13 lines
657 B
JavaScript
13 lines
657 B
JavaScript
const expect = require('expect');
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const invertKeyValues = require('./invertKeyValues.js');
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test('invertKeyValues is a Function', () => {
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expect(invertKeyValues).toBeInstanceOf(Function);
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});
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test('invertKeyValues({ a: 1, b: 2, c: 1 }) returns { 1: [ \'a\', \'c\' ], 2: [ \'b\' ] }', () => {
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expect(invertKeyValues({ a: 1, b: 2, c: 1 })).toEqual({ 1: [ 'a', 'c' ], 2: [ 'b' ] });
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});
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test('invertKeyValues({ a: 1, b: 2, c: 1 }, value => \'group\' + value) returns { group1: [ \'a\', \'c\' ], group2: [ \'b\' ] }', () => {
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expect(invertKeyValues({ a: 1, b: 2, c: 1 }, value => 'group' + value)).toEqual( { group1: [ 'a', 'c' ], group2: [ 'b' ] });
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});
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