package models import ( "encoding/json" "strings" "testing" ) func TestPublicUserOmitsPhone(t *testing.T) { u := &User{ID: "u1", Email: "user@test.local", Phone: "+15551234567", Name: "Tester"} pub, err := json.Marshal(u.Public()) if err != nil { t.Fatalf("marshal public: %v", err) } if strings.Contains(string(pub), "phone") || strings.Contains(string(pub), "+15551234567") { t.Fatalf("PublicUser leaks phone: %s", pub) } self, err := json.Marshal(u.Self()) if err != nil { t.Fatalf("marshal self: %v", err) } if !strings.Contains(string(self), "+15551234567") { t.Fatalf("SelfUser missing phone: %s", self) } if !strings.Contains(string(self), `"phone"`) { t.Fatalf("SelfUser phone not serialized: %s", self) } }