137 lines
3.2 KiB
Go
137 lines
3.2 KiB
Go
/*
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*
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* Copyright 2016 gRPC authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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*/
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package grpc
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import (
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"context"
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"net"
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"reflect"
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"strings"
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"testing"
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"time"
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"google.golang.org/grpc/internal/leakcheck"
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"google.golang.org/grpc/internal/transport"
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)
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type emptyServiceServer interface{}
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type testServer struct{}
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func TestStopBeforeServe(t *testing.T) {
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defer leakcheck.Check(t)
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lis, err := net.Listen("tcp", "localhost:0")
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if err != nil {
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t.Fatalf("failed to create listener: %v", err)
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}
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server := NewServer()
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server.Stop()
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err = server.Serve(lis)
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if err != ErrServerStopped {
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t.Fatalf("server.Serve() error = %v, want %v", err, ErrServerStopped)
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}
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// server.Serve is responsible for closing the listener, even if the
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// server was already stopped.
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err = lis.Close()
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if got, want := errorDesc(err), "use of closed"; !strings.Contains(got, want) {
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t.Errorf("Close() error = %q, want %q", got, want)
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}
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}
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func TestGracefulStop(t *testing.T) {
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defer leakcheck.Check(t)
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lis, err := net.Listen("tcp", "localhost:0")
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if err != nil {
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t.Fatalf("failed to create listener: %v", err)
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}
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server := NewServer()
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go func() {
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// make sure Serve() is called
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time.Sleep(time.Millisecond * 500)
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server.GracefulStop()
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}()
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err = server.Serve(lis)
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if err != nil {
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t.Fatalf("Serve() returned non-nil error on GracefulStop: %v", err)
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}
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}
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func TestGetServiceInfo(t *testing.T) {
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defer leakcheck.Check(t)
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testSd := ServiceDesc{
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ServiceName: "grpc.testing.EmptyService",
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HandlerType: (*emptyServiceServer)(nil),
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Methods: []MethodDesc{
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{
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MethodName: "EmptyCall",
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Handler: nil,
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},
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},
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Streams: []StreamDesc{
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{
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StreamName: "EmptyStream",
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Handler: nil,
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ServerStreams: false,
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ClientStreams: true,
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},
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},
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Metadata: []int{0, 2, 1, 3},
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}
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server := NewServer()
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server.RegisterService(&testSd, &testServer{})
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info := server.GetServiceInfo()
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want := map[string]ServiceInfo{
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"grpc.testing.EmptyService": {
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Methods: []MethodInfo{
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{
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Name: "EmptyCall",
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IsClientStream: false,
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IsServerStream: false,
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},
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{
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Name: "EmptyStream",
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IsClientStream: true,
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IsServerStream: false,
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}},
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Metadata: []int{0, 2, 1, 3},
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},
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}
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if !reflect.DeepEqual(info, want) {
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t.Errorf("GetServiceInfo() = %+v, want %+v", info, want)
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}
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}
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func TestStreamContext(t *testing.T) {
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expectedStream := &transport.Stream{}
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ctx := NewContextWithServerTransportStream(context.Background(), expectedStream)
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s := ServerTransportStreamFromContext(ctx)
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stream, ok := s.(*transport.Stream)
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if !ok || expectedStream != stream {
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t.Fatalf("GetStreamFromContext(%v) = %v, %t, want: %v, true", ctx, stream, ok, expectedStream)
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}
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}
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