mirror of
https://github.com/open-telemetry/opentelemetry-go.git
synced 2024-12-14 10:13:10 +02:00
351 lines
9.2 KiB
Go
351 lines
9.2 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 otlptracehttp_test
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import (
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"context"
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"fmt"
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"net/http"
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"os"
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"testing"
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"time"
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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/exporters/otlp/otlptrace"
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"go.opentelemetry.io/otel/exporters/otlp/otlptrace/internal/otlptracetest"
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"go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp"
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)
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const (
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relOtherTracesPath = "post/traces/here"
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otherTracesPath = "/post/traces/here"
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)
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var (
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testHeaders = map[string]string{
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"Otel-Go-Key-1": "somevalue",
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"Otel-Go-Key-2": "someothervalue",
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}
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)
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func TestEndToEnd(t *testing.T) {
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tests := []struct {
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name string
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opts []otlptracehttp.Option
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mcCfg mockCollectorConfig
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tls bool
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}{
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{
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name: "no extra options",
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opts: nil,
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},
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{
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name: "with gzip compression",
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opts: []otlptracehttp.Option{
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otlptracehttp.WithCompression(otlptracehttp.GzipCompression),
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},
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},
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{
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name: "retry",
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opts: []otlptracehttp.Option{
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otlptracehttp.WithRetry(otlptracehttp.RetryConfig{
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Enabled: true,
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InitialInterval: time.Nanosecond,
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MaxInterval: time.Nanosecond,
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// Do not stop trying.
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MaxElapsedTime: 0,
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}),
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},
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mcCfg: mockCollectorConfig{
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InjectHTTPStatus: []int{503, 429},
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},
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},
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{
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name: "retry with gzip compression",
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opts: []otlptracehttp.Option{
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otlptracehttp.WithCompression(otlptracehttp.GzipCompression),
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otlptracehttp.WithRetry(otlptracehttp.RetryConfig{
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Enabled: true,
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InitialInterval: time.Nanosecond,
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MaxInterval: time.Nanosecond,
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// Do not stop trying.
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MaxElapsedTime: 0,
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}),
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},
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mcCfg: mockCollectorConfig{
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InjectHTTPStatus: []int{503, 503},
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},
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},
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{
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name: "retry with throttle",
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opts: []otlptracehttp.Option{
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otlptracehttp.WithRetry(otlptracehttp.RetryConfig{
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Enabled: true,
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InitialInterval: time.Nanosecond,
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MaxInterval: time.Nanosecond,
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// Do not stop trying.
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MaxElapsedTime: 0,
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}),
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},
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mcCfg: mockCollectorConfig{
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InjectHTTPStatus: []int{503},
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InjectResponseHeader: []map[string]string{
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{"Retry-After": "10"},
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},
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},
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},
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{
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name: "with empty paths (forced to defaults)",
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opts: []otlptracehttp.Option{
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otlptracehttp.WithURLPath(""),
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},
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},
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{
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name: "with relative paths",
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opts: []otlptracehttp.Option{
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otlptracehttp.WithURLPath(relOtherTracesPath),
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},
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mcCfg: mockCollectorConfig{
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TracesURLPath: otherTracesPath,
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},
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},
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{
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name: "with TLS",
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opts: nil,
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mcCfg: mockCollectorConfig{
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WithTLS: true,
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},
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tls: true,
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},
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{
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name: "with extra headers",
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opts: []otlptracehttp.Option{
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otlptracehttp.WithHeaders(testHeaders),
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},
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mcCfg: mockCollectorConfig{
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ExpectedHeaders: testHeaders,
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},
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},
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}
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for _, tc := range tests {
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t.Run(tc.name, func(t *testing.T) {
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mc := runMockCollector(t, tc.mcCfg)
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defer mc.MustStop(t)
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allOpts := []otlptracehttp.Option{
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otlptracehttp.WithEndpoint(mc.Endpoint()),
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}
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if tc.tls {
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tlsConfig := mc.ClientTLSConfig()
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require.NotNil(t, tlsConfig)
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allOpts = append(allOpts, otlptracehttp.WithTLSClientConfig(tlsConfig))
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} else {
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allOpts = append(allOpts, otlptracehttp.WithInsecure())
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}
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allOpts = append(allOpts, tc.opts...)
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client := otlptracehttp.NewClient(allOpts...)
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ctx := context.Background()
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exporter, err := otlptrace.New(ctx, client)
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if assert.NoError(t, err) {
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defer func() {
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assert.NoError(t, exporter.Shutdown(ctx))
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}()
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otlptracetest.RunEndToEndTest(ctx, t, exporter, mc)
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}
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})
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}
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}
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func TestExporterShutdown(t *testing.T) {
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mc := runMockCollector(t, mockCollectorConfig{})
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defer func() {
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_ = mc.Stop()
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}()
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<-time.After(5 * time.Millisecond)
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otlptracetest.RunExporterShutdownTest(t, func() otlptrace.Client {
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return otlptracehttp.NewClient(
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otlptracehttp.WithInsecure(),
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otlptracehttp.WithEndpoint(mc.endpoint),
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)
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})
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}
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func TestTimeout(t *testing.T) {
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delay := make(chan struct{})
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mcCfg := mockCollectorConfig{Delay: delay}
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mc := runMockCollector(t, mcCfg)
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defer mc.MustStop(t)
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defer func() { close(delay) }()
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client := otlptracehttp.NewClient(
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otlptracehttp.WithEndpoint(mc.Endpoint()),
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otlptracehttp.WithInsecure(),
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otlptracehttp.WithTimeout(time.Nanosecond),
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)
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ctx := context.Background()
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exporter, err := otlptrace.New(ctx, client)
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require.NoError(t, err)
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defer func() {
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assert.NoError(t, exporter.Shutdown(ctx))
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}()
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err = exporter.ExportSpans(ctx, otlptracetest.SingleReadOnlySpan())
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assert.Equalf(t, true, os.IsTimeout(err), "expected timeout error, got: %v", err)
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}
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func TestNoRetry(t *testing.T) {
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mc := runMockCollector(t, mockCollectorConfig{
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InjectHTTPStatus: []int{http.StatusBadRequest},
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})
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defer mc.MustStop(t)
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driver := otlptracehttp.NewClient(
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otlptracehttp.WithEndpoint(mc.Endpoint()),
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otlptracehttp.WithInsecure(),
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otlptracehttp.WithRetry(otlptracehttp.RetryConfig{
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Enabled: true,
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InitialInterval: 1 * time.Nanosecond,
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MaxInterval: 1 * time.Nanosecond,
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// Never stop retry of retry-able status.
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MaxElapsedTime: 0,
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}),
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)
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ctx := context.Background()
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exporter, err := otlptrace.New(ctx, driver)
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require.NoError(t, err)
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defer func() {
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assert.NoError(t, exporter.Shutdown(ctx))
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}()
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err = exporter.ExportSpans(ctx, otlptracetest.SingleReadOnlySpan())
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assert.Error(t, err)
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assert.Equal(t, fmt.Sprintf("failed to send traces to http://%s/v1/traces: 400 Bad Request", mc.endpoint), err.Error())
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assert.Empty(t, mc.GetSpans())
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}
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func TestEmptyData(t *testing.T) {
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mcCfg := mockCollectorConfig{}
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mc := runMockCollector(t, mcCfg)
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defer mc.MustStop(t)
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driver := otlptracehttp.NewClient(
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otlptracehttp.WithEndpoint(mc.Endpoint()),
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otlptracehttp.WithInsecure(),
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)
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ctx := context.Background()
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exporter, err := otlptrace.New(ctx, driver)
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require.NoError(t, err)
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defer func() {
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assert.NoError(t, exporter.Shutdown(ctx))
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}()
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assert.NoError(t, err)
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err = exporter.ExportSpans(ctx, nil)
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assert.NoError(t, err)
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assert.Empty(t, mc.GetSpans())
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}
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func TestCancelledContext(t *testing.T) {
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mcCfg := mockCollectorConfig{}
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mc := runMockCollector(t, mcCfg)
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defer mc.MustStop(t)
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driver := otlptracehttp.NewClient(
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otlptracehttp.WithEndpoint(mc.Endpoint()),
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otlptracehttp.WithInsecure(),
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)
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ctx, cancel := context.WithCancel(context.Background())
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exporter, err := otlptrace.New(ctx, driver)
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require.NoError(t, err)
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defer func() {
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assert.NoError(t, exporter.Shutdown(context.Background()))
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}()
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cancel()
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err = exporter.ExportSpans(ctx, otlptracetest.SingleReadOnlySpan())
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assert.Error(t, err)
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assert.Empty(t, mc.GetSpans())
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}
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func TestDeadlineContext(t *testing.T) {
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statuses := make([]int, 0, 5)
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for i := 0; i < cap(statuses); i++ {
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statuses = append(statuses, http.StatusTooManyRequests)
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}
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mcCfg := mockCollectorConfig{
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InjectHTTPStatus: statuses,
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}
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mc := runMockCollector(t, mcCfg)
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defer mc.MustStop(t)
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driver := otlptracehttp.NewClient(
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otlptracehttp.WithEndpoint(mc.Endpoint()),
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otlptracehttp.WithInsecure(),
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otlptracehttp.WithRetry(otlptracehttp.RetryConfig{
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Enabled: true,
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InitialInterval: 1 * time.Hour,
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MaxInterval: 1 * time.Hour,
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// Never stop retry of retry-able status.
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MaxElapsedTime: 0,
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}),
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)
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ctx := context.Background()
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exporter, err := otlptrace.New(ctx, driver)
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require.NoError(t, err)
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defer func() {
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assert.NoError(t, exporter.Shutdown(context.Background()))
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}()
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ctx, cancel := context.WithTimeout(ctx, time.Second)
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defer cancel()
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err = exporter.ExportSpans(ctx, otlptracetest.SingleReadOnlySpan())
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assert.Error(t, err)
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assert.Empty(t, mc.GetSpans())
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}
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func TestStopWhileExporting(t *testing.T) {
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statuses := make([]int, 0, 5)
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for i := 0; i < cap(statuses); i++ {
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statuses = append(statuses, http.StatusTooManyRequests)
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}
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mcCfg := mockCollectorConfig{
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InjectHTTPStatus: statuses,
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}
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mc := runMockCollector(t, mcCfg)
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defer mc.MustStop(t)
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driver := otlptracehttp.NewClient(
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otlptracehttp.WithEndpoint(mc.Endpoint()),
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otlptracehttp.WithInsecure(),
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otlptracehttp.WithRetry(otlptracehttp.RetryConfig{
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Enabled: true,
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InitialInterval: 1 * time.Hour,
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MaxInterval: 1 * time.Hour,
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// Never stop retry of retry-able status.
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MaxElapsedTime: 0,
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}),
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)
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ctx := context.Background()
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exporter, err := otlptrace.New(ctx, driver)
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require.NoError(t, err)
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defer func() {
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assert.NoError(t, exporter.Shutdown(ctx))
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}()
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doneCh := make(chan struct{})
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go func() {
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err := exporter.ExportSpans(ctx, otlptracetest.SingleReadOnlySpan())
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assert.Error(t, err)
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assert.Empty(t, mc.GetSpans())
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close(doneCh)
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}()
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<-time.After(time.Second)
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err = exporter.Shutdown(ctx)
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assert.NoError(t, err)
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<-doneCh
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}
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