github.com/liamawhite/cli-with-i18n@v6.32.1-0.20171122084555-dede0a5c3448+incompatible/actor/cfnetworkingaction/policy_test.go

package cfnetworkingaction_test

import (
	"errors"

	"code.cloudfoundry.org/cfnetworking-cli-api/cfnetworking/cfnetv1"
	. "github.com/liamawhite/cli-with-i18n/actor/cfnetworkingaction"
	"github.com/liamawhite/cli-with-i18n/actor/cfnetworkingaction/cfnetworkingactionfakes"
	"github.com/liamawhite/cli-with-i18n/actor/v3action"
	. "github.com/onsi/ginkgo"
	. "github.com/onsi/gomega"
)

var _ = Describe("Policy", func() {
	var (
		actor                *Actor
		fakeV3Actor          *cfnetworkingactionfakes.FakeV3Actor
		fakeNetworkingClient *cfnetworkingactionfakes.FakeNetworkingClient

		warnings   Warnings
		executeErr error
	)

	BeforeEach(func() {
		fakeV3Actor = new(cfnetworkingactionfakes.FakeV3Actor)
		fakeNetworkingClient = new(cfnetworkingactionfakes.FakeNetworkingClient)

		fakeV3Actor.GetApplicationByNameAndSpaceStub = func(appName string, spaceGUID string) (v3action.Application, v3action.Warnings, error) {
			if appName == "appA" {
				return v3action.Application{GUID: "appAGUID"}, []string{"v3ActorWarningA"}, nil
			} else if appName == "appB" {
				return v3action.Application{GUID: "appBGUID"}, []string{"v3ActorWarningB"}, nil
			}
			return v3action.Application{}, nil, nil
		}

		actor = NewActor(fakeNetworkingClient, fakeV3Actor)
	})

	Describe("AddNetworkPolicy", func() {
		JustBeforeEach(func() {
			spaceGuid := "space"
			srcApp := "appA"
			destApp := "appB"
			protocol := "tcp"
			startPort := 8080
			endPort := 8090
			warnings, executeErr = actor.AddNetworkPolicy(spaceGuid, srcApp, destApp, protocol, startPort, endPort)
		})

		It("creates policies", func() {
			Expect(warnings).To(Equal(Warnings([]string{"v3ActorWarningA", "v3ActorWarningB"})))
			Expect(executeErr).NotTo(HaveOccurred())

			Expect(fakeV3Actor.GetApplicationByNameAndSpaceCallCount()).To(Equal(2))
			sourceAppName, spaceGUID := fakeV3Actor.GetApplicationByNameAndSpaceArgsForCall(0)
			Expect(sourceAppName).To(Equal("appA"))
			Expect(spaceGUID).To(Equal("space"))

			destAppName, spaceGUID := fakeV3Actor.GetApplicationByNameAndSpaceArgsForCall(1)
			Expect(destAppName).To(Equal("appB"))
			Expect(spaceGUID).To(Equal("space"))

			Expect(fakeNetworkingClient.CreatePoliciesCallCount()).To(Equal(1))
			Expect(fakeNetworkingClient.CreatePoliciesArgsForCall(0)).To(Equal([]cfnetv1.Policy{
				{
					Source: cfnetv1.PolicySource{
						ID: "appAGUID",
					},
					Destination: cfnetv1.PolicyDestination{
						ID:       "appBGUID",
						Protocol: "tcp",
						Ports: cfnetv1.Ports{
							Start: 8080,
							End:   8090,
						},
					},
				},
			}))
		})

		Context("when getting the source app fails ", func() {
			BeforeEach(func() {
				fakeV3Actor.GetApplicationByNameAndSpaceReturns(v3action.Application{}, []string{"v3ActorWarningA"}, errors.New("banana"))
			})
			It("returns a sensible error", func() {
				Expect(warnings).To(Equal(Warnings([]string{"v3ActorWarningA"})))
				Expect(executeErr).To(MatchError("banana"))
			})
		})

		Context("when getting the destination app fails ", func() {
			BeforeEach(func() {
				fakeV3Actor.GetApplicationByNameAndSpaceStub = func(appName string, spaceGUID string) (v3action.Application, v3action.Warnings, error) {
					if appName == "appB" {
						return v3action.Application{}, []string{"v3ActorWarningB"}, errors.New("banana")
					}
					return v3action.Application{}, []string{"v3ActorWarningA"}, nil
				}
			})
			It("returns a sensible error", func() {
				Expect(warnings).To(Equal(Warnings([]string{"v3ActorWarningA", "v3ActorWarningB"})))
				Expect(executeErr).To(MatchError("banana"))
			})
		})

		Context("when creating the policy fails", func() {
			BeforeEach(func() {
				fakeNetworkingClient.CreatePoliciesReturns(errors.New("apple"))
			})
			It("returns a sensible error", func() {
				Expect(executeErr).To(MatchError("apple"))
			})
		})
	})

	Describe("NetworkPoliciesBySpaceAndAppName", func() {
		var (
			policies []Policy
			srcApp   string
		)

		BeforeEach(func() {
			fakeNetworkingClient.ListPoliciesReturns([]cfnetv1.Policy{{
				Source: cfnetv1.PolicySource{
					ID: "appAGUID",
				},
				Destination: cfnetv1.PolicyDestination{
					ID:       "appBGUID",
					Protocol: "tcp",
					Ports: cfnetv1.Ports{
						Start: 8080,
						End:   8080,
					},
				},
			}, {
				Source: cfnetv1.PolicySource{
					ID: "appBGUID",
				},
				Destination: cfnetv1.PolicyDestination{
					ID:       "appBGUID",
					Protocol: "tcp",
					Ports: cfnetv1.Ports{
						Start: 8080,
						End:   8080,
					},
				},
			}, {
				Source: cfnetv1.PolicySource{
					ID: "appCGUID",
				},
				Destination: cfnetv1.PolicyDestination{
					ID:       "appCGUID",
					Protocol: "tcp",
					Ports: cfnetv1.Ports{
						Start: 8080,
						End:   8080,
					},
				},
			}}, nil)

			fakeV3Actor.GetApplicationsBySpaceStub = func(_ string) ([]v3action.Application, v3action.Warnings, error) {
				return []v3action.Application{
					{
						Name: "appA",
						GUID: "appAGUID",
					},
					{
						Name: "appB",
						GUID: "appBGUID",
					},
				}, []string{"GetApplicationsBySpaceWarning"}, nil
			}

		})

		JustBeforeEach(func() {
			spaceGuid := "space"
			policies, warnings, executeErr = actor.NetworkPoliciesBySpaceAndAppName(spaceGuid, srcApp)
		})

		Context("when listing policies based on a source app", func() {
			BeforeEach(func() {
				srcApp = "appA"
			})

			It("lists only policies for which the app is a source", func() {
				Expect(policies).To(Equal(
					[]Policy{{
						SourceName:      "appA",
						DestinationName: "appB",
						Protocol:        "tcp",
						StartPort:       8080,
						EndPort:         8080,
					}},
				))
			})

			It("passes through the source app argument", func() {
				Expect(warnings).To(Equal(Warnings([]string{"GetApplicationsBySpaceWarning", "v3ActorWarningA"})))
				Expect(executeErr).NotTo(HaveOccurred())

				Expect(fakeV3Actor.GetApplicationByNameAndSpaceCallCount()).To(Equal(1))
				sourceAppName, spaceGUID := fakeV3Actor.GetApplicationByNameAndSpaceArgsForCall(0)
				Expect(sourceAppName).To(Equal("appA"))
				Expect(spaceGUID).To(Equal("space"))

				Expect(fakeNetworkingClient.ListPoliciesCallCount()).To(Equal(1))
				Expect(fakeNetworkingClient.ListPoliciesArgsForCall(0)).To(Equal([]string{"appAGUID"}))
			})
		})

		Context("when getting the applications fails", func() {
			BeforeEach(func() {
				fakeV3Actor.GetApplicationsBySpaceReturns([]v3action.Application{}, []string{"GetApplicationsBySpaceWarning"}, errors.New("banana"))
			})

			It("returns a sensible error", func() {
				Expect(policies).To(Equal([]Policy{}))
				Expect(warnings).To(Equal(Warnings([]string{"GetApplicationsBySpaceWarning"})))
				Expect(executeErr).To(MatchError("banana"))
			})
		})

		Context("when getting the source app fails ", func() {
			BeforeEach(func() {
				fakeV3Actor.GetApplicationByNameAndSpaceStub = func(appName string, spaceGUID string) (v3action.Application, v3action.Warnings, error) {
					if appName == "appA" {
						return v3action.Application{}, []string{"v3ActorWarningA"}, errors.New("banana")
					}
					return v3action.Application{}, []string{"v3ActorWarningB"}, nil
				}

				srcApp = "appA"
			})

			It("returns a sensible error", func() {
				Expect(policies).To(Equal([]Policy{}))
				Expect(warnings).To(Equal(Warnings([]string{"GetApplicationsBySpaceWarning", "v3ActorWarningA"})))
				Expect(executeErr).To(MatchError("banana"))
			})
		})

		Context("when listing the policy fails", func() {
			BeforeEach(func() {
				fakeNetworkingClient.ListPoliciesReturns([]cfnetv1.Policy{}, errors.New("apple"))
			})
			It("returns a sensible error", func() {
				Expect(executeErr).To(MatchError("apple"))
			})
		})
	})

	Describe("NetworkPoliciesBySpace", func() {
		var (
			policies []Policy
		)

		BeforeEach(func() {
			fakeNetworkingClient.ListPoliciesReturns([]cfnetv1.Policy{{
				Source: cfnetv1.PolicySource{
					ID: "appAGUID",
				},
				Destination: cfnetv1.PolicyDestination{
					ID:       "appBGUID",
					Protocol: "tcp",
					Ports: cfnetv1.Ports{
						Start: 8080,
						End:   8080,
					},
				},
			}, {
				Source: cfnetv1.PolicySource{
					ID: "appBGUID",
				},
				Destination: cfnetv1.PolicyDestination{
					ID:       "appBGUID",
					Protocol: "tcp",
					Ports: cfnetv1.Ports{
						Start: 8080,
						End:   8080,
					},
				},
			}, {
				Source: cfnetv1.PolicySource{
					ID: "appCGUID",
				},
				Destination: cfnetv1.PolicyDestination{
					ID:       "appCGUID",
					Protocol: "tcp",
					Ports: cfnetv1.Ports{
						Start: 8080,
						End:   8080,
					},
				},
			}}, nil)

			fakeV3Actor.GetApplicationsBySpaceStub = func(_ string) ([]v3action.Application, v3action.Warnings, error) {
				return []v3action.Application{
					{
						Name: "appA",
						GUID: "appAGUID",
					},
					{
						Name: "appB",
						GUID: "appBGUID",
					},
				}, []string{"GetApplicationsBySpaceWarning"}, nil
			}

		})

		JustBeforeEach(func() {
			spaceGuid := "space"
			policies, warnings, executeErr = actor.NetworkPoliciesBySpace(spaceGuid)
		})

		It("lists policies", func() {
			Expect(policies).To(Equal(
				[]Policy{{
					SourceName:      "appA",
					DestinationName: "appB",
					Protocol:        "tcp",
					StartPort:       8080,
					EndPort:         8080,
				}, {
					SourceName:      "appB",
					DestinationName: "appB",
					Protocol:        "tcp",
					StartPort:       8080,
					EndPort:         8080,
				}},
			))
			Expect(warnings).To(Equal(Warnings([]string{"GetApplicationsBySpaceWarning"})))
			Expect(executeErr).NotTo(HaveOccurred())

			Expect(fakeV3Actor.GetApplicationsBySpaceCallCount()).To(Equal(1))
			Expect(fakeV3Actor.GetApplicationByNameAndSpaceCallCount()).To(Equal(0))

			Expect(fakeNetworkingClient.ListPoliciesCallCount()).To(Equal(1))
			Expect(fakeNetworkingClient.ListPoliciesArgsForCall(0)).To(BeNil())
		})

		Context("when getting the applications fails", func() {
			BeforeEach(func() {
				fakeV3Actor.GetApplicationsBySpaceReturns([]v3action.Application{}, []string{"GetApplicationsBySpaceWarning"}, errors.New("banana"))
			})

			It("returns a sensible error", func() {
				Expect(policies).To(Equal([]Policy{}))
				Expect(warnings).To(Equal(Warnings([]string{"GetApplicationsBySpaceWarning"})))
				Expect(executeErr).To(MatchError("banana"))
			})
		})

		Context("when listing the policy fails", func() {
			BeforeEach(func() {
				fakeNetworkingClient.ListPoliciesReturns([]cfnetv1.Policy{}, errors.New("apple"))
			})
			It("returns a sensible error", func() {
				Expect(executeErr).To(MatchError("apple"))
			})
		})
	})

	Describe("RemoveNetworkPolicy", func() {
		BeforeEach(func() {
			fakeNetworkingClient.ListPoliciesReturns([]cfnetv1.Policy{
				{
					Source: cfnetv1.PolicySource{
						ID: "appAGUID",
					},
					Destination: cfnetv1.PolicyDestination{
						ID:       "appBGUID",
						Protocol: "udp",
						Ports: cfnetv1.Ports{
							Start: 123,
							End:   345,
						},
					},
				},
			}, nil)
		})

		JustBeforeEach(func() {
			spaceGuid := "space"
			srcApp := "appA"
			destApp := "appB"
			protocol := "udp"
			startPort := 123
			endPort := 345
			warnings, executeErr = actor.RemoveNetworkPolicy(spaceGuid, srcApp, destApp, protocol, startPort, endPort)
		})
		It("removes policies", func() {
			Expect(warnings).To(Equal(Warnings([]string{"v3ActorWarningA", "v3ActorWarningB"})))
			Expect(executeErr).NotTo(HaveOccurred())

			Expect(fakeV3Actor.GetApplicationByNameAndSpaceCallCount()).To(Equal(2))
			sourceAppName, spaceGUID := fakeV3Actor.GetApplicationByNameAndSpaceArgsForCall(0)
			Expect(sourceAppName).To(Equal("appA"))
			Expect(spaceGUID).To(Equal("space"))

			destAppName, spaceGUID := fakeV3Actor.GetApplicationByNameAndSpaceArgsForCall(1)
			Expect(destAppName).To(Equal("appB"))
			Expect(spaceGUID).To(Equal("space"))

			Expect(fakeNetworkingClient.ListPoliciesCallCount()).To(Equal(1))

			Expect(fakeNetworkingClient.RemovePoliciesCallCount()).To(Equal(1))
			Expect(fakeNetworkingClient.RemovePoliciesArgsForCall(0)).To(Equal([]cfnetv1.Policy{
				{
					Source: cfnetv1.PolicySource{
						ID: "appAGUID",
					},
					Destination: cfnetv1.PolicyDestination{
						ID:       "appBGUID",
						Protocol: "udp",
						Ports: cfnetv1.Ports{
							Start: 123,
							End:   345,
						},
					},
				},
			}))
		})

		Context("when the policy does not exist", func() {
			BeforeEach(func() {
				fakeNetworkingClient.ListPoliciesReturns([]cfnetv1.Policy{}, nil)
			})

			It("returns an error", func() {
				Expect(warnings).To(Equal(Warnings([]string{"v3ActorWarningA", "v3ActorWarningB"})))
				Expect(executeErr).To(MatchError("Policy does not exist."))
			})
		})

		Context("when getting the source app fails ", func() {
			BeforeEach(func() {
				fakeV3Actor.GetApplicationByNameAndSpaceReturns(v3action.Application{}, []string{"v3ActorWarningA"}, errors.New("banana"))
			})
			It("returns a sensible error", func() {
				Expect(warnings).To(Equal(Warnings([]string{"v3ActorWarningA"})))
				Expect(executeErr).To(MatchError("banana"))
			})
		})

		Context("when getting the destination app fails ", func() {
			BeforeEach(func() {
				fakeV3Actor.GetApplicationByNameAndSpaceReturnsOnCall(0, v3action.Application{}, []string{"v3ActorWarningA"}, nil)
				fakeV3Actor.GetApplicationByNameAndSpaceReturnsOnCall(1, v3action.Application{}, []string{"v3ActorWarningB"}, errors.New("banana"))
			})

			It("returns a sensible error", func() {
				Expect(warnings).To(Equal(Warnings([]string{"v3ActorWarningA", "v3ActorWarningB"})))
				Expect(executeErr).To(MatchError("banana"))
			})
		})

		Context("when listing policies fails", func() {
			BeforeEach(func() {
				fakeNetworkingClient.ListPoliciesReturns([]cfnetv1.Policy{}, errors.New("apple"))
			})
			It("returns a sensible error", func() {
				Expect(executeErr).To(MatchError("apple"))
			})
		})

		Context("when removing the policy fails", func() {
			BeforeEach(func() {
				fakeNetworkingClient.RemovePoliciesReturns(errors.New("apple"))
			})
			It("returns a sensible error", func() {
				Expect(executeErr).To(MatchError("apple"))
			})
		})
	})
})