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// 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 metric // import "go.opentelemetry.io/otel/metric"
import (
"sync"
"testing"
"github.com/stretchr/testify/assert"
"go.opentelemetry.io/otel/attribute"
)
type attrConf interface {
Attributes() attribute.Set
}
func TestConfigAttrs(t *testing.T) {
t.Run("AddConfig", testConfAttr(func(mo ...MeasurementOption) attrConf {
opts := make([]AddOption, len(mo))
for i := range mo {
opts[i] = mo[i].(AddOption)
}
return NewAddConfig(opts)
}))
t.Run("RecordConfig", testConfAttr(func(mo ...MeasurementOption) attrConf {
opts := make([]RecordOption, len(mo))
for i := range mo {
opts[i] = mo[i].(RecordOption)
}
return NewRecordConfig(opts)
}))
t.Run("ObserveConfig", testConfAttr(func(mo ...MeasurementOption) attrConf {
opts := make([]ObserveOption, len(mo))
for i := range mo {
opts[i] = mo[i].(ObserveOption)
}
return NewObserveConfig(opts)
}))
}
func testConfAttr(newConf func(...MeasurementOption) attrConf) func(t *testing.T) {
return func(t *testing.T) {
t.Run("ZeroConfigEmpty", func(t *testing.T) {
c := newConf()
assert.Equal(t, *attribute.EmptySet(), c.Attributes())
})
t.Run("EmptySet", func(t *testing.T) {
c := newConf(WithAttributeSet(*attribute.EmptySet()))
assert.Equal(t, *attribute.EmptySet(), c.Attributes())
})
aliceAttr := attribute.String("user", "Alice")
alice := attribute.NewSet(aliceAttr)
t.Run("SingleWithAttributeSet", func(t *testing.T) {
c := newConf(WithAttributeSet(alice))
assert.Equal(t, alice, c.Attributes())
})
t.Run("SingleWithAttributes", func(t *testing.T) {
c := newConf(WithAttributes(aliceAttr))
assert.Equal(t, alice, c.Attributes())
})
bobAttr := attribute.String("user", "Bob")
bob := attribute.NewSet(bobAttr)
t.Run("MultiWithAttributeSet", func(t *testing.T) {
c := newConf(WithAttributeSet(alice), WithAttributeSet(bob))
assert.Equal(t, bob, c.Attributes())
})
t.Run("MergedWithAttributes", func(t *testing.T) {
c := newConf(WithAttributes(aliceAttr, bobAttr))
assert.Equal(t, bob, c.Attributes())
})
t.Run("MultiWithAttributeSet", func(t *testing.T) {
c := newConf(WithAttributes(aliceAttr), WithAttributes(bobAttr))
assert.Equal(t, bob, c.Attributes())
})
t.Run("MergedEmpty", func(t *testing.T) {
c := newConf(WithAttributeSet(alice), WithAttributeSet(*attribute.EmptySet()))
assert.Equal(t, alice, c.Attributes())
})
}
}
func TestWithAttributesConcurrentSafe(t *testing.T) {
attrs := []attribute.KeyValue{
attribute.String("user", "Alice"),
attribute.Bool("admin", true),
attribute.String("user", "Bob"),
}
var wg sync.WaitGroup
wg.Add(1)
go func() {
defer wg.Done()
opt := []AddOption{WithAttributes(attrs...)}
_ = NewAddConfig(opt)
}()
wg.Add(1)
go func() {
defer wg.Done()
opt := []AddOption{WithAttributes(attrs...)}
_ = NewAddConfig(opt)
}()
wg.Add(1)
go func() {
defer wg.Done()
opt := []RecordOption{WithAttributes(attrs...)}
_ = NewRecordConfig(opt)
}()
wg.Add(1)
go func() {
defer wg.Done()
opt := []RecordOption{WithAttributes(attrs...)}
_ = NewRecordConfig(opt)
}()
wg.Add(1)
go func() {
defer wg.Done()
opt := []ObserveOption{WithAttributes(attrs...)}
_ = NewObserveConfig(opt)
}()
wg.Add(1)
go func() {
defer wg.Done()
opt := []ObserveOption{WithAttributes(attrs...)}
_ = NewObserveConfig(opt)
}()
wg.Wait()
}