt(key({ shiftKey: true }), { hasSelection: false }), false);
+  assert.equal(shouldUseUrgentTerminalInterrupt(key({ metaKey: true }), { hasSelection: false }), false);
+  assert.equal(shouldUseUrgentTerminalInterrupt(key({ altKey: true }), { hasSelection: false }), false);
+});