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/*
*
* Copyright 2016 gRPC authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package grpc
import (
"net"
"reflect"
"strings"
"testing"
)
type emptyServiceServer interface{}
type testServer struct{}
func TestStopBeforeServe(t *testing.T) {
lis, err := net.Listen("tcp", "localhost:0")
if err != nil {
t.Fatalf("failed to create listener: %v", err)
}
server := NewServer()
server.Stop()
err = server.Serve(lis)
if err != ErrServerStopped {
t.Fatalf("server.Serve() error = %v, want %v", err, ErrServerStopped)
}
// server.Serve is responsible for closing the listener, even if the
// server was already stopped.
err = lis.Close()
if got, want := ErrorDesc(err), "use of closed"; !strings.Contains(got, want) {
t.Errorf("Close() error = %q, want %q", got, want)
}
}
func TestGetServiceInfo(t *testing.T) {
testSd := ServiceDesc{
ServiceName: "grpc.testing.EmptyService",
HandlerType: (*emptyServiceServer)(nil),
Methods: []MethodDesc{
{
MethodName: "EmptyCall",
Handler: nil,
},
},
Streams: []StreamDesc{
{
StreamName: "EmptyStream",
Handler: nil,
ServerStreams: false,
ClientStreams: true,
},
},
Metadata: []int{0, 2, 1, 3},
}
server := NewServer()
server.RegisterService(&testSd, &testServer{})
info := server.GetServiceInfo()
want := map[string]ServiceInfo{
"grpc.testing.EmptyService": {
Methods: []MethodInfo{
{
Name: "EmptyCall",
IsClientStream: false,
IsServerStream: false,
},
{
Name: "EmptyStream",
IsClientStream: true,
IsServerStream: false,
}},
Metadata: []int{0, 2, 1, 3},
},
}
if !reflect.DeepEqual(info, want) {
t.Errorf("GetServiceInfo() = %+v, want %+v", info, want)
}
}
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