github.com/matrixorigin/matrixone@v1.2.0/pkg/vm/engine/disttae/reader_test.go (about)

     1  // Copyright 2023 Matrix Origin
     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  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package disttae
    16  
    17  import (
    18  	"context"
    19  	"math/rand"
    20  	"testing"
    21  
    22  	"github.com/matrixorigin/matrixone/pkg/objectio"
    23  	"github.com/matrixorigin/matrixone/pkg/perfcounter"
    24  	"github.com/stretchr/testify/require"
    25  )
    26  
    27  func TestGatherStats(t *testing.T) {
    28  	r := new(blockReader)
    29  	ctx, cancel := context.WithCancel(context.Background())
    30  	defer cancel()
    31  
    32  	r.ctx = ctx
    33  	r.ctx, _, _ = r.prepareGatherStats()
    34  
    35  	hitNum, readNum := rand.Int63(), rand.Int63()
    36  	perfcounter.Update(r.ctx, func(c *perfcounter.CounterSet) {
    37  		c.FileService.Cache.Read.Add(readNum)
    38  		c.FileService.Cache.Hit.Add(hitNum)
    39  		c.FileService.Cache.Memory.Read.Add(readNum)
    40  		c.FileService.Cache.Memory.Hit.Add(hitNum)
    41  	}, nil)
    42  
    43  	r.gatherStats(0, 0)
    44  
    45  	hit, total := objectio.BlkReadStats.BlkCacheHitStats.Export()
    46  	if hitNum < readNum {
    47  		require.Equal(t, hit, int64(0))
    48  		require.Equal(t, total, int64(1))
    49  	} else {
    50  		require.Equal(t, hit, int64(1))
    51  		require.Equal(t, total, int64(1))
    52  	}
    53  
    54  	hit, total = objectio.BlkReadStats.EntryCacheHitStats.Export()
    55  	require.Equal(t, hit, hitNum)
    56  	require.Equal(t, total, readNum)
    57  }