import { VariableOption } from '@grafana/data';

import { alignCurrentWithMulti } from './multiOptions';

describe('alignCurrentWithMulti', () => {
  describe('when current has string array values and multi is false', () => {
    it('should return current without string arrays', () => {
      const current: VariableOption = {
        value: ['A'],
        text: ['A'],
        selected: false,
      };

      const next = alignCurrentWithMulti(current, false);

      expect(next).toEqual({
        value: 'A',
        text: 'A',
        selected: false,
      });
    });
  });

  describe('when current has string values and multi is true', () => {
    it('should return current with string arrays', () => {
      const current: VariableOption = {
        value: 'A',
        text: 'A',
        selected: false,
      };

      const next = alignCurrentWithMulti(current, true);

      expect(next).toEqual({
        value: ['A'],
        text: ['A'],
        selected: false,
      });
    });
  });

  describe('when current has string values and multi is false', () => {
    it('should return current without string arrays', () => {
      const current: VariableOption = {
        value: 'A',
        text: 'A',
        selected: false,
      };

      const next = alignCurrentWithMulti(current, false);

      expect(next).toEqual({
        value: 'A',
        text: 'A',
        selected: false,
      });
    });
  });

  describe('when current has string array values and multi is true', () => {
    it('should return current with string arrays', () => {
      const current: VariableOption = {
        value: ['A'],
        text: ['A'],
        selected: false,
      };

      const next = alignCurrentWithMulti(current, true);

      expect(next).toEqual({
        value: ['A'],
        text: ['A'],
        selected: false,
      });
    });
  });
});
