111 lines
3.2 KiB
Go
111 lines
3.2 KiB
Go
package metricsutil
|
|
|
|
import (
|
|
"testing"
|
|
"time"
|
|
|
|
"github.com/armon/go-metrics"
|
|
)
|
|
|
|
func isLabelPresent(toFind Label, ls []Label) bool {
|
|
for _, l := range ls {
|
|
if l == toFind {
|
|
return true
|
|
}
|
|
}
|
|
return false
|
|
}
|
|
|
|
// We can use a sink directly, or wrap the top-level
|
|
// go-metrics implementation for testing purposes.
|
|
func defaultMetrics(sink metrics.MetricSink) *metrics.Metrics {
|
|
// No service name
|
|
config := metrics.DefaultConfig("")
|
|
|
|
// No host name
|
|
config.EnableHostname = false
|
|
m, _ := metrics.New(config, sink)
|
|
return m
|
|
}
|
|
|
|
func TestClusterLabelPresent(t *testing.T) {
|
|
testClusterName := "test-cluster"
|
|
|
|
// Use a ridiculously long time to minimize the chance
|
|
// that we have to deal with more than one interval.
|
|
// InMemSink rounds down to an interval boundary rather than
|
|
// starting one at the time of initialization.
|
|
inmemSink := metrics.NewInmemSink(
|
|
1000000*time.Hour,
|
|
2000000*time.Hour)
|
|
clusterSink := NewClusterMetricSink(testClusterName, defaultMetrics(inmemSink))
|
|
|
|
key1 := []string{"aaa", "bbb"}
|
|
key2 := []string{"ccc", "ddd"}
|
|
key3 := []string{"eee", "fff"}
|
|
labels1 := []Label{{"dim1", "val1"}}
|
|
labels2 := []Label{{"dim2", "val2"}}
|
|
labels3 := []Label{{"dim3", "val3"}}
|
|
clusterLabel := Label{"cluster", testClusterName}
|
|
expectedKey1 := "aaa.bbb;dim1=val1;cluster=" + testClusterName
|
|
expectedKey2 := "ccc.ddd;dim2=val2;cluster=" + testClusterName
|
|
expectedKey3 := "eee.fff;dim3=val3;cluster=" + testClusterName
|
|
|
|
clusterSink.SetGaugeWithLabels(key1, 1.0, labels1)
|
|
clusterSink.IncrCounterWithLabels(key2, 2.0, labels2)
|
|
clusterSink.AddSampleWithLabels(key3, 3.0, labels3)
|
|
|
|
intervals := inmemSink.Data()
|
|
// If we start very close to the end of an interval, then our metrics might be
|
|
// split across two different buckets. We won't write the code to try to handle that.
|
|
// 100000-hours = at most once every 4167 days
|
|
if len(intervals) > 1 {
|
|
t.Skip("Detected interval crossing.")
|
|
}
|
|
|
|
// Check Gauge
|
|
g, ok := intervals[0].Gauges[expectedKey1]
|
|
if !ok {
|
|
t.Fatal("Key", expectedKey1, "not found in map", intervals[0].Gauges)
|
|
}
|
|
if g.Value != 1.0 {
|
|
t.Error("Gauge value", g.Value, "does not match", 1.0)
|
|
}
|
|
if !isLabelPresent(labels1[0], g.Labels) {
|
|
t.Error("Gauge label", g.Labels, "does not include", labels1)
|
|
}
|
|
if !isLabelPresent(clusterLabel, g.Labels) {
|
|
t.Error("Gauge label", g.Labels, "does not include", clusterLabel)
|
|
}
|
|
|
|
// Check Counter
|
|
c, ok := intervals[0].Counters[expectedKey2]
|
|
if !ok {
|
|
t.Fatal("Key", expectedKey2, "not found in map", intervals[0].Counters)
|
|
}
|
|
if c.Sum != 2.0 {
|
|
t.Error("Counter value", c.Sum, "does not match", 2.0)
|
|
}
|
|
if !isLabelPresent(labels2[0], c.Labels) {
|
|
t.Error("Counter label", c.Labels, "does not include", labels2)
|
|
}
|
|
if !isLabelPresent(clusterLabel, c.Labels) {
|
|
t.Error("Counter label", c.Labels, "does not include", clusterLabel)
|
|
}
|
|
|
|
// Check Sample
|
|
s, ok := intervals[0].Samples[expectedKey3]
|
|
if !ok {
|
|
t.Fatal("Key", expectedKey3, "not found in map", intervals[0].Samples)
|
|
}
|
|
if s.Sum != 3.0 {
|
|
t.Error("Sample value", s.Sum, "does not match", 3.0)
|
|
}
|
|
if !isLabelPresent(labels3[0], s.Labels) {
|
|
t.Error("Sample label", s.Labels, "does not include", labels3)
|
|
}
|
|
if !isLabelPresent(clusterLabel, s.Labels) {
|
|
t.Error("Sample label", s.Labels, "does not include", clusterLabel)
|
|
}
|
|
}
|