github.com/pingcap/tiflow@v0.0.0-20240520035814-5bf52d54e205/cdc/sink/dmlsink/mq/dispatcher/partition/key_test.go (about)

     1  // Copyright 2023 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  package partition
    14  
    15  import (
    16  	"testing"
    17  
    18  	"github.com/pingcap/tiflow/cdc/model"
    19  	"github.com/stretchr/testify/require"
    20  )
    21  
    22  func TestKeyDispatcher_DispatchRowChangedEvent(t *testing.T) {
    23  	tests := []struct {
    24  		name          string
    25  		partitionKey  string
    26  		rowChangedEvt *model.RowChangedEvent
    27  		wantPartition int32
    28  		wantKey       string
    29  	}{
    30  		{
    31  			name:          "dispatch to partition 0 with partition key 'foo'",
    32  			partitionKey:  "foo",
    33  			rowChangedEvt: &model.RowChangedEvent{},
    34  			wantPartition: 0,
    35  			wantKey:       "foo",
    36  		},
    37  		// Add more test cases here
    38  	}
    39  
    40  	for _, tt := range tests {
    41  		t.Run(tt.name, func(t *testing.T) {
    42  			d := NewKeyDispatcher(tt.partitionKey)
    43  			gotPartition, gotKey, err := d.DispatchRowChangedEvent(tt.rowChangedEvt, 0)
    44  			require.NoError(t, err)
    45  			if gotPartition != tt.wantPartition {
    46  				t.Errorf("DispatchRowChangedEvent() gotPartition = %v, want %v", gotPartition, tt.wantPartition)
    47  			}
    48  			if gotKey != tt.wantKey {
    49  				t.Errorf("DispatchRowChangedEvent() gotKey = %v, want %v", gotKey, tt.wantKey)
    50  			}
    51  		})
    52  	}
    53  }