feat(mac-locations): VLAN-aware port MAC counts, access/trunk thresholds, likely_attachment

Made-with: Cursor

internal/scans/portfdb_test.go

@@ -0,0 +1,22 @@
+package scans
+
+import "testing"
+
+func TestClassifyPortKind(t *testing.T) {
+	const accessMax, trunkMin = 8, 32
+	if g := ClassifyPortKind(1, accessMax, trunkMin); g != "access" {
+		t.Fatalf("1 -> access, got %q", g)
+	}
+	if g := ClassifyPortKind(8, accessMax, trunkMin); g != "access" {
+		t.Fatalf("8 -> access, got %q", g)
+	}
+	if g := ClassifyPortKind(9, accessMax, trunkMin); g != "ambiguous" {
+		t.Fatalf("9 -> ambiguous, got %q", g)
+	}
+	if g := ClassifyPortKind(31, accessMax, trunkMin); g != "ambiguous" {
+		t.Fatalf("31 -> ambiguous, got %q", g)
+	}
+	if g := ClassifyPortKind(32, accessMax, trunkMin); g != "strong_transit" {
+		t.Fatalf("32 -> strong_transit, got %q", g)
+	}
+}