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41 lines
961 B
Go
41 lines
961 B
Go
package metric
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import (
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"testing"
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"time"
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"github.com/prometheus/common/model"
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"github.com/stretchr/testify/assert"
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)
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func TestGaugeExpiration(t *testing.T) {
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t.Parallel()
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cfg := GaugeConfig{
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Action: "inc",
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}
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gag, err := NewGauges("test1", "HELP ME!!!!!", cfg, 1)
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assert.Nil(t, err)
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// Create a label and increment the gauge
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lbl1 := model.LabelSet{}
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lbl1["test"] = "app"
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gag.With(lbl1).Inc()
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// Collect the metrics, should still find the metric in the map
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collect(gag)
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assert.Contains(t, gag.metrics, lbl1.Fingerprint())
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time.Sleep(1100 * time.Millisecond) // Wait just past our max idle of 1 sec
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//Add another gauge with new label val
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lbl2 := model.LabelSet{}
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lbl2["test"] = "app2"
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gag.With(lbl2).Inc()
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// Collect the metrics, first gauge should have expired and removed, second should still be present
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collect(gag)
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assert.NotContains(t, gag.metrics, lbl1.Fingerprint())
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assert.Contains(t, gag.metrics, lbl2.Fingerprint())
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}
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