mirror of
https://github.com/prometheus/prometheus.git
synced 2024-11-17 19:14:04 -08:00
75 lines
1.7 KiB
Go
75 lines
1.7 KiB
Go
// Copyright 2019 The Prometheus Authors
|
|
// 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 index
|
|
|
|
import (
|
|
"testing"
|
|
|
|
"github.com/stretchr/testify/require"
|
|
)
|
|
|
|
func TestPostingsStats(t *testing.T) {
|
|
stats := &maxHeap{}
|
|
max := 3000000
|
|
heapLength := 10
|
|
stats.init(heapLength)
|
|
for i := 0; i < max; i++ {
|
|
item := Stat{
|
|
Name: "Label-da",
|
|
Count: uint64(i),
|
|
}
|
|
stats.push(item)
|
|
}
|
|
stats.push(Stat{Name: "Stuff", Count: 3000000})
|
|
|
|
data := stats.get()
|
|
require.Equal(t, 10, len(data))
|
|
for i := 0; i < heapLength; i++ {
|
|
require.Equal(t, uint64(max-i), data[i].Count)
|
|
}
|
|
}
|
|
|
|
func TestPostingsStats2(t *testing.T) {
|
|
stats := &maxHeap{}
|
|
heapLength := 10
|
|
|
|
stats.init(heapLength)
|
|
stats.push(Stat{Name: "Stuff", Count: 10})
|
|
stats.push(Stat{Name: "Stuff", Count: 11})
|
|
stats.push(Stat{Name: "Stuff", Count: 1})
|
|
stats.push(Stat{Name: "Stuff", Count: 6})
|
|
|
|
data := stats.get()
|
|
|
|
require.Equal(t, 4, len(data))
|
|
require.Equal(t, uint64(11), data[0].Count)
|
|
}
|
|
|
|
func BenchmarkPostingStatsMaxHep(b *testing.B) {
|
|
stats := &maxHeap{}
|
|
max := 9000000
|
|
heapLength := 10
|
|
b.ResetTimer()
|
|
for n := 0; n < b.N; n++ {
|
|
stats.init(heapLength)
|
|
for i := 0; i < max; i++ {
|
|
item := Stat{
|
|
Name: "Label-da",
|
|
Count: uint64(i),
|
|
}
|
|
stats.push(item)
|
|
}
|
|
stats.get()
|
|
}
|
|
}
|