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opentelemetry-go/sdk/metric/manual_reader_test.go
Tyler Yahn 037719b646
Replace view use from sdk/metric/view to sdk/metric (#3461)
* Replace view usage in sdk/metric

* Replace view use in stdoutmetric

* Replace view use in prometheus exporter

* Replace view use in otlpmetric exporters

* Replace view use in view example
2022-11-19 09:05:20 -08:00

74 lines
2.3 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 metric // import "go.opentelemetry.io/otel/sdk/metric/reader"
import (
"testing"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/suite"
"go.opentelemetry.io/otel/sdk/metric/metricdata"
)
func TestManualReader(t *testing.T) {
suite.Run(t, &readerTestSuite{Factory: func() Reader { return NewManualReader() }})
}
func BenchmarkManualReader(b *testing.B) {
b.Run("Collect", benchReaderCollectFunc(NewManualReader()))
}
var deltaTemporalitySelector = func(InstrumentKind) metricdata.Temporality { return metricdata.DeltaTemporality }
var cumulativeTemporalitySelector = func(InstrumentKind) metricdata.Temporality { return metricdata.CumulativeTemporality }
func TestManualReaderTemporality(t *testing.T) {
tests := []struct {
name string
options []ManualReaderOption
// Currently only testing constant temporality. This should be expanded
// if we put more advanced selection in the SDK
wantTemporality metricdata.Temporality
}{
{
name: "default",
wantTemporality: metricdata.CumulativeTemporality,
},
{
name: "delta",
options: []ManualReaderOption{
WithTemporalitySelector(deltaTemporalitySelector),
},
wantTemporality: metricdata.DeltaTemporality,
},
{
name: "repeats overwrite",
options: []ManualReaderOption{
WithTemporalitySelector(deltaTemporalitySelector),
WithTemporalitySelector(cumulativeTemporalitySelector),
},
wantTemporality: metricdata.CumulativeTemporality,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
var undefinedInstrument InstrumentKind
rdr := NewManualReader(tt.options...)
assert.Equal(t, tt.wantTemporality, rdr.temporality(undefinedInstrument))
})
}
}