micro/router/default_test.go
Milos Gajdos 23d65145e6
Use the same logic for advertising routes in Router and Network
router.Query() allows to query the routes with given router.Strategy.
It uses the same logic as was implemented in flushRoutes but the code
was never updated. This way we are consistent across both router and
network packages.
2020-01-17 16:25:18 +00:00

132 lines
2.5 KiB
Go

package router
import (
"fmt"
"sync"
"testing"
"time"
"github.com/micro/go-micro/registry/memory"
"github.com/micro/go-micro/util/log"
)
func routerTestSetup() Router {
r := memory.NewRegistry()
return newRouter(Registry(r))
}
func TestRouterStartStop(t *testing.T) {
r := routerTestSetup()
if err := r.Start(); err != nil {
t.Errorf("failed to start router: %v", err)
}
_, err := r.Advertise()
if err != nil {
t.Errorf("failed to start advertising: %v", err)
}
if err := r.Stop(); err != nil {
t.Errorf("failed to stop router: %v", err)
}
log.Debugf("TestRouterStartStop STOPPED")
}
func TestRouterAdvertise(t *testing.T) {
r := routerTestSetup()
// lower the advertise interval
AdvertiseEventsTick = 500 * time.Millisecond
AdvertiseTableTick = 1 * time.Second
if err := r.Start(); err != nil {
t.Errorf("failed to start router: %v", err)
}
ch, err := r.Advertise()
if err != nil {
t.Errorf("failed to start advertising: %v", err)
}
// receive announce event
ann := <-ch
log.Debugf("received announce advert: %v", ann)
// Generate random unique routes
nrRoutes := 5
routes := make([]Route, nrRoutes)
route := Route{
Service: "dest.svc",
Address: "dest.addr",
Gateway: "dest.gw",
Network: "dest.network",
Router: "src.router",
Link: "local",
Metric: 10,
}
for i := 0; i < nrRoutes; i++ {
testRoute := route
testRoute.Service = fmt.Sprintf("%s-%d", route.Service, i)
routes[i] = testRoute
}
var advertErr error
createDone := make(chan bool)
errChan := make(chan error)
var wg sync.WaitGroup
wg.Add(1)
go func() {
wg.Done()
defer close(createDone)
for _, route := range routes {
log.Debugf("Creating route %v", route)
if err := r.Table().Create(route); err != nil {
log.Debugf("Failed to create route: %v", err)
errChan <- err
return
}
}
}()
var adverts int
readDone := make(chan bool)
wg.Add(1)
go func() {
defer func() {
wg.Done()
readDone <- true
}()
for advert := range ch {
select {
case advertErr = <-errChan:
t.Errorf("failed advertising events: %v", advertErr)
default:
// do nothing for now
log.Debugf("Router advert received: %v", advert)
adverts += len(advert.Events)
}
return
}
}()
// done adding routes to routing table
<-createDone
// done reading adverts from the routing table
<-readDone
if adverts != nrRoutes {
t.Errorf("Expected %d adverts, received: %d", nrRoutes, adverts)
}
wg.Wait()
if err := r.Stop(); err != nil {
t.Errorf("failed to stop router: %v", err)
}
}