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vendor/google.golang.org/grpc/server_test.go

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+/*
+ *
+ * Copyright 2016, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+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)
+	}
+}