expectedVersion, err := semver.Make("2.53.0") Expect(err).NotTo(HaveOccurred()) Expect(factory.NewMinAPIVersionRequirementCallCount()).To(Equal(1)) feature, requiredVersion := factory.NewMinAPIVersionRequirementArgsForCall(0) Expect(feature).To(Equal("Option '--port'")) Expect(requiredVersion).To(Equal(expectedVersion)) Expect(actualRequirements[0]).To(Equal(minAPIVersionRequirement)) }) It("returns a DiegoApplicationRequirement", func() { actualRequirements, err := cmd.Requirements(factory, flagContext) Expect(err).NotTo(HaveOccurred()) Expect(factory.NewDiegoApplicationRequirementCallCount()).To(Equal(1)) actualAppName := factory.NewDiegoApplicationRequirementArgsForCall(0) Expect(appName).To(Equal(actualAppName)) Expect(actualRequirements).NotTo(BeEmpty()) }) }) Context("when the --random-port option is given", func() { appName := "app-name" BeforeEach(func() { err := flagContext.Parse(appName, "domain-name", "--random-port") Expect(err).NotTo(HaveOccurred()) }) It("returns a MinAPIVersionRequirement", func() {