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- /*
- *
- * Copyright 2017 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 mock_helloworld_test
-
- import (
- "context"
- "fmt"
- "testing"
- "time"
-
- "github.com/golang/mock/gomock"
- "github.com/golang/protobuf/proto"
- helloworld "google.golang.org/grpc/examples/helloworld/helloworld"
- hwmock "google.golang.org/grpc/examples/helloworld/mock_helloworld"
- )
-
- // rpcMsg implements the gomock.Matcher interface
- type rpcMsg struct {
- msg proto.Message
- }
-
- func (r *rpcMsg) Matches(msg interface{}) bool {
- m, ok := msg.(proto.Message)
- if !ok {
- return false
- }
- return proto.Equal(m, r.msg)
- }
-
- func (r *rpcMsg) String() string {
- return fmt.Sprintf("is %s", r.msg)
- }
-
- func TestSayHello(t *testing.T) {
- ctrl := gomock.NewController(t)
- defer ctrl.Finish()
- mockGreeterClient := hwmock.NewMockGreeterClient(ctrl)
- req := &helloworld.HelloRequest{Name: "unit_test"}
- mockGreeterClient.EXPECT().SayHello(
- gomock.Any(),
- &rpcMsg{msg: req},
- ).Return(&helloworld.HelloReply{Message: "Mocked Interface"}, nil)
- testSayHello(t, mockGreeterClient)
- }
-
- func testSayHello(t *testing.T, client helloworld.GreeterClient) {
- ctx, cancel := context.WithTimeout(context.Background(), time.Second)
- defer cancel()
- r, err := client.SayHello(ctx, &helloworld.HelloRequest{Name: "unit_test"})
- if err != nil || r.Message != "Mocked Interface" {
- t.Errorf("mocking failed")
- }
- t.Log("Reply : ", r.Message)
- }
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