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metrics_test.go
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metrics_test.go
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// Copyright 2019, OpenCensus 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 stackdriver
import (
"context"
"fmt"
"strings"
"testing"
"github.com/golang/protobuf/ptypes/any"
"github.com/golang/protobuf/ptypes/timestamp"
"google.golang.org/protobuf/proto"
distributionpb "google.golang.org/genproto/googleapis/api/distribution"
labelpb "google.golang.org/genproto/googleapis/api/label"
googlemetricpb "google.golang.org/genproto/googleapis/api/metric"
monitoredrespb "google.golang.org/genproto/googleapis/api/monitoredres"
monitoringpb "google.golang.org/genproto/googleapis/monitoring/v3"
"github.com/launchdarkly/opencensus-go-exporter-stackdriver/monitoredresource"
"go.opencensus.io/metric/metricdata"
"go.opencensus.io/resource"
"go.opencensus.io/trace"
)
var se = &statsExporter{
o: Options{ProjectID: "foo"},
}
func TestMetricResourceToMonitoringResource(t *testing.T) {
tests := []struct {
in *resource.Resource
want *monitoredrespb.MonitoredResource
}{
{in: nil, want: &monitoredrespb.MonitoredResource{Type: "global"}},
{in: &resource.Resource{}, want: &monitoredrespb.MonitoredResource{Type: "global"}},
{
in: &resource.Resource{
Type: "foo",
},
want: &monitoredrespb.MonitoredResource{
Type: "foo",
},
},
{
in: &resource.Resource{
Type: "foo",
Labels: map[string]string{},
},
want: &monitoredrespb.MonitoredResource{
Type: "foo",
Labels: map[string]string{},
},
},
{
in: &resource.Resource{
Type: "foo",
Labels: map[string]string{"a": "A"},
},
want: &monitoredrespb.MonitoredResource{
Type: "foo",
Labels: map[string]string{"a": "A"},
},
},
}
for i, tt := range tests {
got := se.metricRscToMpbRsc(tt.in)
if diff := cmpResource(got, tt.want); diff != "" {
t.Fatalf("Test %d failed. Unexpected Resource -got +want: %s", i, diff)
}
}
}
func TestMetricToCreateTimeSeriesRequest(t *testing.T) {
startTimestamp := ×tamp.Timestamp{
Seconds: 1543160298,
Nanos: 100000090,
}
startTime := startTimestamp.AsTime()
endTimestamp := ×tamp.Timestamp{
Seconds: 1543160298,
Nanos: 101000090,
}
endTime := endTimestamp.AsTime()
// TODO:[rghetia] add test for built-in metrics.
tests := []struct {
in *metricdata.Metric
want []*monitoringpb.CreateTimeSeriesRequest
wantErr string
}{
{
in: &metricdata.Metric{
Descriptor: metricdata.Descriptor{
Name: "with_metric_descriptor",
Description: "This is a test",
Unit: metricdata.UnitBytes,
Type: metricdata.TypeGaugeDistribution,
},
Resource: nil,
TimeSeries: []*metricdata.TimeSeries{
{
StartTime: startTime,
Points: []metricdata.Point{
{
Time: endTime,
Value: &metricdata.Distribution{
Count: 1,
Sum: 11.9,
SumOfSquaredDeviation: 0,
Buckets: []metricdata.Bucket{
{
Count: 1,
Exemplar: &metricdata.Exemplar{Value: 11.9, Timestamp: startTime, Attachments: map[string]interface{}{"key": "value"}},
},
{}, {}, {},
},
BucketOptions: &metricdata.BucketOptions{
Bounds: []float64{10, 20, 30, 40},
},
},
},
},
},
},
},
want: []*monitoringpb.CreateTimeSeriesRequest{
{
Name: "projects/foo",
TimeSeries: []*monitoringpb.TimeSeries{
{
Metric: &googlemetricpb.Metric{
Type: "custom.googleapis.com/opencensus/with_metric_descriptor",
Labels: nil,
},
Resource: &monitoredrespb.MonitoredResource{
Type: "global",
},
Points: []*monitoringpb.Point{
{
Interval: &monitoringpb.TimeInterval{
EndTime: endTimestamp,
},
Value: &monitoringpb.TypedValue{
Value: &monitoringpb.TypedValue_DistributionValue{
DistributionValue: &distributionpb.Distribution{
Count: 1,
Mean: 11.9,
SumOfSquaredDeviation: 0,
BucketCounts: []int64{0, 1, 0, 0, 0},
BucketOptions: &distributionpb.Distribution_BucketOptions{
Options: &distributionpb.Distribution_BucketOptions_ExplicitBuckets{
ExplicitBuckets: &distributionpb.Distribution_BucketOptions_Explicit{
Bounds: []float64{0, 10, 20, 30, 40},
},
},
},
Exemplars: []*distributionpb.Distribution_Exemplar{
{
Value: 11.9,
Timestamp: startTimestamp,
Attachments: []*any.Any{
{
TypeUrl: exemplarAttachmentTypeString,
Value: []byte("value"),
},
},
},
},
},
},
},
},
},
},
},
},
},
},
{
in: &metricdata.Metric{
Descriptor: metricdata.Descriptor{
Name: "with_metric_descriptor",
Description: "This is a test",
Unit: metricdata.UnitBytes,
Type: metricdata.TypeCumulativeDistribution,
},
Resource: nil,
TimeSeries: []*metricdata.TimeSeries{
{
StartTime: startTime,
Points: []metricdata.Point{
{
Time: endTime,
Value: &metricdata.Distribution{
Count: 1,
Sum: 11.9,
SumOfSquaredDeviation: 0,
Buckets: []metricdata.Bucket{
{Count: 1}, {}, {}, {},
},
BucketOptions: &metricdata.BucketOptions{
Bounds: []float64{10, 20, 30, 40},
},
},
},
},
},
},
},
want: []*monitoringpb.CreateTimeSeriesRequest{
{
Name: "projects/foo",
TimeSeries: []*monitoringpb.TimeSeries{
{
Metric: &googlemetricpb.Metric{
Type: "custom.googleapis.com/opencensus/with_metric_descriptor",
Labels: nil,
},
Resource: &monitoredrespb.MonitoredResource{
Type: "global",
},
Points: []*monitoringpb.Point{
{
Interval: &monitoringpb.TimeInterval{
StartTime: startTimestamp,
EndTime: endTimestamp,
},
Value: &monitoringpb.TypedValue{
Value: &monitoringpb.TypedValue_DistributionValue{
DistributionValue: &distributionpb.Distribution{
Count: 1,
Mean: 11.9,
SumOfSquaredDeviation: 0,
BucketCounts: []int64{0, 1, 0, 0, 0},
BucketOptions: &distributionpb.Distribution_BucketOptions{
Options: &distributionpb.Distribution_BucketOptions_ExplicitBuckets{
ExplicitBuckets: &distributionpb.Distribution_BucketOptions_Explicit{
Bounds: []float64{0, 10, 20, 30, 40},
},
},
},
},
},
},
},
},
},
},
},
},
},
}
for i, tt := range tests {
tsl, err := se.metricToMpbTs(context.Background(), tt.in)
if tt.wantErr != "" {
if err == nil || !strings.Contains(err.Error(), tt.wantErr) {
t.Errorf("#%d: unmatched error. Got\n\t%v\nWant\n\t%v", i, err, tt.wantErr)
}
continue
}
if err != nil {
t.Errorf("#%d: unexpected error: %v", i, err)
continue
}
got := se.combineTimeSeriesToCreateTimeSeriesRequest(tsl)
// Our saving grace is serialization equality since some
// unexported fields could be present in the various values.
if diff := cmpTSReqs(got, tt.want); diff != "" {
t.Fatalf("Test %d failed. Unexpected CreateTimeSeriesRequests -got +want: %s", i, diff)
}
}
}
func TestMetricDescriptorToMonitoringMetricDescriptor(t *testing.T) {
tests := []struct {
in *metricdata.Metric
want *googlemetricpb.MetricDescriptor
wantErr string
}{
{in: nil, wantErr: "non-nil metric"},
{
in: &metricdata.Metric{},
want: &googlemetricpb.MetricDescriptor{
Name: "projects/foo/metricDescriptors/custom.googleapis.com/opencensus",
Type: "custom.googleapis.com/opencensus",
Labels: []*labelpb.LabelDescriptor{},
DisplayName: "OpenCensus",
MetricKind: googlemetricpb.MetricDescriptor_GAUGE,
ValueType: googlemetricpb.MetricDescriptor_INT64,
},
},
{
in: &metricdata.Metric{
Descriptor: metricdata.Descriptor{
Name: "with_metric_descriptor",
Description: "This is with metric descriptor",
Unit: metricdata.UnitBytes,
Type: metricdata.TypeCumulativeInt64,
},
},
want: &googlemetricpb.MetricDescriptor{
Name: "projects/foo/metricDescriptors/custom.googleapis.com/opencensus/with_metric_descriptor",
Type: "custom.googleapis.com/opencensus/with_metric_descriptor",
Labels: []*labelpb.LabelDescriptor{},
DisplayName: "OpenCensus/with_metric_descriptor",
Description: "This is with metric descriptor",
Unit: "By",
MetricKind: googlemetricpb.MetricDescriptor_CUMULATIVE,
ValueType: googlemetricpb.MetricDescriptor_INT64,
},
},
}
for i, tt := range tests {
got, err := se.metricToMpbMetricDescriptor(tt.in)
if tt.wantErr != "" {
if err == nil || !strings.Contains(err.Error(), tt.wantErr) {
t.Errorf("#%d: \nGot %v\nWanted error substring %q", i, err, tt.wantErr)
}
continue
}
if err != nil {
t.Errorf("#%d: Unexpected error: %v", i, err)
continue
}
// Our saving grace is serialization equality since some
// unexported fields could be present in the various values.
if diff := cmpMD(got, tt.want); diff != "" {
t.Fatalf("Test %d failed. Unexpected MetricDescriptor -got +want: %s", i, diff)
}
}
}
func TestMetricTypeToMonitoringMetricKind(t *testing.T) {
tests := []struct {
in metricdata.Type
wantKind googlemetricpb.MetricDescriptor_MetricKind
wantValueType googlemetricpb.MetricDescriptor_ValueType
wantErr string
}{
{
in: metricdata.TypeCumulativeInt64,
wantKind: googlemetricpb.MetricDescriptor_CUMULATIVE,
wantValueType: googlemetricpb.MetricDescriptor_INT64,
},
{
in: metricdata.TypeCumulativeFloat64,
wantKind: googlemetricpb.MetricDescriptor_CUMULATIVE,
wantValueType: googlemetricpb.MetricDescriptor_DOUBLE,
},
{
in: metricdata.TypeGaugeInt64,
wantKind: googlemetricpb.MetricDescriptor_GAUGE,
wantValueType: googlemetricpb.MetricDescriptor_INT64,
},
{
in: metricdata.TypeGaugeFloat64,
wantKind: googlemetricpb.MetricDescriptor_GAUGE,
wantValueType: googlemetricpb.MetricDescriptor_DOUBLE,
},
{
in: metricdata.TypeCumulativeDistribution,
wantKind: googlemetricpb.MetricDescriptor_CUMULATIVE,
wantValueType: googlemetricpb.MetricDescriptor_DISTRIBUTION,
},
{
in: metricdata.TypeGaugeDistribution,
wantKind: googlemetricpb.MetricDescriptor_GAUGE,
wantValueType: googlemetricpb.MetricDescriptor_DISTRIBUTION,
},
{
in: metricdata.TypeSummary,
wantKind: googlemetricpb.MetricDescriptor_METRIC_KIND_UNSPECIFIED,
wantValueType: googlemetricpb.MetricDescriptor_VALUE_TYPE_UNSPECIFIED,
},
}
for i, tt := range tests {
md := &metricdata.Metric{
Descriptor: metricdata.Descriptor{
Name: "with_metric_descriptor",
Description: "This is with metric descriptor",
Unit: metricdata.UnitBytes,
Type: tt.in,
},
}
got, err := se.metricToMpbMetricDescriptor(md)
if tt.wantErr != "" {
if err == nil || !strings.Contains(err.Error(), tt.wantErr) {
t.Errorf("#%d: \nGot %v\nWanted error substring %q", i, err, tt.wantErr)
}
continue
}
if err != nil {
t.Errorf("#%d: Unexpected error: %v", i, err)
continue
}
if got.MetricKind != tt.wantKind {
t.Errorf("got %d, want %d\n", got.MetricKind, tt.wantKind)
}
if got.ValueType != tt.wantValueType {
t.Errorf("got %d, want %d\n", got.ValueType, tt.wantValueType)
}
}
}
func TestMetricsToMonitoringMetrics_fromProtoPoint(t *testing.T) {
startTimestamp := ×tamp.Timestamp{
Seconds: 1543160298,
Nanos: 100000090,
}
startTime := startTimestamp.AsTime()
endTimestamp := ×tamp.Timestamp{
Seconds: 1543160298,
Nanos: 101000090,
}
endTime := endTimestamp.AsTime()
traceID := trace.TraceID{1, 2, 3, 4, 5, 6, 7, 8, 1, 2, 4, 8, 16, 32, 64, 128}
spanID := trace.SpanID{1, 2, 4, 8, 16, 32, 64, 128}
spanCtx := trace.SpanContext{
TraceID: traceID,
SpanID: spanID,
TraceOptions: 1,
}
wantSpanCtxBytes, _ := proto.Marshal(&monitoringpb.SpanContext{SpanName: fmt.Sprintf("projects/foo/traces/%s/spans/%s", traceID.String(), spanID.String())})
tests := []struct {
in *metricdata.Point
want *monitoringpb.Point
wantErr string
}{
{
in: &metricdata.Point{
Time: endTime,
Value: &metricdata.Distribution{
Count: 1,
Sum: 11.9,
SumOfSquaredDeviation: 0,
Buckets: []metricdata.Bucket{
{},
{
Count: 1,
Exemplar: &metricdata.Exemplar{Value: 11.9, Timestamp: startTime, Attachments: map[string]interface{}{"SpanContext": spanCtx}}},
{},
{},
{},
},
BucketOptions: &metricdata.BucketOptions{
Bounds: []float64{0, 10, 20, 30, 40},
},
},
},
want: &monitoringpb.Point{
Interval: &monitoringpb.TimeInterval{
StartTime: startTimestamp,
EndTime: endTimestamp,
},
Value: &monitoringpb.TypedValue{
Value: &monitoringpb.TypedValue_DistributionValue{
DistributionValue: &distributionpb.Distribution{
Count: 1,
Mean: 11.9,
SumOfSquaredDeviation: 0,
BucketCounts: []int64{0, 1, 0, 0, 0},
BucketOptions: &distributionpb.Distribution_BucketOptions{
Options: &distributionpb.Distribution_BucketOptions_ExplicitBuckets{
ExplicitBuckets: &distributionpb.Distribution_BucketOptions_Explicit{
Bounds: []float64{0, 10, 20, 30, 40},
},
},
},
Exemplars: []*distributionpb.Distribution_Exemplar{
{
Value: 11.9,
Timestamp: startTimestamp,
Attachments: []*any.Any{
{
TypeUrl: exemplarAttachmentTypeSpanCtx,
Value: wantSpanCtxBytes,
},
},
},
},
},
},
},
},
},
{
in: &metricdata.Point{
Time: endTime,
Value: float64(50.0),
},
want: &monitoringpb.Point{
Interval: &monitoringpb.TimeInterval{
StartTime: startTimestamp,
EndTime: endTimestamp,
},
Value: &monitoringpb.TypedValue{
Value: &monitoringpb.TypedValue_DoubleValue{DoubleValue: 50},
},
},
},
{
in: &metricdata.Point{
Time: endTime,
Value: int64(17),
},
want: &monitoringpb.Point{
Interval: &monitoringpb.TimeInterval{
StartTime: startTimestamp,
EndTime: endTimestamp,
},
Value: &monitoringpb.TypedValue{
Value: &monitoringpb.TypedValue_Int64Value{Int64Value: 17},
},
},
},
}
for i, tt := range tests {
mpt, err := metricPointToMpbPoint(startTimestamp, tt.in, "foo")
if tt.wantErr != "" {
continue
}
if err != nil {
t.Errorf("#%d: unexpected error: %v", i, err)
continue
}
// Our saving grace is serialization equality since some
// unexported fields could be present in the various values.
if diff := cmpPoint(mpt, tt.want); diff != "" {
t.Fatalf("Test %d failed. Unexpected Point -got +want: %s", i, diff)
}
}
}
func TestResourceByDescriptor(t *testing.T) {
startTimestamp := ×tamp.Timestamp{
Seconds: 1543160298,
Nanos: 100000090,
}
startTime := startTimestamp.AsTime()
endTimestamp := ×tamp.Timestamp{
Seconds: 1543160298,
Nanos: 101000090,
}
endTime := endTimestamp.AsTime()
tests := []struct {
in *metricdata.Metric
want []*monitoringpb.CreateTimeSeriesRequest
wantErr string
}{
{
in: &metricdata.Metric{
Descriptor: metricdata.Descriptor{
Name: "custom_resource_one",
Description: "This is a test",
Unit: metricdata.UnitBytes,
Type: metricdata.TypeCumulativeInt64,
LabelKeys: []metricdata.LabelKey{
{
Key: "k11",
},
{
Key: "k12",
},
},
},
Resource: nil,
TimeSeries: []*metricdata.TimeSeries{
{
StartTime: startTime,
Points: []metricdata.Point{
{
Time: endTime,
Value: int64(5),
},
},
LabelValues: []metricdata.LabelValue{
{
Present: true,
Value: "v11",
},
{
Present: true,
Value: "v12",
},
},
},
},
},
want: []*monitoringpb.CreateTimeSeriesRequest{
{
Name: "projects/foo",
TimeSeries: []*monitoringpb.TimeSeries{
{
Metric: &googlemetricpb.Metric{
Type: "custom.googleapis.com/opencensus/custom_resource_one",
Labels: map[string]string{
"k12": "v12",
},
},
Resource: &monitoredrespb.MonitoredResource{
Type: "one",
Labels: map[string]string{
"k11": "v11",
},
},
Points: []*monitoringpb.Point{
{
Interval: &monitoringpb.TimeInterval{
StartTime: startTimestamp,
EndTime: endTimestamp,
},
Value: &monitoringpb.TypedValue{
Value: &monitoringpb.TypedValue_Int64Value{
Int64Value: 5,
},
},
},
},
},
},
},
},
},
{
in: &metricdata.Metric{
Descriptor: metricdata.Descriptor{
Name: "custom_resource_one",
Description: "This is a test when resource labels are not present",
Unit: metricdata.UnitBytes,
Type: metricdata.TypeCumulativeInt64,
LabelKeys: []metricdata.LabelKey{
{
Key: "k11",
},
{
Key: "k12",
},
},
},
Resource: nil,
TimeSeries: []*metricdata.TimeSeries{
{
StartTime: startTime,
Points: []metricdata.Point{
{
Time: endTime,
Value: int64(5),
},
},
LabelValues: []metricdata.LabelValue{
{
Present: false,
Value: "v11",
},
{
Present: true,
Value: "v12",
},
},
},
},
},
want: []*monitoringpb.CreateTimeSeriesRequest{
{
Name: "projects/foo",
TimeSeries: []*monitoringpb.TimeSeries{
{
Metric: &googlemetricpb.Metric{
Type: "custom.googleapis.com/opencensus/custom_resource_one",
Labels: map[string]string{
"k12": "v12",
},
},
Resource: &monitoredrespb.MonitoredResource{
Type: "one",
Labels: map[string]string{
"k11": "",
},
},
Points: []*monitoringpb.Point{
{
Interval: &monitoringpb.TimeInterval{
StartTime: startTimestamp,
EndTime: endTimestamp,
},
Value: &monitoringpb.TypedValue{
Value: &monitoringpb.TypedValue_Int64Value{
Int64Value: 5,
},
},
},
},
},
},
},
},
},
{
in: &metricdata.Metric{
Descriptor: metricdata.Descriptor{
Name: "custom_resource_one",
Description: "This is a test when metric labels are not present",
Unit: metricdata.UnitBytes,
Type: metricdata.TypeCumulativeInt64,
LabelKeys: []metricdata.LabelKey{
{
Key: "k11",
},
{
Key: "k12",
},
},
},
Resource: nil,
TimeSeries: []*metricdata.TimeSeries{
{
StartTime: startTime,
Points: []metricdata.Point{
{
Time: endTime,
Value: int64(5),
},
},
LabelValues: []metricdata.LabelValue{
{
Present: true,
Value: "v11",
},
{
Present: false,
Value: "v12",
},
},
},
},
},
want: []*monitoringpb.CreateTimeSeriesRequest{
{
Name: "projects/foo",
TimeSeries: []*monitoringpb.TimeSeries{
{
Metric: &googlemetricpb.Metric{
Type: "custom.googleapis.com/opencensus/custom_resource_one",
Labels: map[string]string{},
},
Resource: &monitoredrespb.MonitoredResource{
Type: "one",
Labels: map[string]string{
"k11": "v11",
},
},
Points: []*monitoringpb.Point{
{
Interval: &monitoringpb.TimeInterval{
StartTime: startTimestamp,
EndTime: endTimestamp,
},
Value: &monitoringpb.TypedValue{
Value: &monitoringpb.TypedValue_Int64Value{
Int64Value: 5,
},
},
},
},
},
},
},
},
},
{
in: &metricdata.Metric{
Descriptor: metricdata.Descriptor{
Name: "custom_resource_two",
Description: "This is a test",
Unit: metricdata.UnitBytes,
Type: metricdata.TypeCumulativeInt64,
LabelKeys: []metricdata.LabelKey{
{
Key: "k21",
},
{
Key: "k22",
},
},
},
Resource: nil,
TimeSeries: []*metricdata.TimeSeries{
{
StartTime: startTime,
Points: []metricdata.Point{
{
Time: endTime,
Value: int64(5),
},
},
LabelValues: []metricdata.LabelValue{
{
Present: true,
Value: "v21",
},
{
Present: true,
Value: "v22",
},
},
},
},
},
want: []*monitoringpb.CreateTimeSeriesRequest{
{
Name: "projects/foo",
TimeSeries: []*monitoringpb.TimeSeries{
{
Metric: &googlemetricpb.Metric{
Type: "custom.googleapis.com/opencensus/custom_resource_two",
Labels: map[string]string{
"k21": "v21",
},
},
Resource: &monitoredrespb.MonitoredResource{
Type: "two",
Labels: map[string]string{
"k22": "v22",
},
},
Points: []*monitoringpb.Point{
{
Interval: &monitoringpb.TimeInterval{
StartTime: startTimestamp,
EndTime: endTimestamp,
},
Value: &monitoringpb.TypedValue{
Value: &monitoringpb.TypedValue_Int64Value{
Int64Value: 5,
},
},
},
},
},
},
},
},
},
{
in: &metricdata.Metric{
Descriptor: metricdata.Descriptor{
Name: "custom_resource_other",
Description: "This is a test",
Unit: metricdata.UnitBytes,
Type: metricdata.TypeCumulativeInt64,
LabelKeys: []metricdata.LabelKey{
{
Key: "k31",
},
{
Key: "k32",
},
},
},
Resource: nil,
TimeSeries: []*metricdata.TimeSeries{
{
StartTime: startTime,
Points: []metricdata.Point{
{
Time: endTime,
Value: int64(5),
},
},
LabelValues: []metricdata.LabelValue{
{
Present: true,
Value: "v31",
},
{
Present: true,
Value: "v32",
},
},
},
},
},
want: []*monitoringpb.CreateTimeSeriesRequest{
{
Name: "projects/foo",
TimeSeries: []*monitoringpb.TimeSeries{
{
Metric: &googlemetricpb.Metric{
Type: "custom.googleapis.com/opencensus/custom_resource_other",
Labels: map[string]string{
"k31": "v31",
"k32": "v32",
},
},
Resource: &monitoredrespb.MonitoredResource{
Type: "global",
},
Points: []*monitoringpb.Point{
{
Interval: &monitoringpb.TimeInterval{
StartTime: startTimestamp,
EndTime: endTimestamp,
},
Value: &monitoringpb.TypedValue{
Value: &monitoringpb.TypedValue_Int64Value{
Int64Value: 5,
},
},
},
},
},
},
},
},
},
}
var se = &statsExporter{
o: Options{
ProjectID: "foo",
ResourceByDescriptor: getResourceByDescriptor,
},
}
for i, tt := range tests {
tsl, err := se.metricToMpbTs(context.Background(), tt.in)
if tt.wantErr != "" {
if err == nil || !strings.Contains(err.Error(), tt.wantErr) {
t.Errorf("#%d: unmatched error. Got\n\t%v\nWant\n\t%v", i, err, tt.wantErr)
}
continue
}
if err != nil {
t.Errorf("#%d: unexpected error: %v", i, err)
continue
}
got := se.combineTimeSeriesToCreateTimeSeriesRequest(tsl)
// Our saving grace is serialization equality since some
// unexported fields could be present in the various values.
if diff := cmpTSReqs(got, tt.want); diff != "" {
t.Fatalf("Test %d failed. Unexpected CreateTimeSeriesRequests -got +want: %s", i, diff)
}
}
}
type customResource struct {
rt string
rm map[string]string
}
var _ monitoredresource.Interface = (*customResource)(nil)
func (cr *customResource) MonitoredResource() (resType string, labels map[string]string) {
return cr.rt, cr.rm
}
var crEmpty = &customResource{rt: ""}
func getResourceByDescriptor(md *metricdata.Descriptor, labels map[string]string) (map[string]string, monitoredresource.Interface) {
switch md.Name {
case "custom_resource_one":
cr := &customResource{
rt: "one",
rm: map[string]string{
"k11": labels["k11"],
},
}
newLabels := removeLabel(labels, cr.rm)
return newLabels, cr