go/opentelemetry-go
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Fix sporadic test failure in otlp exporter http client tests (#2496)

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* Fix flaky TestTimeout in otlpmetrichttp

* Fix flaky TestTimeout in otlptracehttp
This commit is contained in:
Tyler Yahn 2022-01-05 17:04:55 -08:00 committed by GitHub
parent 1c1e84614d
commit 11ce2ddd24
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GPG Key ID: 4AEE18F83AFDEB23
4 changed files with 28 additions and 22 deletions
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10
exporters/otlp/otlpmetric/otlpmetrichttp/client_test.go
View File

@ -144,15 +144,15 @@ func TestExporterShutdown(t *testing.T) {
}
func TestTimeout(t *testing.T) {
mcCfg := mockCollectorConfig{
InjectDelay: 100 * time.Millisecond,
}
delay := make(chan struct{})
mcCfg := mockCollectorConfig{Delay: delay}
mc := runMockCollector(t, mcCfg)
defer mc.MustStop(t)
defer func() { close(delay) }()
client := otlpmetrichttp.NewClient(
otlpmetrichttp.WithEndpoint(mc.Endpoint()),
otlpmetrichttp.WithInsecure(),
otlpmetrichttp.WithTimeout(50*time.Millisecond),
otlpmetrichttp.WithTimeout(time.Nanosecond),
)
ctx := context.Background()
exporter, err := otlpmetric.New(ctx, client)
@ -161,7 +161,7 @@ func TestTimeout(t *testing.T) {
assert.NoError(t, exporter.Shutdown(ctx))
}()
err = exporter.Export(ctx, testResource, oneRecord)
assert.Equal(t, true, os.IsTimeout(err))
assert.Equalf(t, true, os.IsTimeout(err), "expected timeout error, got: %v", err)
}
func TestEmptyData(t *testing.T) {

15
exporters/otlp/otlpmetric/otlpmetrichttp/mock_collector_test.go
View File

@ -26,7 +26,6 @@ import (
"net/http"
"sync"
"testing"
"time"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
@ -47,7 +46,7 @@ type mockCollector struct {
injectHTTPStatus []int
injectContentType string
injectDelay time.Duration
delay <-chan struct{}
clientTLSConfig *tls.Config
expectedHeaders map[string]string
@ -76,8 +75,12 @@ func (c *mockCollector) ClientTLSConfig() *tls.Config {
}
func (c *mockCollector) serveMetrics(w http.ResponseWriter, r *http.Request) {
if c.injectDelay != 0 {
time.Sleep(c.injectDelay)
if c.delay != nil {
select {
case <-c.delay:
case <-r.Context().Done():
return
}
}
if !c.checkHeaders(r) {
@ -182,7 +185,7 @@ type mockCollectorConfig struct {
Port int
InjectHTTPStatus []int
InjectContentType string
InjectDelay time.Duration
Delay <-chan struct{}
WithTLS bool
ExpectedHeaders map[string]string
}
@ -204,7 +207,7 @@ func runMockCollector(t *testing.T, cfg mockCollectorConfig) *mockCollector {
metricsStorage: otlpmetrictest.NewMetricsStorage(),
injectHTTPStatus: cfg.InjectHTTPStatus,
injectContentType: cfg.InjectContentType,
injectDelay: cfg.InjectDelay,
delay: cfg.Delay,
expectedHeaders: cfg.ExpectedHeaders,
}
mux := http.NewServeMux()

10
exporters/otlp/otlptrace/otlptracehttp/client_test.go
View File

@ -187,15 +187,15 @@ func TestExporterShutdown(t *testing.T) {
}
func TestTimeout(t *testing.T) {
mcCfg := mockCollectorConfig{
InjectDelay: 100 * time.Millisecond,
}
delay := make(chan struct{})
mcCfg := mockCollectorConfig{Delay: delay}
mc := runMockCollector(t, mcCfg)
defer mc.MustStop(t)
defer func() { close(delay) }()
client := otlptracehttp.NewClient(
otlptracehttp.WithEndpoint(mc.Endpoint()),
otlptracehttp.WithInsecure(),
otlptracehttp.WithTimeout(50*time.Millisecond),
otlptracehttp.WithTimeout(time.Nanosecond),
)
ctx := context.Background()
exporter, err := otlptrace.New(ctx, client)
@ -204,7 +204,7 @@ func TestTimeout(t *testing.T) {
assert.NoError(t, exporter.Shutdown(ctx))
}()
err = exporter.ExportSpans(ctx, otlptracetest.SingleReadOnlySpan())
assert.Equal(t, true, os.IsTimeout(err))
assert.Equalf(t, true, os.IsTimeout(err), "expected timeout error, got: %v", err)
}
func TestNoRetry(t *testing.T) {

15
exporters/otlp/otlptrace/otlptracehttp/mock_collector_test.go
View File

@ -26,7 +26,6 @@ import (
"net/http"
"sync"
"testing"
"time"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
@ -48,7 +47,7 @@ type mockCollector struct {
injectHTTPStatus []int
injectResponseHeader []map[string]string
injectContentType string
injectDelay time.Duration
delay <-chan struct{}
clientTLSConfig *tls.Config
expectedHeaders map[string]string
@ -83,8 +82,12 @@ func (c *mockCollector) ClientTLSConfig() *tls.Config {
}
func (c *mockCollector) serveTraces(w http.ResponseWriter, r *http.Request) {
if c.injectDelay != 0 {
time.Sleep(c.injectDelay)
if c.delay != nil {
select {
case <-c.delay:
case <-r.Context().Done():
return
}
}
if !c.checkHeaders(r) {
@ -205,7 +208,7 @@ type mockCollectorConfig struct {
InjectHTTPStatus []int
InjectContentType string
InjectResponseHeader []map[string]string
InjectDelay time.Duration
Delay <-chan struct{}
WithTLS bool
ExpectedHeaders map[string]string
}
@ -228,7 +231,7 @@ func runMockCollector(t *testing.T, cfg mockCollectorConfig) *mockCollector {
injectHTTPStatus: cfg.InjectHTTPStatus,
injectResponseHeader: cfg.InjectResponseHeader,
injectContentType: cfg.InjectContentType,
injectDelay: cfg.InjectDelay,
delay: cfg.Delay,
expectedHeaders: cfg.ExpectedHeaders,
}
mux := http.NewServeMux()