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metric_diff_test.go
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metric_diff_test.go
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// 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 metricstestutil
import (
"testing"
"github.com/stretchr/testify/assert"
"go.opentelemetry.io/collector/pdata/pmetric"
"github.com/open-telemetry/opentelemetry-collector-contrib/internal/coreinternal/goldendataset"
)
func TestSameMetrics(t *testing.T) {
expected := goldendataset.MetricsFromCfg(goldendataset.DefaultCfg())
actual := goldendataset.MetricsFromCfg(goldendataset.DefaultCfg())
diffs := diffMetricData(expected, actual)
assert.Nil(t, diffs)
}
func TestDifferentValues(t *testing.T) {
expected := goldendataset.MetricsFromCfg(goldendataset.DefaultCfg())
cfg := goldendataset.DefaultCfg()
cfg.PtVal = 2
actual := goldendataset.MetricsFromCfg(cfg)
diffs := diffMetricData(expected, actual)
assert.Len(t, diffs, 1)
}
func TestDifferentNumPts(t *testing.T) {
expected := goldendataset.MetricsFromCfg(goldendataset.DefaultCfg())
cfg := goldendataset.DefaultCfg()
cfg.NumPtsPerMetric = 2
actual := goldendataset.MetricsFromCfg(cfg)
diffs := diffMetricData(expected, actual)
assert.Len(t, diffs, 1)
}
func TestDifferentPtValueTypes(t *testing.T) {
expected := goldendataset.MetricsFromCfg(goldendataset.DefaultCfg())
cfg := goldendataset.DefaultCfg()
cfg.MetricValueType = pmetric.NumberDataPointValueTypeDouble
actual := goldendataset.MetricsFromCfg(cfg)
diffs := diffMetricData(expected, actual)
assert.Len(t, diffs, 1)
}
func TestHistogram(t *testing.T) {
cfg1 := goldendataset.DefaultCfg()
cfg1.MetricDescriptorType = pmetric.MetricTypeHistogram
expected := goldendataset.MetricsFromCfg(cfg1)
cfg2 := goldendataset.DefaultCfg()
cfg2.MetricDescriptorType = pmetric.MetricTypeHistogram
cfg2.PtVal = 2
actual := goldendataset.MetricsFromCfg(cfg2)
diffs := diffMetricData(expected, actual)
assert.Len(t, diffs, 3)
}
func TestAttributes(t *testing.T) {
cfg1 := goldendataset.DefaultCfg()
cfg1.MetricDescriptorType = pmetric.MetricTypeHistogram
cfg1.NumPtLabels = 1
expected := goldendataset.MetricsFromCfg(cfg1)
cfg2 := goldendataset.DefaultCfg()
cfg2.MetricDescriptorType = pmetric.MetricTypeHistogram
cfg2.NumPtLabels = 2
actual := goldendataset.MetricsFromCfg(cfg2)
diffs := DiffMetrics(nil, expected, actual)
assert.Len(t, diffs, 1)
}
func TestExponentialHistogram(t *testing.T) {
cfg1 := goldendataset.DefaultCfg()
cfg1.MetricDescriptorType = pmetric.MetricTypeExponentialHistogram
cfg1.PtVal = 1
expected := goldendataset.MetricsFromCfg(cfg1)
cfg2 := goldendataset.DefaultCfg()
cfg2.MetricDescriptorType = pmetric.MetricTypeExponentialHistogram
cfg2.PtVal = 3
actual := goldendataset.MetricsFromCfg(cfg2)
diffs := DiffMetrics(nil, expected, actual)
assert.Len(t, diffs, 8)
}