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

import {describe, beforeEach, it, expect} from 'test/lib/common';

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

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

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

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

    it('should detect greater version properly', () => {
      let semver = new SemVersion(version);
      let 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)).to.be(testCase.expected);
      });
    });
  });

  describe('isVersionGtOrEq', () => {
    it('should compare versions properly (a >= b)', () => {
      let 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},
      ];
      cases.forEach((testCase) => {
        expect(isVersionGtOrEq(testCase.values[0], testCase.values[1])).to.be(testCase.expected);
      });
    });
  });
});