mirror of
https://github.com/open-telemetry/opentelemetry-go.git
synced 2025-01-26 03:52:03 +02:00
32ddc16e1b
* Tests pass * Precommit pass * More lint * Remove a few interfaces * Final edits * Fix comments * Indentation * registry->unique * Comments
68 lines
1.6 KiB
Go
68 lines
1.6 KiB
Go
// 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 global_test
|
|
|
|
import (
|
|
"testing"
|
|
|
|
"go.opentelemetry.io/otel/api/global"
|
|
"go.opentelemetry.io/otel/api/metric"
|
|
"go.opentelemetry.io/otel/api/trace"
|
|
)
|
|
|
|
type (
|
|
testTraceProvider struct{}
|
|
testMeterProvider struct{}
|
|
)
|
|
|
|
var (
|
|
_ trace.Provider = &testTraceProvider{}
|
|
_ metric.Provider = &testMeterProvider{}
|
|
)
|
|
|
|
func (*testTraceProvider) Tracer(_ string) trace.Tracer {
|
|
return &trace.NoopTracer{}
|
|
}
|
|
|
|
func (*testMeterProvider) Meter(_ string) metric.Meter {
|
|
return metric.Meter{}
|
|
}
|
|
|
|
func TestMultipleGlobalTracerProvider(t *testing.T) {
|
|
p1 := testTraceProvider{}
|
|
p2 := trace.NoopProvider{}
|
|
global.SetTraceProvider(&p1)
|
|
global.SetTraceProvider(&p2)
|
|
|
|
got := global.TraceProvider()
|
|
want := &p2
|
|
if got != want {
|
|
t.Fatalf("Provider: got %p, want %p\n", got, want)
|
|
}
|
|
}
|
|
|
|
func TestMultipleGlobalMeterProvider(t *testing.T) {
|
|
p1 := testMeterProvider{}
|
|
p2 := metric.NoopProvider{}
|
|
global.SetMeterProvider(&p1)
|
|
global.SetMeterProvider(&p2)
|
|
|
|
got := global.MeterProvider()
|
|
want := &p2
|
|
if got != want {
|
|
t.Fatalf("Provider: got %p, want %p\n", got, want)
|
|
}
|
|
}
|