57 lines
2.0 KiB
TypeScript
57 lines
2.0 KiB
TypeScript
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import TextBuffer from "../src/lib/text-buffer";
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import { describe, it, expect, vi } from "vitest";
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/* -------------------------------------------------------------------------
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* External $EDITOR integration – behavioural contract
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* ---------------------------------------------------------------------- */
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describe("TextBuffer – open in external $EDITOR", () => {
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it("replaces the buffer with the contents saved by the editor", async () => {
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// Initial text put into the file.
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const initial = [
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"// TODO: draft release notes",
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"",
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"* Fixed memory leak in xyz module.",
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].join("\n");
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const buf = new TextBuffer(initial);
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// -------------------------------------------------------------------
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// Stub the child_process.spawnSync call so no real editor launches.
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// -------------------------------------------------------------------
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const mockSpawn = vi
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.spyOn(require("node:child_process"), "spawnSync")
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.mockImplementation((_cmd, args: any) => {
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const argv = args as Array<string>;
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const file = argv[argv.length - 1];
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// Lazily append a dummy line – our faux "edit".
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require("node:fs").appendFileSync(
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file,
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"\n* Added unit tests for external editor integration.",
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);
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return { status: 0 } as any;
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});
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try {
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await buf.openInExternalEditor({ editor: "nano" }); // editor param ignored in stub
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} finally {
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mockSpawn.mockRestore();
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}
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const want = [
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"// TODO: draft release notes",
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"",
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"* Fixed memory leak in xyz module.",
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"* Added unit tests for external editor integration.",
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].join("\n");
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expect(buf.getText()).toBe(want);
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// Cursor should land at the *end* of the newly imported text.
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const [row, col] = buf.getCursor();
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expect(row).toBe(3); // 4th line (0‑based)
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expect(col).toBe(
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"* Added unit tests for external editor integration.".length,
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);
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});
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});
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