feat: sync durable moderation and appeals

internal/domain/client_telemetry_test.go

@@ -0,0 +1,65 @@
+package domain
+
+import (
+	"errors"
+	"testing"
+	"time"
+)
+
+func TestNewClientTelemetryEventCanonicalizesSubjectsAndMinuteIdempotency(t *testing.T) {
+	now := time.Unix(1_750_000_000, 0).UTC().Truncate(time.Minute).Add(time.Second)
+	peer := Peer{Type: PeerTypeUser, ID: 22}
+	first, err := NewClientTelemetryEvent(
+		11, ClientTelemetryMessageDelivery, peer, []int64{3, 1, 2},
+		map[string]any{"push": true}, now,
+	)
+	if err != nil {
+		t.Fatal(err)
+	}
+	retry, err := NewClientTelemetryEvent(
+		11, ClientTelemetryMessageDelivery, peer, []int64{2, 3, 1},
+		struct {
+			Push bool `json:"push"`
+		}{Push: true},
+		now.Add(30*time.Second),
+	)
+	if err != nil {
+		t.Fatal(err)
+	}
+	if got := first.SubjectIDs; len(got) != 3 ||
+		got[0] != 1 || got[1] != 2 || got[2] != 3 {
+		t.Fatalf("canonical subjects = %v", got)
+	}
+	if first.Fingerprint != retry.Fingerprint {
+		t.Fatal("same telemetry inside one minute must have one fingerprint")
+	}
+	nextMinute, err := NewClientTelemetryEvent(
+		11, ClientTelemetryMessageDelivery, peer, []int64{1, 2, 3},
+		map[string]any{"push": true}, now.Add(time.Minute),
+	)
+	if err != nil {
+		t.Fatal(err)
+	}
+	if nextMinute.Fingerprint == first.Fingerprint {
+		t.Fatal("a new minute bucket must produce a new fingerprint")
+	}
+}
+
+func TestNewClientTelemetryEventRejectsDuplicateSubjectsAndInvalidPeer(t *testing.T) {
+	now := time.Now().UTC()
+	_, err := NewClientTelemetryEvent(
+		11, ClientTelemetryReadMetrics,
+		Peer{Type: PeerTypeUser, ID: 22},
+		[]int64{1, 1}, map[string]any{"metrics": []int{1}}, now,
+	)
+	if !errors.Is(err, ErrClientTelemetryInvalid) {
+		t.Fatalf("duplicate subjects err=%v", err)
+	}
+	_, err = NewClientTelemetryEvent(
+		11, ClientTelemetryMessageDelivery, Peer{},
+		[]int64{1}, map[string]any{"push": true}, now,
+	)
+	if !errors.Is(err, ErrClientTelemetryInvalid) {
+		t.Fatalf("missing message peer err=%v", err)
+	}
+}