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
383 B
JavaScript
14 lines
383 B
JavaScript
const {bind} = require('./_30s.js');
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test('bind is a Function', () => {
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expect(bind).toBeInstanceOf(Function);
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});
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function greet(greeting, punctuation) {
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return greeting + ' ' + this.user + punctuation;
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}
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const freddy = { user: 'fred' };
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const freddyBound = bind(greet, freddy);
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test('Binds to an object context', () => {
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expect(freddyBound('hi', '!')).toBe('hi fred!');
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});
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