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55 lines
1.2 KiB
55 lines
1.2 KiB
package prometheus |
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import ( |
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"fmt" |
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"testing" |
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"github.com/prometheus/client_golang/prometheus" |
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) |
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func TestGuage(t *testing.T) { |
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expect := `# HELP test_request_test_guage_metric test |
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# TYPE test_request_test_guage_metric gauge |
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test_request_test_guage_metric{code="test",kind="test",operation="test",reason="test"} %d |
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` |
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guageVec := prometheus.NewGaugeVec(prometheus.GaugeOpts{ |
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Namespace: "test", |
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Name: "test_guage_metric", |
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Subsystem: "request", |
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Help: "test", |
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}, []string{"kind", "operation", "code", "reason"}) |
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guage := NewGauge(guageVec) |
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guage.With("test", "test", "test", "test").Set(1) |
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reg := prometheus.NewRegistry() |
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reg.MustRegister(guageVec) |
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result, err := gatherLatest(reg) |
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if err != nil { |
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t.Fatal(err) |
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} |
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if result != fmt.Sprintf(expect, 1) { |
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t.Fatal("metrics error") |
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} |
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guage.With("test", "test", "test", "test").Add(1) |
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result, err = gatherLatest(reg) |
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if err != nil { |
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t.Fatal(err) |
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} |
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if result != fmt.Sprintf(expect, 2) { |
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t.Fatal("metrics error") |
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} |
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guage.With("test", "test", "test", "test").Sub(1) |
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result, err = gatherLatest(reg) |
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if err != nil { |
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t.Fatal(err) |
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} |
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if result != fmt.Sprintf(expect, 1) { |
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t.Fatal("metrics error") |
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} |
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}
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