54 lines
1.6 KiB
Go
54 lines
1.6 KiB
Go
// Copyright 2025 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 ddl
|
|
|
|
import (
|
|
"testing"
|
|
|
|
"github.com/stretchr/testify/require"
|
|
)
|
|
|
|
func TestExpectedIngestWorkerCnt(t *testing.T) {
|
|
tests := []struct {
|
|
concurrency int
|
|
avgRowSize int
|
|
useGlobalSort bool
|
|
expReader int
|
|
expWriter int
|
|
}{
|
|
// Global sort path
|
|
{10, 100, true, 10, 10},
|
|
{20, 500, true, 20, 20},
|
|
|
|
// Non-global sort path, avgRowSize = 0
|
|
{10, 0, false, 5, 7},
|
|
{40, 0, false, 16, 16},
|
|
{1, 0, false, 1, 2},
|
|
|
|
// Non-global sort path, various avgRowSize
|
|
{10, 100, false, 5, 10},
|
|
{10, 300, false, 10, 10},
|
|
{10, 600, false, 20, 10},
|
|
{10, 2000, false, 40, 10},
|
|
{10, 5000, false, 80, 10},
|
|
}
|
|
|
|
for _, tt := range tests {
|
|
reader, writer := expectedIngestWorkerCnt(tt.concurrency, tt.avgRowSize, tt.useGlobalSort)
|
|
require.Equal(t, tt.expReader, reader, "concurrency: %d, avgRowSize: %d, useGlobalSort: %v", tt.concurrency, tt.avgRowSize, tt.useGlobalSort)
|
|
require.Equal(t, tt.expWriter, writer, "concurrency: %d, avgRowSize: %d, useGlobalSort: %v", tt.concurrency, tt.avgRowSize, tt.useGlobalSort)
|
|
}
|
|
}
|