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package prometheus
import (
"testing"
"github.com/prometheus/client_golang/prometheus"
dto "github.com/prometheus/client_model/go"
"github.com/stretchr/testify/assert"
)
func TestGauge_Add(t *testing.T) {
g := &Gauge{gg: prometheus.NewGauge(prometheus.GaugeOpts{
Name: "test_gauge_add",
})}
var expectValue float64 = 42
g.Add(expectValue)
var res dto.Metric
err := g.gg.Write(&res)
assert.NoError(t, err)
assert.Equal(t, expectValue, res.GetGauge().GetValue())
}
func TestGauge_Set(t *testing.T) {
g := &Gauge{gg: prometheus.NewGauge(prometheus.GaugeOpts{
Name: "test_gauge_set",
})}
var expectValue float64 = 42
g.Set(expectValue)
var res dto.Metric
err := g.gg.Write(&res)
assert.NoError(t, err)
assert.Equal(t, expectValue, res.GetGauge().GetValue())
}
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