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
15 lines
565 B
JavaScript
15 lines
565 B
JavaScript
const {mask} = require('./_30s.js');
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test('mask is a Function', () => {
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expect(mask).toBeInstanceOf(Function);
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});
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test('Replaces all but the last num of characters with the specified mask character', () => {
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expect(mask(1234567890)).toBe('******7890');
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});
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test('Replaces all but the last num of characters with the specified mask character', () => {
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expect(mask(1234567890, 3)).toBe('*******890');
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});
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test('Replaces all but the last num of characters with the specified mask character', () => {
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expect(mask(1234567890, -4, '$')).toBe('$$$$567890');
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});
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