20 lines
594 B
JavaScript
20 lines
594 B
JavaScript
const expect = require('expect');
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const {randomHexColorCode} = require('./_30s.js');
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test('randomHexColorCode is a Function', () => {
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expect(randomHexColorCode).toBeInstanceOf(Function);
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});
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test('randomHexColorCode has to proper length', () => {
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expect(randomHexColorCode().length).toBe(7);
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});
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test('The color code starts with "#"', () => {
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expect(randomHexColorCode().startsWith('#')).toBeTruthy();
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});
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test('The color code contains only valid hex-digits', () => {
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expect(
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randomHexColorCode()
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.slice(1)
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.match(/[^0123456789abcdef]/i) === null
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).toBeTruthy();
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});
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