space.Name = "space-name"
				space.Guid = "space-guid"
				fakeSpaceRepo.FindByNameInOrgSpace = space

				securityGroup := models.SecurityGroup{}
				securityGroup.Name = "security-group"
				securityGroup.Guid = "security-group-guid"
				fakeSecurityGroupRepo.ReadReturns(securityGroup, nil)
			})

			JustBeforeEach(func() {
				runCommand("security-group", "org-name", "space-name")
			})

			It("assigns the security group to the space", func() {
				secGroupGuid, spaceGuid := fakeSpaceBinder.BindSpaceArgsForCall(0)
				Expect(secGroupGuid).To(Equal("security-group-guid"))
				Expect(spaceGuid).To(Equal("space-guid"))
			})

			It("describes what it is doing for the user's benefit", func() {
				Expect(ui.Outputs).To(ContainSubstrings(
					[]string{"Assigning security group security-group to space space-name in org org-name as my-user"},
					[]string{"OK"},
					[]string{"TIP: Changes will not apply to existing running applications until they are restarted."},
				))
			})
		})
	})
})