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tidb/pkg/lightning/duplicate/worker_test.go

66 lines
1.6 KiB
Go

// Copyright 2023 PingCAP, Inc.
//
// 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 duplicate
import (
"testing"
"github.com/stretchr/testify/require"
)
func TestGenSplitKey(t *testing.T) {
testCases := []struct {
startKey []byte
endKey []byte
splitKey []byte
}{
{
startKey: []byte{1, 2},
endKey: []byte{1, 2},
splitKey: []byte{1, 2},
},
{
startKey: []byte{1, 2},
endKey: []byte{1, 2, 3, 4, 5},
splitKey: []byte{1, 2, 1},
},
{
startKey: []byte{1, 2, 3, 4, 5, 6},
endKey: []byte{1, 2, 5, 6, 7, 8},
splitKey: []byte{1, 2, 4},
},
{
startKey: []byte{1, 2, 3, 4},
endKey: []byte{1, 2, 4, 5},
splitKey: []byte{1, 2, 3, 0xff},
},
{
startKey: []byte{1, 2, 3, 0xff, 4},
endKey: []byte{1, 2, 4, 5},
splitKey: []byte{1, 2, 3, 0xff, 0xff},
},
{
startKey: []byte{1, 2, 3, 0xff, 0xff},
endKey: []byte{1, 2, 4, 5},
splitKey: []byte{1, 2, 3, 0xff, 0xff, 0xff},
},
}
for _, tc := range testCases {
splitKey := genSplitKey(tc.startKey, tc.endKey)
require.Equal(t, tc.splitKey, splitKey)
}
}