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// SPDX-License-Identifier: GPL-3.0-or-later
package metrics
import (
"testing"
"github.com/stretchr/testify/assert"
)
func TestNewSummary(t *testing.T) {
s := NewSummary().(*summary)
assert.EqualValues(t, 0, s.count)
assert.Equal(t, 0.0, s.sum)
s.Observe(3.14)
assert.Equal(t, 3.14, s.min)
assert.Equal(t, 3.14, s.max)
}
func TestSummary_WriteTo(t *testing.T) {
s := NewSummary()
m1 := map[string]int64{}
s.WriteTo(m1, "pi", 100, 1)
assert.Len(t, m1, 2)
assert.Contains(t, m1, "pi_count")
assert.Contains(t, m1, "pi_sum")
assert.EqualValues(t, 0, m1["pi_count"])
assert.EqualValues(t, 0, m1["pi_sum"])
s.Observe(3.14)
s.Observe(2.71)
s.Observe(-10)
m2 := map[string]int64{}
s.WriteTo(m1, "pi", 100, 1)
s.WriteTo(m2, "pi", 100, 1)
assert.Equal(t, m1, m2)
assert.Len(t, m1, 5)
assert.EqualValues(t, 3, m1["pi_count"])
assert.EqualValues(t, -415, m1["pi_sum"])
assert.EqualValues(t, -1000, m1["pi_min"])
assert.EqualValues(t, 314, m1["pi_max"])
assert.EqualValues(t, -138, m1["pi_avg"])
s.Reset()
s.WriteTo(m1, "pi", 100, 1)
assert.Len(t, m1, 2)
assert.Contains(t, m1, "pi_count")
assert.Contains(t, m1, "pi_sum")
assert.EqualValues(t, 0, m1["pi_count"])
assert.EqualValues(t, 0, m1["pi_sum"])
}
func TestSummary_Reset(t *testing.T) {
s := NewSummary().(*summary)
s.Observe(1)
s.Reset()
assert.EqualValues(t, 0, s.count)
}
func BenchmarkSummary_Observe(b *testing.B) {
s := NewSummary()
for i := 0; i < b.N; i++ {
s.Observe(2.5)
}
}
func BenchmarkSummary_WriteTo(b *testing.B) {
s := NewSummary()
s.Observe(2.5)
s.Observe(3.5)
s.Observe(4.5)
m := map[string]int64{}
for i := 0; i < b.N; i++ {
s.WriteTo(m, "pi", 100, 1)
}
}
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