How to use

Connection

function

in

rhea-promise

jest.fn(() => Promise.resolve(new rhea.Connection()))

jest.fn(() => new rhea.Connection())

  rhea.Connection.prototype.open = jest.fn(() => Promise.reject());
      expect(transporter.connection).toBeNull();
      expect(transporter.connected).toEqual(false);
      rhea.Connection.prototype.open = jest.fn(() => Promise.resolve(new rhea.Connection()));
    });
});