vendure/shared/shared-utils.spec.ts

/// <reference types="../server/node_modules/@types/jest" />

import { generateAllCombinations } from './shared-utils';

describe('generateAllCombinations()', () => {

    it('works with an empty input array', () => {
        const result = generateAllCombinations([]);
        expect(result).toEqual([]);
    });

    it('works with an input of length 1', () => {
        const result = generateAllCombinations([
            ['red', 'green', 'blue'],
        ]);
        expect(result).toEqual([
            ['red'],
            ['green'],
            ['blue'],
        ]);
    });

    it('works with an input of length 2', () => {
        const result = generateAllCombinations([
            ['red', 'green', 'blue'],
            ['small', 'large'],
        ]);
        expect(result).toEqual([
            ['red', 'small'],
            ['red', 'large'],
            ['green', 'small'],
            ['green', 'large'],
            ['blue', 'small'],
            ['blue', 'large'],
        ]);
    });

});