mirror of
https://github.com/open-telemetry/opentelemetry-go.git
synced 2024-12-14 10:13:10 +02:00
4654d78104
Signed-off-by: Bogdan Drutu <bogdandrutu@gmail.com> Co-authored-by: Tyler Yahn <MrAlias@users.noreply.github.com>
797 lines
22 KiB
Go
797 lines
22 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 otlpmetric_test
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import (
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"context"
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"fmt"
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"testing"
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"time"
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"github.com/google/go-cmp/cmp"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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"google.golang.org/protobuf/testing/protocmp"
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"go.opentelemetry.io/otel/attribute"
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"go.opentelemetry.io/otel/exporters/otlp/otlpmetric"
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"go.opentelemetry.io/otel/exporters/otlp/otlpmetric/internal/metrictransform"
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"go.opentelemetry.io/otel/metric"
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"go.opentelemetry.io/otel/metric/metrictest"
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"go.opentelemetry.io/otel/metric/number"
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"go.opentelemetry.io/otel/metric/sdkapi"
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"go.opentelemetry.io/otel/sdk/instrumentation"
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"go.opentelemetry.io/otel/sdk/metric/aggregator"
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"go.opentelemetry.io/otel/sdk/metric/aggregator/histogram"
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"go.opentelemetry.io/otel/sdk/metric/aggregator/sum"
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"go.opentelemetry.io/otel/sdk/metric/export"
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"go.opentelemetry.io/otel/sdk/metric/export/aggregation"
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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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commonpb "go.opentelemetry.io/proto/otlp/common/v1"
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metricpb "go.opentelemetry.io/proto/otlp/metrics/v1"
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)
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var (
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// Timestamps used in this test:
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intervalStart = time.Now()
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intervalEnd = intervalStart.Add(time.Hour)
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)
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type stubClient struct {
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rm []*metricpb.ResourceMetrics
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}
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func (m *stubClient) Start(ctx context.Context) error {
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return nil
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}
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func (m *stubClient) Stop(ctx context.Context) error {
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return nil
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}
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func (m *stubClient) UploadMetrics(ctx context.Context, protoMetrics []*metricpb.ResourceMetrics) error {
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m.rm = append(m.rm, protoMetrics...)
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return nil
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}
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var _ otlpmetric.Client = (*stubClient)(nil)
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func (m *stubClient) Reset() {
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m.rm = nil
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}
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func newExporter(t *testing.T, opts ...otlpmetric.Option) (*otlpmetric.Exporter, *stubClient) {
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client := &stubClient{}
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exp, _ := otlpmetric.New(context.Background(), client, opts...)
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return exp, client
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}
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func startTime() uint64 {
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return uint64(intervalStart.UnixNano())
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}
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func pointTime() uint64 {
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return uint64(intervalEnd.UnixNano())
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}
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type testRecord struct {
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name string
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iKind sdkapi.InstrumentKind
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nKind number.Kind
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labels []attribute.KeyValue
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meterName string
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meterOpts []metric.MeterOption
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}
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func record(
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name string,
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iKind sdkapi.InstrumentKind,
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nKind number.Kind,
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labels []attribute.KeyValue,
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meterName string,
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meterOpts ...metric.MeterOption) testRecord {
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return testRecord{
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name: name,
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iKind: iKind,
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nKind: nKind,
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labels: labels,
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meterName: meterName,
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meterOpts: meterOpts,
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}
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}
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var (
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baseKeyValues = []attribute.KeyValue{attribute.String("host", "test.com")}
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cpuKey = attribute.Key("CPU")
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testHistogramBoundaries = []float64{2.0, 4.0, 8.0}
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cpu1Labels = []*commonpb.KeyValue{
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{
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Key: "CPU",
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Value: &commonpb.AnyValue{
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Value: &commonpb.AnyValue_IntValue{
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IntValue: 1,
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},
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},
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},
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{
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Key: "host",
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Value: &commonpb.AnyValue{
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Value: &commonpb.AnyValue_StringValue{
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StringValue: "test.com",
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},
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},
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},
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}
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cpu2Labels = []*commonpb.KeyValue{
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{
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Key: "CPU",
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Value: &commonpb.AnyValue{
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Value: &commonpb.AnyValue_IntValue{
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IntValue: 2,
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},
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},
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},
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{
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Key: "host",
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Value: &commonpb.AnyValue{
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Value: &commonpb.AnyValue_StringValue{
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StringValue: "test.com",
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},
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},
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},
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}
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testerAResource = resource.NewSchemaless(attribute.String("instance", "tester-a"))
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testerAResourcePb = metrictransform.Resource(testerAResource)
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)
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const (
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// Most of this test uses an empty instrumentation library name.
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testLibName = ""
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)
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func TestNoGroupingExport(t *testing.T) {
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runMetricExportTests(
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t,
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nil,
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resource.Empty(),
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[]testRecord{
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record(
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"int64-count",
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sdkapi.CounterInstrumentKind,
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number.Int64Kind,
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append(baseKeyValues, cpuKey.Int(1)),
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testLibName,
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),
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record(
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"int64-count",
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sdkapi.CounterInstrumentKind,
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number.Int64Kind,
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append(baseKeyValues, cpuKey.Int(2)),
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testLibName,
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),
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},
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[]*metricpb.ResourceMetrics{
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{
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Resource: nil,
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InstrumentationLibraryMetrics: []*metricpb.InstrumentationLibraryMetrics{
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{
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Metrics: []*metricpb.Metric{
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{
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Name: "int64-count",
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Data: &metricpb.Metric_Sum{
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Sum: &metricpb.Sum{
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IsMonotonic: true,
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AggregationTemporality: metricpb.AggregationTemporality_AGGREGATION_TEMPORALITY_CUMULATIVE,
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DataPoints: []*metricpb.NumberDataPoint{
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{
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Value: &metricpb.NumberDataPoint_AsInt{AsInt: 11},
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Attributes: cpu1Labels,
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StartTimeUnixNano: startTime(),
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TimeUnixNano: pointTime(),
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},
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{
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Value: &metricpb.NumberDataPoint_AsInt{AsInt: 11},
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Attributes: cpu2Labels,
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StartTimeUnixNano: startTime(),
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TimeUnixNano: pointTime(),
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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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},
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},
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)
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}
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func TestHistogramMetricGroupingExport(t *testing.T) {
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r := record(
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"histogram",
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sdkapi.HistogramInstrumentKind,
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number.Int64Kind,
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append(baseKeyValues, cpuKey.Int(1)),
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testLibName,
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)
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expected := []*metricpb.ResourceMetrics{
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{
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Resource: nil,
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InstrumentationLibraryMetrics: []*metricpb.InstrumentationLibraryMetrics{
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{
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Metrics: []*metricpb.Metric{
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{
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Name: "histogram",
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Data: &metricpb.Metric_Histogram{
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Histogram: &metricpb.Histogram{
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AggregationTemporality: metricpb.AggregationTemporality_AGGREGATION_TEMPORALITY_CUMULATIVE,
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DataPoints: []*metricpb.HistogramDataPoint{
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{
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Attributes: cpu1Labels,
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StartTimeUnixNano: startTime(),
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TimeUnixNano: pointTime(),
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Count: 2,
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Sum: 11,
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ExplicitBounds: testHistogramBoundaries,
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BucketCounts: []uint64{1, 0, 0, 1},
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},
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{
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Attributes: cpu1Labels,
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Count: 2,
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Sum: 11,
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ExplicitBounds: testHistogramBoundaries,
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BucketCounts: []uint64{1, 0, 0, 1},
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StartTimeUnixNano: startTime(),
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TimeUnixNano: pointTime(),
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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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},
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}
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runMetricExportTests(t, nil, resource.Empty(), []testRecord{r, r}, expected)
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}
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func TestCountInt64MetricGroupingExport(t *testing.T) {
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r := record(
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"int64-count",
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sdkapi.CounterInstrumentKind,
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number.Int64Kind,
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append(baseKeyValues, cpuKey.Int(1)),
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testLibName,
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)
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runMetricExportTests(
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t,
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nil,
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resource.Empty(),
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[]testRecord{r, r},
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[]*metricpb.ResourceMetrics{
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{
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Resource: nil,
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InstrumentationLibraryMetrics: []*metricpb.InstrumentationLibraryMetrics{
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{
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Metrics: []*metricpb.Metric{
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{
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Name: "int64-count",
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Data: &metricpb.Metric_Sum{
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Sum: &metricpb.Sum{
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IsMonotonic: true,
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AggregationTemporality: metricpb.AggregationTemporality_AGGREGATION_TEMPORALITY_CUMULATIVE,
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DataPoints: []*metricpb.NumberDataPoint{
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{
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Value: &metricpb.NumberDataPoint_AsInt{AsInt: 11},
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Attributes: cpu1Labels,
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StartTimeUnixNano: startTime(),
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TimeUnixNano: pointTime(),
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},
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{
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Value: &metricpb.NumberDataPoint_AsInt{AsInt: 11},
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Attributes: cpu1Labels,
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StartTimeUnixNano: startTime(),
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TimeUnixNano: pointTime(),
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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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},
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},
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)
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}
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func TestCountFloat64MetricGroupingExport(t *testing.T) {
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r := record(
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"float64-count",
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sdkapi.CounterInstrumentKind,
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number.Float64Kind,
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append(baseKeyValues, cpuKey.Int(1)),
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testLibName,
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)
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runMetricExportTests(
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t,
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nil,
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resource.Empty(),
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[]testRecord{r, r},
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[]*metricpb.ResourceMetrics{
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{
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Resource: nil,
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InstrumentationLibraryMetrics: []*metricpb.InstrumentationLibraryMetrics{
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{
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Metrics: []*metricpb.Metric{
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{
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Name: "float64-count",
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Data: &metricpb.Metric_Sum{
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Sum: &metricpb.Sum{
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IsMonotonic: true,
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AggregationTemporality: metricpb.AggregationTemporality_AGGREGATION_TEMPORALITY_CUMULATIVE,
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DataPoints: []*metricpb.NumberDataPoint{
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{
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Value: &metricpb.NumberDataPoint_AsDouble{AsDouble: 11.0},
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Attributes: cpu1Labels,
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StartTimeUnixNano: startTime(),
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TimeUnixNano: pointTime(),
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},
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{
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Value: &metricpb.NumberDataPoint_AsDouble{AsDouble: 11.0},
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Attributes: cpu1Labels,
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StartTimeUnixNano: startTime(),
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TimeUnixNano: pointTime(),
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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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},
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},
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)
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}
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func TestResourceMetricGroupingExport(t *testing.T) {
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runMetricExportTests(
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t,
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nil,
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testerAResource,
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[]testRecord{
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record(
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"int64-count",
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sdkapi.CounterInstrumentKind,
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number.Int64Kind,
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append(baseKeyValues, cpuKey.Int(1)),
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testLibName,
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),
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record(
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"int64-count",
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sdkapi.CounterInstrumentKind,
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number.Int64Kind,
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append(baseKeyValues, cpuKey.Int(1)),
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testLibName,
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),
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record(
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"int64-count",
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sdkapi.CounterInstrumentKind,
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number.Int64Kind,
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append(baseKeyValues, cpuKey.Int(2)),
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testLibName,
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),
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record(
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"int64-count",
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sdkapi.CounterInstrumentKind,
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number.Int64Kind,
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append(baseKeyValues, cpuKey.Int(1)),
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testLibName,
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),
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},
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[]*metricpb.ResourceMetrics{
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{
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Resource: testerAResourcePb,
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InstrumentationLibraryMetrics: []*metricpb.InstrumentationLibraryMetrics{
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{
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Metrics: []*metricpb.Metric{
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{
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Name: "int64-count",
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Data: &metricpb.Metric_Sum{
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Sum: &metricpb.Sum{
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IsMonotonic: true,
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AggregationTemporality: metricpb.AggregationTemporality_AGGREGATION_TEMPORALITY_CUMULATIVE,
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DataPoints: []*metricpb.NumberDataPoint{
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{
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Value: &metricpb.NumberDataPoint_AsInt{AsInt: 11},
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Attributes: cpu1Labels,
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StartTimeUnixNano: startTime(),
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TimeUnixNano: pointTime(),
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},
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{
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Value: &metricpb.NumberDataPoint_AsInt{AsInt: 11},
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Attributes: cpu1Labels,
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StartTimeUnixNano: startTime(),
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TimeUnixNano: pointTime(),
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},
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{
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Value: &metricpb.NumberDataPoint_AsInt{AsInt: 11},
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Attributes: cpu2Labels,
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StartTimeUnixNano: startTime(),
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TimeUnixNano: pointTime(),
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},
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{
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Value: &metricpb.NumberDataPoint_AsInt{AsInt: 11},
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Attributes: cpu1Labels,
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StartTimeUnixNano: startTime(),
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TimeUnixNano: pointTime(),
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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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},
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},
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)
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}
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func TestResourceInstLibMetricGroupingExport(t *testing.T) {
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version1 := metric.WithInstrumentationVersion("v1")
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version2 := metric.WithInstrumentationVersion("v2")
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specialSchema := metric.WithSchemaURL("schurl")
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summingLib := "summing-lib"
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countingLib := "counting-lib"
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runMetricExportTests(
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t,
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nil,
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testerAResource,
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[]testRecord{
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record(
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"int64-count",
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sdkapi.CounterInstrumentKind,
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number.Int64Kind,
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append(baseKeyValues, cpuKey.Int(1)),
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countingLib,
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version1,
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),
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record(
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"int64-count",
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sdkapi.CounterInstrumentKind,
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number.Int64Kind,
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append(baseKeyValues, cpuKey.Int(1)),
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countingLib,
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version2,
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),
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record(
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"int64-count",
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sdkapi.CounterInstrumentKind,
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number.Int64Kind,
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append(baseKeyValues, cpuKey.Int(1)),
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countingLib,
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version1,
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),
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record(
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"int64-count",
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sdkapi.CounterInstrumentKind,
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number.Int64Kind,
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append(baseKeyValues, cpuKey.Int(2)),
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countingLib,
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version1,
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),
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record(
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"int64-count",
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sdkapi.CounterInstrumentKind,
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number.Int64Kind,
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append(baseKeyValues, cpuKey.Int(1)),
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summingLib,
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specialSchema,
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),
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},
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[]*metricpb.ResourceMetrics{
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{
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Resource: testerAResourcePb,
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InstrumentationLibraryMetrics: []*metricpb.InstrumentationLibraryMetrics{
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{
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InstrumentationLibrary: &commonpb.InstrumentationLibrary{
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Name: "counting-lib",
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Version: "v1",
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},
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Metrics: []*metricpb.Metric{
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{
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Name: "int64-count",
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Data: &metricpb.Metric_Sum{
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Sum: &metricpb.Sum{
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IsMonotonic: true,
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AggregationTemporality: metricpb.AggregationTemporality_AGGREGATION_TEMPORALITY_CUMULATIVE,
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DataPoints: []*metricpb.NumberDataPoint{
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{
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Value: &metricpb.NumberDataPoint_AsInt{AsInt: 11},
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Attributes: cpu1Labels,
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StartTimeUnixNano: startTime(),
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TimeUnixNano: pointTime(),
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},
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{
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Value: &metricpb.NumberDataPoint_AsInt{AsInt: 11},
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Attributes: cpu1Labels,
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StartTimeUnixNano: startTime(),
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TimeUnixNano: pointTime(),
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},
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{
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Value: &metricpb.NumberDataPoint_AsInt{AsInt: 11},
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Attributes: cpu2Labels,
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StartTimeUnixNano: startTime(),
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TimeUnixNano: pointTime(),
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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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InstrumentationLibrary: &commonpb.InstrumentationLibrary{
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Name: "counting-lib",
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Version: "v2",
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},
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Metrics: []*metricpb.Metric{
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|
{
|
|
Name: "int64-count",
|
|
Data: &metricpb.Metric_Sum{
|
|
Sum: &metricpb.Sum{
|
|
IsMonotonic: true,
|
|
AggregationTemporality: metricpb.AggregationTemporality_AGGREGATION_TEMPORALITY_CUMULATIVE,
|
|
DataPoints: []*metricpb.NumberDataPoint{
|
|
{
|
|
Value: &metricpb.NumberDataPoint_AsInt{AsInt: 11},
|
|
Attributes: cpu1Labels,
|
|
StartTimeUnixNano: startTime(),
|
|
TimeUnixNano: pointTime(),
|
|
},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
{
|
|
InstrumentationLibrary: &commonpb.InstrumentationLibrary{
|
|
Name: "summing-lib",
|
|
},
|
|
SchemaUrl: "schurl",
|
|
Metrics: []*metricpb.Metric{
|
|
{
|
|
Name: "int64-count",
|
|
Data: &metricpb.Metric_Sum{
|
|
Sum: &metricpb.Sum{
|
|
IsMonotonic: true,
|
|
AggregationTemporality: metricpb.AggregationTemporality_AGGREGATION_TEMPORALITY_CUMULATIVE,
|
|
DataPoints: []*metricpb.NumberDataPoint{
|
|
{
|
|
Value: &metricpb.NumberDataPoint_AsInt{AsInt: 11},
|
|
Attributes: cpu1Labels,
|
|
StartTimeUnixNano: startTime(),
|
|
TimeUnixNano: pointTime(),
|
|
},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
)
|
|
}
|
|
|
|
func TestStatelessAggregationTemporality(t *testing.T) {
|
|
type testcase struct {
|
|
name string
|
|
instrumentKind sdkapi.InstrumentKind
|
|
aggTemporality metricpb.AggregationTemporality
|
|
monotonic bool
|
|
}
|
|
|
|
for _, k := range []testcase{
|
|
{"counter", sdkapi.CounterInstrumentKind, metricpb.AggregationTemporality_AGGREGATION_TEMPORALITY_DELTA, true},
|
|
{"updowncounter", sdkapi.UpDownCounterInstrumentKind, metricpb.AggregationTemporality_AGGREGATION_TEMPORALITY_DELTA, false},
|
|
{"counterobserver", sdkapi.CounterObserverInstrumentKind, metricpb.AggregationTemporality_AGGREGATION_TEMPORALITY_CUMULATIVE, true},
|
|
{"updowncounterobserver", sdkapi.UpDownCounterObserverInstrumentKind, metricpb.AggregationTemporality_AGGREGATION_TEMPORALITY_CUMULATIVE, false},
|
|
} {
|
|
t.Run(k.name, func(t *testing.T) {
|
|
runMetricExportTests(
|
|
t,
|
|
[]otlpmetric.Option{
|
|
otlpmetric.WithMetricAggregationTemporalitySelector(
|
|
aggregation.StatelessTemporalitySelector(),
|
|
),
|
|
},
|
|
testerAResource,
|
|
[]testRecord{
|
|
record(
|
|
"instrument",
|
|
k.instrumentKind,
|
|
number.Int64Kind,
|
|
append(baseKeyValues, cpuKey.Int(1)),
|
|
testLibName,
|
|
),
|
|
},
|
|
[]*metricpb.ResourceMetrics{
|
|
{
|
|
Resource: testerAResourcePb,
|
|
InstrumentationLibraryMetrics: []*metricpb.InstrumentationLibraryMetrics{
|
|
{
|
|
Metrics: []*metricpb.Metric{
|
|
{
|
|
Name: "instrument",
|
|
Data: &metricpb.Metric_Sum{
|
|
Sum: &metricpb.Sum{
|
|
IsMonotonic: k.monotonic,
|
|
AggregationTemporality: k.aggTemporality,
|
|
DataPoints: []*metricpb.NumberDataPoint{
|
|
{
|
|
Value: &metricpb.NumberDataPoint_AsInt{AsInt: 11},
|
|
Attributes: cpu1Labels,
|
|
StartTimeUnixNano: startTime(),
|
|
TimeUnixNano: pointTime(),
|
|
},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
)
|
|
})
|
|
}
|
|
}
|
|
|
|
func runMetricExportTests(t *testing.T, opts []otlpmetric.Option, res *resource.Resource, records []testRecord, expected []*metricpb.ResourceMetrics) {
|
|
exp, driver := newExporter(t, opts...)
|
|
|
|
libraryRecs := map[instrumentation.Library][]export.Record{}
|
|
for _, r := range records {
|
|
lcopy := make([]attribute.KeyValue, len(r.labels))
|
|
copy(lcopy, r.labels)
|
|
desc := metrictest.NewDescriptor(r.name, r.iKind, r.nKind)
|
|
labs := attribute.NewSet(lcopy...)
|
|
|
|
var agg, ckpt aggregator.Aggregator
|
|
if r.iKind.Adding() {
|
|
sums := sum.New(2)
|
|
agg, ckpt = &sums[0], &sums[1]
|
|
} else {
|
|
histos := histogram.New(2, &desc, histogram.WithExplicitBoundaries(testHistogramBoundaries))
|
|
agg, ckpt = &histos[0], &histos[1]
|
|
}
|
|
|
|
ctx := context.Background()
|
|
if r.iKind.Synchronous() {
|
|
// For synchronous instruments, perform two updates: 1 and 10
|
|
switch r.nKind {
|
|
case number.Int64Kind:
|
|
require.NoError(t, agg.Update(ctx, number.NewInt64Number(1), &desc))
|
|
require.NoError(t, agg.Update(ctx, number.NewInt64Number(10), &desc))
|
|
case number.Float64Kind:
|
|
require.NoError(t, agg.Update(ctx, number.NewFloat64Number(1), &desc))
|
|
require.NoError(t, agg.Update(ctx, number.NewFloat64Number(10), &desc))
|
|
default:
|
|
t.Fatalf("invalid number kind: %v", r.nKind)
|
|
}
|
|
} else {
|
|
// For asynchronous instruments, perform a single update: 11
|
|
switch r.nKind {
|
|
case number.Int64Kind:
|
|
require.NoError(t, agg.Update(ctx, number.NewInt64Number(11), &desc))
|
|
case number.Float64Kind:
|
|
require.NoError(t, agg.Update(ctx, number.NewFloat64Number(11), &desc))
|
|
default:
|
|
t.Fatalf("invalid number kind: %v", r.nKind)
|
|
}
|
|
}
|
|
require.NoError(t, agg.SynchronizedMove(ckpt, &desc))
|
|
|
|
meterCfg := metric.NewMeterConfig(r.meterOpts...)
|
|
lib := instrumentation.Library{
|
|
Name: r.meterName,
|
|
Version: meterCfg.InstrumentationVersion(),
|
|
SchemaURL: meterCfg.SchemaURL(),
|
|
}
|
|
libraryRecs[lib] = append(libraryRecs[lib], export.NewRecord(&desc, &labs, ckpt.Aggregation(), intervalStart, intervalEnd))
|
|
}
|
|
assert.NoError(t, exp.Export(context.Background(), res, processortest.MultiInstrumentationLibraryReader(libraryRecs)))
|
|
|
|
// assert.ElementsMatch does not equate nested slices of different order,
|
|
// therefore this requires the top level slice to be broken down.
|
|
// Build a map of Resource/InstrumentationLibrary pairs to Metrics, from
|
|
// that validate the metric elements match for all expected pairs. Finally,
|
|
// make we saw all expected pairs.
|
|
keyFor := func(ilm *metricpb.InstrumentationLibraryMetrics) string {
|
|
return fmt.Sprintf("%s/%s/%s", ilm.GetInstrumentationLibrary().GetName(), ilm.GetInstrumentationLibrary().GetVersion(), ilm.GetSchemaUrl())
|
|
}
|
|
got := map[string][]*metricpb.Metric{}
|
|
for _, rm := range driver.rm {
|
|
for _, ilm := range rm.InstrumentationLibraryMetrics {
|
|
k := keyFor(ilm)
|
|
got[k] = append(got[k], ilm.GetMetrics()...)
|
|
}
|
|
}
|
|
|
|
seen := map[string]struct{}{}
|
|
for _, rm := range expected {
|
|
for _, ilm := range rm.InstrumentationLibraryMetrics {
|
|
k := keyFor(ilm)
|
|
seen[k] = struct{}{}
|
|
g, ok := got[k]
|
|
if !ok {
|
|
t.Errorf("missing metrics for:\n\tInstrumentationLibrary: %q\n", k)
|
|
continue
|
|
}
|
|
if !assert.Len(t, g, len(ilm.GetMetrics())) {
|
|
continue
|
|
}
|
|
for i, expected := range ilm.GetMetrics() {
|
|
assert.Equal(t, "", cmp.Diff(expected, g[i], protocmp.Transform()))
|
|
}
|
|
}
|
|
}
|
|
for k := range got {
|
|
if _, ok := seen[k]; !ok {
|
|
t.Errorf("did not expect metrics for:\n\tInstrumentationLibrary: %s\n", k)
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestEmptyMetricExport(t *testing.T) {
|
|
exp, driver := newExporter(t)
|
|
|
|
for _, test := range []struct {
|
|
records []export.Record
|
|
want []*metricpb.ResourceMetrics
|
|
}{
|
|
{
|
|
[]export.Record(nil),
|
|
[]*metricpb.ResourceMetrics(nil),
|
|
},
|
|
{
|
|
[]export.Record{},
|
|
[]*metricpb.ResourceMetrics(nil),
|
|
},
|
|
} {
|
|
driver.Reset()
|
|
require.NoError(t, exp.Export(context.Background(), resource.Empty(), processortest.MultiInstrumentationLibraryReader(map[instrumentation.Library][]export.Record{
|
|
{
|
|
Name: testLibName,
|
|
}: test.records,
|
|
})))
|
|
assert.Equal(t, test.want, driver.rm)
|
|
}
|
|
}
|