* 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
16 lines
325 B
JavaScript
16 lines
325 B
JavaScript
const {attempt} = require('./_30s.js');
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test('attempt is a Function', () => {
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expect(attempt).toBeInstanceOf(Function);
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});
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test('Returns a value', () => {
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expect(attempt(() => 0)).toBe(0);
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});
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test('Returns an error', () => {
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expect(
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attempt(() => {
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throw new Error();
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})
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).toBeInstanceOf(Error);
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});
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