13 lines
366 B
JavaScript
13 lines
366 B
JavaScript
const expect = require('expect');
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const bifurcateBy = require('./bifurcateBy.js');
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test('bifurcateBy is a Function', () => {
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expect(bifurcateBy).toBeInstanceOf(Function);
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});
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test('Splits the collection into two groups', () => {
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expect(bifurcateBy(['beep', 'boop', 'foo', 'bar'], x => x[0] === 'b')).toEqual([
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['beep', 'boop', 'bar'],
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['foo']
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]);
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});
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