Add ut for dmstream_input_node to 100% (#7593)

See also: #6357

Signed-off-by: yangxuan <xuan.yang@zilliz.com>

internal/datanode/flow_graph_dmstream_input_node_test.go

@@ -0,0 +1,76 @@
+// Copyright (C) 2019-2020 Zilliz. All rights reserved.
+//
+// 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 datanode
+
+import (
+	"context"
+	"testing"
+
+	"github.com/milvus-io/milvus/internal/msgstream"
+	"github.com/milvus-io/milvus/internal/proto/internalpb"
+)
+
+type mockMsgStreamFactory struct {
+}
+
+func (mm *mockMsgStreamFactory) SetParams(params map[string]interface{}) error {
+	return nil
+}
+
+func (mm *mockMsgStreamFactory) NewMsgStream(ctx context.Context) (msgstream.MsgStream, error) {
+	return nil, nil
+}
+
+func (mm *mockMsgStreamFactory) NewTtMsgStream(ctx context.Context) (msgstream.MsgStream, error) {
+	return &mockTtMsgStream{}, nil
+}
+
+func (mm *mockMsgStreamFactory) NewQueryMsgStream(ctx context.Context) (msgstream.MsgStream, error) {
+	return nil, nil
+}
+
+type mockTtMsgStream struct {
+}
+
+func (mtm *mockTtMsgStream) Start() {}
+func (mtm *mockTtMsgStream) Close() {}
+func (mtm *mockTtMsgStream) Chan() <-chan *msgstream.MsgPack {
+	return make(chan *msgstream.MsgPack, 100)
+}
+
+func (mtm *mockTtMsgStream) AsProducer(channels []string)                  {}
+func (mtm *mockTtMsgStream) AsConsumer(channels []string, subName string)  {}
+func (mtm *mockTtMsgStream) SetRepackFunc(repackFunc msgstream.RepackFunc) {}
+func (mtm *mockTtMsgStream) ComputeProduceChannelIndexes(tsMsgs []msgstream.TsMsg) [][]int32 {
+	return make([][]int32, 0)
+}
+
+func (mtm *mockTtMsgStream) GetProduceChannels() []string {
+	return make([]string, 0)
+}
+func (mtm *mockTtMsgStream) Produce(*msgstream.MsgPack) error {
+	return nil
+}
+func (mtm *mockTtMsgStream) Broadcast(*msgstream.MsgPack) error {
+	return nil
+}
+func (mtm *mockTtMsgStream) Consume() *msgstream.MsgPack {
+	return nil
+}
+func (mtm *mockTtMsgStream) Seek(offset []*internalpb.MsgPosition) error {
+	return nil
+}
+
+func TestNewDmInputNode(t *testing.T) {
+	ctx := context.Background()
+	newDmInputNode(ctx, &mockMsgStreamFactory{}, 0, "abc_adc", new(internalpb.MsgPosition))
+}