Fix comments and func names in goldendataset metrics

internal/goldendataset/metric_gen.go

@@ -23,7 +23,7 @@ import (
 // Simple utilities for generating metrics for testing
 
 // MetricCfg holds parameters for generating dummy metrics for testing. Set values on this struct to generate
-// metrics with the corresponding number/type of attributes and pass into MetricDataFromCfg to generate metrics.
+// metrics with the corresponding number/type of attributes and pass into MetricsFromCfg to generate metrics.
 type MetricCfg struct {
 	// The type of metric to generate
 	MetricDescriptorType pdata.MetricDataType
@@ -69,25 +69,21 @@ func DefaultCfg() MetricCfg {
 	}
 }
 
-// DefaultMetricData produces MetricData with a default config.
-func DefaultMetricData() pdata.Metrics {
-	return MetricDataFromCfg(DefaultCfg())
-}
-
-// MetricDataFromCfg produces MetricData with the passed-in config.
-func MetricDataFromCfg(cfg MetricCfg) pdata.Metrics {
-	return newMetricGenerator().genMetricDataFromCfg(cfg)
+// MetricsFromCfg produces pdata.Metrics with the passed-in config.
+func MetricsFromCfg(cfg MetricCfg) pdata.Metrics {
+	mg := newMetricGenerator()
+	return mg.genMetricFromCfg(cfg)
 }
 
 type metricGenerator struct {
 	metricID int
 }
 
-func newMetricGenerator() *metricGenerator {
-	return &metricGenerator{}
+func newMetricGenerator() metricGenerator {
+	return metricGenerator{}
 }
 
-func (g *metricGenerator) genMetricDataFromCfg(cfg MetricCfg) pdata.Metrics {
+func (g *metricGenerator) genMetricFromCfg(cfg MetricCfg) pdata.Metrics {
 	md := pdata.NewMetrics()
 	rms := md.ResourceMetrics()
 	rms.Resize(cfg.NumResourceMetrics)

internal/goldendataset/metric_gen_test.go

@@ -23,7 +23,7 @@ import (
 )
 
 func TestGenDefault(t *testing.T) {
-	md := DefaultMetricData()
+	md := MetricsFromCfg(DefaultCfg())
 	mCount, ptCount := md.MetricAndDataPointCount()
 	require.Equal(t, 1, mCount)
 	require.Equal(t, 1, ptCount)
@@ -106,7 +106,7 @@ func TestGenDoubleHistogram(t *testing.T) {
 	cfg := DefaultCfg()
 	cfg.MetricDescriptorType = pdata.MetricDataTypeDoubleHistogram
 	cfg.PtVal = 2
-	md := MetricDataFromCfg(cfg)
+	md := MetricsFromCfg(cfg)
 	pts := getMetric(md).DoubleHistogram().DataPoints()
 	pt := pts.At(0)
 	buckets := pt.BucketCounts()
@@ -117,7 +117,7 @@ func TestGenDoubleHistogram(t *testing.T) {
 func TestGenDoubleGauge(t *testing.T) {
 	cfg := DefaultCfg()
 	cfg.MetricDescriptorType = pdata.MetricDataTypeDoubleGauge
-	md := MetricDataFromCfg(cfg)
+	md := MetricsFromCfg(cfg)
 	metric := getMetric(md)
 	pts := metric.DoubleGauge().DataPoints()
 	require.Equal(t, 1, pts.Len())

internal/goldendataset/pict_metric_gen.go

@@ -39,7 +39,7 @@ func GenerateMetricDatas(metricPairsFile string) ([]pdata.Metrics, error) {
 		}
 		cfg := pictToCfg(metricInputs)
 		cfg.MetricNamePrefix = fmt.Sprintf("pict_%d_", i)
-		md := MetricDataFromCfg(cfg)
+		md := MetricsFromCfg(cfg)
 		out = append(out, md)
 	}
 	return out, nil

processor/filterprocessor/expr_test.go

@@ -203,5 +203,5 @@ func testData(prefix string, size int, mdType pdata.MetricDataType) pdata.Metric
 		NumResourceAttrs:     size,
 		NumResourceMetrics:   size,
 	}
-	return goldendataset.MetricDataFromCfg(c)
+	return goldendataset.MetricsFromCfg(c)
 }

processor/filterprocessor/filter_processor_test.go

@@ -488,7 +488,7 @@ func pdm(prefix string, size int) pdata.Metrics {
 		NumResourceAttrs:     size,
 		NumResourceMetrics:   size,
 	}
-	return goldendataset.MetricDataFromCfg(c)
+	return goldendataset.MetricsFromCfg(c)
 }
 
 func TestMetricIndexSingle(t *testing.T) {

testbed/correctness/metrics/metric_diff_test.go

@@ -25,8 +25,8 @@ import (
 )
 
 func TestSameMetrics(t *testing.T) {
-	expected := goldendataset.DefaultMetricData()
-	actual := goldendataset.DefaultMetricData()
+	expected := goldendataset.MetricsFromCfg(goldendataset.DefaultCfg())
+	actual := goldendataset.MetricsFromCfg(goldendataset.DefaultCfg())
 	diffs := diffMetricData(expected, actual)
 	assert.Nil(t, diffs)
 }
@@ -45,52 +45,52 @@ func toSlice(s pdata.ResourceMetricsSlice) (out []pdata.ResourceMetrics) {
 }
 
 func TestDifferentValues(t *testing.T) {
-	expected := goldendataset.DefaultMetricData()
+	expected := goldendataset.MetricsFromCfg(goldendataset.DefaultCfg())
 	cfg := goldendataset.DefaultCfg()
 	cfg.PtVal = 2
-	actual := goldendataset.MetricDataFromCfg(cfg)
+	actual := goldendataset.MetricsFromCfg(cfg)
 	diffs := diffMetricData(expected, actual)
 	assert.Len(t, diffs, 1)
 }
 
 func TestDifferentNumPts(t *testing.T) {
-	expected := goldendataset.DefaultMetricData()
+	expected := goldendataset.MetricsFromCfg(goldendataset.DefaultCfg())
 	cfg := goldendataset.DefaultCfg()
 	cfg.NumPtsPerMetric = 2
-	actual := goldendataset.MetricDataFromCfg(cfg)
+	actual := goldendataset.MetricsFromCfg(cfg)
 	diffs := diffMetricData(expected, actual)
 	assert.Len(t, diffs, 1)
 }
 
 func TestDifferentPtTypes(t *testing.T) {
-	expected := goldendataset.DefaultMetricData()
+	expected := goldendataset.MetricsFromCfg(goldendataset.DefaultCfg())
 	cfg := goldendataset.DefaultCfg()
 	cfg.MetricDescriptorType = pdata.MetricDataTypeDoubleGauge
-	actual := goldendataset.MetricDataFromCfg(cfg)
+	actual := goldendataset.MetricsFromCfg(cfg)
 	diffs := diffMetricData(expected, actual)
 	assert.Len(t, diffs, 1)
 }
 
 func TestDoubleHistogram(t *testing.T) {
 	cfg1 := goldendataset.DefaultCfg()
 	cfg1.MetricDescriptorType = pdata.MetricDataTypeDoubleHistogram
-	expected := goldendataset.MetricDataFromCfg(cfg1)
+	expected := goldendataset.MetricsFromCfg(cfg1)
 	cfg2 := goldendataset.DefaultCfg()
 	cfg2.MetricDescriptorType = pdata.MetricDataTypeDoubleHistogram
 	cfg2.PtVal = 2
-	actual := goldendataset.MetricDataFromCfg(cfg2)
+	actual := goldendataset.MetricsFromCfg(cfg2)
 	diffs := diffMetricData(expected, actual)
 	assert.Len(t, diffs, 3)
 }
 
 func TestIntHistogram(t *testing.T) {
 	cfg1 := goldendataset.DefaultCfg()
 	cfg1.MetricDescriptorType = pdata.MetricDataTypeIntHistogram
-	expected := goldendataset.MetricDataFromCfg(cfg1)
+	expected := goldendataset.MetricsFromCfg(cfg1)
 	cfg2 := goldendataset.DefaultCfg()
 	cfg2.MetricDescriptorType = pdata.MetricDataTypeIntHistogram
 	cfg2.PtVal = 2
-	actual := goldendataset.MetricDataFromCfg(cfg2)
+	actual := goldendataset.MetricsFromCfg(cfg2)
 	diffs := diffMetricData(expected, actual)
 	assert.Len(t, diffs, 3)
 }