Publish ITWorx Pulse source

internal/freshness/evaluator_test.go

@@ -0,0 +1,40 @@
+package freshness
+
+import (
+	"github.com/itworx/pulse/internal/datasource"
+	"testing"
+	"time"
+)
+
+func TestRequiredStaleSourceIsUnknownWithAge(t *testing.T) {
+	now := time.Date(2026, 8, 1, 12, 0, 0, 0, time.UTC)
+	result, err := Evaluate(Input{SourceID: "prom", Required: true, Now: now, Health: datasource.SourceHealth{State: datasource.HealthHealthy, ObservedAt: now.Add(-2 * time.Minute), ReceivedAt: now, Policy: datasource.FreshnessPolicy{MaxAge: time.Minute}}})
+	if err != nil {
+		t.Fatal(err)
+	}
+	if result.State != datasource.HealthUnknown || result.Age == nil || *result.Age != 2*time.Minute {
+		t.Fatalf("unexpected stale result: %+v", result)
+	}
+}
+func TestRecoveryEventOnlyFollowsUnknown(t *testing.T) {
+	now := time.Now().UTC()
+	health := datasource.SourceHealth{State: datasource.HealthHealthy, ObservedAt: now, ReceivedAt: now, Policy: datasource.FreshnessPolicy{MaxAge: time.Minute}}
+	result, err := Evaluate(Input{SourceID: "prom", Previous: datasource.HealthUnknown, Health: health, Now: now})
+	if err != nil || !result.Recovery || result.Event != "DATASOURCE_RECOVERED" {
+		t.Fatalf("unexpected recovery: %+v %v", result, err)
+	}
+	result, err = Evaluate(Input{SourceID: "prom", Previous: datasource.HealthHealthy, Health: health, Now: now})
+	if err != nil || result.Recovery {
+		t.Fatal("false recovery event")
+	}
+}
+func TestMissingTelemetryNeverBecomesHealthy(t *testing.T) {
+	now := time.Now().UTC()
+	result, err := Evaluate(Input{SourceID: "prom", Required: true, Previous: datasource.HealthUnknown, Now: now, Health: datasource.SourceHealth{State: datasource.HealthUnknown, ReceivedAt: now, Policy: datasource.FreshnessPolicy{MaxAge: time.Minute}}})
+	if err != nil {
+		t.Fatal(err)
+	}
+	if result.State == datasource.HealthHealthy {
+		t.Fatal("missing telemetry became healthy")
+	}
+}