* 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
18 lines
502 B
JavaScript
18 lines
502 B
JavaScript
const {isObjectLike} = require('./_30s.js');
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test('isObjectLike is a Function', () => {
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expect(isObjectLike).toBeInstanceOf(Function);
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});
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test('Returns true for an object', () => {
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expect(isObjectLike({})).toBeTruthy();
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});
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test('Returns true for an array', () => {
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expect(isObjectLike([1, 2, 3])).toBeTruthy();
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});
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test('Returns false for a function', () => {
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expect(isObjectLike(x => x)).toBeFalsy();
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});
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test('Returns false for null', () => {
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expect(isObjectLike(null)).toBeFalsy();
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});
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