open-nomad/api/operator_metrics_test.go

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package api
import (
"testing"
"github.com/stretchr/testify/require"
)
func TestOperator_MetricsSummary(t *testing.T) {
t.Parallel()
c, s := makeClient(t, nil, nil)
defer s.Stop()
operator := c.Operator()
qo := &QueryOptions{
Params: map[string]string{
"pretty": "1",
},
}
metrics, qm, err := operator.MetricsSummary(qo)
require.NoError(t, err)
require.NotNil(t, metrics)
require.NotNil(t, qm)
require.NotNil(t, metrics.Timestamp) // should always get a TimeStamp
require.GreaterOrEqual(t, len(metrics.Points), 0) // may not have points yet
require.GreaterOrEqual(t, len(metrics.Gauges), 1) // should have at least 1 gauge
require.GreaterOrEqual(t, len(metrics.Counters), 1) // should have at least 1 counter
require.GreaterOrEqual(t, len(metrics.Samples), 1) // should have at least 1 sample
}
func TestOperator_Metrics_Prometheus(t *testing.T) {
t.Parallel()
c, s := makeClient(t, nil, nil)
defer s.Stop()
operator := c.Operator()
qo := &QueryOptions{
Params: map[string]string{
"format": "prometheus",
},
}
metrics, err := operator.Metrics(qo)
require.NoError(t, err)
require.NotNil(t, metrics)
metricString := string(metrics[:])
require.Containsf(t, metricString, "# HELP", "expected Prometheus format containing \"# HELP\", got: \n%s", metricString)
}