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