})
Describe(".ReadRoutes", func() {
It("Returns a empty list of routes", func() {
routes, err := etcd.ReadRoutes()
Expect(err).NotTo(HaveOccurred())
Expect(routes).To(Equal([]db.Route{}))
})
Context("when only one entry is present", func() {
BeforeEach(func() {
route.Route = "next-route"
route.IP = "9.8.7.6"
route.Port = 12345
err := etcd.SaveRoute(route)
Expect(err).NotTo(HaveOccurred())
})
It("Returns a list with one route", func() {
routes, err := etcd.ReadRoutes()
Expect(err).NotTo(HaveOccurred())
Expect(routes).To(ContainElement(route))
})
})
Context("when multiple entries present", func() {
var (
route2 db.Route
)
Expect(routes).To(HaveLen(2))
Expect(routes).To(ContainElement(route))
Expect(routes).To(ContainElement(route2))
})
})
})
Describe("SaveRoute", func() {
Context("when there's no existing entry", func() {
BeforeEach(func() {
keyNotFoundError := client.Error{Code: client.ErrorCodeKeyNotFound}
fakeKeysAPI.GetReturns(nil, keyNotFoundError)
})
It("Creates a route if none exist", func() {
err := fakeEtcd.SaveRoute(route)
Expect(err).NotTo(HaveOccurred())
Expect(fakeKeysAPI.GetCallCount()).To(Equal(1))
Expect(fakeKeysAPI.SetCallCount()).To(Equal(1))
_, _, json, _ := fakeKeysAPI.SetArgsForCall(0)
Expect(json).To(ContainSubstring("\"index\":0"))
})
})
Context("when an entry already exists", func() {
BeforeEach(func() {
route.ModificationTag = models.ModificationTag{Guid: "guid", Index: 5}
routeJson, err := json.Marshal(&route)
Expect(err).ToNot(HaveOccurred())
fakeResp := &client.Response{Node: &client.Node{Value: string(routeJson)}}
fakeKeysAPI.GetReturns(fakeResp, nil)