mirror of https://github.com/renovatebot/renovate
18 lines
584 B
TypeScript
18 lines
584 B
TypeScript
import { uniq } from './uniq';
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describe('util/uniq', () => {
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it('should return an array with unique elements', () => {
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const input = [1, 2, 3, 2, 1, 4];
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const expectedOutput = [1, 2, 3, 4];
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expect(uniq(input)).toEqual(expectedOutput);
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});
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it('should use the provided equality function to compare elements', () => {
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type T = { id: number };
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const input: T[] = [{ id: 1 }, { id: 2 }, { id: 1 }];
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const expectedOutput = [{ id: 1 }, { id: 2 }];
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const eql = (x: T, y: T) => x.id === y.id;
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expect(uniq(input, eql)).toEqual(expectedOutput);
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});
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});
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