Initial commit

Signed-off-by: Ilan Bigio <ilan@openai.com>

codex-cli/tests/multiline-external-editor-shortcut.test.tsx

@@ -0,0 +1,64 @@
+import { renderTui } from "./ui-test-helpers.js";
+import MultilineTextEditor from "../src/components/chat/multiline-editor.js";
+import TextBuffer from "../src/lib/text-buffer.js";
+import * as React from "react";
+import { describe, it, expect, vi } from "vitest";
+
+async function type(
+  stdin: NodeJS.WritableStream,
+  text: string,
+  flush: () => Promise<void>,
+) {
+  stdin.write(text);
+  await flush();
+}
+
+describe("MultilineTextEditor – external editor shortcut", () => {
+  it("fires openInExternalEditor on Ctrl‑E (single key)", async () => {
+    const spy = vi
+      .spyOn(TextBuffer.prototype as any, "openInExternalEditor")
+      .mockResolvedValue(undefined);
+
+    const { stdin, flush, cleanup } = renderTui(
+      React.createElement(MultilineTextEditor, {
+        initialText: "hello",
+        width: 20,
+        height: 3,
+      }),
+    );
+
+    // Ensure initial render.
+    await flush();
+
+    // Send Ctrl‑E → should fire immediately
+    await type(stdin, "\x05", flush); // Ctrl‑E (ENQ / 0x05)
+    expect(spy).toHaveBeenCalledTimes(1);
+
+    spy.mockRestore();
+    cleanup();
+  });
+
+  it("fires openInExternalEditor on Ctrl‑X (single key)", async () => {
+    const spy = vi
+      .spyOn(TextBuffer.prototype as any, "openInExternalEditor")
+      .mockResolvedValue(undefined);
+
+    const { stdin, flush, cleanup } = renderTui(
+      React.createElement(MultilineTextEditor, {
+        initialText: "hello",
+        width: 20,
+        height: 3,
+      }),
+    );
+
+    // Ensure initial render.
+    await flush();
+
+    // Send Ctrl‑X → should fire immediately
+    await type(stdin, "\x18", flush); // Ctrl‑X (SUB / 0x18)
+    expect(spy).toHaveBeenCalledTimes(1);
+
+    spy.mockRestore();
+    cleanup();
+  });
+});