34 lines
1.1 KiB
JavaScript
34 lines
1.1 KiB
JavaScript
const expect = require('expect');
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const words = require('./words.js');
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test('words is a Function', () => {
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expect(words).toBeInstanceOf(Function);
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});
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test('words('I love javaScript!!') returns [I, love, javaScript]', () => {
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expect(words('I love javaScript!!')).toEqual(["I", "love", "javaScript"]);
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});
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test('words('python, javaScript & coffee') returns [python, javaScript, coffee]', () => {
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expect(words('python, javaScript & coffee')).toEqual(["python", "javaScript", "coffee"]);
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});
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test('words(I love javaScript!!) returns an array', () => {
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expect(Array.isArray(words('I love javaScript!!'))).toBeTruthy();
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});
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test('words() throws an error', () => {
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expect(words()).toThrow();
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});
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test('words(null) throws an error', () => {
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expect(words(null)).toThrow();
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});
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test('words(undefined) throws an error', () => {
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expect(words(undefined)).toThrow();
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});
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test('words({}) throws an error', () => {
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expect(words({})).toThrow();
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});
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test('words([]) throws an error', () => {
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expect(words([])).toThrow();
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});
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test('words(1234) throws an error', () => {
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expect(words(1234)).toThrow();
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});
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