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
14 lines
354 B
JavaScript
14 lines
354 B
JavaScript
const {shallowClone} = require('./_30s.js');
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test('shallowClone is a Function', () => {
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expect(shallowClone).toBeInstanceOf(Function);
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});
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const a = { foo: 'bar', obj: { a: 1, b: 2 } };
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const b = shallowClone(a);
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test('Shallow cloning works', () => {
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expect(a).not.toBe(b);
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});
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test('Does not clone deeply', () => {
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expect(a.obj).toBe(b.obj);
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});
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