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#
#   http://www.apache.org/licenses/LICENSE-2.0
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class TestGandivaFunctionRegistry < Test::Unit::TestCase
  include Helper::DataType

  def setup
    omit("Gandiva is required") unless defined?(::Gandiva)
    @registry = Gandiva::FunctionRegistry.default
  end

  sub_test_case("lookup") do
    def test_found
      native_function = @registry.native_functions[0]
      assert_equal(native_function,
                   @registry.lookup(native_function.signatures[0]))
    end

    def test_not_found
      signature = Gandiva::FunctionSignature.new("nonexistent",
                                                 [],
                                                 boolean_data_type)
      assert_nil(@registry.lookup(signature))
    end
  end

  def test_native_functions
    assert_equal([Gandiva::NativeFunction],
                 @registry.native_functions.collect(&:class).uniq)
  end
end
