routingTable = models.NewRoutingTable()
})
Describe("Set", func() {
Context("when a new entry is added", func() {
It("adds the entry", func() {
routingKey := models.RoutingKey{12}
routingTableEntry := models.RoutingTableEntry{
Backends: map[models.BackendServerInfo]struct{}{
models.BackendServerInfo{"some-ip", 1234}: struct{}{},
},
}
ok := routingTable.Set(routingKey, routingTableEntry)
Expect(ok).To(BeTrue())
Expect(routingTable.Get(routingKey)).To(Equal(routingTableEntry))
Expect(routingTable.Size()).To(Equal(1))
})
})
Context("when setting pre-existing routing key", func() {
var (
routingKey models.RoutingKey
existingRoutingTableEntry models.RoutingTableEntry
)
BeforeEach(func() {
routingKey = models.RoutingKey{12}
existingRoutingTableEntry = models.RoutingTableEntry{
Backends: map[models.BackendServerInfo]struct{}{
models.BackendServerInfo{"some-ip-1", 1234}: struct{}{},
models.BackendServerInfo{"some-ip-2", 1234}: struct{}{},
},
},
}
})
Context("when routing api returns tcp route mappings", func() {
BeforeEach(func() {
fakeRoutingApiClient.TcpRouteMappingsReturns(tcpMappings, nil)
})
It("updates the routing table with that data", func() {
go invokeSync(doneChannel)
Eventually(doneChannel).Should(BeClosed())
Expect(fakeTokenFetcher.FetchTokenCallCount()).To(Equal(1))
Expect(fakeRoutingApiClient.TcpRouteMappingsCallCount()).To(Equal(1))
Expect(routingTable.Size()).To(Equal(2))
expectedRoutingTableEntry1 := models.NewRoutingTableEntry(
models.BackendServerInfos{
models.BackendServerInfo{"some-ip-1", 61000},
models.BackendServerInfo{"some-ip-2", 61001},
},
)
verifyRoutingTableEntry(models.RoutingKey{externalPort1}, expectedRoutingTableEntry1)
expectedRoutingTableEntry2 := models.NewRoutingTableEntry(
models.BackendServerInfos{
models.BackendServerInfo{"some-ip-3", 60000},
models.BackendServerInfo{"some-ip-4", 60000},
},
)
verifyRoutingTableEntry(models.RoutingKey{externalPort2}, expectedRoutingTableEntry2)
})