grafana/public/test/core/utils/version.test.ts

import { SemVersion, isVersionGtOrEq } from 'app/core/utils/version';

describe('SemVersion', () => {
  let version = '1.0.0-alpha.1';

  describe('parsing', () => {
    it('should parse version properly', () => {
      const semver = new SemVersion(version);
      expect(semver.major).toBe(1);
      expect(semver.minor).toBe(0);
      expect(semver.patch).toBe(0);
      expect(semver.meta).toBe('alpha.1');
    });
  });

  describe('comparing', () => {
    beforeEach(() => {
      version = '3.4.5';
    });

    it('should detect greater version properly', () => {
      const semver = new SemVersion(version);
      const cases = [
        { value: '3.4.5', expected: true },
        { value: '3.4.4', expected: true },
        { value: '3.4.6', expected: false },
        { value: '4', expected: false },
        { value: '3.5', expected: false },
      ];
      cases.forEach((testCase) => {
        expect(semver.isGtOrEq(testCase.value)).toBe(testCase.expected);
      });
    });
  });

  describe('isVersionGtOrEq', () => {
    it('should compare versions properly (a >= b)', () => {
      const cases = [
        { values: ['3.4.5', '3.4.5'], expected: true },
        { values: ['3.4.5', '3.4.4'], expected: true },
        { values: ['3.4.5', '3.4.6'], expected: false },
        { values: ['3.4', '3.4.0'], expected: true },
        { values: ['3', '3.0.0'], expected: true },
        { values: ['3.1.1-beta1', '3.1'], expected: true },
        { values: ['3.4.5', '4'], expected: false },
        { values: ['3.4.5', '3.5'], expected: false },
        { values: ['6.0.0', '5.2.0'], expected: true },
      ];
      cases.forEach((testCase) => {
        expect(isVersionGtOrEq(testCase.values[0], testCase.values[1])).toBe(testCase.expected);
      });
    });
  });
});