milvus/pkg/util/cache/stats_test.go
jaime c9d0c157ec
Move some modules from internal to public package (#22572)
Signed-off-by: jaime <yun.zhang@zilliz.com>
2023-04-06 19:14:32 +08:00

70 lines
2.0 KiB
Go

// Licensed to the LF AI & Data foundation under one
// or more contributor license agreements. See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership. The ASF licenses this file
// to you 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 cache
import (
"testing"
"time"
)
func TestStatsCounter(t *testing.T) {
c := statsCounter{}
c.RecordHits(3)
c.RecordMisses(2)
c.RecordLoadSuccess(2 * time.Second)
c.RecordLoadError(1 * time.Second)
c.RecordEviction()
var st Stats
c.Snapshot(&st)
if st.HitCount != 3 {
t.Fatalf("unexpected hit count: %v", st)
}
if st.MissCount != 2 {
t.Fatalf("unexpected miss count: %v", st)
}
if st.LoadSuccessCount != 1 {
t.Fatalf("unexpected success count: %v", st)
}
if st.LoadErrorCount != 1 {
t.Fatalf("unexpected error count: %v", st)
}
if st.TotalLoadTime != 3*time.Second {
t.Fatalf("unexpected load time: %v", st)
}
if st.EvictionCount != 1 {
t.Fatalf("unexpected eviction count: %v", st)
}
if st.RequestCount() != 5 {
t.Fatalf("unexpected request count: %v", st.RequestCount())
}
if st.HitRate() != 0.6 {
t.Fatalf("unexpected hit rate: %v", st.HitRate())
}
if st.MissRate() != 0.4 {
t.Fatalf("unexpected miss rate: %v", st.MissRate())
}
if st.LoadErrorRate() != 0.5 {
t.Fatalf("unexpected error rate: %v", st.LoadErrorRate())
}
if st.AverageLoadPenalty() != (1500 * time.Millisecond) {
t.Fatalf("unexpected load penalty: %v", st.AverageLoadPenalty())
}
}