chalk/test/visible.js

41 lines
1.4 KiB
JavaScript

import test from 'ava';
// Spoof supports-color
require('./_supports-color')(__dirname);
const chalk = require('../source');
test('visible: normal output when level > 0', t => {
const instance = new chalk.Instance({level: 3});
t.is(instance.visible.red('foo'), '\u001B[31mfoo\u001B[39m');
t.is(instance.red.visible('foo'), '\u001B[31mfoo\u001B[39m');
});
test('visible: no output when level is too low', t => {
const instance = new chalk.Instance({level: 0});
t.is(instance.visible.red('foo'), '');
t.is(instance.red.visible('foo'), '');
});
test('test switching back and forth between level == 0 and level > 0', t => {
const instance = new chalk.Instance({level: 3});
t.is(instance.red('foo'), '\u001B[31mfoo\u001B[39m');
t.is(instance.visible.red('foo'), '\u001B[31mfoo\u001B[39m');
t.is(instance.red.visible('foo'), '\u001B[31mfoo\u001B[39m');
t.is(instance.visible('foo'), 'foo');
t.is(instance.red('foo'), '\u001B[31mfoo\u001B[39m');
instance.level = 0;
t.is(instance.red('foo'), 'foo');
t.is(instance.visible('foo'), '');
t.is(instance.visible.red('foo'), '');
t.is(instance.red.visible('foo'), '');
t.is(instance.red('foo'), 'foo');
instance.level = 3;
t.is(instance.red('foo'), '\u001B[31mfoo\u001B[39m');
t.is(instance.visible.red('foo'), '\u001B[31mfoo\u001B[39m');
t.is(instance.red.visible('foo'), '\u001B[31mfoo\u001B[39m');
t.is(instance.visible('foo'), 'foo');
t.is(instance.red('foo'), '\u001B[31mfoo\u001B[39m');
});