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opentelemetry-go/sdk/log/simple_test.go
Tyler Yahn 3542ee68a9
Implement the SimpleProcessor (#5079)
* Implement the SimpleProcessor

* Add BenchmarkSimpleProcessorOnEmit

* Remove stale comment

* Run benchmarks in parallel
2024-03-17 07:47:05 -07:00

114 lines
2.2 KiB
Go

// Copyright The OpenTelemetry Authors
// SPDX-License-Identifier: Apache-2.0
package log_test
import (
"context"
"sync"
"testing"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"go.opentelemetry.io/otel/sdk/log"
)
type exporter struct {
records []log.Record
exportCalled bool
shutdownCalled bool
forceFlushCalled bool
}
func (e *exporter) Export(_ context.Context, r []log.Record) error {
e.records = r
e.exportCalled = true
return nil
}
func (e *exporter) Shutdown(context.Context) error {
e.shutdownCalled = true
return nil
}
func (e *exporter) ForceFlush(context.Context) error {
e.forceFlushCalled = true
return nil
}
func TestSimpleProcessorOnEmit(t *testing.T) {
e := new(exporter)
s := log.NewSimpleProcessor(e)
var r log.Record
r.SetSeverityText("test")
_ = s.OnEmit(context.Background(), r)
require.True(t, e.exportCalled, "exporter Export not called")
assert.Equal(t, []log.Record{r}, e.records)
}
func TestSimpleProcessorEnabled(t *testing.T) {
s := log.NewSimpleProcessor(nil)
assert.True(t, s.Enabled(context.Background(), log.Record{}))
}
func TestSimpleProcessorShutdown(t *testing.T) {
e := new(exporter)
s := log.NewSimpleProcessor(e)
_ = s.Shutdown(context.Background())
require.True(t, e.shutdownCalled, "exporter Shutdown not called")
}
func TestSimpleProcessorForceFlush(t *testing.T) {
e := new(exporter)
s := log.NewSimpleProcessor(e)
_ = s.ForceFlush(context.Background())
require.True(t, e.forceFlushCalled, "exporter ForceFlush not called")
}
func TestSimpleProcessorConcurrentSafe(t *testing.T) {
const goRoutineN = 10
var wg sync.WaitGroup
wg.Add(goRoutineN)
var r log.Record
r.SetSeverityText("test")
ctx := context.Background()
s := log.NewSimpleProcessor(nil)
for i := 0; i < goRoutineN; i++ {
go func() {
defer wg.Done()
_ = s.OnEmit(ctx, r)
_ = s.Enabled(ctx, r)
_ = s.Shutdown(ctx)
_ = s.ForceFlush(ctx)
}()
}
wg.Wait()
}
func BenchmarkSimpleProcessorOnEmit(b *testing.B) {
var r log.Record
r.SetSeverityText("test")
ctx := context.Background()
s := log.NewSimpleProcessor(nil)
b.ReportAllocs()
b.ResetTimer()
b.RunParallel(func(pb *testing.PB) {
var out error
for pb.Next() {
out = s.OnEmit(ctx, r)
}
_ = out
})
}