mirror of
https://github.com/pomerium/pomerium.git
synced 2025-04-30 19:06:33 +02:00
104 lines
2.9 KiB
Go
104 lines
2.9 KiB
Go
package prometheus_test
|
|
|
|
import (
|
|
"strings"
|
|
"testing"
|
|
|
|
"github.com/google/go-cmp/cmp"
|
|
"github.com/google/go-cmp/cmp/cmpopts"
|
|
dto "github.com/prometheus/client_model/go"
|
|
"github.com/stretchr/testify/require"
|
|
"google.golang.org/protobuf/proto"
|
|
"google.golang.org/protobuf/testing/protocmp"
|
|
|
|
"github.com/pomerium/pomerium/internal/telemetry/prometheus"
|
|
)
|
|
|
|
func TestAddLabels(t *testing.T) {
|
|
tests := []struct {
|
|
name string
|
|
input string
|
|
addLabels map[string]string
|
|
expected []*dto.MetricFamily
|
|
}{
|
|
{
|
|
name: "single metric family",
|
|
input: `
|
|
# HELP http_requests_total The total number of HTTP requests.
|
|
# TYPE http_requests_total counter
|
|
http_requests_total{method="post",code="200"} 1027 1395066363000
|
|
`,
|
|
addLabels: map[string]string{"key": "value"},
|
|
expected: []*dto.MetricFamily{
|
|
{
|
|
Name: proto.String("http_requests_total"),
|
|
Help: proto.String("The total number of HTTP requests."),
|
|
Type: dto.MetricType_COUNTER.Enum(),
|
|
Metric: []*dto.Metric{
|
|
{
|
|
Label: []*dto.LabelPair{
|
|
{Name: proto.String("method"), Value: proto.String("post")},
|
|
{Name: proto.String("code"), Value: proto.String("200")},
|
|
{Name: proto.String("key"), Value: proto.String("value")},
|
|
},
|
|
Counter: &dto.Counter{Value: proto.Float64(1027)},
|
|
TimestampMs: proto.Int64(1395066363000),
|
|
},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
{
|
|
name: "multiple metric families",
|
|
input: `
|
|
# TYPE http_requests_total counter
|
|
http_requests_total{method="post",code="200"} 1027 1395066363000
|
|
# TYPE cpu_seconds_total counter
|
|
cpu_seconds_total 12345.6
|
|
`,
|
|
addLabels: map[string]string{"key": "value"},
|
|
expected: []*dto.MetricFamily{
|
|
{
|
|
Name: proto.String("http_requests_total"),
|
|
Type: dto.MetricType_COUNTER.Enum(),
|
|
Metric: []*dto.Metric{
|
|
{
|
|
Label: []*dto.LabelPair{
|
|
{Name: proto.String("method"), Value: proto.String("post")},
|
|
{Name: proto.String("code"), Value: proto.String("200")},
|
|
{Name: proto.String("key"), Value: proto.String("value")},
|
|
},
|
|
Counter: &dto.Counter{Value: proto.Float64(1027)},
|
|
TimestampMs: proto.Int64(1395066363000),
|
|
},
|
|
},
|
|
},
|
|
{
|
|
Name: proto.String("cpu_seconds_total"),
|
|
Type: dto.MetricType_COUNTER.Enum(),
|
|
Metric: []*dto.Metric{
|
|
{
|
|
Counter: &dto.Counter{Value: proto.Float64(12345.6)},
|
|
Label: []*dto.LabelPair{
|
|
{Name: proto.String("key"), Value: proto.String("value")},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
}
|
|
|
|
for _, tt := range tests {
|
|
t.Run(tt.name, func(t *testing.T) {
|
|
reader := strings.NewReader(tt.input)
|
|
got, err := collect(prometheus.AddLabels(
|
|
prometheus.NewMetricFamilyStream(reader),
|
|
tt.addLabels,
|
|
))
|
|
require.NoError(t, err)
|
|
diff := cmp.Diff(tt.expected, got, protocmp.Transform(), cmpopts.IgnoreUnexported(dto.MetricFamily{}, dto.Metric{}, dto.LabelPair{}, dto.Counter{}))
|
|
require.Empty(t, diff)
|
|
})
|
|
}
|
|
}
|