44 lines
1.0 KiB
Go
44 lines
1.0 KiB
Go
package infra
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import "testing"
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func TestCollectHostMetrics_ReturnsBasics(t *testing.T) {
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samples, err := CollectHostMetrics()
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if err != nil {
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t.Fatalf("unexpected error: %v", err)
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}
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if len(samples) == 0 {
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t.Fatal("expected at least one sample")
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}
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// node_uptime_seconds es el unico colector imprescindible: debe estar siempre.
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found := false
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for _, s := range samples {
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if s.Name == "node_uptime_seconds" {
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found = true
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if s.Value <= 0 {
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t.Errorf("node_uptime_seconds should be positive, got %v", s.Value)
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}
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}
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}
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if !found {
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t.Error("node_uptime_seconds not present in samples")
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}
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}
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func TestCollectHostMetrics_SamplesWellFormed(t *testing.T) {
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samples, err := CollectHostMetrics()
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if err != nil {
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t.Fatalf("unexpected error: %v", err)
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}
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for i, s := range samples {
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if s.Name == "" {
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t.Errorf("sample %d has empty Name", i)
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}
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// La label "instance" NO debe estar: la añade el pusher.
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if _, ok := s.Labels["instance"]; ok {
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t.Errorf("sample %d (%s) must not carry the instance label", i, s.Name)
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}
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}
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}
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