mirror of
https://github.com/open-telemetry/opentelemetry-go.git
synced 2024-12-12 10:04:29 +02:00
477 lines
12 KiB
Go
477 lines
12 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 metric
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import (
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"context"
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"sync"
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"testing"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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"go.opentelemetry.io/otel/attribute"
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"go.opentelemetry.io/otel/metric"
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"go.opentelemetry.io/otel/metric/instrument"
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"go.opentelemetry.io/otel/sdk/instrumentation"
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"go.opentelemetry.io/otel/sdk/metric/metricdata"
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"go.opentelemetry.io/otel/sdk/metric/metricdata/metricdatatest"
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"go.opentelemetry.io/otel/sdk/resource"
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)
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// A meter should be able to make instruments concurrently.
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func TestMeterInstrumentConcurrency(t *testing.T) {
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wg := &sync.WaitGroup{}
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wg.Add(12)
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m := NewMeterProvider().Meter("inst-concurrency")
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go func() {
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_, _ = m.AsyncFloat64().Counter("AFCounter")
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wg.Done()
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}()
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go func() {
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_, _ = m.AsyncFloat64().UpDownCounter("AFUpDownCounter")
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wg.Done()
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}()
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go func() {
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_, _ = m.AsyncFloat64().Gauge("AFGauge")
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wg.Done()
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}()
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go func() {
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_, _ = m.AsyncInt64().Counter("AICounter")
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wg.Done()
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}()
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go func() {
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_, _ = m.AsyncInt64().UpDownCounter("AIUpDownCounter")
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wg.Done()
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}()
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go func() {
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_, _ = m.AsyncInt64().Gauge("AIGauge")
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wg.Done()
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}()
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go func() {
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_, _ = m.SyncFloat64().Counter("SFCounter")
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wg.Done()
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}()
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go func() {
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_, _ = m.SyncFloat64().UpDownCounter("SFUpDownCounter")
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wg.Done()
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}()
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go func() {
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_, _ = m.SyncFloat64().Histogram("SFHistogram")
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wg.Done()
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}()
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go func() {
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_, _ = m.SyncInt64().Counter("SICounter")
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wg.Done()
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}()
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go func() {
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_, _ = m.SyncInt64().UpDownCounter("SIUpDownCounter")
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wg.Done()
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}()
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go func() {
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_, _ = m.SyncInt64().Histogram("SIHistogram")
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wg.Done()
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}()
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wg.Wait()
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}
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// A Meter Should be able register Callbacks Concurrently.
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func TestMeterCallbackCreationConcurrency(t *testing.T) {
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wg := &sync.WaitGroup{}
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wg.Add(2)
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m := NewMeterProvider().Meter("callback-concurrency")
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go func() {
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_ = m.RegisterCallback([]instrument.Asynchronous{}, func(ctx context.Context) {})
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wg.Done()
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}()
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go func() {
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_ = m.RegisterCallback([]instrument.Asynchronous{}, func(ctx context.Context) {})
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wg.Done()
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}()
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wg.Wait()
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}
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// Instruments should produce correct ResourceMetrics.
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func TestMeterCreatesInstruments(t *testing.T) {
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var seven float64 = 7.0
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testCases := []struct {
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name string
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fn func(*testing.T, metric.Meter)
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want metricdata.Metrics
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}{
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{
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name: "AsyncInt64Count",
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fn: func(t *testing.T, m metric.Meter) {
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ctr, err := m.AsyncInt64().Counter("aint")
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assert.NoError(t, err)
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err = m.RegisterCallback([]instrument.Asynchronous{ctr}, func(ctx context.Context) {
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ctr.Observe(ctx, 3)
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})
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assert.NoError(t, err)
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// Observed outside of a callback, it should be ignored.
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ctr.Observe(context.Background(), 19)
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},
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want: metricdata.Metrics{
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Name: "aint",
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Data: metricdata.Sum[int64]{
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Temporality: metricdata.CumulativeTemporality,
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IsMonotonic: true,
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DataPoints: []metricdata.DataPoint[int64]{
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{Value: 3},
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},
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},
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},
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},
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{
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name: "AsyncInt64UpDownCount",
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fn: func(t *testing.T, m metric.Meter) {
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ctr, err := m.AsyncInt64().UpDownCounter("aint")
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assert.NoError(t, err)
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err = m.RegisterCallback([]instrument.Asynchronous{ctr}, func(ctx context.Context) {
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ctr.Observe(ctx, 11)
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})
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assert.NoError(t, err)
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// Observed outside of a callback, it should be ignored.
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ctr.Observe(context.Background(), 19)
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},
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want: metricdata.Metrics{
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Name: "aint",
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Data: metricdata.Sum[int64]{
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Temporality: metricdata.CumulativeTemporality,
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IsMonotonic: false,
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DataPoints: []metricdata.DataPoint[int64]{
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{Value: 11},
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},
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},
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},
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},
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{
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name: "AsyncInt64Gauge",
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fn: func(t *testing.T, m metric.Meter) {
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gauge, err := m.AsyncInt64().Gauge("agauge")
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assert.NoError(t, err)
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err = m.RegisterCallback([]instrument.Asynchronous{gauge}, func(ctx context.Context) {
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gauge.Observe(ctx, 11)
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})
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assert.NoError(t, err)
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// Observed outside of a callback, it should be ignored.
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gauge.Observe(context.Background(), 19)
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},
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want: metricdata.Metrics{
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Name: "agauge",
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Data: metricdata.Gauge[int64]{
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DataPoints: []metricdata.DataPoint[int64]{
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{Value: 11},
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},
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},
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},
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},
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{
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name: "AsyncFloat64Count",
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fn: func(t *testing.T, m metric.Meter) {
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ctr, err := m.AsyncFloat64().Counter("afloat")
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assert.NoError(t, err)
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err = m.RegisterCallback([]instrument.Asynchronous{ctr}, func(ctx context.Context) {
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ctr.Observe(ctx, 3)
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})
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assert.NoError(t, err)
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// Observed outside of a callback, it should be ignored.
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ctr.Observe(context.Background(), 19)
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},
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want: metricdata.Metrics{
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Name: "afloat",
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Data: metricdata.Sum[float64]{
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Temporality: metricdata.CumulativeTemporality,
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IsMonotonic: true,
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DataPoints: []metricdata.DataPoint[float64]{
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{Value: 3},
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},
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},
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},
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},
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{
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name: "AsyncFloat64UpDownCount",
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fn: func(t *testing.T, m metric.Meter) {
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ctr, err := m.AsyncFloat64().UpDownCounter("afloat")
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assert.NoError(t, err)
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err = m.RegisterCallback([]instrument.Asynchronous{ctr}, func(ctx context.Context) {
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ctr.Observe(ctx, 11)
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})
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assert.NoError(t, err)
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// Observed outside of a callback, it should be ignored.
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ctr.Observe(context.Background(), 19)
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},
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want: metricdata.Metrics{
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Name: "afloat",
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Data: metricdata.Sum[float64]{
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Temporality: metricdata.CumulativeTemporality,
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IsMonotonic: false,
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DataPoints: []metricdata.DataPoint[float64]{
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{Value: 11},
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},
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},
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},
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},
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{
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name: "AsyncFloat64Gauge",
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fn: func(t *testing.T, m metric.Meter) {
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gauge, err := m.AsyncFloat64().Gauge("agauge")
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assert.NoError(t, err)
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err = m.RegisterCallback([]instrument.Asynchronous{gauge}, func(ctx context.Context) {
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gauge.Observe(ctx, 11)
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})
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assert.NoError(t, err)
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// Observed outside of a callback, it should be ignored.
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gauge.Observe(context.Background(), 19)
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},
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want: metricdata.Metrics{
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Name: "agauge",
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Data: metricdata.Gauge[float64]{
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DataPoints: []metricdata.DataPoint[float64]{
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{Value: 11},
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},
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},
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},
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},
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{
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name: "SyncInt64Count",
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fn: func(t *testing.T, m metric.Meter) {
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ctr, err := m.SyncInt64().Counter("sint")
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assert.NoError(t, err)
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ctr.Add(context.Background(), 3)
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},
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want: metricdata.Metrics{
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Name: "sint",
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Data: metricdata.Sum[int64]{
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Temporality: metricdata.CumulativeTemporality,
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IsMonotonic: true,
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DataPoints: []metricdata.DataPoint[int64]{
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{Value: 3},
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},
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},
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},
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},
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{
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name: "SyncInt64UpDownCount",
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fn: func(t *testing.T, m metric.Meter) {
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ctr, err := m.SyncInt64().UpDownCounter("sint")
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assert.NoError(t, err)
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ctr.Add(context.Background(), 11)
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},
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want: metricdata.Metrics{
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Name: "sint",
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Data: metricdata.Sum[int64]{
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Temporality: metricdata.CumulativeTemporality,
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IsMonotonic: false,
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DataPoints: []metricdata.DataPoint[int64]{
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{Value: 11},
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},
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},
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},
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},
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{
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name: "SyncInt64Histogram",
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fn: func(t *testing.T, m metric.Meter) {
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gauge, err := m.SyncInt64().Histogram("histogram")
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assert.NoError(t, err)
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gauge.Record(context.Background(), 7)
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},
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want: metricdata.Metrics{
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Name: "histogram",
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Data: metricdata.Histogram{
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Temporality: metricdata.CumulativeTemporality,
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DataPoints: []metricdata.HistogramDataPoint{
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{
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Attributes: attribute.Set{},
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Count: 1,
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Bounds: []float64{0, 5, 10, 25, 50, 75, 100, 250, 500, 750, 1000, 2500, 5000, 7500, 10000},
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BucketCounts: []uint64{0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
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Min: &seven,
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Max: &seven,
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Sum: 7.0,
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},
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},
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},
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},
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},
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{
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name: "SyncFloat64Count",
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fn: func(t *testing.T, m metric.Meter) {
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ctr, err := m.SyncFloat64().Counter("sfloat")
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assert.NoError(t, err)
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ctr.Add(context.Background(), 3)
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},
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want: metricdata.Metrics{
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Name: "sfloat",
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Data: metricdata.Sum[float64]{
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Temporality: metricdata.CumulativeTemporality,
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IsMonotonic: true,
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DataPoints: []metricdata.DataPoint[float64]{
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{Value: 3},
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},
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},
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},
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},
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{
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name: "SyncFloat64UpDownCount",
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fn: func(t *testing.T, m metric.Meter) {
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ctr, err := m.SyncFloat64().UpDownCounter("sfloat")
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assert.NoError(t, err)
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ctr.Add(context.Background(), 11)
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},
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want: metricdata.Metrics{
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Name: "sfloat",
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Data: metricdata.Sum[float64]{
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Temporality: metricdata.CumulativeTemporality,
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IsMonotonic: false,
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DataPoints: []metricdata.DataPoint[float64]{
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{Value: 11},
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},
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},
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},
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},
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{
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name: "SyncFloat64Histogram",
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fn: func(t *testing.T, m metric.Meter) {
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gauge, err := m.SyncFloat64().Histogram("histogram")
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assert.NoError(t, err)
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gauge.Record(context.Background(), 7)
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},
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want: metricdata.Metrics{
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Name: "histogram",
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Data: metricdata.Histogram{
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Temporality: metricdata.CumulativeTemporality,
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DataPoints: []metricdata.HistogramDataPoint{
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{
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Attributes: attribute.Set{},
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Count: 1,
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Bounds: []float64{0, 5, 10, 25, 50, 75, 100, 250, 500, 750, 1000, 2500, 5000, 7500, 10000},
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BucketCounts: []uint64{0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
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Min: &seven,
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Max: &seven,
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Sum: 7.0,
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},
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},
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},
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},
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},
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}
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for _, tt := range testCases {
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t.Run(tt.name, func(t *testing.T) {
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rdr := NewManualReader()
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m := NewMeterProvider(WithReader(rdr)).Meter("testInstruments")
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tt.fn(t, m)
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rm, err := rdr.Collect(context.Background())
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assert.NoError(t, err)
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require.Len(t, rm.ScopeMetrics, 1)
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sm := rm.ScopeMetrics[0]
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require.Len(t, sm.Metrics, 1)
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got := sm.Metrics[0]
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metricdatatest.AssertEqual(t, tt.want, got, metricdatatest.IgnoreTimestamp())
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})
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}
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}
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func TestMetersProvideScope(t *testing.T) {
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rdr := NewManualReader()
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mp := NewMeterProvider(WithReader(rdr))
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m1 := mp.Meter("scope1")
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ctr1, err := m1.AsyncFloat64().Counter("ctr1")
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assert.NoError(t, err)
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err = m1.RegisterCallback([]instrument.Asynchronous{ctr1}, func(ctx context.Context) {
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ctr1.Observe(ctx, 5)
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})
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assert.NoError(t, err)
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m2 := mp.Meter("scope2")
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ctr2, err := m2.AsyncInt64().Counter("ctr2")
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assert.NoError(t, err)
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err = m1.RegisterCallback([]instrument.Asynchronous{ctr2}, func(ctx context.Context) {
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ctr2.Observe(ctx, 7)
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})
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assert.NoError(t, err)
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want := metricdata.ResourceMetrics{
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Resource: resource.Default(),
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ScopeMetrics: []metricdata.ScopeMetrics{
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{
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Scope: instrumentation.Scope{
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Name: "scope1",
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},
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Metrics: []metricdata.Metrics{
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{
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Name: "ctr1",
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Data: metricdata.Sum[float64]{
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Temporality: metricdata.CumulativeTemporality,
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IsMonotonic: true,
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DataPoints: []metricdata.DataPoint[float64]{
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{
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Value: 5,
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},
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},
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},
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},
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},
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},
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{
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Scope: instrumentation.Scope{
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Name: "scope2",
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},
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Metrics: []metricdata.Metrics{
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{
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Name: "ctr2",
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Data: metricdata.Sum[int64]{
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Temporality: metricdata.CumulativeTemporality,
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IsMonotonic: true,
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DataPoints: []metricdata.DataPoint[int64]{
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{
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Value: 7,
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},
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},
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},
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},
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},
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},
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},
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}
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got, err := rdr.Collect(context.Background())
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assert.NoError(t, err)
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metricdatatest.AssertEqual(t, want, got, metricdatatest.IgnoreTimestamp())
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}
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