* 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
12 lines
496 B
JavaScript
12 lines
496 B
JavaScript
const {standardDeviation} = require('./_30s.js');
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test('standardDeviation is a Function', () => {
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expect(standardDeviation).toBeInstanceOf(Function);
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});
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test('Returns the standard deviation of an array of numbers', () => {
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expect(standardDeviation([10, 2, 38, 23, 38, 23, 21])).toBeCloseTo(13.284434142114991, 5);
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});
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test('Returns the standard deviation of an array of numbers', () => {
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expect(standardDeviation([10, 2, 38, 23, 38, 23, 21], true)).toBeCloseTo(12.29899614287479, 5);
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});
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