1
0
mirror of https://github.com/open-telemetry/opentelemetry-go.git synced 2024-12-12 10:04:29 +02:00
opentelemetry-go/sdk/metric/aggregator/aggregator_test.go
Bogdan Drutu 6cafa6a060
Remove sdk/export/metric module, embed into the sdk/metric (#2382)
Signed-off-by: Bogdan Drutu <bogdandrutu@gmail.com>
2021-12-13 12:13:03 -08:00

105 lines
3.0 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 aggregator_test // import "go.opentelemetry.io/otel/sdk/metric/aggregator"
import (
"errors"
"math"
"testing"
"github.com/stretchr/testify/require"
"go.opentelemetry.io/otel/metric/metrictest"
"go.opentelemetry.io/otel/metric/number"
"go.opentelemetry.io/otel/metric/sdkapi"
"go.opentelemetry.io/otel/sdk/metric/aggregator"
"go.opentelemetry.io/otel/sdk/metric/aggregator/lastvalue"
"go.opentelemetry.io/otel/sdk/metric/aggregator/sum"
"go.opentelemetry.io/otel/sdk/metric/export/aggregation"
)
func TestInconsistentAggregatorErr(t *testing.T) {
err := aggregator.NewInconsistentAggregatorError(&sum.New(1)[0], &lastvalue.New(1)[0])
require.Equal(
t,
"inconsistent aggregator types: *sum.Aggregator and *lastvalue.Aggregator",
err.Error(),
)
require.True(t, errors.Is(err, aggregation.ErrInconsistentType))
}
func testRangeNaN(t *testing.T, desc *sdkapi.Descriptor) {
// If the descriptor uses int64 numbers, this won't register as NaN
nan := number.NewFloat64Number(math.NaN())
err := aggregator.RangeTest(nan, desc)
if desc.NumberKind() == number.Float64Kind {
require.Equal(t, aggregation.ErrNaNInput, err)
} else {
require.Nil(t, err)
}
}
func testRangeNegative(t *testing.T, desc *sdkapi.Descriptor) {
var neg, pos number.Number
if desc.NumberKind() == number.Float64Kind {
pos = number.NewFloat64Number(+1)
neg = number.NewFloat64Number(-1)
} else {
pos = number.NewInt64Number(+1)
neg = number.NewInt64Number(-1)
}
posErr := aggregator.RangeTest(pos, desc)
negErr := aggregator.RangeTest(neg, desc)
require.Nil(t, posErr)
require.Equal(t, negErr, aggregation.ErrNegativeInput)
}
func TestRangeTest(t *testing.T) {
// Only Counters implement a range test.
for _, nkind := range []number.Kind{number.Float64Kind, number.Int64Kind} {
t.Run(nkind.String(), func(t *testing.T) {
desc := metrictest.NewDescriptor(
"name",
sdkapi.CounterInstrumentKind,
nkind,
)
testRangeNegative(t, &desc)
})
}
}
func TestNaNTest(t *testing.T) {
for _, nkind := range []number.Kind{number.Float64Kind, number.Int64Kind} {
t.Run(nkind.String(), func(t *testing.T) {
for _, mkind := range []sdkapi.InstrumentKind{
sdkapi.CounterInstrumentKind,
sdkapi.HistogramInstrumentKind,
sdkapi.GaugeObserverInstrumentKind,
} {
desc := metrictest.NewDescriptor(
"name",
mkind,
nkind,
)
testRangeNaN(t, &desc)
}
})
}
}