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opentelemetry-go/sdk/metric/aggregator/aggregator_test.go
Tyler Yahn 818c7b14b3
Move metric api package into otel (#1252)
* Update metric Kind to InstrumentKind

* Update all the other modules with Kind rename

* Update metric Descriptor with instrument Kind rename

* Update other modules with Descriptor method rename

* Update OTLP exporter test field name

* Rename kind filenames

* Add changes to CHANGELOG

* Fix documentation for Grouping and PrecomputedSum

* Rename meter.go to metric.go

* Move descriptor.go into metric.go

* Move must.go into metric.go

* Move instruments into metric_instrument.go

* Rename metric api_test.go to metric_test.go

* Move instrumentkind_test.go into metric_test.go

* Rename sdkapi.go metric_sdkapi.go

* Move api/metric into otel

* Update to use moved packages

* Rename otel.go to error_handler.go

* Add changes to CHANGELOG

* Fix merge conflict resolution error
2020-10-17 09:48:21 -07:00

103 lines
2.9 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"
"go.opentelemetry.io/otel/sdk/export/metric/aggregation"
"go.opentelemetry.io/otel/sdk/metric/aggregator"
"go.opentelemetry.io/otel/sdk/metric/aggregator/lastvalue"
"go.opentelemetry.io/otel/sdk/metric/aggregator/sum"
)
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 *otel.Descriptor) {
// If the descriptor uses int64 numbers, this won't register as NaN
nan := otel.NewFloat64Number(math.NaN())
err := aggregator.RangeTest(nan, desc)
if desc.NumberKind() == otel.Float64NumberKind {
require.Equal(t, aggregation.ErrNaNInput, err)
} else {
require.Nil(t, err)
}
}
func testRangeNegative(t *testing.T, desc *otel.Descriptor) {
var neg, pos otel.Number
if desc.NumberKind() == otel.Float64NumberKind {
pos = otel.NewFloat64Number(+1)
neg = otel.NewFloat64Number(-1)
} else {
pos = otel.NewInt64Number(+1)
neg = otel.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 []otel.NumberKind{otel.Float64NumberKind, otel.Int64NumberKind} {
t.Run(nkind.String(), func(t *testing.T) {
desc := otel.NewDescriptor(
"name",
otel.CounterInstrumentKind,
nkind,
)
testRangeNegative(t, &desc)
})
}
}
func TestNaNTest(t *testing.T) {
for _, nkind := range []otel.NumberKind{otel.Float64NumberKind, otel.Int64NumberKind} {
t.Run(nkind.String(), func(t *testing.T) {
for _, mkind := range []otel.InstrumentKind{
otel.CounterInstrumentKind,
otel.ValueRecorderInstrumentKind,
otel.ValueObserverInstrumentKind,
} {
desc := otel.NewDescriptor(
"name",
mkind,
nkind,
)
testRangeNaN(t, &desc)
}
})
}
}