micro/client/grpc/grpc_pool_test.go
Vasiliy Tolstov a1eaf9cc20 linting fixes
Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org>
2019-12-04 00:22:02 +03:00

65 lines
1.2 KiB
Go

package grpc
import (
"context"
"net"
"testing"
"time"
"google.golang.org/grpc"
pgrpc "google.golang.org/grpc"
pb "google.golang.org/grpc/examples/helloworld/helloworld"
)
func testPool(t *testing.T, size int, ttl time.Duration) {
// setup server
l, err := net.Listen("tcp", ":0")
if err != nil {
t.Fatalf("failed to listen: %v", err)
}
defer l.Close()
s := pgrpc.NewServer()
pb.RegisterGreeterServer(s, &greeterServer{})
go s.Serve(l)
defer s.Stop()
// zero pool
p := newPool(size, ttl)
for i := 0; i < 10; i++ {
// get a conn
cc, err := p.getConn(l.Addr().String(), grpc.WithInsecure())
if err != nil {
t.Fatal(err)
}
rsp := pb.HelloReply{}
err = cc.Invoke(context.TODO(), "/helloworld.Greeter/SayHello", &pb.HelloRequest{Name: "John"}, &rsp)
if err != nil {
t.Fatal(err)
}
if rsp.Message != "Hello John" {
t.Fatalf("Got unexpected response %v", rsp.Message)
}
// release the conn
p.release(l.Addr().String(), cc, nil)
p.Lock()
if i := len(p.conns[l.Addr().String()]); i > size {
p.Unlock()
t.Fatalf("pool size %d is greater than expected %d", i, size)
}
p.Unlock()
}
}
func TestGRPCPool(t *testing.T) {
testPool(t, 0, time.Minute)
testPool(t, 2, time.Minute)
}