node-publisher/src/client/lerna.spec.js

A configurable release automation tool inspired by create-react-app and Travis CI.

const { publish } = require('./lerna');

describe('publish', () => {
  describe('without preid', () => {
    const options = {
      nextVersion: 'patch',
      preid: undefined,
      execCommand: jest.fn()
    };

    it('publishes new version without a prerelease tag', () => {
      expect(() => publish(options)).not.toThrow();
      expect(options.execCommand.mock.calls[0][0]).toBe('lerna publish patch');
    });
  });

  describe('with preid', () => {
    const options = {
      nextVersion: 'major',
      preid: 'alpha',
      execCommand: jest.fn()
    };

    it('publishes new version with a prerelease tag', () => {
      expect(() => publish(options)).not.toThrow();
      expect(options.execCommand.mock.calls[0][0]).toBe(
        'lerna publish major --preid alpha'
      );
    });
  });
});