DB.Migrator().DropTable(&AddressByZipCode{})
	if err := DB.AutoMigrate(&AddressByZipCode{}); err != nil {
		t.Fatalf("failed to migrate, got error %v", err)
	}

	address := AddressByZipCode{ZipCode: "00501", Address: "Holtsville"}
	DB.Create(&address)

	var result AddressByZipCode
	DB.First(&result, "00501")

	AssertEqual(t, result, address)
}

func TestSearchWithEmptyChain(t *testing.T) {