Golang FlagContext.Parse方法代码示例

)

var _ = Describe("Api", func() {
	var (
		config              coreconfig.Repository
		endpointRepo        *coreconfigfakes.FakeEndpointRepository
		deps                commandregistry.Dependency
		requirementsFactory *testreq.FakeReqFactory
		ui                  *testterm.FakeUI
		cmd                 commands.Api
		flagContext         flags.FlagContext
		repoLocator         api.RepositoryLocator
	)

	callApi := func(args []string) {
		err := flagContext.Parse(args...)
		Expect(err).NotTo(HaveOccurred())

		cmd.Execute(flagContext)
	}

	BeforeEach(func() {
		ui = new(testterm.FakeUI)
		requirementsFactory = &testreq.FakeReqFactory{}
		config = testconfig.NewRepository()
		endpointRepo = new(coreconfigfakes.FakeEndpointRepository)

		endpointRepo.GetCCInfoStub = func(endpoint string) (*coreconfig.CCInfo, string, error) {
			return &coreconfig.CCInfo{
				APIVersion:               config.APIVersion(),
				AuthorizationEndpoint:    config.AuthenticationEndpoint(),

		factory.NewMinAPIVersionRequirementReturns(minAPIVersionRequirement)

		routingAPIRepo.ListRouterGroupsStub = func(cb func(models.RouterGroup) bool) error {
			for _, r := range routerGroups {
				if !cb(r) {
					break
				}
			}
			return nil
		}
	})

	Describe("Requirements", func() {
		Context("when not provided exactly one arg", func() {
			BeforeEach(func() {
				flagContext.Parse("arg-1", "extra-arg")
			})

			It("fails with usage", func() {
				Expect(func() { cmd.Requirements(factory, flagContext) }).To(Panic())
				Expect(ui.Outputs).To(ContainSubstrings(
					[]string{"Incorrect Usage. Requires DOMAIN as an argument"},
					[]string{"NAME"},
					[]string{"USAGE"},
				))
			})
		})

		Context("when provided exactly one arg", func() {
			BeforeEach(func() {
				flagContext.Parse("domain-name")

		loginRequirement = &passingRequirement{Name: "login-requirement"}
		reqFactory.NewLoginRequirementReturns(loginRequirement)
		targetedSpaceRequirement = &passingRequirement{Name: "targeted-space-requirement"}
		reqFactory.NewTargetedSpaceRequirementReturns(targetedSpaceRequirement)
		serviceInstanceRequirement = &requirementsfakes.FakeServiceInstanceRequirement{}
		reqFactory.NewServiceInstanceRequirementReturns(serviceInstanceRequirement)
	})

	Describe("Requirements", func() {
		BeforeEach(func() {
			cmd.SetDependency(deps, pluginCall)
		})

		Context("when not provided exactly 1 argument", func() {
			It("fails", func() {
				err := flagContext.Parse("too", "many")
				Expect(err).NotTo(HaveOccurred())
				Expect(func() { cmd.Requirements(reqFactory, flagContext) }).To(Panic())
				Expect(ui.Outputs()).To(ContainSubstrings(
					[]string{"Incorrect Usage", "Requires an argument"},
				))
			})
		})

		Context("when provided exactly one arg", func() {
			var actualRequirements []requirements.Requirement

			BeforeEach(func() {
				err := flagContext.Parse("service-name")
				Expect(err).NotTo(HaveOccurred())
				actualRequirements = cmd.Requirements(reqFactory, flagContext)

		flagContext = flags.NewFlagContext(cmd.MetaData().Flags)

		factory = new(requirementsfakes.FakeFactory)

		loginRequirement = &passingRequirement{}
		factory.NewLoginRequirementReturns(loginRequirement)

		minAPIVersionRequirement = &passingRequirement{}
		factory.NewMinAPIVersionRequirementReturns(minAPIVersionRequirement)
	})

	Describe("Requirements", func() {
		Context("when not provided exactly one arg", func() {
			BeforeEach(func() {
				flagContext.Parse("service-instance", "extra-arg")
			})

			It("fails with usage", func() {
				Expect(func() { cmd.Requirements(factory, flagContext) }).To(Panic())
				Expect(ui.Outputs()).To(ContainSubstrings(
					[]string{"Incorrect Usage. Requires an argument"},
					[]string{"NAME"},
					[]string{"USAGE"},
				))
			})
		})

		Context("when provided exactly one arg", func() {
			BeforeEach(func() {
				flagContext.Parse("service-instance")

		deps.RepoLocator = deps.RepoLocator.SetSpaceRepository(spaceRepo)

		flagContext = flags.NewFlagContext(cmd.MetaData().Flags)

		cmd = spacequota.SetSpaceQuota{}
		cmd.SetDependency(deps, false)

		configRepo.UsernameReturns("my-user")
	})

	Describe("Requirements", func() {
		Context("when provided a quota and space", func() {
			var reqs []requirements.Requirement

			BeforeEach(func() {
				flagContext.Parse("space", "space-quota")
				reqs = cmd.Requirements(requirementsFactory, flagContext)
			})

			It("returns a LoginRequirement", func() {
				Expect(reqs).To(ContainElement(loginReq))
			})

			It("requires the user to target an org", func() {
				Expect(reqs).To(ContainElement(orgReq))
			})
		})

		Context("when not provided a quota and space", func() {
			BeforeEach(func() {
				flagContext.Parse("")

			Expect(usage).To(ContainElement("   --random-port       Create a random port for the TCP route"))
		})

		It("shows the usage", func() {
			Expect(usage).To(ContainElement("   Map an HTTP route:"))
			Expect(usage).To(ContainElement("      cf map-route APP_NAME DOMAIN [--hostname HOSTNAME] [--path PATH]"))

			Expect(usage).To(ContainElement("   Map a TCP route:"))
			Expect(usage).To(ContainElement("      cf map-route APP_NAME DOMAIN (--port PORT | --random-port)"))
		})
	})

	Describe("Requirements", func() {
		Context("when not provided exactly two args", func() {
			BeforeEach(func() {
				flagContext.Parse("app-name")
			})

			It("fails with usage", func() {
				Expect(func() { cmd.Requirements(factory, flagContext) }).To(Panic())
				Expect(ui.Outputs()).To(ContainSubstrings(
					[]string{"Incorrect Usage. Requires APP_NAME and DOMAIN as arguments"},
					[]string{"NAME"},
					[]string{"USAGE"},
				))
			})
		})

		Context("when provided exactly two args", func() {
			BeforeEach(func() {
				flagContext.Parse("app-name", "domain-name")

			},
		}
		routingApiRepo.ListRouterGroupsStub = func(cb func(models.RouterGroup) bool) error {
			for _, routerGroup := range routerGroups {
				if !cb(routerGroup) {
					break
				}
			}
			return nil
		}
	})

	Describe("Requirements", func() {
		Context("when provided one arg", func() {
			BeforeEach(func() {
				flagContext.Parse("arg-1")
			})

			It("fails with usage", func() {
				Expect(func() { cmd.Requirements(factory, flagContext) }).To(Panic())
				Expect(ui.Outputs).To(ContainSubstrings(
					[]string{"Incorrect Usage. No argument required"},
					[]string{"NAME"},
					[]string{"USAGE"},
				))
			})
		})

		Context("when provided no arguments", func() {
			BeforeEach(func() {
				flagContext.Parse()

		domainRequirement = new(requirementsfakes.FakeDomainRequirement)
		domainRequirement.GetDomainReturns(models.DomainFields{
			GUID: "domain-guid",
			Name: "domain-name",
		})
		factory.NewDomainRequirementReturns(domainRequirement)

		minAPIVersionRequirement = &passingRequirement{}
		factory.NewMinAPIVersionRequirementReturns(minAPIVersionRequirement)
	})

	Describe("Requirements", func() {
		Context("when not provided exactly two args", func() {
			BeforeEach(func() {
				err := flagContext.Parse("space-name")
				Expect(err).NotTo(HaveOccurred())
			})

			It("fails with usage", func() {
				Expect(func() {
					cmd.Requirements(factory, flagContext)
				}).To(Panic())
				Expect(ui.Outputs()).To(ContainSubstrings(
					[]string{"Incorrect Usage. Requires SPACE and DOMAIN as arguments"},
					[]string{"NAME"},
					[]string{"USAGE"},
				))
			})
		})

			cmd = &quota.CreateQuota{}
			cmd.SetDependency(deps, false)

			flagContext = flags.NewFlagContext(cmd.MetaData().Flags)

			loginRequirement = &passingRequirement{Name: "login-requirement"}
			requirementsFactory.NewLoginRequirementReturns(loginRequirement)

			minAPIVersionRequirement = &passingRequirement{Name: "min-api-version-requirement"}
			requirementsFactory.NewMinAPIVersionRequirementReturns(minAPIVersionRequirement)
		})

		Context("when not provided exactly one arg", func() {
			BeforeEach(func() {
				flagContext.Parse("quota", "extra-arg")
			})

			It("fails with usage", func() {
				Expect(func() { cmd.Requirements(requirementsFactory, flagContext) }).To(Panic())
				Expect(ui.Outputs()).To(ContainSubstrings(
					[]string{"FAILED"},
					[]string{"Incorrect Usage. Requires an argument"},
				))
			})
		})

		Context("when provided exactly one arg", func() {
			BeforeEach(func() {
				flagContext.Parse("quota")
			})

		targetedSpaceRequirement = &passingRequirement{}
		factory.NewTargetedSpaceRequirementReturns(targetedSpaceRequirement)

		deaApplicationRequirement = new(requirementsfakes.FakeDEAApplicationRequirement)
		factory.NewDEAApplicationRequirementReturns(deaApplicationRequirement)
		app := models.Application{}
		app.InstanceCount = 1
		app.GUID = "app-guid"
		app.Name = "app-name"
		deaApplicationRequirement.GetApplicationReturns(app)
	})

	Describe("Requirements", func() {
		Context("when not provided one or two args", func() {
			BeforeEach(func() {
				flagContext.Parse("app-name", "the-path", "extra-arg")
			})

			It("fails with usage", func() {
				Expect(func() { cmd.Requirements(factory, flagContext) }).To(Panic())
				Expect(ui.Outputs).To(ContainSubstrings(
					[]string{"FAILED"},
					[]string{"Incorrect Usage. Requires an argument"},
				))
			})
		})

		Context("when provided exactly one arg", func() {
			BeforeEach(func() {
				flagContext.Parse("app-name")
			})

	. "github.com/onsi/gomega"
)

var _ = Describe("Flag Constructors", func() {

	var (
		fc flags.FlagContext
	)

	BeforeEach(func() {
		fc = flags.New()
	})

	Describe("NewStringFlag()", func() {
		It("init the flag context with a new string flagset", func() {
			fc.Parse("-s", "test")
			Ω(fc.IsSet("s")).To(BeFalse())
			Ω(fc.String("s")).To(Equal(""))

			fc.NewStringFlag("s", "s2", "setting new string flag")
			fc.Parse("-s", "test2")
			Ω(fc.IsSet("s")).To(BeTrue())
			Ω(fc.IsSet("s2")).To(BeTrue())
			Ω(fc.String("s")).To(Equal("test2"))
			Ω(fc.String("s2")).To(Equal("test2"))
		})
	})

	Describe("NewStringFlagWithDefault()", func() {
		It("init the flag context with a new string flagset with default value", func() {
			fc.Parse("-s", "test")

			Expect(factory.NewLoginRequirementCallCount()).To(Equal(1))

			Expect(actualRequirements).To(ContainElement(loginRequirement))
		})

		It("returns a TargetedSpaceRequirement", func() {
			actualRequirements, err := cmd.Requirements(factory, flagContext)
			Expect(err).NotTo(HaveOccurred())
			Expect(factory.NewTargetedSpaceRequirementCallCount()).To(Equal(1))

			Expect(actualRequirements).To(ContainElement(targetedSpaceRequirement))
		})

		Context("when not provided exactly zero args", func() {
			BeforeEach(func() {
				flagContext.Parse("extra-arg")
			})

			It("fails with usage", func() {
				Expect(func() { cmd.Requirements(factory, flagContext) }).To(Panic())
				Expect(ui.Outputs).To(ContainSubstrings(
					[]string{"Incorrect Usage. No argument required"},
					[]string{"NAME"},
					[]string{"USAGE"},
				))
			})
		})
	})

	Describe("Execute", func() {
		BeforeEach(func() {

		minAPIVersionRequirement = new(requirementsfakes.FakeRequirement)
		loginRequirement = new(requirementsfakes.FakeRequirement)
		routingAPIEndpoingRequirement = new(requirementsfakes.FakeRequirement)

		requirementsFactory = new(requirementsfakes.FakeFactory)
		requirementsFactory.NewMinAPIVersionRequirementReturns(minAPIVersionRequirement)
		requirementsFactory.NewLoginRequirementReturns(loginRequirement)
		requirementsFactory.NewRoutingAPIRequirementReturns(routingAPIEndpoingRequirement)

		cmd = new(routergroups.RouterGroups)
		cmd = cmd.SetDependency(deps, false).(*routergroups.RouterGroups)
		flagContext = flags.NewFlagContext(cmd.MetaData().Flags)
	})

	runCommand := func(args ...string) error {
		err := flagContext.Parse(args...)
		if err != nil {
			return err
		}

		cmd.Execute(flagContext)
		return nil
	}

	Describe("login requirements", func() {
		It("fails if the user is not logged in", func() {
			cmd.Requirements(requirementsFactory, flagContext)

			Expect(requirementsFactory.NewLoginRequirementCallCount()).To(Equal(1))
		})

		factory = new(requirementsfakes.FakeFactory)

		endpointRequirement = &passingRequirement{Name: "endpoint-requirement"}
		factory.NewAPIEndpointRequirementReturns(endpointRequirement)
	})

	Describe("Requirements", func() {
		It("returns an EndpointRequirement", func() {
			actualRequirements := cmd.Requirements(factory, flagContext)
			Expect(factory.NewAPIEndpointRequirementCallCount()).To(Equal(1))
			Expect(actualRequirements).To(ContainElement(endpointRequirement))
		})

		Context("when not provided exactly zero args", func() {
			BeforeEach(func() {
				flagContext.Parse("domain-name")
			})

			It("fails with usage", func() {
				var firstErr error

				reqs := cmd.Requirements(factory, flagContext)

				for _, req := range reqs {
					err := req.Execute()
					if err != nil {
						firstErr = err
						break
					}
				}

			GUID: "fake-domain-guid",
			Name: "fake-domain-name",
		}
		domainRequirement.GetDomainReturns(fakeDomain)

		serviceInstanceRequirement = new(requirementsfakes.FakeServiceInstanceRequirement)
		factory.NewServiceInstanceRequirementReturns(serviceInstanceRequirement)

		minAPIVersionRequirement = &passingRequirement{Name: "min-api-version-requirement"}
		factory.NewMinAPIVersionRequirementReturns(minAPIVersionRequirement)
	})

	Describe("Requirements", func() {
		Context("when not provided exactly two args", func() {
			BeforeEach(func() {
				flagContext.Parse("domain-name")
			})

			It("fails with usage", func() {
				Expect(func() { cmd.Requirements(factory, flagContext) }).To(Panic())
				Expect(ui.Outputs).To(ContainSubstrings(
					[]string{"FAILED"},
					[]string{"Incorrect Usage. Requires DOMAIN and SERVICE_INSTANCE as arguments"},
				))
			})
		})

		Context("when provided exactly two args", func() {
			BeforeEach(func() {
				flagContext.Parse("domain-name", "service-instance")
			})