mirror of
https://github.com/prometheus/prometheus
synced 2024-12-25 07:52:28 +00:00
119 lines
2.7 KiB
Go
119 lines
2.7 KiB
Go
// Copyright 2015 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 promql
|
|
|
|
import (
|
|
"context"
|
|
"testing"
|
|
|
|
"github.com/prometheus/prometheus/pkg/labels"
|
|
"github.com/prometheus/prometheus/pkg/timestamp"
|
|
"github.com/prometheus/prometheus/util/testutil"
|
|
)
|
|
|
|
func BenchmarkHoltWinters4Week5Min(b *testing.B) {
|
|
input := `
|
|
clear
|
|
load 5m
|
|
http_requests{path="/foo"} 0+10x8064
|
|
|
|
eval instant at 4w holt_winters(http_requests[4w], 0.3, 0.3)
|
|
{path="/foo"} 80640
|
|
`
|
|
|
|
bench := NewBenchmark(b, input)
|
|
bench.Run()
|
|
|
|
}
|
|
|
|
func BenchmarkHoltWinters1Week5Min(b *testing.B) {
|
|
input := `
|
|
clear
|
|
load 5m
|
|
http_requests{path="/foo"} 0+10x2016
|
|
|
|
eval instant at 1w holt_winters(http_requests[1w], 0.3, 0.3)
|
|
{path="/foo"} 20160
|
|
`
|
|
|
|
bench := NewBenchmark(b, input)
|
|
bench.Run()
|
|
}
|
|
|
|
func BenchmarkHoltWinters1Day1Min(b *testing.B) {
|
|
input := `
|
|
clear
|
|
load 1m
|
|
http_requests{path="/foo"} 0+10x1440
|
|
|
|
eval instant at 1d holt_winters(http_requests[1d], 0.3, 0.3)
|
|
{path="/foo"} 14400
|
|
`
|
|
|
|
bench := NewBenchmark(b, input)
|
|
bench.Run()
|
|
}
|
|
|
|
func BenchmarkChanges1Day1Min(b *testing.B) {
|
|
input := `
|
|
clear
|
|
load 1m
|
|
http_requests{path="/foo"} 0+10x1440
|
|
|
|
eval instant at 1d changes(http_requests[1d])
|
|
{path="/foo"} 1440
|
|
`
|
|
|
|
bench := NewBenchmark(b, input)
|
|
bench.Run()
|
|
}
|
|
|
|
func TestDeriv(t *testing.T) {
|
|
// https://github.com/prometheus/prometheus/issues/2674#issuecomment-315439393
|
|
// This requires more precision than the usual test system offers,
|
|
// so we test it by hand.
|
|
storage := testutil.NewStorage(t)
|
|
defer storage.Close()
|
|
engine := NewEngine(storage, nil)
|
|
|
|
a, err := storage.Appender()
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
metric := labels.FromStrings("__name__", "foo")
|
|
a.Add(metric, 1493712816939, 1.0)
|
|
a.Add(metric, 1493712846939, 1.0)
|
|
|
|
if err := a.Commit(); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
query, err := engine.NewInstantQuery("deriv(foo[30m])", timestamp.Time(1493712846939))
|
|
if err != nil {
|
|
t.Fatalf("Error parsing query: %s", err)
|
|
}
|
|
result := query.Exec(context.Background())
|
|
if result.Err != nil {
|
|
t.Fatalf("Error running query: %s", result.Err)
|
|
}
|
|
vec, _ := result.Vector()
|
|
if len(vec) != 1 {
|
|
t.Fatalf("Expected 1 result, got %d", len(vec))
|
|
}
|
|
if vec[0].V != 0.0 {
|
|
t.Fatalf("Expected 0.0 as value, got %f", vec[0].V)
|
|
}
|
|
}
|