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package metrics
import (
"testing"
json "github.com/json-iterator/go"
"github.com/prometheus/client_golang/prometheus"
"github.com/spiral/roadrunner/service"
"github.com/stretchr/testify/assert"
)
type mockCfg struct{ cfg string }
func (cfg *mockCfg) Get(name string) service.Config { return nil }
func (cfg *mockCfg) Unmarshal(out interface{}) error {
j := json.ConfigCompatibleWithStandardLibrary
return j.Unmarshal([]byte(cfg.cfg), out)
}
func Test_Config_Hydrate_Error1(t *testing.T) {
cfg := &mockCfg{`{"request": {"From": "Something"}}`}
c := &Config{}
assert.NoError(t, c.Hydrate(cfg))
}
func Test_Config_Hydrate_Error2(t *testing.T) {
cfg := &mockCfg{`{"dir": "/dir/"`}
c := &Config{}
assert.Error(t, c.Hydrate(cfg))
}
func Test_Config_Metrics(t *testing.T) {
cfg := &mockCfg{`{
"collect":{
"metric1":{"type": "gauge"},
"metric2":{ "type": "counter"},
"metric3":{"type": "summary"},
"metric4":{"type": "histogram"}
}
}`}
c := &Config{}
assert.NoError(t, c.Hydrate(cfg))
m, err := c.getCollectors()
assert.NoError(t, err)
assert.IsType(t, prometheus.NewGauge(prometheus.GaugeOpts{}), m["metric1"])
assert.IsType(t, prometheus.NewCounter(prometheus.CounterOpts{}), m["metric2"])
assert.IsType(t, prometheus.NewSummary(prometheus.SummaryOpts{}), m["metric3"])
assert.IsType(t, prometheus.NewHistogram(prometheus.HistogramOpts{}), m["metric4"])
}
func Test_Config_MetricsVector(t *testing.T) {
cfg := &mockCfg{`{
"collect":{
"metric1":{"type": "gauge","labels":["label"]},
"metric2":{ "type": "counter","labels":["label"]},
"metric3":{"type": "summary","labels":["label"]},
"metric4":{"type": "histogram","labels":["label"]}
}
}`}
c := &Config{}
assert.NoError(t, c.Hydrate(cfg))
m, err := c.getCollectors()
assert.NoError(t, err)
assert.IsType(t, prometheus.NewGaugeVec(prometheus.GaugeOpts{}, []string{}), m["metric1"])
assert.IsType(t, prometheus.NewCounterVec(prometheus.CounterOpts{}, []string{}), m["metric2"])
assert.IsType(t, prometheus.NewSummaryVec(prometheus.SummaryOpts{}, []string{}), m["metric3"])
assert.IsType(t, prometheus.NewHistogramVec(prometheus.HistogramOpts{}, []string{}), m["metric4"])
}
|
