83a6a6ea32
* chore: make aware eslint that we use jest By setting up the jest environment, we no longer need to declare the 'test' global in the configuration. * chore: don't need to import expect, it's a jest environment global * chore: don't need to import expect when creating undefined test
43 lines
1.3 KiB
JavaScript
43 lines
1.3 KiB
JavaScript
const {zipObject} = require('./_30s.js');
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test('zipObject is a Function', () => {
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expect(zipObject).toBeInstanceOf(Function);
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});
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test('zipObject([a, b, c], [1, 2]) returns {a: 1, b: 2, c: undefined}', () => {
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expect(zipObject(['a', 'b', 'c'], [1, 2])).toEqual({ a: 1, b: 2, c: undefined });
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});
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test('zipObject([a, b], [1, 2, 3]) returns {a: 1, b: 2}', () => {
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expect(zipObject(['a', 'b'], [1, 2, 3])).toEqual({ a: 1, b: 2 });
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});
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test('zipObject([a, b, c], string) returns { a: s, b: t, c: r }', () => {
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expect(zipObject(['a', 'b', 'c'], 'string')).toEqual({ a: 's', b: 't', c: 'r' });
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});
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test('zipObject([a], string) returns { a: s }', () => {
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expect(zipObject(['a'], 'string')).toEqual({ a: 's' });
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});
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test('zipObject() throws an error', () => {
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expect(() => {
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zipObject();
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}).toThrow();
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});
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test("zipObject((['string'], null) throws an error", () => {
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expect(() => {
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zipObject(['string'], null);
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}).toThrow();
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});
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test('zipObject(null, [1]) throws an error', () => {
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expect(() => {
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zipObject(null, [1]);
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}).toThrow();
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});
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test("zipObject('string') throws an error", () => {
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expect(() => {
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zipObject('string');
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}).toThrow();
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});
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test("zipObject('test', 'string') throws an error", () => {
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expect(() => {
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zipObject('test', 'string');
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}).toThrow();
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});
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