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opentelemetry-go/api/trace/always_off_sampler_test.go
2020-05-03 13:48:38 +08:00

41 lines
1.2 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 trace
import (
"testing"
"github.com/google/go-cmp/cmp"
"go.opentelemetry.io/otel/api/core"
)
func TestNeverSamperShouldSample(t *testing.T) {
gotD := AlwaysOffSampler().ShouldSample(
SpanContext{}, false, ID{}, SpanID{}, "span", SpanKindClient, []core.KeyValue{}, []Link{})
wantD := Decision{Sampled: false}
if diff := cmp.Diff(wantD, gotD); diff != "" {
t.Errorf("Decision: +got, -want%v", diff)
}
}
func TestAlwaysOffSamplerDescription(t *testing.T) {
gotDesc := AlwaysOffSampler().Description()
wantDesc := alwaysOffSamplerDescription
if diff := cmp.Diff(wantDesc, gotDesc); diff != "" {
t.Errorf("Description: +got, -want%v", diff)
}
}