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// Copyright The OpenTelemetry Authors
// SPDX-License-Identifier: Apache-2.0
package global
import (
"context"
"testing"
"go.opentelemetry.io/otel/metric"
"go.opentelemetry.io/otel/metric/embedded"
"go.opentelemetry.io/otel/metric/noop"
)
func testFloat64ConcurrentSafe(interact func(float64), setDelegate func(metric.Meter)) {
done := make(chan struct{})
finish := make(chan struct{})
go func() {
defer close(done)
for {
interact(1)
select {
case <-finish:
return
default:
}
}
}()
setDelegate(noop.NewMeterProvider().Meter(""))
close(finish)
<-done
}
func testInt64ConcurrentSafe(interact func(int64), setDelegate func(metric.Meter)) {
done := make(chan struct{})
finish := make(chan struct{})
go func() {
defer close(done)
for {
interact(1)
select {
case <-finish:
return
default:
}
}
}()
setDelegate(noop.NewMeterProvider().Meter(""))
close(finish)
<-done
}
func TestAsyncInstrumentSetDelegateConcurrentSafe(t *testing.T) {
// Float64 Instruments
t.Run("Float64", func(t *testing.T) {
t.Run("Counter", func(t *testing.T) {
delegate := &afCounter{}
f := func(float64) { _ = delegate.Unwrap() }
testFloat64ConcurrentSafe(f, delegate.setDelegate)
})
t.Run("UpDownCounter", func(t *testing.T) {
delegate := &afUpDownCounter{}
f := func(float64) { _ = delegate.Unwrap() }
testFloat64ConcurrentSafe(f, delegate.setDelegate)
})
t.Run("Gauge", func(t *testing.T) {
delegate := &afGauge{}
f := func(float64) { _ = delegate.Unwrap() }
testFloat64ConcurrentSafe(f, delegate.setDelegate)
})
})
// Int64 Instruments
t.Run("Int64", func(t *testing.T) {
t.Run("Counter", func(t *testing.T) {
delegate := &aiCounter{}
f := func(int64) { _ = delegate.Unwrap() }
testInt64ConcurrentSafe(f, delegate.setDelegate)
})
t.Run("UpDownCounter", func(t *testing.T) {
delegate := &aiUpDownCounter{}
f := func(int64) { _ = delegate.Unwrap() }
testInt64ConcurrentSafe(f, delegate.setDelegate)
})
t.Run("Gauge", func(t *testing.T) {
delegate := &aiGauge{}
f := func(int64) { _ = delegate.Unwrap() }
testInt64ConcurrentSafe(f, delegate.setDelegate)
})
})
}
func TestSyncInstrumentSetDelegateConcurrentSafe(t *testing.T) {
// Float64 Instruments
t.Run("Float64", func(t *testing.T) {
t.Run("Counter", func(t *testing.T) {
delegate := &sfCounter{}
f := func(v float64) { delegate.Add(context.Background(), v) }
testFloat64ConcurrentSafe(f, delegate.setDelegate)
})
t.Run("UpDownCounter", func(t *testing.T) {
delegate := &sfUpDownCounter{}
f := func(v float64) { delegate.Add(context.Background(), v) }
testFloat64ConcurrentSafe(f, delegate.setDelegate)
})
t.Run("Histogram", func(t *testing.T) {
delegate := &sfHistogram{}
f := func(v float64) { delegate.Record(context.Background(), v) }
testFloat64ConcurrentSafe(f, delegate.setDelegate)
})
t.Run("Gauge", func(t *testing.T) {
delegate := &sfGauge{}
f := func(v float64) { delegate.Record(context.Background(), v) }
testFloat64ConcurrentSafe(f, delegate.setDelegate)
})
})
// Int64 Instruments
t.Run("Int64", func(t *testing.T) {
t.Run("Counter", func(t *testing.T) {
delegate := &siCounter{}
f := func(v int64) { delegate.Add(context.Background(), v) }
testInt64ConcurrentSafe(f, delegate.setDelegate)
})
t.Run("UpDownCounter", func(t *testing.T) {
delegate := &siUpDownCounter{}
f := func(v int64) { delegate.Add(context.Background(), v) }
testInt64ConcurrentSafe(f, delegate.setDelegate)
})
t.Run("Histogram", func(t *testing.T) {
delegate := &siHistogram{}
f := func(v int64) { delegate.Record(context.Background(), v) }
testInt64ConcurrentSafe(f, delegate.setDelegate)
})
t.Run("Gauge", func(t *testing.T) {
delegate := &siGauge{}
f := func(v int64) { delegate.Record(context.Background(), v) }
testInt64ConcurrentSafe(f, delegate.setDelegate)
})
})
}
type testCountingFloatInstrument struct {
count int
metric.Float64Observable
embedded.Float64Counter
embedded.Float64UpDownCounter
embedded.Float64Histogram
embedded.Float64Gauge
embedded.Float64ObservableCounter
embedded.Float64ObservableUpDownCounter
embedded.Float64ObservableGauge
}
func (i *testCountingFloatInstrument) observe() {
i.count++
}
func (i *testCountingFloatInstrument) Add(context.Context, float64, ...metric.AddOption) {
i.count++
}
func (i *testCountingFloatInstrument) Record(context.Context, float64, ...metric.RecordOption) {
i.count++
}
type testCountingIntInstrument struct {
count int
metric.Int64Observable
embedded.Int64Counter
embedded.Int64UpDownCounter
embedded.Int64Histogram
embedded.Int64Gauge
embedded.Int64ObservableCounter
embedded.Int64ObservableUpDownCounter
embedded.Int64ObservableGauge
}
func (i *testCountingIntInstrument) observe() {
i.count++
}
func (i *testCountingIntInstrument) Add(context.Context, int64, ...metric.AddOption) {
i.count++
}
func (i *testCountingIntInstrument) Record(context.Context, int64, ...metric.RecordOption) {
i.count++
}
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