go/opentelemetry-go
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Code Issues Releases Activity

Add resources in the Prom tests

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This commit is contained in:
jmacd 2020-05-21 01:38:43 -07:00
parent 196d7740bd
commit 7172b30492
2 changed files with 19 additions and 13 deletions
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17
exporters/metric/prometheus/example_test.go
View File

@ -25,6 +25,8 @@ import (
"go.opentelemetry.io/otel/api/kv"
"go.opentelemetry.io/otel/api/metric"
"go.opentelemetry.io/otel/exporters/metric/prometheus"
"go.opentelemetry.io/otel/sdk/metric/controller/pull"
"go.opentelemetry.io/otel/sdk/resource"
)
// This test demonstrates that it is relatively difficult to setup a
@ -32,11 +34,14 @@ import (
//
// 1. The default boundaries are difficult to pass, should be []float instead of []metric.Number
//
// TODO: Address this issue; add Resources to the test.
// TODO: Address this issue.
func ExampleNewExportPipeline() {
// Create a meter
exporter, err := prometheus.NewExportPipeline(prometheus.Config{})
exporter, err := prometheus.NewExportPipeline(
prometheus.Config{},
pull.WithResource(resource.New(kv.String("R", "V"))),
)
if err != nil {
panic(err)
}
@ -73,10 +78,10 @@ func ExampleNewExportPipeline() {
// Output:
// # HELP a_counter Counts things
// # TYPE a_counter counter
// a_counter{key="value"} 100
// a_counter{R="V",key="value"} 100
// # HELP a_valuerecorder Records values
// # TYPE a_valuerecorder histogram
// a_valuerecorder_bucket{key="value",le="+Inf"} 1
// a_valuerecorder_sum{key="value"} 100
// a_valuerecorder_count{key="value"} 1
// a_valuerecorder_bucket{R="V",key="value",le="+Inf"} 1
// a_valuerecorder_sum{R="V",key="value"} 100
// a_valuerecorder_count{R="V",key="value"} 1
}

15
exporters/metric/prometheus/prometheus_test.go
View File

@ -30,12 +30,13 @@ import (
"go.opentelemetry.io/otel/api/metric"
"go.opentelemetry.io/otel/exporters/metric/prometheus"
"go.opentelemetry.io/otel/sdk/metric/controller/pull"
"go.opentelemetry.io/otel/sdk/resource"
)
func TestPrometheusExporter(t *testing.T) {
exporter, err := prometheus.NewExportPipeline(prometheus.Config{
DefaultHistogramBoundaries: []metric.Number{metric.NewFloat64Number(-0.5), metric.NewFloat64Number(1)},
})
}, pull.WithResource(resource.New(kv.String("R", "V"))))
require.NoError(t, err)
meter := exporter.Provider().Meter("test")
@ -54,18 +55,18 @@ func TestPrometheusExporter(t *testing.T) {
counter.Add(ctx, 10, labels...)
counter.Add(ctx, 5.3, labels...)
expected = append(expected, `counter{A="B",C="D"} 15.3`)
expected = append(expected, `counter{A="B",C="D",R="V"} 15.3`)
valuerecorder.Record(ctx, -0.6, labels...)
valuerecorder.Record(ctx, -0.4, labels...)
valuerecorder.Record(ctx, 0.6, labels...)
valuerecorder.Record(ctx, 20, labels...)
expected = append(expected, `valuerecorder_bucket{A="B",C="D",le="+Inf"} 4`)
expected = append(expected, `valuerecorder_bucket{A="B",C="D",le="-0.5"} 1`)
expected = append(expected, `valuerecorder_bucket{A="B",C="D",le="1"} 3`)
expected = append(expected, `valuerecorder_count{A="B",C="D"} 4`)
expected = append(expected, `valuerecorder_sum{A="B",C="D"} 19.6`)
expected = append(expected, `valuerecorder_bucket{A="B",C="D",R="V",le="+Inf"} 4`)
expected = append(expected, `valuerecorder_bucket{A="B",C="D",R="V",le="-0.5"} 1`)
expected = append(expected, `valuerecorder_bucket{A="B",C="D",R="V",le="1"} 3`)
expected = append(expected, `valuerecorder_count{A="B",C="D",R="V"} 4`)
expected = append(expected, `valuerecorder_sum{A="B",C="D",R="V"} 19.6`)
compareExport(t, exporter, expected)
}