opentelemetry-collector/exporter/exporterhelper/traces_test.go

266 lines
10 KiB
Go

// Copyright The OpenTelemetry Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package exporterhelper
import (
"context"
"errors"
"testing"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"go.opentelemetry.io/otel"
"go.opentelemetry.io/otel/attribute"
sdktrace "go.opentelemetry.io/otel/sdk/trace"
"go.opentelemetry.io/otel/sdk/trace/tracetest"
"go.opentelemetry.io/otel/trace"
"go.opentelemetry.io/collector/component"
"go.opentelemetry.io/collector/component/componenttest"
"go.opentelemetry.io/collector/config"
"go.opentelemetry.io/collector/consumer"
"go.opentelemetry.io/collector/consumer/consumererror"
"go.opentelemetry.io/collector/internal/obsreportconfig/obsmetrics"
"go.opentelemetry.io/collector/internal/testdata"
"go.opentelemetry.io/collector/obsreport/obsreporttest"
"go.opentelemetry.io/collector/pdata/ptrace"
)
const (
fakeTraceParentSpanName = "fake_trace_parent_span_name"
)
var (
fakeTracesExporterName = component.NewIDWithName("fake_traces_exporter", "with_name")
fakeTracesExporterConfig = config.NewExporterSettings(fakeTracesExporterName)
)
func TestTracesRequest(t *testing.T) {
mr := newTracesRequest(context.Background(), testdata.GenerateTraces(1), nil)
traceErr := consumererror.NewTraces(errors.New("some error"), ptrace.NewTraces())
assert.EqualValues(t, newTracesRequest(context.Background(), ptrace.NewTraces(), nil), mr.OnError(traceErr))
}
func TestTracesExporter_InvalidName(t *testing.T) {
te, err := NewTracesExporter(context.Background(), componenttest.NewNopExporterCreateSettings(), nil, newTraceDataPusher(nil))
require.Nil(t, te)
require.Equal(t, errNilConfig, err)
}
func TestTracesExporter_NilLogger(t *testing.T) {
te, err := NewTracesExporter(context.Background(), component.ExporterCreateSettings{}, &fakeTracesExporterConfig, newTraceDataPusher(nil))
require.Nil(t, te)
require.Equal(t, errNilLogger, err)
}
func TestTracesExporter_NilPushTraceData(t *testing.T) {
te, err := NewTracesExporter(context.Background(), componenttest.NewNopExporterCreateSettings(), &fakeTracesExporterConfig, nil)
require.Nil(t, te)
require.Equal(t, errNilPushTraceData, err)
}
func TestTracesExporter_Default(t *testing.T) {
td := ptrace.NewTraces()
te, err := NewTracesExporter(context.Background(), componenttest.NewNopExporterCreateSettings(), &fakeTracesExporterConfig, newTraceDataPusher(nil))
assert.NotNil(t, te)
assert.NoError(t, err)
assert.Equal(t, consumer.Capabilities{MutatesData: false}, te.Capabilities())
assert.NoError(t, te.Start(context.Background(), componenttest.NewNopHost()))
assert.NoError(t, te.ConsumeTraces(context.Background(), td))
assert.NoError(t, te.Shutdown(context.Background()))
}
func TestTracesExporter_WithCapabilities(t *testing.T) {
capabilities := consumer.Capabilities{MutatesData: true}
te, err := NewTracesExporter(context.Background(), componenttest.NewNopExporterCreateSettings(), &fakeTracesExporterConfig, newTraceDataPusher(nil), WithCapabilities(capabilities))
assert.NotNil(t, te)
assert.NoError(t, err)
assert.Equal(t, capabilities, te.Capabilities())
}
func TestTracesExporter_Default_ReturnError(t *testing.T) {
td := ptrace.NewTraces()
want := errors.New("my_error")
te, err := NewTracesExporter(context.Background(), componenttest.NewNopExporterCreateSettings(), &fakeTracesExporterConfig, newTraceDataPusher(want))
require.NoError(t, err)
require.NotNil(t, te)
err = te.ConsumeTraces(context.Background(), td)
require.Equal(t, want, err)
}
func TestTracesExporter_WithRecordMetrics(t *testing.T) {
tt, err := obsreporttest.SetupTelemetry()
require.NoError(t, err)
t.Cleanup(func() { require.NoError(t, tt.Shutdown(context.Background())) })
te, err := NewTracesExporter(context.Background(), tt.ToExporterCreateSettings(), &fakeTracesExporterConfig, newTraceDataPusher(nil))
require.NoError(t, err)
require.NotNil(t, te)
checkRecordedMetricsForTracesExporter(t, tt, te, nil)
}
func TestTracesExporter_WithRecordMetrics_ReturnError(t *testing.T) {
want := errors.New("my_error")
tt, err := obsreporttest.SetupTelemetry()
require.NoError(t, err)
t.Cleanup(func() { require.NoError(t, tt.Shutdown(context.Background())) })
te, err := NewTracesExporter(context.Background(), tt.ToExporterCreateSettings(), &fakeTracesExporterConfig, newTraceDataPusher(want))
require.NoError(t, err)
require.NotNil(t, te)
checkRecordedMetricsForTracesExporter(t, tt, te, want)
}
func TestTracesExporter_WithRecordEnqueueFailedMetrics(t *testing.T) {
tt, err := obsreporttest.SetupTelemetry()
require.NoError(t, err)
t.Cleanup(func() { require.NoError(t, tt.Shutdown(context.Background())) })
rCfg := NewDefaultRetrySettings()
qCfg := NewDefaultQueueSettings()
qCfg.NumConsumers = 1
qCfg.QueueSize = 2
wantErr := errors.New("some-error")
te, err := NewTracesExporter(context.Background(), tt.ToExporterCreateSettings(), &fakeTracesExporterConfig, newTraceDataPusher(wantErr), WithRetry(rCfg), WithQueue(qCfg))
require.NoError(t, err)
require.NotNil(t, te)
td := testdata.GenerateTraces(2)
const numBatches = 7
for i := 0; i < numBatches; i++ {
// errors are checked in the checkExporterEnqueueFailedTracesStats function below.
_ = te.ConsumeTraces(context.Background(), td)
}
// 2 batched must be in queue, and 5 batches (10 spans) rejected due to queue overflow
checkExporterEnqueueFailedTracesStats(t, globalInstruments, fakeTracesExporterName, int64(10))
}
func TestTracesExporter_WithSpan(t *testing.T) {
set := componenttest.NewNopExporterCreateSettings()
sr := new(tracetest.SpanRecorder)
set.TracerProvider = sdktrace.NewTracerProvider(sdktrace.WithSpanProcessor(sr))
otel.SetTracerProvider(set.TracerProvider)
defer otel.SetTracerProvider(trace.NewNoopTracerProvider())
te, err := NewTracesExporter(context.Background(), set, &fakeTracesExporterConfig, newTraceDataPusher(nil))
require.NoError(t, err)
require.NotNil(t, te)
checkWrapSpanForTracesExporter(t, sr, set.TracerProvider.Tracer("test"), te, nil, 1)
}
func TestTracesExporter_WithSpan_ReturnError(t *testing.T) {
set := componenttest.NewNopExporterCreateSettings()
sr := new(tracetest.SpanRecorder)
set.TracerProvider = sdktrace.NewTracerProvider(sdktrace.WithSpanProcessor(sr))
otel.SetTracerProvider(set.TracerProvider)
defer otel.SetTracerProvider(trace.NewNoopTracerProvider())
want := errors.New("my_error")
te, err := NewTracesExporter(context.Background(), set, &fakeTracesExporterConfig, newTraceDataPusher(want))
require.NoError(t, err)
require.NotNil(t, te)
checkWrapSpanForTracesExporter(t, sr, set.TracerProvider.Tracer("test"), te, want, 1)
}
func TestTracesExporter_WithShutdown(t *testing.T) {
shutdownCalled := false
shutdown := func(context.Context) error { shutdownCalled = true; return nil }
te, err := NewTracesExporter(context.Background(), componenttest.NewNopExporterCreateSettings(), &fakeTracesExporterConfig, newTraceDataPusher(nil), WithShutdown(shutdown))
assert.NotNil(t, te)
assert.NoError(t, err)
assert.NoError(t, te.Start(context.Background(), componenttest.NewNopHost()))
assert.NoError(t, te.Shutdown(context.Background()))
assert.True(t, shutdownCalled)
}
func TestTracesExporter_WithShutdown_ReturnError(t *testing.T) {
want := errors.New("my_error")
shutdownErr := func(context.Context) error { return want }
te, err := NewTracesExporter(context.Background(), componenttest.NewNopExporterCreateSettings(), &fakeTracesExporterConfig, newTraceDataPusher(nil), WithShutdown(shutdownErr))
assert.NotNil(t, te)
assert.NoError(t, err)
assert.NoError(t, te.Start(context.Background(), componenttest.NewNopHost()))
assert.Equal(t, te.Shutdown(context.Background()), want)
}
func newTraceDataPusher(retError error) consumer.ConsumeTracesFunc {
return func(ctx context.Context, td ptrace.Traces) error {
return retError
}
}
func checkRecordedMetricsForTracesExporter(t *testing.T, tt obsreporttest.TestTelemetry, te component.TracesExporter, wantError error) {
td := testdata.GenerateTraces(2)
const numBatches = 7
for i := 0; i < numBatches; i++ {
require.Equal(t, wantError, te.ConsumeTraces(context.Background(), td))
}
// TODO: When the new metrics correctly count partial dropped fix this.
if wantError != nil {
require.NoError(t, obsreporttest.CheckExporterTraces(tt, fakeTracesExporterName, 0, int64(numBatches*td.SpanCount())))
} else {
require.NoError(t, obsreporttest.CheckExporterTraces(tt, fakeTracesExporterName, int64(numBatches*td.SpanCount()), 0))
}
}
func generateTraceTraffic(t *testing.T, tracer trace.Tracer, te component.TracesExporter, numRequests int, wantError error) {
td := ptrace.NewTraces()
td.ResourceSpans().AppendEmpty().ScopeSpans().AppendEmpty().Spans().AppendEmpty()
ctx, span := tracer.Start(context.Background(), fakeTraceParentSpanName)
defer span.End()
for i := 0; i < numRequests; i++ {
require.Equal(t, wantError, te.ConsumeTraces(ctx, td))
}
}
func checkWrapSpanForTracesExporter(t *testing.T, sr *tracetest.SpanRecorder, tracer trace.Tracer, te component.TracesExporter, wantError error, numSpans int64) {
const numRequests = 5
generateTraceTraffic(t, tracer, te, numRequests, wantError)
// Inspection time!
gotSpanData := sr.Ended()
require.Equal(t, numRequests+1, len(gotSpanData))
parentSpan := gotSpanData[numRequests]
require.Equalf(t, fakeTraceParentSpanName, parentSpan.Name(), "SpanData %v", parentSpan)
for _, sd := range gotSpanData[:numRequests] {
require.Equalf(t, parentSpan.SpanContext(), sd.Parent(), "Exporter span not a child\nSpanData %v", sd)
checkStatus(t, sd, wantError)
sentSpans := numSpans
var failedToSendSpans int64
if wantError != nil {
sentSpans = 0
failedToSendSpans = numSpans
}
require.Containsf(t, sd.Attributes(), attribute.KeyValue{Key: obsmetrics.SentSpansKey, Value: attribute.Int64Value(sentSpans)}, "SpanData %v", sd)
require.Containsf(t, sd.Attributes(), attribute.KeyValue{Key: obsmetrics.FailedToSendSpansKey, Value: attribute.Int64Value(failedToSendSpans)}, "SpanData %v", sd)
}
}