prometheus/promql/bench.go

48 lines
1.2 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, softwar
// 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 "testing"
// A Benchmark holds context for running a unit test as a benchmark.
type Benchmark struct {
b *testing.B
t *Test
iterCount int
}
// NewBenchmark returns an initialized empty Benchmark.
func NewBenchmark(b *testing.B, input string) *Benchmark {
t, err := NewTest(b, input)
if err != nil {
b.Fatalf("Unable to run benchmark: %s", err)
}
return &Benchmark{
b: b,
t: t,
}
}
// Run runs the benchmark.
func (b *Benchmark) Run() {
b.b.ReportAllocs()
b.b.ResetTimer()
for i := 0; i < b.b.N; i++ {
if err := b.t.RunAsBenchmark(b); err != nil {
b.b.Error(err)
}
b.iterCount++
}
}