mirror of
https://github.com/open-telemetry/opentelemetry-go.git
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18f4cb85ec
* Empty All of the metrics dir * Add instrument api with documentation * Add a NoOp implementation. * Updated to the new config standard * Address PR comments * This change moves components to sdk/metrics The Moved components are: - metric/metrictest - metric/number - metric/internal/registry - metric/sdkapi * The SDK changes necessary to satasify the new api * This fixes the remaing tests. * Update changelog * refactor the Noop meter and instruments into one package. * Renamed pkg.Instruments to pkg.InstrumentProvider Co-authored-by: Aaron Clawson <MadVikingGod@users.noreply.github.com>
123 lines
3.9 KiB
Go
123 lines
3.9 KiB
Go
// Copyright The OpenTelemetry Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package basic_test
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import (
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"context"
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"runtime"
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"testing"
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"time"
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"github.com/stretchr/testify/require"
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"go.opentelemetry.io/otel/attribute"
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controller "go.opentelemetry.io/otel/sdk/metric/controller/basic"
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"go.opentelemetry.io/otel/sdk/metric/controller/controllertest"
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"go.opentelemetry.io/otel/sdk/metric/export/aggregation"
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processor "go.opentelemetry.io/otel/sdk/metric/processor/basic"
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"go.opentelemetry.io/otel/sdk/metric/processor/processortest"
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"go.opentelemetry.io/otel/sdk/resource"
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)
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func TestPullNoCollect(t *testing.T) {
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puller := controller.New(
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processor.NewFactory(
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processortest.AggregatorSelector(),
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aggregation.CumulativeTemporalitySelector(),
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processor.WithMemory(true),
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),
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controller.WithCollectPeriod(0),
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controller.WithResource(resource.Empty()),
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)
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ctx := context.Background()
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meter := puller.Meter("nocache")
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counter, err := meter.SyncInt64().Counter("counter.sum")
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require.NoError(t, err)
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counter.Add(ctx, 10, attribute.String("A", "B"))
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require.NoError(t, puller.Collect(ctx))
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records := processortest.NewOutput(attribute.DefaultEncoder())
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require.NoError(t, controllertest.ReadAll(puller, aggregation.CumulativeTemporalitySelector(), records.AddInstrumentationLibraryRecord))
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require.EqualValues(t, map[string]float64{
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"counter.sum/A=B/": 10,
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}, records.Map())
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counter.Add(ctx, 10, attribute.String("A", "B"))
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require.NoError(t, puller.Collect(ctx))
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records = processortest.NewOutput(attribute.DefaultEncoder())
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require.NoError(t, controllertest.ReadAll(puller, aggregation.CumulativeTemporalitySelector(), records.AddInstrumentationLibraryRecord))
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require.EqualValues(t, map[string]float64{
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"counter.sum/A=B/": 20,
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}, records.Map())
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}
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func TestPullWithCollect(t *testing.T) {
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puller := controller.New(
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processor.NewFactory(
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processortest.AggregatorSelector(),
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aggregation.CumulativeTemporalitySelector(),
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processor.WithMemory(true),
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),
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controller.WithCollectPeriod(time.Second),
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controller.WithResource(resource.Empty()),
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)
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mock := controllertest.NewMockClock()
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puller.SetClock(mock)
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ctx := context.Background()
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meter := puller.Meter("nocache")
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counter, err := meter.SyncInt64().Counter("counter.sum")
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require.NoError(t, err)
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counter.Add(ctx, 10, attribute.String("A", "B"))
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require.NoError(t, puller.Collect(ctx))
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records := processortest.NewOutput(attribute.DefaultEncoder())
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require.NoError(t, controllertest.ReadAll(puller, aggregation.CumulativeTemporalitySelector(), records.AddInstrumentationLibraryRecord))
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require.EqualValues(t, map[string]float64{
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"counter.sum/A=B/": 10,
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}, records.Map())
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counter.Add(ctx, 10, attribute.String("A", "B"))
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// Cached value!
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require.NoError(t, puller.Collect(ctx))
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records = processortest.NewOutput(attribute.DefaultEncoder())
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require.NoError(t, controllertest.ReadAll(puller, aggregation.CumulativeTemporalitySelector(), records.AddInstrumentationLibraryRecord))
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require.EqualValues(t, map[string]float64{
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"counter.sum/A=B/": 10,
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}, records.Map())
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mock.Add(time.Second)
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runtime.Gosched()
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// Re-computed value!
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require.NoError(t, puller.Collect(ctx))
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records = processortest.NewOutput(attribute.DefaultEncoder())
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require.NoError(t, controllertest.ReadAll(puller, aggregation.CumulativeTemporalitySelector(), records.AddInstrumentationLibraryRecord))
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require.EqualValues(t, map[string]float64{
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"counter.sum/A=B/": 20,
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}, records.Map())
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}
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