cli.test.js

import { test, expect } from "vitest";
import { createRequire } from "node:module";
import { git } from "@commitlint/test";
import { x } from "tinyexec";

const require = createRequire(import.meta.url);

const bin = require.resolve("./cli.js");

const cli = (args, options) => {
	return (input = "") => {
		const result = x(bin, args, {
			nodeOptions: {
				cwd: options.cwd,
				env: options.env,
			},
		});

		result.process.stdin.write(input);
		result.process.stdin.end();

		return result;
	};
};

test("should print warning if stage is empty", async () => {
	const cwd = await git.bootstrap();
	const actual = await cli([], { cwd })("foo: bar");
	expect(actual.stdout).toContain("Nothing to commit.");
	expect(actual.stderr).toBe("");
}, 10000);