test.js

'use strict';

const assert = require('assert');
const chalk = require('chalk');
const stripAnsi = require('strip-ansi');
const columns = require('./index.js');
const tests = [];

function test(msg, fn) {
	tests.push([msg, fn]);
}

process.nextTick(async function run() {
	for (const [msg, fn] of tests) {
		try {
			await fn(assert);
			console.log(`pass - ${msg}`);
		} catch (error) {
			console.error(`fail - ${msg}`, error);
			process.exit(1);
		}
	}
});

// prettier-ignore
test('should print one column list', t => {
	const cols = columns(['foo', ['bar', 'baz'], ['bar', 'qux']], {
		width: 1
	});

	const expected =
		'bar\n' +
		'bar\n' +
		'baz\n' +
		'foo\n' +
		'qux';

	t.equal(cols, expected);
});

// prettier-ignore
test('should print three column list', t => {
	const cols = columns(['foo', ['bar', 'baz'], ['bat', 'qux']], {
		width: 16
	});

	const expected =
		'bar  baz  qux  \n' +
		'bat  foo  ';

	t.equal(cols, expected);
});

// prettier-ignore
test('should print complex list', t => {
	const cols = columns(
		[
			'foo', 'bar', 'baz',
			chalk.cyan('嶜憃撊') + ' 噾噿嚁',
			'blue' + chalk.bgBlue('berry'),
			chalk.red('apple'), 'pomegranate',
			'durian', chalk.green('star fruit'),
			'apricot', 'banana pineapple'
		],
		{
			width: 80
		}
	);

	const expected =
		'apple             bar               durian            star fruit        \n' +
		'apricot           baz               foo               嶜憃撊 噾噿嚁     \n' +
		'banana pineapple  blueberry         pomegranate       ';

	t.equal(stripAnsi(cols), expected);
});

// prettier-ignore
test('should optionally not sort', t => {
	const cols = columns(
		[
			'foo', 'bar', 'baz',
			chalk.cyan('嶜憃撊') + ' 噾噿嚁',
			'blue' + chalk.bgBlue('berry'),
			chalk.red('apple'), 'pomegranate',
			'durian', chalk.green('star fruit'),
			'apricot', 'banana pineapple'
		],
		{
			sort: false,
			width: 80
		}
	);

	const expected =
		'foo               嶜憃撊 噾噿嚁     pomegranate       apricot           \n' +
		'bar               blueberry         durian            banana pineapple  \n' +
		'baz               apple             star fruit        ';

	t.equal(stripAnsi(cols), expected);
});