github.com/inspektor-gadget/inspektor-gadget@v0.28.1/pkg/operators/prometheus/bucket_test.go (about)

     1  // Copyright 2023 The Inspektor Gadget authors
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package prometheus
    16  
    17  import (
    18  	"testing"
    19  
    20  	"github.com/stretchr/testify/require"
    21  )
    22  
    23  func Test_exp2Buckets(t *testing.T) {
    24  	cfg := &BucketConfig{Type: BucketTypeExp2, Min: 0, Max: 10, Multiplier: 0.0001}
    25  	got := cfg.buckets()
    26  	want := []float64{
    27  		0.0001, 0.0002, 0.0004, 0.0008, 0.0016, 0.0032, 0.0064, 0.0128, 0.0256, 0.0512,
    28  	}
    29  	require.Equal(t, want, got)
    30  }
    31  
    32  func Test_linearBuckets(t *testing.T) {
    33  	cfg := &BucketConfig{Type: BucketTypeLinear, Min: 0, Max: 10, Multiplier: 0.0001}
    34  	got := cfg.buckets()
    35  	want := []float64{
    36  		0, 0.0001, 0.0002, 0.0003, 0.0004, 0.0005, 0.0006, 0.0007, 0.0008, 0.0009,
    37  	}
    38  	require.Equal(t, want, got)
    39  }