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Strip Advertise/Process from router

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This commit is contained in:
Asim Aslam
2020-08-14 23:51:52 +01:00
committed by Vasiliy Tolstov
parent 49a8d05e46
commit 97aca6bd55
4 changed files with 66 additions and 571 deletions
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109
table_test.go
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@@ -28,19 +28,19 @@ func TestCreate(t *testing.T) {
table, route := testSetup()
if err := table.Create(route); err != nil {
t.Errorf("error adding route: %s", err)
t.Fatalf("error adding route: %s", err)
}
// adds new route for the original destination
route.Gateway = "dest.gw2"
if err := table.Create(route); err != nil {
t.Errorf("error adding route: %s", err)
t.Fatalf("error adding route: %s", err)
}
// adding the same route under Insert policy must error
if err := table.Create(route); err != router.ErrDuplicateRoute {
t.Errorf("error adding route. Expected error: %s, found: %s", router.ErrDuplicateRoute, err)
t.Fatalf("error adding route. Expected error: %s, found: %s", router.ErrDuplicateRoute, err)
}
}
@@ -48,7 +48,7 @@ func TestDelete(t *testing.T) {
table, route := testSetup()
if err := table.Create(route); err != nil {
t.Errorf("error adding route: %s", err)
t.Fatalf("error adding route: %s", err)
}
// should fail to delete non-existant route
@@ -56,14 +56,14 @@ func TestDelete(t *testing.T) {
route.Service = "randDest"
if err := table.Delete(route); err != router.ErrRouteNotFound {
t.Errorf("error deleting route. Expected: %s, found: %s", router.ErrRouteNotFound, err)
t.Fatalf("error deleting route. Expected: %s, found: %s", router.ErrRouteNotFound, err)
}
// we should be able to delete the existing route
route.Service = prevSvc
if err := table.Delete(route); err != nil {
t.Errorf("error deleting route: %s", err)
t.Fatalf("error deleting route: %s", err)
}
}
@@ -71,21 +71,21 @@ func TestUpdate(t *testing.T) {
table, route := testSetup()
if err := table.Create(route); err != nil {
t.Errorf("error adding route: %s", err)
t.Fatalf("error adding route: %s", err)
}
// change the metric of the original route
route.Metric = 200
if err := table.Update(route); err != nil {
t.Errorf("error updating route: %s", err)
t.Fatalf("error updating route: %s", err)
}
// this should add a new route
route.Service = "rand.dest"
if err := table.Update(route); err != nil {
t.Errorf("error updating route: %s", err)
t.Fatalf("error updating route: %s", err)
}
}
@@ -97,17 +97,17 @@ func TestList(t *testing.T) {
for i := 0; i < len(svc); i++ {
route.Service = svc[i]
if err := table.Create(route); err != nil {
t.Errorf("error adding route: %s", err)
t.Fatalf("error adding route: %s", err)
}
}
routes, err := table.List()
if err != nil {
t.Errorf("error listing routes: %s", err)
t.Fatalf("error listing routes: %s", err)
}
if len(routes) != len(svc) {
t.Errorf("incorrect number of routes listed. Expected: %d, found: %d", len(svc), len(routes))
t.Fatalf("incorrect number of routes listed. Expected: %d, found: %d", len(svc), len(routes))
}
}
@@ -124,17 +124,19 @@ func TestQuery(t *testing.T) {
route.Network = net[i]
route.Gateway = gw[i]
route.Router = rtr[i]
route.Link = router.DefaultLink
if err := table.Create(route); err != nil {
t.Errorf("error adding route: %s", err)
t.Fatalf("error adding route: %s", err)
}
}
// return all routes
routes, err := table.Query()
if err != nil {
t.Errorf("error looking up routes: %s", err)
t.Fatalf("error looking up routes: %s", err)
} else if len(routes) == 0 {
t.Errorf("error looking up routes: not found")
t.Fatalf("error looking up routes: not found")
}
// query routes particular network
@@ -142,16 +144,16 @@ func TestQuery(t *testing.T) {
routes, err = table.Query(router.QueryNetwork(network))
if err != nil {
t.Errorf("error looking up routes: %s", err)
t.Fatalf("error looking up routes: %s", err)
}
if len(routes) != 2 {
t.Errorf("incorrect number of routes returned. Expected: %d, found: %d", 2, len(routes))
t.Fatalf("incorrect number of routes returned. Expected: %d, found: %d", 2, len(routes))
}
for _, route := range routes {
if route.Network != network {
t.Errorf("incorrect route returned. Expected network: %s, found: %s", network, route.Network)
t.Fatalf("incorrect route returned. Expected network: %s, found: %s", network, route.Network)
}
}
@@ -160,15 +162,15 @@ func TestQuery(t *testing.T) {
routes, err = table.Query(router.QueryGateway(gateway))
if err != nil {
t.Errorf("error looking up routes: %s", err)
t.Fatalf("error looking up routes: %s", err)
}
if len(routes) != 1 {
t.Errorf("incorrect number of routes returned. Expected: %d, found: %d", 1, len(routes))
t.Fatalf("incorrect number of routes returned. Expected: %d, found: %d", 1, len(routes))
}
if routes[0].Gateway != gateway {
t.Errorf("incorrect route returned. Expected gateway: %s, found: %s", gateway, routes[0].Gateway)
t.Fatalf("incorrect route returned. Expected gateway: %s, found: %s", gateway, routes[0].Gateway)
}
// query routes for particular router
@@ -176,15 +178,15 @@ func TestQuery(t *testing.T) {
routes, err = table.Query(router.QueryRouter(rt))
if err != nil {
t.Errorf("error looking up routes: %s", err)
t.Fatalf("error looking up routes: %s", err)
}
if len(routes) != 1 {
t.Errorf("incorrect number of routes returned. Expected: %d, found: %d", 1, len(routes))
t.Fatalf("incorrect number of routes returned. Expected: %d, found: %d", 1, len(routes))
}
if routes[0].Router != rt {
t.Errorf("incorrect route returned. Expected router: %s, found: %s", rt, routes[0].Router)
t.Fatalf("incorrect route returned. Expected router: %s, found: %s", rt, routes[0].Router)
}
// query particular gateway and network
@@ -196,57 +198,57 @@ func TestQuery(t *testing.T) {
routes, err = table.Query(query...)
if err != nil {
t.Errorf("error looking up routes: %s", err)
t.Fatalf("error looking up routes: %s", err)
}
if len(routes) != 1 {
t.Errorf("incorrect number of routes returned. Expected: %d, found: %d", 1, len(routes))
t.Fatalf("incorrect number of routes returned. Expected: %d, found: %d", 1, len(routes))
}
if routes[0].Gateway != gateway {
t.Errorf("incorrect route returned. Expected gateway: %s, found: %s", gateway, routes[0].Gateway)
t.Fatalf("incorrect route returned. Expected gateway: %s, found: %s", gateway, routes[0].Gateway)
}
if routes[0].Network != network {
t.Errorf("incorrect network returned. Expected network: %s, found: %s", network, routes[0].Network)
t.Fatalf("incorrect network returned. Expected network: %s, found: %s", network, routes[0].Network)
}
if routes[0].Router != rt {
t.Errorf("incorrect route returned. Expected router: %s, found: %s", rt, routes[0].Router)
t.Fatalf("incorrect route returned. Expected router: %s, found: %s", rt, routes[0].Router)
}
// non-existen route query
routes, err = table.Query(router.QueryService("foobar"))
if err != router.ErrRouteNotFound {
t.Errorf("error looking up routes. Expected: %s, found: %s", router.ErrRouteNotFound, err)
t.Fatalf("error looking up routes. Expected: %s, found: %s", router.ErrRouteNotFound, err)
}
if len(routes) != 0 {
t.Errorf("incorrect number of routes returned. Expected: %d, found: %d", 0, len(routes))
t.Fatalf("incorrect number of routes returned. Expected: %d, found: %d", 0, len(routes))
}
// query NO routes
query = []router.QueryOption{
router.QueryGateway(gateway),
router.QueryNetwork(network),
router.QueryStrategy(router.AdvertiseNone),
router.QueryLink("network"),
}
routes, err = table.Query(query...)
if err != nil {
t.Errorf("error looking up routes: %s", err)
t.Fatalf("error looking up routes: %s", err)
}
if len(routes) > 0 {
t.Errorf("incorrect number of routes returned. Expected: %d, found: %d", 0, len(routes))
t.Fatalf("incorrect number of routes returned. Expected: %d, found: %d", 0, len(routes))
}
// insert local routes to query
for i := 0; i < 2; i++ {
route.Link = "local"
route.Link = "foobar"
route.Address = fmt.Sprintf("local.route.address-%d", i)
if err := table.Create(route); err != nil {
t.Errorf("error adding route: %s", err)
t.Fatalf("error adding route: %s", err)
}
}
@@ -254,16 +256,16 @@ func TestQuery(t *testing.T) {
query = []router.QueryOption{
router.QueryGateway("*"),
router.QueryNetwork("*"),
router.QueryStrategy(router.AdvertiseLocal),
router.QueryLink("foobar"),
}
routes, err = table.Query(query...)
if err != nil {
t.Errorf("error looking up routes: %s", err)
t.Fatalf("error looking up routes: %s", err)
}
if len(routes) != 2 {
t.Errorf("incorrect number of routes returned. Expected: %d, found: %d", 2, len(routes))
t.Fatalf("incorrect number of routes returned. Expected: %d, found: %d", 2, len(routes))
}
// add two different routes for svcX with different metric
@@ -271,32 +273,30 @@ func TestQuery(t *testing.T) {
route.Service = "svcX"
route.Address = fmt.Sprintf("svcX.route.address-%d", i)
route.Metric = int64(100 + i)
route.Link = router.DefaultLink
if err := table.Create(route); err != nil {
t.Errorf("error adding route: %s", err)
t.Fatalf("error adding route: %s", err)
}
}
// query best routes for svcX
query = []router.QueryOption{
router.QueryService("svcX"),
router.QueryStrategy(router.AdvertiseBest),
}
routes, err = table.Query(query...)
if err != nil {
t.Errorf("error looking up routes: %s", err)
t.Fatalf("error looking up routes: %s", err)
}
if len(routes) != 1 {
t.Errorf("incorrect number of routes returned. Expected: %d, found: %d", 1, len(routes))
if len(routes) != 2 {
t.Fatalf("incorrect number of routes returned. Expected: %d, found: %d", 1, len(routes))
}
}
func TestFallback(t *testing.T) {
r := &rtr{
subscribers: make(map[string]chan *router.Advert),
options: router.DefaultOptions(),
options: router.DefaultOptions(),
}
route := router.Route{
Service: "go.micro.service.foo",
@@ -311,31 +311,30 @@ func TestFallback(t *testing.T) {
rts, err := r.Lookup(router.QueryService("go.micro.service.foo"))
if err != nil {
t.Errorf("error looking up service %s", err)
t.Fatalf("error looking up service %s", err)
}
if len(rts) != 1 {
t.Errorf("incorrect number of routes returned %d", len(rts))
t.Fatalf("incorrect number of routes returned %d", len(rts))
}
// deleting from the table but the next query should invoke the fallback that we passed during new table creation
if err := r.table.Delete(route); err != nil {
t.Errorf("error deleting route %s", err)
t.Fatalf("error deleting route %s", err)
}
rts, err = r.Lookup(router.QueryService("go.micro.service.foo"))
if err != nil {
t.Errorf("error looking up service %s", err)
t.Fatalf("error looking up service %s", err)
}
if len(rts) != 1 {
t.Errorf("incorrect number of routes returned %d", len(rts))
t.Fatalf("incorrect number of routes returned %d", len(rts))
}
}
func TestFallbackError(t *testing.T) {
r := &rtr{
subscribers: make(map[string]chan *router.Advert),
options: router.DefaultOptions(),
options: router.DefaultOptions(),
}
r.table = newTable(func(s string) ([]router.Route, error) {
return nil, fmt.Errorf("ERROR")
@@ -343,7 +342,7 @@ func TestFallbackError(t *testing.T) {
r.start()
_, err := r.Lookup(router.QueryService("go.micro.service.foo"))
if err == nil {
t.Errorf("expected error looking up service but none returned")
t.Fatalf("expected error looking up service but none returned")
}
}