github.com/pingcap/ticdc@v0.0.0-20220526033649-485a10ef2652/cdc/sink/dispatcher/table_test.go (about)

     1  // Copyright 2020 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 dispatcher
    15  
    16  import (
    17  	"github.com/pingcap/check"
    18  	"github.com/pingcap/ticdc/cdc/model"
    19  	"github.com/pingcap/ticdc/pkg/util/testleak"
    20  )
    21  
    22  type TableDispatcherSuite struct{}
    23  
    24  var _ = check.Suite(&TableDispatcherSuite{})
    25  
    26  func (s TableDispatcherSuite) TestTableDispatcher(c *check.C) {
    27  	defer testleak.AfterTest(c)()
    28  	testCases := []struct {
    29  		row             *model.RowChangedEvent
    30  		exceptPartition int32
    31  	}{
    32  		{row: &model.RowChangedEvent{
    33  			Table: &model.TableName{
    34  				Schema: "test",
    35  				Table:  "t1",
    36  			},
    37  			CommitTs: 1,
    38  		}, exceptPartition: 15},
    39  		{row: &model.RowChangedEvent{
    40  			Table: &model.TableName{
    41  				Schema: "test",
    42  				Table:  "t1",
    43  			},
    44  			CommitTs: 2,
    45  		}, exceptPartition: 15},
    46  		{row: &model.RowChangedEvent{
    47  			Table: &model.TableName{
    48  				Schema: "test",
    49  				Table:  "t1",
    50  			},
    51  			CommitTs: 3,
    52  		}, exceptPartition: 15},
    53  		{row: &model.RowChangedEvent{
    54  			Table: &model.TableName{
    55  				Schema: "test",
    56  				Table:  "t2",
    57  			},
    58  			CommitTs: 1,
    59  		}, exceptPartition: 5},
    60  		{row: &model.RowChangedEvent{
    61  			Table: &model.TableName{
    62  				Schema: "test",
    63  				Table:  "t2",
    64  			},
    65  			CommitTs: 2,
    66  		}, exceptPartition: 5},
    67  		{row: &model.RowChangedEvent{
    68  			Table: &model.TableName{
    69  				Schema: "test",
    70  				Table:  "t2",
    71  			},
    72  			CommitTs: 3,
    73  		}, exceptPartition: 5},
    74  		{row: &model.RowChangedEvent{
    75  			Table: &model.TableName{
    76  				Schema: "test",
    77  				Table:  "t3",
    78  			},
    79  			CommitTs: 3,
    80  		}, exceptPartition: 3},
    81  	}
    82  	p := newTableDispatcher(16)
    83  	for _, tc := range testCases {
    84  		c.Assert(p.Dispatch(tc.row), check.Equals, tc.exceptPartition)
    85  	}
    86  }