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
508 B
JavaScript
15 lines
508 B
JavaScript
const {stringPermutations} = require('./_30s.js');
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test('stringPermutations is a Function', () => {
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expect(stringPermutations).toBeInstanceOf(Function);
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});
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test('Generates all stringPermutations of a string', () => {
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expect(stringPermutations('abc')).toEqual(['abc', 'acb', 'bac', 'bca', 'cab', 'cba']);
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});
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test('Works for single-letter strings', () => {
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expect(stringPermutations('a')).toEqual(['a']);
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});
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test('Works for empty strings', () => {
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expect(stringPermutations('')).toEqual(['']);
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});
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