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119 lines
2.8 KiB
119 lines
2.8 KiB
// Copyright 2015 The Prometheus Authors |
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// Licensed under the Apache License, Version 2.0 (the "License"); |
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// you may not use this file except in compliance with the License. |
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// You may obtain a copy of the License at |
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// |
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// http://www.apache.org/licenses/LICENSE-2.0 |
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// |
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// Unless required by applicable law or agreed to in writing, software |
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// distributed under the License is distributed on an "AS IS" BASIS, |
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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// See the License for the specific language governing permissions and |
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// limitations under the License. |
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package promql |
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import ( |
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"context" |
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"testing" |
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"time" |
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"github.com/prometheus/prometheus/pkg/labels" |
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"github.com/prometheus/prometheus/pkg/timestamp" |
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"github.com/prometheus/prometheus/util/testutil" |
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) |
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func BenchmarkHoltWinters4Week5Min(b *testing.B) { |
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input := ` |
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clear |
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load 5m |
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http_requests{path="/foo"} 0+10x8064 |
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eval instant at 4w holt_winters(http_requests[4w], 0.3, 0.3) |
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{path="/foo"} 80640 |
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` |
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bench := NewBenchmark(b, input) |
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bench.Run() |
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} |
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func BenchmarkHoltWinters1Week5Min(b *testing.B) { |
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input := ` |
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clear |
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load 5m |
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http_requests{path="/foo"} 0+10x2016 |
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eval instant at 1w holt_winters(http_requests[1w], 0.3, 0.3) |
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{path="/foo"} 20160 |
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` |
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bench := NewBenchmark(b, input) |
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bench.Run() |
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} |
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func BenchmarkHoltWinters1Day1Min(b *testing.B) { |
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input := ` |
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clear |
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load 1m |
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http_requests{path="/foo"} 0+10x1440 |
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eval instant at 1d holt_winters(http_requests[1d], 0.3, 0.3) |
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{path="/foo"} 14400 |
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` |
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bench := NewBenchmark(b, input) |
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bench.Run() |
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} |
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func BenchmarkChanges1Day1Min(b *testing.B) { |
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input := ` |
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clear |
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load 1m |
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http_requests{path="/foo"} 0+10x1440 |
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eval instant at 1d changes(http_requests[1d]) |
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{path="/foo"} 1440 |
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` |
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bench := NewBenchmark(b, input) |
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bench.Run() |
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} |
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func TestDeriv(t *testing.T) { |
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// https://github.com/prometheus/prometheus/issues/2674#issuecomment-315439393 |
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// This requires more precision than the usual test system offers, |
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// so we test it by hand. |
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storage := testutil.NewStorage(t) |
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defer storage.Close() |
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engine := NewEngine(nil, nil, 10, 10*time.Second) |
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a, err := storage.Appender() |
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if err != nil { |
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t.Fatal(err) |
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} |
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metric := labels.FromStrings("__name__", "foo") |
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a.Add(metric, 1493712816939, 1.0) |
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a.Add(metric, 1493712846939, 1.0) |
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if err := a.Commit(); err != nil { |
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t.Fatal(err) |
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} |
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query, err := engine.NewInstantQuery(storage, "deriv(foo[30m])", timestamp.Time(1493712846939)) |
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if err != nil { |
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t.Fatalf("Error parsing query: %s", err) |
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} |
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result := query.Exec(context.Background()) |
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if result.Err != nil { |
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t.Fatalf("Error running query: %s", result.Err) |
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} |
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vec, _ := result.Vector() |
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if len(vec) != 1 { |
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t.Fatalf("Expected 1 result, got %d", len(vec)) |
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} |
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if vec[0].V != 0.0 { |
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t.Fatalf("Expected 0.0 as value, got %f", vec[0].V) |
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} |
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}
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