| 1 | package daemon |
| 2 | |
| 3 | import ( |
| 4 | "context" |
| 5 | "testing" |
| 6 | |
| 7 | "github.com/FelineStateMachine/tinyrelay/internal/storage" |
| 8 | "github.com/prometheus/client_golang/prometheus" |
| 9 | dto "github.com/prometheus/client_model/go" |
| 10 | ) |
| 11 | |
| 12 | func TestQueueCollectorBoundsKindsAndAccumulatesScrapeFailures(t *testing.T) { |
| 13 | store, err := storage.Open(context.Background(), t.TempDir()+"/relay.db" ) |
| 14 | if err != nil { |
| 15 | t.Fatal(err) |
| 16 | } |
| 17 | app := &App{tenants: map[string]*Tenant{"one" : {store: store}}} |
| 18 | collector := app.QueueCollector() |
| 19 | registry := prometheus.NewPedanticRegistry() |
| 20 | if err := registry.Register(collector); err != nil { |
| 21 | t.Fatal(err) |
| 22 | } |
| 23 | if _, err := store.DB().Exec(`INSERT INTO work_intents(id,kind,event_id,target,payload,next_at,created_at,updated_at) VALUES('id','unbounded','event','target','{}',0,0,0)` ); err != nil { |
| 24 | t.Fatal(err) |
| 25 | } |
| 26 | families, err := registry.Gather() |
| 27 | if err != nil { |
| 28 | t.Fatal(err) |
| 29 | } |
| 30 | if got := metricValue(families, "relay_work_pending" , "kind" , "other" ); got != 1 { |
| 31 | t.Fatalf("other pending = %v" , got) |
| 32 | } |
| 33 | if err := store.Close(); err != nil { |
| 34 | t.Fatal(err) |
| 35 | } |
| 36 | first := gatherMetric(t, registry.Gather, "relay_work_collection_errors_total" ) |
| 37 | second := gatherMetric(t, registry.Gather, "relay_work_collection_errors_total" ) |
| 38 | if first < 1 || second <= first { |
| 39 | t.Fatalf("scrape errors are not cumulative: first=%v second=%v" , first, second) |
| 40 | } |
| 41 | } |
| 42 | |
| 43 | func metricValue(families []*dto.MetricFamily, name, labelName, labelValue string) float64 { |
| 44 | for _, family := range families { |
| 45 | if family.GetName() != name { |
| 46 | continue |
| 47 | } |
| 48 | for _, metric := range family.GetMetric() { |
| 49 | for _, label := range metric.GetLabel() { |
| 50 | if label.GetName() == labelName && label.GetValue() == labelValue { |
| 51 | return metric.GetGauge().GetValue() |
| 52 | } |
| 53 | } |
| 54 | } |
| 55 | } |
| 56 | return 0 |
| 57 | } |
| 58 | |
| 59 | func gatherMetric(t *testing.T, gather func() ([]*dto.MetricFamily, error), name string) float64 { |
| 60 | t.Helper() |
| 61 | families, err := gather() |
| 62 | if err != nil { |
| 63 | t.Fatal(err) |
| 64 | } |
| 65 | for _, family := range families { |
| 66 | if family.GetName() == name && len(family.GetMetric()) > 0 { |
| 67 | return family.GetMetric()[0].GetCounter().GetValue() |
| 68 | } |
| 69 | } |
| 70 | return 0 |
| 71 | } |