mirror of
https://github.com/open-telemetry/opentelemetry-go.git
synced 2025-04-21 11:57:04 +02:00
a485d0ec64
* Update License header for all source files - Add Apache 2.0 header to source files that did not have one. - Update all existing headers dated to 2019 to be 2020 - Remove comma from License header to comply with the Apache 2.0 guidelines. * Update Copyright notice Use the standard Copyright notices outlined by the [CNCF](https://github.com/cncf/foundation/blob/master/copyright-notices.md#copyright-notices)
324 lines
7.5 KiB
Go
324 lines
7.5 KiB
Go
// Copyright The OpenTelemetry 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 array
|
|
|
|
import (
|
|
"context"
|
|
"fmt"
|
|
"math"
|
|
"os"
|
|
"testing"
|
|
"unsafe"
|
|
|
|
"github.com/stretchr/testify/require"
|
|
|
|
"go.opentelemetry.io/otel/api/core"
|
|
"go.opentelemetry.io/otel/api/metric"
|
|
ottest "go.opentelemetry.io/otel/internal/testing"
|
|
"go.opentelemetry.io/otel/sdk/export/metric/aggregator"
|
|
"go.opentelemetry.io/otel/sdk/metric/aggregator/test"
|
|
)
|
|
|
|
// Ensure struct alignment prior to running tests.
|
|
func TestMain(m *testing.M) {
|
|
fields := []ottest.FieldOffset{
|
|
{
|
|
Name: "Aggregator.ckptSum",
|
|
Offset: unsafe.Offsetof(Aggregator{}.ckptSum),
|
|
},
|
|
}
|
|
if !ottest.Aligned8Byte(fields, os.Stderr) {
|
|
os.Exit(1)
|
|
}
|
|
|
|
os.Exit(m.Run())
|
|
}
|
|
|
|
type updateTest struct {
|
|
count int
|
|
}
|
|
|
|
func (ut *updateTest) run(t *testing.T, profile test.Profile) {
|
|
descriptor := test.NewAggregatorTest(metric.MeasureKind, profile.NumberKind)
|
|
|
|
agg := New()
|
|
|
|
all := test.NewNumbers(profile.NumberKind)
|
|
|
|
for i := 0; i < ut.count; i++ {
|
|
x := profile.Random(+1)
|
|
all.Append(x)
|
|
test.CheckedUpdate(t, agg, x, descriptor)
|
|
|
|
y := profile.Random(-1)
|
|
all.Append(y)
|
|
test.CheckedUpdate(t, agg, y, descriptor)
|
|
}
|
|
|
|
ctx := context.Background()
|
|
agg.Checkpoint(ctx, descriptor)
|
|
|
|
all.Sort()
|
|
|
|
sum, err := agg.Sum()
|
|
require.Nil(t, err)
|
|
allSum := all.Sum()
|
|
require.InEpsilon(t,
|
|
(&allSum).CoerceToFloat64(profile.NumberKind),
|
|
sum.CoerceToFloat64(profile.NumberKind),
|
|
0.0000001,
|
|
"Same sum")
|
|
count, err := agg.Count()
|
|
require.Nil(t, err)
|
|
require.Equal(t, all.Count(), count, "Same count")
|
|
|
|
min, err := agg.Min()
|
|
require.Nil(t, err)
|
|
require.Equal(t, all.Min(), min, "Same min")
|
|
|
|
max, err := agg.Max()
|
|
require.Nil(t, err)
|
|
require.Equal(t, all.Max(), max, "Same max")
|
|
|
|
qx, err := agg.Quantile(0.5)
|
|
require.Nil(t, err)
|
|
require.Equal(t, all.Median(), qx, "Same median")
|
|
}
|
|
|
|
func TestArrayUpdate(t *testing.T) {
|
|
// Test with an odd an even number of measurements
|
|
for count := 999; count <= 1000; count++ {
|
|
t.Run(fmt.Sprint("Odd=", count%2 == 1), func(t *testing.T) {
|
|
ut := updateTest{
|
|
count: count,
|
|
}
|
|
|
|
// Test integer and floating point
|
|
test.RunProfiles(t, ut.run)
|
|
})
|
|
}
|
|
}
|
|
|
|
type mergeTest struct {
|
|
count int
|
|
absolute bool
|
|
}
|
|
|
|
func (mt *mergeTest) run(t *testing.T, profile test.Profile) {
|
|
ctx := context.Background()
|
|
|
|
descriptor := test.NewAggregatorTest(metric.MeasureKind, profile.NumberKind)
|
|
|
|
agg1 := New()
|
|
agg2 := New()
|
|
|
|
all := test.NewNumbers(profile.NumberKind)
|
|
|
|
for i := 0; i < mt.count; i++ {
|
|
x1 := profile.Random(+1)
|
|
all.Append(x1)
|
|
test.CheckedUpdate(t, agg1, x1, descriptor)
|
|
|
|
x2 := profile.Random(+1)
|
|
all.Append(x2)
|
|
test.CheckedUpdate(t, agg2, x2, descriptor)
|
|
|
|
if !mt.absolute {
|
|
y1 := profile.Random(-1)
|
|
all.Append(y1)
|
|
test.CheckedUpdate(t, agg1, y1, descriptor)
|
|
|
|
y2 := profile.Random(-1)
|
|
all.Append(y2)
|
|
test.CheckedUpdate(t, agg2, y2, descriptor)
|
|
}
|
|
}
|
|
|
|
agg1.Checkpoint(ctx, descriptor)
|
|
agg2.Checkpoint(ctx, descriptor)
|
|
|
|
test.CheckedMerge(t, agg1, agg2, descriptor)
|
|
|
|
all.Sort()
|
|
|
|
sum, err := agg1.Sum()
|
|
require.Nil(t, err)
|
|
allSum := all.Sum()
|
|
require.InEpsilon(t,
|
|
(&allSum).CoerceToFloat64(profile.NumberKind),
|
|
sum.CoerceToFloat64(profile.NumberKind),
|
|
0.0000001,
|
|
"Same sum - absolute")
|
|
count, err := agg1.Count()
|
|
require.Nil(t, err)
|
|
require.Equal(t, all.Count(), count, "Same count - absolute")
|
|
|
|
min, err := agg1.Min()
|
|
require.Nil(t, err)
|
|
require.Equal(t, all.Min(), min, "Same min - absolute")
|
|
|
|
max, err := agg1.Max()
|
|
require.Nil(t, err)
|
|
require.Equal(t, all.Max(), max, "Same max - absolute")
|
|
|
|
qx, err := agg1.Quantile(0.5)
|
|
require.Nil(t, err)
|
|
require.Equal(t, all.Median(), qx, "Same median - absolute")
|
|
}
|
|
|
|
func TestArrayMerge(t *testing.T) {
|
|
// Test with an odd an even number of measurements
|
|
for count := 999; count <= 1000; count++ {
|
|
t.Run(fmt.Sprint("Odd=", count%2 == 1), func(t *testing.T) {
|
|
// Test absolute and non-absolute
|
|
for _, absolute := range []bool{false, true} {
|
|
t.Run(fmt.Sprint("Absolute=", absolute), func(t *testing.T) {
|
|
mt := mergeTest{
|
|
count: count,
|
|
absolute: absolute,
|
|
}
|
|
|
|
// Test integer and floating point
|
|
test.RunProfiles(t, mt.run)
|
|
})
|
|
}
|
|
})
|
|
}
|
|
}
|
|
|
|
func TestArrayErrors(t *testing.T) {
|
|
test.RunProfiles(t, func(t *testing.T, profile test.Profile) {
|
|
agg := New()
|
|
|
|
_, err := agg.Max()
|
|
require.Error(t, err)
|
|
require.Equal(t, err, aggregator.ErrNoData)
|
|
|
|
_, err = agg.Min()
|
|
require.Error(t, err)
|
|
require.Equal(t, err, aggregator.ErrNoData)
|
|
|
|
_, err = agg.Quantile(0.1)
|
|
require.Error(t, err)
|
|
require.Equal(t, err, aggregator.ErrNoData)
|
|
|
|
ctx := context.Background()
|
|
|
|
descriptor := test.NewAggregatorTest(metric.MeasureKind, profile.NumberKind)
|
|
|
|
test.CheckedUpdate(t, agg, core.Number(0), descriptor)
|
|
|
|
if profile.NumberKind == core.Float64NumberKind {
|
|
test.CheckedUpdate(t, agg, core.NewFloat64Number(math.NaN()), descriptor)
|
|
}
|
|
agg.Checkpoint(ctx, descriptor)
|
|
|
|
count, err := agg.Count()
|
|
require.Equal(t, int64(1), count, "NaN value was not counted")
|
|
require.Nil(t, err)
|
|
|
|
num, err := agg.Quantile(0)
|
|
require.Nil(t, err)
|
|
require.Equal(t, num, core.Number(0))
|
|
|
|
_, err = agg.Quantile(-0.0001)
|
|
require.Error(t, err)
|
|
require.Equal(t, err, aggregator.ErrInvalidQuantile)
|
|
|
|
_, err = agg.Quantile(1.0001)
|
|
require.Error(t, err)
|
|
require.Equal(t, err, aggregator.ErrInvalidQuantile)
|
|
})
|
|
}
|
|
|
|
func TestArrayFloat64(t *testing.T) {
|
|
descriptor := test.NewAggregatorTest(metric.MeasureKind, core.Float64NumberKind)
|
|
|
|
fpsf := func(sign int) []float64 {
|
|
// Check behavior of a bunch of odd floating
|
|
// points except for NaN, which is invalid.
|
|
return []float64{
|
|
0,
|
|
math.Inf(sign),
|
|
1 / math.Inf(sign),
|
|
1,
|
|
2,
|
|
1e100,
|
|
math.MaxFloat64,
|
|
math.SmallestNonzeroFloat64,
|
|
math.MaxFloat32,
|
|
math.SmallestNonzeroFloat32,
|
|
math.E,
|
|
math.Pi,
|
|
math.Phi,
|
|
math.Sqrt2,
|
|
math.SqrtE,
|
|
math.SqrtPi,
|
|
math.SqrtPhi,
|
|
math.Ln2,
|
|
math.Log2E,
|
|
math.Ln10,
|
|
math.Log10E,
|
|
}
|
|
}
|
|
|
|
all := test.NewNumbers(core.Float64NumberKind)
|
|
|
|
ctx := context.Background()
|
|
agg := New()
|
|
|
|
for _, f := range fpsf(1) {
|
|
all.Append(core.NewFloat64Number(f))
|
|
test.CheckedUpdate(t, agg, core.NewFloat64Number(f), descriptor)
|
|
}
|
|
|
|
for _, f := range fpsf(-1) {
|
|
all.Append(core.NewFloat64Number(f))
|
|
test.CheckedUpdate(t, agg, core.NewFloat64Number(f), descriptor)
|
|
}
|
|
|
|
agg.Checkpoint(ctx, descriptor)
|
|
|
|
all.Sort()
|
|
|
|
sum, err := agg.Sum()
|
|
require.Nil(t, err)
|
|
allSum := all.Sum()
|
|
require.InEpsilon(t, (&allSum).AsFloat64(), sum.AsFloat64(), 0.0000001, "Same sum")
|
|
|
|
count, err := agg.Count()
|
|
require.Equal(t, all.Count(), count, "Same count")
|
|
require.Nil(t, err)
|
|
|
|
min, err := agg.Min()
|
|
require.Nil(t, err)
|
|
require.Equal(t, all.Min(), min, "Same min")
|
|
|
|
max, err := agg.Max()
|
|
require.Nil(t, err)
|
|
require.Equal(t, all.Max(), max, "Same max")
|
|
|
|
qx, err := agg.Quantile(0.5)
|
|
require.Nil(t, err)
|
|
require.Equal(t, all.Median(), qx, "Same median")
|
|
|
|
po, err := agg.Points()
|
|
require.Nil(t, err)
|
|
require.Equal(t, all.Len(), len(po), "Points() must have same length of updates")
|
|
for i := 0; i < len(po); i++ {
|
|
require.Equal(t, all.Points()[i], po[i], "Wrong point at position %d", i)
|
|
}
|
|
}
|