index.test.ts

import execa from 'execa';

const {git} = require('@commitlint/test');
const sander = require('@marionebl/sander');

import read from '.';

test('get edit commit message specified by the `edit` flag', async () => {
	const cwd: string = await git.bootstrap();

	await sander.writeFile(cwd, 'commit-msg-file', 'foo');

	const expected = ['foo\n'];
	const actual = await read({edit: 'commit-msg-file', cwd});
	expect(actual).toEqual(expected);
});

test('get edit commit message from git root', async () => {
	const cwd: string = await git.bootstrap();

	await sander.writeFile(cwd, 'alpha.txt', 'alpha');
	await execa('git', ['add', '.'], {cwd});
	await execa('git', ['commit', '-m', 'alpha'], {cwd});
	const expected = ['alpha\n\n'];
	const actual = await read({edit: true, cwd});
	expect(actual).toEqual(expected);
});

test('get history commit messages', async () => {
	const cwd: string = await git.bootstrap();
	await sander.writeFile(cwd, 'alpha.txt', 'alpha');
	await execa('git', ['add', 'alpha.txt'], {cwd});
	await execa('git', ['commit', '-m', 'alpha'], {cwd});
	await execa('git', ['rm', 'alpha.txt'], {cwd});
	await execa('git', ['commit', '-m', 'remove alpha'], {cwd});

	const expected = ['remove alpha\n\n', 'alpha\n\n'];
	const actual = await read({cwd});
	expect(actual).toEqual(expected);
});

test('get edit commit message from git subdirectory', async () => {
	const cwd: string = await git.bootstrap();
	await sander.mkdir(cwd, 'beta');
	await sander.writeFile(cwd, 'beta/beta.txt', 'beta');

	await execa('git', ['add', '.'], {cwd});
	await execa('git', ['commit', '-m', 'beta'], {cwd});

	const expected = ['beta\n\n'];
	const actual = await read({edit: true, cwd});
	expect(actual).toEqual(expected);
});