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package opentracing
import (
"reflect"
"testing"
)
func TestIsGlobalTracerRegisteredDefaultIsFalse(t *testing.T) {
if IsGlobalTracerRegistered() {
t.Errorf("Should return false when no global tracer is registered.")
}
}
func TestAfterSettingGlobalTracerIsGlobalTracerRegisteredReturnsTrue(t *testing.T) {
SetGlobalTracer(NoopTracer{})
if !IsGlobalTracerRegistered() {
t.Errorf("Should return true after a tracer has been registered.")
}
}
func TestDefaultTracerIsNoopTracer(t *testing.T) {
if reflect.TypeOf(GlobalTracer()) != reflect.TypeOf(NoopTracer{}) {
t.Errorf("Should return false when no global tracer is registered.")
}
}
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