github.com/pingcap/tiflow@v0.0.0-20240520035814-5bf52d54e205/cdc/sink/dmlsink/blackhole/black_hole_dml_sink_test.go (about)

     1  // Copyright 2022 PingCAP, Inc.
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // See the License for the specific language governing permissions and
    12  // limitations under the License.
    13  
    14  package blackhole
    15  
    16  import (
    17  	"testing"
    18  
    19  	"github.com/pingcap/tiflow/cdc/model"
    20  	"github.com/pingcap/tiflow/cdc/sink/dmlsink"
    21  	"github.com/pingcap/tiflow/cdc/sink/tablesink/state"
    22  	"github.com/stretchr/testify/require"
    23  )
    24  
    25  func TestWriteEventsCallback(t *testing.T) {
    26  	t.Parallel()
    27  
    28  	s := NewDMLSink()
    29  	tableStatus := state.TableSinkSinking
    30  	cols := []*model.Column{{Name: "col1", Type: 1, Value: "aa"}}
    31  	tableInfo := model.BuildTableInfo("a", "b", cols, nil)
    32  	row := &model.RowChangedEvent{
    33  		CommitTs:  1,
    34  		TableInfo: tableInfo,
    35  		Columns:   model.Columns2ColumnDatas(cols, tableInfo),
    36  	}
    37  
    38  	count := 0
    39  	events := make([]*dmlsink.RowChangeCallbackableEvent, 0, 3000)
    40  	for i := 0; i < 3000; i++ {
    41  		events = append(events, &dmlsink.RowChangeCallbackableEvent{
    42  			Event: row,
    43  			Callback: func() {
    44  				count++
    45  			},
    46  			SinkState: &tableStatus,
    47  		})
    48  	}
    49  	err := s.WriteEvents(events...)
    50  	require.Nil(t, err, "no error should be returned")
    51  	require.Equal(t, 3000, count, "all callbacks should be called")
    52  }