46 lines
1.2 KiB
JavaScript
46 lines
1.2 KiB
JavaScript
const expect = require('expect');
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const {words} = require('./_30s.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(() => {
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words();
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}).toThrow();
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});
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test('words(null) throws an error', () => {
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expect(() => {
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words(null);
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}).toThrow();
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});
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test('words(undefined) throws an error', () => {
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expect(() => {
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words(undefined);
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}).toThrow();
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});
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test('words({}) throws an error', () => {
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expect(() => {
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words({});
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}).toThrow();
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});
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test('words([]) throws an error', () => {
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expect(() => {
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words([]);
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}).toThrow();
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});
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test('words(1234) throws an error', () => {
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expect(() => {
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words(1234);
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}).toThrow();
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});
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