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mirror of https://github.com/open-telemetry/opentelemetry-go.git synced 2024-12-12 10:04:29 +02:00
opentelemetry-go/sdk/metric/selector/simple/simple_test.go
Joshua MacDonald 8c3cc43992
Use LastValue by default for ValueObserver instruments (#1165)
* Use LastValue by default for ValueObserver instruments

* Update test

* Update test with feedback

* Update fix

* Update changelog

* sum->scalar

* Tests pass

* Add a test

* Undo incorrect proto adds

* Restore origin protos

* Restore

* Upstream

* Add more tests

* Precommit

* Typo

* ore test feedback
2020-09-24 18:30:55 -04:00

79 lines
3.3 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 simple_test
import (
"testing"
"github.com/stretchr/testify/require"
"go.opentelemetry.io/otel/api/metric"
export "go.opentelemetry.io/otel/sdk/export/metric"
"go.opentelemetry.io/otel/sdk/metric/aggregator/array"
"go.opentelemetry.io/otel/sdk/metric/aggregator/ddsketch"
"go.opentelemetry.io/otel/sdk/metric/aggregator/histogram"
"go.opentelemetry.io/otel/sdk/metric/aggregator/lastvalue"
"go.opentelemetry.io/otel/sdk/metric/aggregator/minmaxsumcount"
"go.opentelemetry.io/otel/sdk/metric/aggregator/sum"
"go.opentelemetry.io/otel/sdk/metric/selector/simple"
)
var (
testCounterDesc = metric.NewDescriptor("counter", metric.CounterKind, metric.Int64NumberKind)
testUpDownCounterDesc = metric.NewDescriptor("updowncounter", metric.UpDownCounterKind, metric.Int64NumberKind)
testSumObserverDesc = metric.NewDescriptor("sumobserver", metric.SumObserverKind, metric.Int64NumberKind)
testUpDownSumObserverDesc = metric.NewDescriptor("updownsumobserver", metric.UpDownSumObserverKind, metric.Int64NumberKind)
testValueRecorderDesc = metric.NewDescriptor("valuerecorder", metric.ValueRecorderKind, metric.Int64NumberKind)
testValueObserverDesc = metric.NewDescriptor("valueobserver", metric.ValueObserverKind, metric.Int64NumberKind)
)
func oneAgg(sel export.AggregatorSelector, desc *metric.Descriptor) export.Aggregator {
var agg export.Aggregator
sel.AggregatorFor(desc, &agg)
return agg
}
func testFixedSelectors(t *testing.T, sel export.AggregatorSelector) {
require.IsType(t, (*lastvalue.Aggregator)(nil), oneAgg(sel, &testValueObserverDesc))
require.IsType(t, (*sum.Aggregator)(nil), oneAgg(sel, &testCounterDesc))
require.IsType(t, (*sum.Aggregator)(nil), oneAgg(sel, &testUpDownCounterDesc))
require.IsType(t, (*sum.Aggregator)(nil), oneAgg(sel, &testSumObserverDesc))
require.IsType(t, (*sum.Aggregator)(nil), oneAgg(sel, &testUpDownSumObserverDesc))
}
func TestInexpensiveDistribution(t *testing.T) {
inex := simple.NewWithInexpensiveDistribution()
require.IsType(t, (*minmaxsumcount.Aggregator)(nil), oneAgg(inex, &testValueRecorderDesc))
testFixedSelectors(t, inex)
}
func TestSketchDistribution(t *testing.T) {
sk := simple.NewWithSketchDistribution(ddsketch.NewDefaultConfig())
require.IsType(t, (*ddsketch.Aggregator)(nil), oneAgg(sk, &testValueRecorderDesc))
testFixedSelectors(t, sk)
}
func TestExactDistribution(t *testing.T) {
ex := simple.NewWithExactDistribution()
require.IsType(t, (*array.Aggregator)(nil), oneAgg(ex, &testValueRecorderDesc))
testFixedSelectors(t, ex)
}
func TestHistogramDistribution(t *testing.T) {
hist := simple.NewWithHistogramDistribution(nil)
require.IsType(t, (*histogram.Aggregator)(nil), oneAgg(hist, &testValueRecorderDesc))
testFixedSelectors(t, hist)
}