304 lines
		
	
	
		
			7.4 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			304 lines
		
	
	
		
			7.4 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
package grpc_test
 | 
						|
 | 
						|
import (
 | 
						|
	"context"
 | 
						|
	"fmt"
 | 
						|
	"testing"
 | 
						|
 | 
						|
	bmemory "github.com/micro/go-micro/v3/broker/memory"
 | 
						|
	"github.com/micro/go-micro/v3/client"
 | 
						|
	gcli "github.com/micro/go-micro/v3/client/grpc"
 | 
						|
	"github.com/micro/go-micro/v3/errors"
 | 
						|
	pberr "github.com/micro/go-micro/v3/errors/proto"
 | 
						|
	tgrpc "github.com/micro/go-micro/v3/network/transport/grpc"
 | 
						|
	rmemory "github.com/micro/go-micro/v3/registry/memory"
 | 
						|
	"github.com/micro/go-micro/v3/router"
 | 
						|
	rtreg "github.com/micro/go-micro/v3/router/registry"
 | 
						|
	"github.com/micro/go-micro/v3/server"
 | 
						|
	gsrv "github.com/micro/go-micro/v3/server/grpc"
 | 
						|
	pb "github.com/micro/go-micro/v3/server/grpc/proto"
 | 
						|
	"google.golang.org/grpc"
 | 
						|
	"google.golang.org/grpc/status"
 | 
						|
)
 | 
						|
 | 
						|
// server is used to implement helloworld.GreeterServer.
 | 
						|
type testServer struct {
 | 
						|
	msgCount int
 | 
						|
}
 | 
						|
 | 
						|
func (s *testServer) Handle(ctx context.Context, msg *pb.Request) error {
 | 
						|
	s.msgCount++
 | 
						|
	return nil
 | 
						|
}
 | 
						|
func (s *testServer) HandleError(ctx context.Context, msg *pb.Request) error {
 | 
						|
	return fmt.Errorf("fake")
 | 
						|
}
 | 
						|
 | 
						|
// TestHello implements helloworld.GreeterServer
 | 
						|
func (s *testServer) CallPcre(ctx context.Context, req *pb.Request, rsp *pb.Response) error {
 | 
						|
	if req.Name == "Error" {
 | 
						|
		return &errors.Error{Id: "1", Code: 99, Detail: "detail"}
 | 
						|
	}
 | 
						|
 | 
						|
	rsp.Msg = "Hello " + req.Name
 | 
						|
	return nil
 | 
						|
}
 | 
						|
 | 
						|
// TestHello implements helloworld.GreeterServer
 | 
						|
func (s *testServer) CallPcreInvalid(ctx context.Context, req *pb.Request, rsp *pb.Response) error {
 | 
						|
	if req.Name == "Error" {
 | 
						|
		return &errors.Error{Id: "1", Code: 99, Detail: "detail"}
 | 
						|
	}
 | 
						|
 | 
						|
	rsp.Msg = "Hello " + req.Name
 | 
						|
	return nil
 | 
						|
}
 | 
						|
 | 
						|
// TestHello implements helloworld.GreeterServer
 | 
						|
func (s *testServer) Call(ctx context.Context, req *pb.Request, rsp *pb.Response) error {
 | 
						|
	if req.Name == "Error" {
 | 
						|
		return &errors.Error{Id: "1", Code: 99, Detail: "detail"}
 | 
						|
	}
 | 
						|
 | 
						|
	if req.Name == "Panic" {
 | 
						|
		// make it panic
 | 
						|
		panic("handler panic")
 | 
						|
	}
 | 
						|
 | 
						|
	rsp.Msg = "Hello " + req.Name
 | 
						|
	return nil
 | 
						|
}
 | 
						|
 | 
						|
/*
 | 
						|
func BenchmarkServer(b *testing.B) {
 | 
						|
	r := rmemory.NewRegistry()
 | 
						|
	br := bmemory.NewBroker()
 | 
						|
	tr := tgrpc.NewTransport()
 | 
						|
	s := gsrv.NewServer(
 | 
						|
		server.Broker(br),
 | 
						|
		server.Name("foo"),
 | 
						|
		server.Registry(r),
 | 
						|
		server.Transport(tr),
 | 
						|
	)
 | 
						|
	c := gcli.NewClient(
 | 
						|
		client.Registry(r),
 | 
						|
		client.Broker(br),
 | 
						|
		client.Transport(tr),
 | 
						|
	)
 | 
						|
	ctx := context.TODO()
 | 
						|
 | 
						|
	h := &testServer{}
 | 
						|
	pb.RegisterTestHandler(s, h)
 | 
						|
	if err := s.Start(); err != nil {
 | 
						|
		b.Fatalf("failed to start: %v", err)
 | 
						|
	}
 | 
						|
 | 
						|
	// check registration
 | 
						|
	services, err := r.GetService("foo")
 | 
						|
	if err != nil || len(services) == 0 {
 | 
						|
		b.Fatalf("failed to get service: %v # %d", err, len(services))
 | 
						|
	}
 | 
						|
 | 
						|
	defer func() {
 | 
						|
		if err := s.Stop(); err != nil {
 | 
						|
			b.Fatalf("failed to stop: %v", err)
 | 
						|
		}
 | 
						|
	}()
 | 
						|
 | 
						|
	b.ResetTimer()
 | 
						|
	for i := 0; i < b.N; i++ {
 | 
						|
		c.Call()
 | 
						|
	}
 | 
						|
 | 
						|
}
 | 
						|
*/
 | 
						|
func TestGRPCServer(t *testing.T) {
 | 
						|
	r := rmemory.NewRegistry()
 | 
						|
	b := bmemory.NewBroker()
 | 
						|
	tr := tgrpc.NewTransport()
 | 
						|
	rtr := rtreg.NewRouter(router.Registry(r))
 | 
						|
 | 
						|
	s := gsrv.NewServer(
 | 
						|
		server.Broker(b),
 | 
						|
		server.Name("foo"),
 | 
						|
		server.Registry(r),
 | 
						|
		server.Transport(tr),
 | 
						|
	)
 | 
						|
 | 
						|
	c := gcli.NewClient(
 | 
						|
		client.Router(rtr),
 | 
						|
		client.Broker(b),
 | 
						|
		client.Transport(tr),
 | 
						|
	)
 | 
						|
	ctx := context.TODO()
 | 
						|
 | 
						|
	h := &testServer{}
 | 
						|
	pb.RegisterTestHandler(s, h)
 | 
						|
 | 
						|
	if err := s.Subscribe(s.NewSubscriber("test_topic", h.Handle)); err != nil {
 | 
						|
		t.Fatal(err)
 | 
						|
	}
 | 
						|
 | 
						|
	if err := s.Start(); err != nil {
 | 
						|
		t.Fatalf("failed to start: %v", err)
 | 
						|
	}
 | 
						|
 | 
						|
	// check registration
 | 
						|
	services, err := r.GetService("foo")
 | 
						|
	if err != nil || len(services) == 0 {
 | 
						|
		t.Fatalf("failed to get service: %v # %d", err, len(services))
 | 
						|
	}
 | 
						|
 | 
						|
	defer func() {
 | 
						|
		if err := s.Stop(); err != nil {
 | 
						|
			t.Fatalf("failed to stop: %v", err)
 | 
						|
		}
 | 
						|
	}()
 | 
						|
 | 
						|
	cnt := 4
 | 
						|
	for i := 0; i < cnt; i++ {
 | 
						|
		msg := c.NewMessage("test_topic", &pb.Request{Name: fmt.Sprintf("msg %d", i)})
 | 
						|
		if err = c.Publish(ctx, msg); err != nil {
 | 
						|
			t.Fatal(err)
 | 
						|
		}
 | 
						|
	}
 | 
						|
 | 
						|
	if h.msgCount != cnt {
 | 
						|
		t.Fatalf("pub/sub not work, or invalid message count %d", h.msgCount)
 | 
						|
	}
 | 
						|
 | 
						|
	cc, err := grpc.Dial(s.Options().Address, grpc.WithInsecure())
 | 
						|
	if err != nil {
 | 
						|
		t.Fatalf("failed to dial server: %v", err)
 | 
						|
	}
 | 
						|
 | 
						|
	testMethods := []string{"/test.Test/Call", "/go.micro.test.Test/Call"}
 | 
						|
 | 
						|
	for _, method := range testMethods {
 | 
						|
		rsp := pb.Response{}
 | 
						|
 | 
						|
		if err := cc.Invoke(context.Background(), method, &pb.Request{Name: "John"}, &rsp); err != nil {
 | 
						|
			t.Fatalf("error calling server: %v", err)
 | 
						|
		}
 | 
						|
 | 
						|
		if rsp.Msg != "Hello John" {
 | 
						|
			t.Fatalf("Got unexpected response %v", rsp.Msg)
 | 
						|
		}
 | 
						|
	}
 | 
						|
 | 
						|
	// Test grpc error
 | 
						|
	rsp := pb.Response{}
 | 
						|
 | 
						|
	if err := cc.Invoke(context.Background(), "/test.Test/Call", &pb.Request{Name: "Error"}, &rsp); err != nil {
 | 
						|
		st, ok := status.FromError(err)
 | 
						|
		if !ok {
 | 
						|
			t.Fatalf("invalid error received %#+v\n", err)
 | 
						|
		}
 | 
						|
		verr, ok := st.Details()[0].(*pberr.Error)
 | 
						|
		if !ok {
 | 
						|
			t.Fatalf("invalid error received %#+v\n", st.Details()[0])
 | 
						|
		}
 | 
						|
		if verr.Code != 99 && verr.Id != "1" && verr.Detail != "detail" {
 | 
						|
			t.Fatalf("invalid error received %#+v\n", verr)
 | 
						|
		}
 | 
						|
	}
 | 
						|
}
 | 
						|
 | 
						|
// TestGRPCServerWithPanicWrapper test grpc server with panic wrapper
 | 
						|
// gRPC server should not crash when wrapper crashed
 | 
						|
func TestGRPCServerWithPanicWrapper(t *testing.T) {
 | 
						|
	r := rmemory.NewRegistry()
 | 
						|
	b := bmemory.NewBroker()
 | 
						|
	tr := tgrpc.NewTransport()
 | 
						|
	s := gsrv.NewServer(
 | 
						|
		server.Broker(b),
 | 
						|
		server.Name("foo"),
 | 
						|
		server.Registry(r),
 | 
						|
		server.Transport(tr),
 | 
						|
		server.WrapHandler(func(hf server.HandlerFunc) server.HandlerFunc {
 | 
						|
			return func(ctx context.Context, req server.Request, rsp interface{}) error {
 | 
						|
				// make it panic
 | 
						|
				panic("wrapper panic")
 | 
						|
			}
 | 
						|
		}),
 | 
						|
	)
 | 
						|
 | 
						|
	h := &testServer{}
 | 
						|
	pb.RegisterTestHandler(s, h)
 | 
						|
 | 
						|
	if err := s.Start(); err != nil {
 | 
						|
		t.Fatalf("failed to start: %v", err)
 | 
						|
	}
 | 
						|
 | 
						|
	// check registration
 | 
						|
	services, err := r.GetService("foo")
 | 
						|
	if err != nil || len(services) == 0 {
 | 
						|
		t.Fatalf("failed to get service: %v # %d", err, len(services))
 | 
						|
	}
 | 
						|
 | 
						|
	defer func() {
 | 
						|
		if err := s.Stop(); err != nil {
 | 
						|
			t.Fatalf("failed to stop: %v", err)
 | 
						|
		}
 | 
						|
	}()
 | 
						|
 | 
						|
	cc, err := grpc.Dial(s.Options().Address, grpc.WithInsecure())
 | 
						|
	if err != nil {
 | 
						|
		t.Fatalf("failed to dial server: %v", err)
 | 
						|
	}
 | 
						|
 | 
						|
	rsp := pb.Response{}
 | 
						|
	if err := cc.Invoke(context.Background(), "/test.Test/Call", &pb.Request{Name: "John"}, &rsp); err == nil {
 | 
						|
		t.Fatal("this must return error, as wrapper should be panic")
 | 
						|
	}
 | 
						|
 | 
						|
	// both wrapper and handler should panic
 | 
						|
	rsp = pb.Response{}
 | 
						|
	if err := cc.Invoke(context.Background(), "/test.Test/Call", &pb.Request{Name: "Panic"}, &rsp); err == nil {
 | 
						|
		t.Fatal("this must return error, as wrapper and handler should be panic")
 | 
						|
	}
 | 
						|
}
 | 
						|
 | 
						|
// TestGRPCServerWithPanicWrapper test grpc server with panic handler
 | 
						|
// gRPC server should not crash when handler crashed
 | 
						|
func TestGRPCServerWithPanicHandler(t *testing.T) {
 | 
						|
	r := rmemory.NewRegistry()
 | 
						|
	b := bmemory.NewBroker()
 | 
						|
	tr := tgrpc.NewTransport()
 | 
						|
	s := gsrv.NewServer(
 | 
						|
		server.Broker(b),
 | 
						|
		server.Name("foo"),
 | 
						|
		server.Registry(r),
 | 
						|
		server.Transport(tr),
 | 
						|
	)
 | 
						|
 | 
						|
	h := &testServer{}
 | 
						|
	pb.RegisterTestHandler(s, h)
 | 
						|
 | 
						|
	if err := s.Start(); err != nil {
 | 
						|
		t.Fatalf("failed to start: %v", err)
 | 
						|
	}
 | 
						|
 | 
						|
	// check registration
 | 
						|
	services, err := r.GetService("foo")
 | 
						|
	if err != nil || len(services) == 0 {
 | 
						|
		t.Fatalf("failed to get service: %v # %d", err, len(services))
 | 
						|
	}
 | 
						|
 | 
						|
	defer func() {
 | 
						|
		if err := s.Stop(); err != nil {
 | 
						|
			t.Fatalf("failed to stop: %v", err)
 | 
						|
		}
 | 
						|
	}()
 | 
						|
 | 
						|
	cc, err := grpc.Dial(s.Options().Address, grpc.WithInsecure())
 | 
						|
	if err != nil {
 | 
						|
		t.Fatalf("failed to dial server: %v", err)
 | 
						|
	}
 | 
						|
 | 
						|
	rsp := pb.Response{}
 | 
						|
	if err := cc.Invoke(context.Background(), "/test.Test/Call", &pb.Request{Name: "Panic"}, &rsp); err == nil {
 | 
						|
		t.Fatal("this must return error, as handler should be panic")
 | 
						|
	}
 | 
						|
}
 |