github.com/pingcap/tiflow@v0.0.0-20240520035814-5bf52d54e205/cdc/sink/dmlsink/mq/dispatcher/partition/table_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 partition
    15  
    16  import (
    17  	"testing"
    18  
    19  	"github.com/pingcap/tiflow/cdc/model"
    20  	"github.com/stretchr/testify/require"
    21  )
    22  
    23  func TestTableDispatcher(t *testing.T) {
    24  	t.Parallel()
    25  
    26  	testCases := []struct {
    27  		row             *model.RowChangedEvent
    28  		expectPartition int32
    29  	}{
    30  		{row: &model.RowChangedEvent{
    31  			TableInfo: &model.TableInfo{
    32  				TableName: model.TableName{
    33  					Schema: "test",
    34  					Table:  "t1",
    35  				},
    36  			},
    37  			CommitTs: 1,
    38  		}, expectPartition: 15},
    39  		{row: &model.RowChangedEvent{
    40  			TableInfo: &model.TableInfo{
    41  				TableName: model.TableName{
    42  					Schema: "test",
    43  					Table:  "t1",
    44  				},
    45  			},
    46  			CommitTs: 2,
    47  		}, expectPartition: 15},
    48  		{row: &model.RowChangedEvent{
    49  			TableInfo: &model.TableInfo{
    50  				TableName: model.TableName{
    51  					Schema: "test",
    52  					Table:  "t1",
    53  				},
    54  			},
    55  			CommitTs: 3,
    56  		}, expectPartition: 15},
    57  		{row: &model.RowChangedEvent{
    58  			TableInfo: &model.TableInfo{
    59  				TableName: model.TableName{
    60  					Schema: "test",
    61  					Table:  "t2",
    62  				},
    63  			},
    64  			CommitTs: 1,
    65  		}, expectPartition: 5},
    66  		{row: &model.RowChangedEvent{
    67  			TableInfo: &model.TableInfo{
    68  				TableName: model.TableName{
    69  					Schema: "test",
    70  					Table:  "t2",
    71  				},
    72  			},
    73  			CommitTs: 2,
    74  		}, expectPartition: 5},
    75  		{row: &model.RowChangedEvent{
    76  			TableInfo: &model.TableInfo{
    77  				TableName: model.TableName{
    78  					Schema: "test",
    79  					Table:  "t2",
    80  				},
    81  			},
    82  			CommitTs: 3,
    83  		}, expectPartition: 5},
    84  		{row: &model.RowChangedEvent{
    85  			TableInfo: &model.TableInfo{
    86  				TableName: model.TableName{
    87  					Schema: "test",
    88  					Table:  "t3",
    89  				},
    90  			},
    91  			CommitTs: 3,
    92  		}, expectPartition: 3},
    93  	}
    94  	p := NewTableDispatcher()
    95  	for _, tc := range testCases {
    96  		index, _, err := p.DispatchRowChangedEvent(tc.row, 16)
    97  		require.NoError(t, err)
    98  		require.Equal(t, tc.expectPartition, index)
    99  	}
   100  }