11 lines
608 B
JavaScript
11 lines
608 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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t.deepEqual(invertKeyValues({ a: 1, b: 2, c: 1 }), { 1: [ 'a', 'c' ], 2: [ 'b' ] }, "invertKeyValues({ a: 1, b: 2, c: 1 }) returns { 1: [ 'a', 'c' ], 2: [ 'b' ] }");
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t.deepEqual(invertKeyValues({ a: 1, b: 2, c: 1 }, value => 'group' + value), { group1: [ 'a', 'c' ], group2: [ 'b' ] }, "invertKeyValues({ a: 1, b: 2, c: 1 }, value => 'group' + value) returns { group1: [ 'a', 'c' ], group2: [ 'b' ] }");
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