Golang FlagContext.Parse方法代碼示例

		reqFactory.NewLoginRequirementReturns(loginRequirement)
		targetedSpaceRequirement = &passingRequirement{Name: "targeted-space-requirement"}
		reqFactory.NewTargetedSpaceRequirementReturns(targetedSpaceRequirement)
		applicationRequirement = new(requirementsfakes.FakeApplicationRequirement)
		applicationRequirement.ExecuteReturns(nil)
		reqFactory.NewApplicationRequirementReturns(applicationRequirement)
	})

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

		Context("when not provided exactly 1 argument", func() {
			It("fails", func() {
				err := flagContext.Parse("too", "many")
				Expect(err).NotTo(HaveOccurred())
				_, err = cmd.Requirements(reqFactory, flagContext)
				Expect(err).To(HaveOccurred())
				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())

		factory = new(requirementsfakes.FakeFactory)

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

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

		targetedSpaceRequirement = &passingRequirement{Name: "targeted-space-requirement"}
		factory.NewTargetedSpaceRequirementReturns(targetedSpaceRequirement)
	})

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

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

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

		targetedOrgReq.ExecuteReturns(nil)
		reqFactory.NewTargetedOrgRequirementReturns(targetedOrgReq)

		spaceRequirement = new(requirementsfakes.FakeSpaceRequirement)
		spaceRequirement.ExecuteReturns(nil)
		reqFactory.NewSpaceRequirementReturns(spaceRequirement)

		cmd = space.ShowSpace{}
		flagContext = flags.NewFlagContext(cmd.MetaData().Flags)
		cmd.SetDependency(deps, false)
	})

	Describe("Requirements", func() {
		Context("when the wrong number of args are provided", func() {
			BeforeEach(func() {
				err := flagContext.Parse()
				Expect(err).NotTo(HaveOccurred())
			})

			It("fails with no args", func() {
				_, err := cmd.Requirements(reqFactory, flagContext)
				Expect(err).To(HaveOccurred())
				Expect(ui.Outputs()).To(ContainSubstrings(
					[]string{"FAILED"},
					[]string{"Incorrect Usage. Requires an argument"},
				))
			})
		})

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

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

	Describe("Requirements", func() {
		It("returns an EndpointRequirement", func() {
			actualRequirements, err := cmd.Requirements(factory, flagContext)
			Expect(err).NotTo(HaveOccurred())
			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, err := cmd.Requirements(factory, flagContext)
				Expect(err).NotTo(HaveOccurred())

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

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

		userRequirement = new(requirementsfakes.FakeUserRequirement)
		userRequirement.ExecuteReturns(nil)
		factory.NewUserRequirementReturns(userRequirement)

		organizationRequirement = new(requirementsfakes.FakeOrganizationRequirement)
		organizationRequirement.ExecuteReturns(nil)
		factory.NewOrganizationRequirementReturns(organizationRequirement)
	})

	Describe("Requirements", func() {
		Context("when not provided exactly four args", func() {
			BeforeEach(func() {
				flagContext.Parse("the-user-name", "the-org-name", "the-space-name")
			})

			It("fails with usage", func() {
				_, err := cmd.Requirements(factory, flagContext)
				Expect(err).To(HaveOccurred())
				Expect(ui.Outputs()).To(ContainSubstrings(
					[]string{"Incorrect Usage. Requires USERNAME, ORG, SPACE, ROLE as arguments"},
					[]string{"NAME"},
					[]string{"USAGE"},
				))
			})
		})

		Context("when provided four args", func() {
			BeforeEach(func() {

			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() {
				_, err := cmd.Requirements(factory, flagContext)
				Expect(err).To(HaveOccurred())
				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")

			fc = flags.New()
			fc.NewStringSliceFlag("L", "", "")
			fc.NewStringSliceFlag("command", "c", "")
			fc.NewIntFlag("app-instance-index", "i", "")
			fc.NewBoolFlag("skip-host-validation", "k", "")
			fc.NewBoolFlag("skip-remote-execution", "N", "")
			fc.NewBoolFlag("request-pseudo-tty", "t", "")
			fc.NewBoolFlag("force-pseudo-tty", "tt", "")
			fc.NewBoolFlag("disable-pseudo-tty", "T", "")

			args = []string{}
			parseError = nil
		})

		JustBeforeEach(func() {
			err := fc.Parse(args...)
			Expect(err).NotTo(HaveOccurred())

			opts, parseError = options.NewSSHOptions(fc)
		})

		Context("when an app name is provided", func() {
			Context("as the only argument", func() {
				BeforeEach(func() {
					args = append(args, "app-1")
				})

				It("populates the AppName field", func() {
					Expect(parseError).NotTo(HaveOccurred())
					Expect(opts.AppName).To(Equal("app-1"))
				})

		factory = new(requirementsfakes.FakeFactory)

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

		targetedOrgRequirement = new(requirementsfakes.FakeTargetedOrgRequirement)
		factory.NewTargetedOrgRequirementReturns(targetedOrgRequirement)

		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("app-name")
			})

			It("fails with usage", func() {
				_, err := cmd.Requirements(factory, flagContext)
				Expect(err).To(HaveOccurred())
				Expect(ui.Outputs()).To(ContainSubstrings(
					[]string{"FAILED"},
					[]string{"Incorrect Usage. Requires host and domain as arguments"},
				))
			})
		})

		Context("when provided exactly two args", func() {
			BeforeEach(func() {
				flagContext.Parse("domain-name", "host-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")
			Expect(fc.IsSet("s")).To(BeFalse())
			Expect(fc.String("s")).To(Equal(""))

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

		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() {
				_, err := cmd.Requirements(factory, flagContext)
				Expect(err).To(HaveOccurred())
				Expect(ui.Outputs()).To(ContainSubstrings(
					[]string{"Incorrect Usage. Requires SPACE and DOMAIN as arguments"},
					[]string{"NAME"},
					[]string{"USAGE"},
				))
			})
		})

		Context("when provided exactly two args", func() {

			BeforeEach(func() {
				cmdFlagMap = make(map[string]flags.FlagSet)

				cmdFlagMap["name"] = &flags.StringFlag{Name: "name", ShortName: "n", Usage: "test string flag"}
				cmdFlagMap["skip"] = &flags.BoolFlag{Name: "skip", Usage: "test bool flag"}
				cmdFlagMap["instance"] = &flags.IntFlag{Name: "instance", Usage: "test int flag"}
				cmdFlagMap["float"] = &flags.Float64Flag{Name: "float", Usage: "test float64 flag"}
				cmdFlagMap["skip2"] = &flags.BoolFlag{Name: "skip2", Usage: "test bool flag"}
				cmdFlagMap["slice"] = &flags.StringSliceFlag{Name: "slice", Usage: "test stringSlice flag"}

				fCtx = flags.NewFlagContext(cmdFlagMap)
			})

			It("accepts flags with either single '-' or double '-' ", func() {
				err := fCtx.Parse("--name", "blue")
				Expect(err).NotTo(HaveOccurred())

				err = fCtx.Parse("-name", "")
				Expect(err).NotTo(HaveOccurred())
			})

			It("sets a flag with it's full name", func() {
				err := fCtx.Parse("-name", "blue")
				Expect(err).NotTo(HaveOccurred())
				Expect(fCtx.IsSet("name")).To(BeTrue())
				Expect(fCtx.IsSet("n")).To(BeTrue())
				Expect(fCtx.String("name")).To(Equal("blue"))
				Expect(fCtx.String("n")).To(Equal("blue"))
			})

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

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

		It("fails when the routing API endpoint is not set", func() {
			cmd.Requirements(requirementsFactory, flagContext)

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

		It("should fail with usage", func() {
			flagContext.Parse("blahblah")
			cmd.Requirements(requirementsFactory, flagContext)

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

	Describe("Execute", func() {
		var err error

		BeforeEach(func() {
			err := flagContext.Parse()
			Expect(err).NotTo(HaveOccurred())
		})

		JustBeforeEach(func() {

		cmd.SetDependency(deps, false)

		flagContext = flags.NewFlagContext(cmd.MetaData().Flags)
		factory = new(requirementsfakes.FakeFactory)

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

		maxAPIVersionRequirement = &passingRequirement{Name: "max-api-version-requirement"}
		factory.NewMaxAPIVersionRequirementReturns(maxAPIVersionRequirement)
	})

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

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

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

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

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

		runCLIErr = cmd.Execute(flagContext)
	}

	BeforeEach(func() {
		ui = new(testterm.FakeUI)
		requirementsFactory = new(requirementsfakes.FakeFactory)
		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(),

		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() {
				var err error

				flagContext.Parse("space", "space-quota")
				reqs, err = cmd.Requirements(requirementsFactory, flagContext)
				Expect(err).NotTo(HaveOccurred())
			})

			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() {