Vasiliy Tolstov
e56b65ecce
* pass micro errors from grpc server to grpc client Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org> * wrap micro errors.Error to grpc status Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org>
90 lines
2.1 KiB
Go
90 lines
2.1 KiB
Go
package grpc
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import (
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"context"
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"testing"
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"github.com/micro/go-micro/v2/errors"
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"github.com/micro/go-micro/v2/registry/memory"
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"github.com/micro/go-micro/v2/server"
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"google.golang.org/grpc"
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"google.golang.org/grpc/status"
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pb "github.com/micro/go-micro/v2/server/grpc/proto"
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)
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// server is used to implement helloworld.GreeterServer.
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type testServer struct{}
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// TestHello implements helloworld.GreeterServer
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func (s *testServer) Call(ctx context.Context, req *pb.Request, rsp *pb.Response) error {
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if req.Name == "Error" {
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return &errors.Error{Id: "1", Code: 99, Detail: "detail"}
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}
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rsp.Msg = "Hello " + req.Name
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return nil
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}
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func TestGRPCServer(t *testing.T) {
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r := memory.NewRegistry()
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s := NewServer(
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server.Name("foo"),
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server.Registry(r),
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)
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pb.RegisterTestHandler(s, &testServer{})
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if err := s.Start(); err != nil {
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t.Fatalf("failed to start: %v", err)
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}
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// check registration
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services, err := r.GetService("foo")
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if err != nil || len(services) == 0 {
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t.Fatalf("failed to get service: %v # %d", err, len(services))
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}
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defer func() {
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if err := s.Stop(); err != nil {
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t.Fatalf("failed to stop: %v", err)
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}
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}()
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cc, err := grpc.Dial(s.Options().Address, grpc.WithInsecure())
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if err != nil {
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t.Fatalf("failed to dial server: %v", err)
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}
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testMethods := []string{"/test.Test/Call", "/go.micro.test.Test/Call"}
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for _, method := range testMethods {
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rsp := pb.Response{}
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if err := cc.Invoke(context.Background(), method, &pb.Request{Name: "John"}, &rsp); err != nil {
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t.Fatalf("error calling server: %v", err)
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}
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if rsp.Msg != "Hello John" {
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t.Fatalf("Got unexpected response %v", rsp.Msg)
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}
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}
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// Test grpc error
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rsp := pb.Response{}
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if err := cc.Invoke(context.Background(), "/test.Test/Call", &pb.Request{Name: "Error"}, &rsp); err != nil {
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st, ok := status.FromError(err)
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if !ok {
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t.Fatalf("invalid error received %#+v\n", err)
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}
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verr, ok := st.Details()[0].(*errors.Error)
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if !ok {
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t.Fatalf("invalid error received %#+v\n", st.Details()[0])
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}
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if verr.Code != 99 && verr.Id != "1" && verr.Detail != "detail" {
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t.Fatalf("invalid error received %#+v\n", verr)
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}
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}
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}
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