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* Update License header for all source files - Add Apache 2.0 header to source files that did not have one. - Update all existing headers dated to 2019 to be 2020 - Remove comma from License header to comply with the Apache 2.0 guidelines. * Update Copyright notice Use the standard Copyright notices outlined by the [CNCF](https://github.com/cncf/foundation/blob/master/copyright-notices.md#copyright-notices)
71 lines
2.2 KiB
Go
71 lines
2.2 KiB
Go
// Copyright The OpenTelemetry Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package dogstatsd_test
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import (
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"bytes"
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"context"
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"fmt"
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"testing"
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"github.com/stretchr/testify/require"
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"go.opentelemetry.io/otel/api/core"
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"go.opentelemetry.io/otel/api/key"
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"go.opentelemetry.io/otel/api/metric"
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"go.opentelemetry.io/otel/exporters/metric/dogstatsd"
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"go.opentelemetry.io/otel/exporters/metric/internal/statsd"
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"go.opentelemetry.io/otel/exporters/metric/test"
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export "go.opentelemetry.io/otel/sdk/export/metric"
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sdk "go.opentelemetry.io/otel/sdk/metric"
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"go.opentelemetry.io/otel/sdk/metric/aggregator/sum"
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)
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// TestDogstatsLabels that labels are formatted in the correct style,
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// whether or not the provided labels were encoded by a statsd label
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// encoder.
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func TestDogstatsLabels(t *testing.T) {
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for inefficientCount, encoder := range []export.LabelEncoder{
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statsd.NewLabelEncoder(), // inefficientCount == 0
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sdk.NewDefaultLabelEncoder(), // inefficientCount == 1
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} {
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t.Run(fmt.Sprintf("%T", encoder), func(t *testing.T) {
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ctx := context.Background()
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checkpointSet := test.NewCheckpointSet(encoder)
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desc := metric.NewDescriptor("test.name", metric.CounterKind, core.Int64NumberKind)
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cagg := sum.New()
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_ = cagg.Update(ctx, core.NewInt64Number(123), &desc)
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cagg.Checkpoint(ctx, &desc)
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checkpointSet.Add(&desc, cagg, key.New("A").String("B"))
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var buf bytes.Buffer
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exp, err := dogstatsd.NewRawExporter(dogstatsd.Config{
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Writer: &buf,
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})
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require.Nil(t, err)
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require.Equal(t, 0, exp.ReencodedLabelsCount)
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err = exp.Export(ctx, checkpointSet)
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require.Nil(t, err)
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require.Equal(t, inefficientCount, exp.ReencodedLabelsCount)
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require.Equal(t, "test.name:123|c|#A:B\n", buf.String())
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})
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}
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}
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