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path: root/spec/frontend/lib/utils/chart_utils_spec.js

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import { firstAndLastY } from '~/lib/utils/chart_utils';

describe('Chart utils', () => {
  describe('firstAndLastY', () => {
    it('returns the first and last y-values of a given data set as an array', () => {
      const data = [['', 1], ['', 2], ['', 3]];

      expect(firstAndLastY(data)).toEqual([1, 3]);
    });
  });
});