1
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forked from extern/smegmesh
smegmesh/pkg/crdt/datastore_test.go
2024-01-02 00:09:31 +00:00

443 lines
11 KiB
Go

package crdt
import (
"net"
"slices"
"testing"
"time"
"github.com/tim-beatham/smegmesh/pkg/conf"
"github.com/tim-beatham/smegmesh/pkg/lib"
"github.com/tim-beatham/smegmesh/pkg/mesh"
"golang.zx2c4.com/wireguard/wgctrl/wgtypes"
)
type TestParams struct {
manager mesh.MeshProvider
publicKey *wgtypes.Key
}
func setUpTests() *TestParams {
advertiseRoutes := false
advertiseDefaultRoute := false
role := conf.PEER_ROLE
discovery := conf.DNS_IP_DISCOVERY
factory := &TwoPhaseMapFactory{
Config: &conf.DaemonConfiguration{
CertificatePath: "/somecertificatepath",
PrivateKeyPath: "/someprivatekeypath",
CaCertificatePath: "/somecacertificatepath",
SkipCertVerification: true,
GrpcPort: 0,
Timeout: 20,
Profile: false,
SyncTime: 2,
HeartBeat: 10,
ClusterSize: 32,
InterClusterChance: 0.15,
BranchRate: 3,
InfectionCount: 3,
BaseConfiguration: conf.WgConfiguration{
IPDiscovery: &discovery,
AdvertiseRoutes: &advertiseRoutes,
AdvertiseDefaultRoute: &advertiseDefaultRoute,
Role: &role,
},
},
}
key, _ := wgtypes.GeneratePrivateKey()
mesh, _ := factory.CreateMesh(&mesh.MeshProviderFactoryParams{
DevName: "bob",
MeshId: "meshid123",
Client: nil,
Conf: &factory.Config.BaseConfiguration,
DaemonConf: factory.Config,
NodeID: "bob",
})
publicKey := key.PublicKey()
return &TestParams{
manager: mesh,
publicKey: &publicKey,
}
}
func getOurNode(testParams *TestParams) *MeshNode {
return &MeshNode{
HostEndpoint: "public-endpoint:8080",
WgEndpoint: "public-endpoint:21906",
WgHost: "3e9a:1fb3:5e50:8173:9690:f917:b1ab:d218/128",
PublicKey: testParams.publicKey.String(),
Timestamp: time.Now().Unix(),
Description: "A node that we are adding",
Type: "peer",
}
}
func getRandomNode() *MeshNode {
key, _ := wgtypes.GeneratePrivateKey()
publicKey := key.PublicKey()
return &MeshNode{
HostEndpoint: "public-endpoint:8081",
WgEndpoint: "public-endpoint:21907",
WgHost: "3e9a:1fb3:5e50:8173:9690:f917:b1ab:d234/128",
PublicKey: publicKey.String(),
Timestamp: time.Now().Unix(),
Description: "A node that we are adding",
Type: "peer",
}
}
func TestAddNodeAddsTheNodesToTheStore(t *testing.T) {
testParams := setUpTests()
testParams.manager.AddNode(getOurNode(testParams))
if !testParams.manager.NodeExists(testParams.publicKey.String()) {
t.Fatalf(`node %s should have been added to the mesh network`, testParams.publicKey.String())
}
}
func TestAddNodeNodeAlreadyExistsReplacesTheNode(t *testing.T) {
TestAddNodeAddsTheNodesToTheStore(t)
TestAddNodeAddsTheNodesToTheStore(t)
}
func TestSaveThenLoad(t *testing.T) {
testParams := setUpTests()
testParams.manager.AddNode(getOurNode(testParams))
testParams.manager.AddNode(getRandomNode())
testParams.manager.AddNode(getRandomNode())
testParams.manager.AddNode(getRandomNode())
testParams.manager.AddNode(getRandomNode())
bytes := testParams.manager.Save()
if err := testParams.manager.Load(bytes); err != nil {
t.Fatalf(`error caused by loading datastore: %s`, err.Error())
}
}
func TestHasChangesReturnsTrueWhenThereAreChangesInTheMesh(t *testing.T) {
testParams := setUpTests()
testParams.manager.AddNode(getOurNode(testParams))
testParams.manager.AddNode(getRandomNode())
testParams.manager.AddNode(getRandomNode())
testParams.manager.AddNode(getRandomNode())
if !testParams.manager.HasChanges() {
t.Fatalf(`mesh has change but HasChanges returned false`)
}
testParams.manager.SetDescription(testParams.publicKey.String(), "Bob marley")
if !testParams.manager.HasChanges() {
t.Fatalf(`mesh has change but HasChanges returned false`)
}
testParams.manager.SaveChanges()
}
func TestHasChangesWhenThereAreNoChangesInTheMeshReturnsFalse(t *testing.T) {
testParams := setUpTests()
testParams.manager.AddNode(getOurNode(testParams))
testParams.manager.AddNode(getRandomNode())
testParams.manager.AddNode(getRandomNode())
testParams.manager.AddNode(getRandomNode())
testParams.manager.SaveChanges()
if testParams.manager.HasChanges() {
t.Fatalf(`mesh has no changes but HasChanges was true`)
}
testParams.manager.SetDescription(testParams.publicKey.String(), "Bob marley")
testParams.manager.SaveChanges()
if testParams.manager.HasChanges() {
t.Fatalf(`mesh has no changes but HasChanges was true`)
}
}
func TestUpdateTimeStampUpdatesTheTimeStampOfTheGivenNodeIfItIsTheLeader(t *testing.T) {
testParams := setUpTests()
testParams.manager.AddNode(getOurNode(testParams))
before, _ := testParams.manager.GetNode(testParams.publicKey.String())
time.Sleep(1 * time.Second)
testParams.manager.UpdateTimeStamp(testParams.publicKey.String())
after, _ := testParams.manager.GetNode(testParams.publicKey.String())
if before.GetTimeStamp() >= after.GetTimeStamp() {
t.Fatalf(`before should not be after after`)
}
}
func TestUpdateTimeStampUpdatesTheTimeStampOfTheGivenNodeIfItIsNotLeader(t *testing.T) {
testParams := setUpTests()
testParams.manager.AddNode(getOurNode(testParams))
newNode := getRandomNode()
newNode.PublicKey = "aaaaaaaaaa"
testParams.manager.AddNode(newNode)
before, _ := testParams.manager.GetNode(testParams.publicKey.String())
time.Sleep(1 * time.Second)
after, _ := testParams.manager.GetNode(testParams.publicKey.String())
if before.GetTimeStamp() != after.GetTimeStamp() {
t.Fatalf(`before and after should be the same`)
}
}
func TestAddRoutesAddsARouteToTheGivenMesh(t *testing.T) {
testParams := setUpTests()
testParams.manager.AddNode(getOurNode(testParams))
_, destination, _ := net.ParseCIDR("0353:1da7:7f33:acc0:7a3f:6e55:912b:bc1f/64")
testParams.manager.AddRoutes(testParams.publicKey.String(), &mesh.RouteStub{
Destination: destination,
HopCount: 0,
Path: make([]string, 0),
})
node, _ := testParams.manager.GetNode(testParams.publicKey.String())
containsDestination := lib.Contains(node.GetRoutes(), func(r mesh.Route) bool {
return r.GetDestination().Contains(destination.IP)
})
if !containsDestination {
t.Fatalf(`route has not been added to the node`)
}
}
func TestRemoveRoutesWithdrawsRoutesFromTheMesh(t *testing.T) {
testParams := setUpTests()
testParams.manager.AddNode(getOurNode(testParams))
_, destination, _ := net.ParseCIDR("0353:1da7:7f33:acc0:7a3f:6e55:912b:bc1f/64")
route := &mesh.RouteStub{
Destination: destination,
HopCount: 0,
Path: make([]string, 0),
}
testParams.manager.AddRoutes(testParams.publicKey.String(), route)
testParams.manager.RemoveRoutes(testParams.publicKey.String(), route)
node, _ := testParams.manager.GetNode(testParams.publicKey.String())
containsDestination := lib.Contains(node.GetRoutes(), func(r mesh.Route) bool {
return r.GetDestination().Contains(destination.IP)
})
if containsDestination {
t.Fatalf(`route has not been removed from the node`)
}
}
func TestGetNodeGetsTheNodeWhenItExists(t *testing.T) {
testParams := setUpTests()
testParams.manager.AddNode(getOurNode(testParams))
node, _ := testParams.manager.GetNode(testParams.publicKey.String())
if node == nil {
t.Fatalf(`node not found returned nil`)
}
}
func TestGetNodeReturnsNilWhenItDoesNotExist(t *testing.T) {
testParams := setUpTests()
testParams.manager.AddNode(getOurNode(testParams))
testParams.manager.RemoveNode(testParams.publicKey.String())
node, _ := testParams.manager.GetNode(testParams.publicKey.String())
if node != nil {
t.Fatalf(`node found but should be nil`)
}
}
func TestNodeExistsReturnsFalseWhenNotExists(t *testing.T) {
testParams := setUpTests()
testParams.manager.AddNode(getOurNode(testParams))
testParams.manager.RemoveNode(testParams.publicKey.String())
if testParams.manager.NodeExists(testParams.publicKey.String()) {
t.Fatalf(`nodeexists should be false`)
}
}
func TestSetDescriptionReturnsErrorWhenNodeDoesNotExist(t *testing.T) {
testParams := setUpTests()
err := testParams.manager.SetDescription("djdjdj", "djdsjkd")
if err == nil {
t.Fatalf(`error should be thrown`)
}
}
func TestSetDescriptionSetsTheDescription(t *testing.T) {
testParams := setUpTests()
descriptionToSet := "djdsjkd"
testParams.manager.AddNode(getOurNode(testParams))
err := testParams.manager.SetDescription(testParams.publicKey.String(), descriptionToSet)
if err != nil {
t.Fatalf(`error %s thrown`, err.Error())
}
node, _ := testParams.manager.GetNode(testParams.publicKey.String())
description := node.GetDescription()
if description != descriptionToSet {
t.Fatalf(`description was %s should be %s`, description, descriptionToSet)
}
}
func TestAliasNodeDoesNotExist(t *testing.T) {
testParams := setUpTests()
err := testParams.manager.SetAlias("djdjdj", "djdsjkd")
if err == nil {
t.Fatalf(`error should be thrown`)
}
}
func TestSetAliasSetsAlias(t *testing.T) {
testParams := setUpTests()
aliasToSet := "djdsjkd"
testParams.manager.AddNode(getOurNode(testParams))
err := testParams.manager.SetAlias(testParams.publicKey.String(), aliasToSet)
if err != nil {
t.Fatalf(`error %s thrown`, err.Error())
}
node, _ := testParams.manager.GetNode(testParams.publicKey.String())
alias := node.GetAlias()
if alias != aliasToSet {
t.Fatalf(`description was %s should be %s`, alias, aliasToSet)
}
}
func TestAddServiceNodeDoesNotExist(t *testing.T) {
testParams := setUpTests()
err := testParams.manager.AddService("djdjdj", "djdsjkd", "sddsds")
if err == nil {
t.Fatalf(`error should be thrown`)
}
}
func TestAddServiceNodeExists(t *testing.T) {
testParams := setUpTests()
service := "djdsjkd"
serviceValue := "dsdsds"
testParams.manager.AddNode(getOurNode(testParams))
err := testParams.manager.AddService(testParams.publicKey.String(), service, serviceValue)
if err != nil {
t.Fatalf(`error %s thrown`, err.Error())
}
node, _ := testParams.manager.GetNode(testParams.publicKey.String())
services := node.GetServices()
if value, ok := services[service]; !ok || value != serviceValue {
t.Fatalf(`service not added to the data store`)
}
}
func TestRemoveServiceDoesNotExists(t *testing.T) {
testParams := setUpTests()
err := testParams.manager.RemoveService("djdjdj", "dsdssd")
if err == nil {
t.Fatalf(`error should be thrown`)
}
}
func TestRemoveServiceServiceDoesNotExist(t *testing.T) {
testParams := setUpTests()
testParams.manager.AddNode(getOurNode(testParams))
if err := testParams.manager.RemoveService(testParams.publicKey.String(), "dhsdh"); err == nil {
t.Fatalf(`error should be thrown`)
}
}
func TestGetPeersReturnsAllPeersInTheMesh(t *testing.T) {
testParams := setUpTests()
peer1 := getRandomNode()
peer2 := getRandomNode()
client := getRandomNode()
client.Type = "client"
testParams.manager.AddNode(peer1)
testParams.manager.AddNode(peer2)
testParams.manager.AddNode(client)
peers := testParams.manager.GetPeers()
slices.Sort(peers)
if len(peers) != 2 {
t.Fatalf(`there should be two peers in the mesh`)
}
peer1Pub, _ := peer1.GetPublicKey()
if !slices.Contains(peers, peer1Pub.String()) {
t.Fatalf(`peer1 not in the list`)
}
peer2Pub, _ := peer2.GetPublicKey()
if !slices.Contains(peers, peer2Pub.String()) {
t.Fatalf(`peer2 not in the list`)
}
}
func TestRemoveNodeReturnsErrorIfNodeDoesNotExist(t *testing.T) {
testParams := setUpTests()
err := testParams.manager.RemoveNode("dsjdssjk")
if err == nil {
t.Fatalf(`error should have returned`)
}
}