text: import pytest
  from mypy.nodes import Var
  from mypy.types import NoneType
  
  from testing.util import MypyNodeFactory
  
  from .compare import ComparisonResult, MatchResult, compare_symbols
  
  
  def assert_match(result: ComparisonResult) -> None:
      assert result.match_result is MatchResult.MATCH
  
  
  def assert_mismatch(result: ComparisonResult) -> None:
      assert result.match_result is MatchResult.MISMATCH
  
  
  class TestMatchResult:
      def test_declare_mismatch(self) -> None:
          assert MatchResult.declare_mismatch("not_found") is MatchResult.NOT_FOUND
          assert MatchResult.declare_mismatch("mismatch") is MatchResult.MISMATCH
          assert (
              MatchResult.declare_mismatch("mislocated_symbol")
              is MatchResult.MISLOCATED_SYMBOL
          )
          with pytest.raises(ValueError, match=r".*not a valid mismatch type.*"):
              MatchResult.declare_mismatch("match")
          with pytest.raises(ValueError, match=r".*not a valid mismatch type.*"):
              MatchResult.declare_mismatch("blablabla")
  
  
  class TestComparisonResult:
      def test_create_not_found_does_not_match(self) -> None:
          own_symbol = Var("x")
          data = {"fullname": "package.x"}
          result = ComparisonResult.create_not_found(own_symbol, data=data)
          assert result.match_result is MatchResult.NOT_FOUND
          assert result.symbol is own_symbol
          assert result.reference is None
          assert result.message is not None
          assert result.data is data
  
      def test_create_mismatch(self) -> None:
          own_symbol = Var("x", NoneType())
          other_symbol = Var("x", None)
          data = {"name_a": "package.x", "name_b": "package.x"}
          result = ComparisonResult.create_mismatch(own_symbol, other_symbol, data=data)
          assert result.match_result is MatchResult.MISMATCH
          assert result.symbol is own_symbol
          assert result.reference is other_symbol
          assert result.message is not None
          assert result.data is data
  
      def test_create_match(self) -> None:
          own_symbol = Var("x", NoneType())
          other_symbol = Var("x", NoneType())
          data = {"name_a": "package.x", "name_b": "package.x"}
          result = ComparisonResult.create_match(own_symbol, other_symbol, data=data)
          assert result.match_result is MatchResult.MATCH
          assert result.symbol is own_symbol
          assert result.reference is other_symbol
          assert result.message is not None
          assert result.data is data
  
  
  class TestCompareNone:
      def test_right_type_is_none_succeeds(self) -> None:
          own = Var("x", NoneType())  # the type of "None"
          other = Var("x", None)  # actually missing
          result = compare_symbols(own, other)
          assert result.match_result is MatchResult.MATCH
          assert result.message == "Generated type is None"
  
      def test_both_types_are_none_succeeds(self) -> None:
          own = Var("x", None)
          other = Var("x", None)
          result = compare_symbols(own, other)
          assert result.match_result is MatchResult.MATCH
  
      def test_left_is_none_fails(self) -> None:
          own = Var("x", None)  # actually missing
          other = Var("x", NoneType())  # the type of "None"
          result = compare_symbols(own, other)
          assert result.match_result is MatchResult.MISMATCH
  
      def test_both_types_are_none_type_succeeds(self) -> None:
          own = Var("x", NoneType())
          other = Var("x", NoneType())
          result = compare_symbols(own, other)
          assert result.match_result is MatchResult.MATCH
  
  
  class TestCompareTypeInfos:
      def test_type_infos_with_same_name_match(self, mypy_nodes: MypyNodeFactory) -> None:
          cls, cls_reference = mypy_nodes.get_class()
          result = compare_symbols(cls, cls_reference)
  
          assert result.match_result is MatchResult.MATCH
  
      def test_type_infos_with_different_names_mismatch(
          self, mypy_nodes: MypyNodeFactory
      ) -> None:
          a_cls, _ = mypy_nodes.get_class()
          antoher_cls, _ = mypy_nodes.get_another_class()
          result = compare_symbols(a_cls, antoher_cls)
  
          assert result.match_result is MatchResult.MISMATCH
  
  
  class TestComparePrimitiveVars:
      def test_bool_more_specific_than_int(self, mypy_nodes: MypyNodeFactory) -> None:
          int_var = mypy_nodes.get_int_var()
          bool_var = mypy_nodes.get_bool_var()
  
          result_a = compare_symbols(int_var, bool_var)
          result_b = compare_symbols(bool_var, int_var)
  
          assert result_a.match_result is MatchResult.MISMATCH
          assert result_b.match_result is MatchResult.MATCH
  
      def test_str_and_int_dont_match(self, mypy_nodes: MypyNodeFactory) -> None:
          int_var = mypy_nodes.get_int_var()
          str_var = mypy_nodes.get_str_var()
  
          result_a = compare_symbols(int_var, str_var)
          result_b = compare_symbols(str_var, int_var)
  
          assert result_a.match_result is MatchResult.MISMATCH
          assert result_b.match_result is MatchResult.MISMATCH
  
  
  class TestCompareMethods:
      def test_compare_method(self, mypy_nodes: MypyNodeFactory) -> None:
          meth, meth_ref = mypy_nodes.get_method()
          result = compare_symbols(meth, meth_ref)
          assert result.match_result is MatchResult.MATCH
  
      def test_compare_classmethod(self, mypy_nodes: MypyNodeFactory) -> None:
          meth, meth_ref = mypy_nodes.get_classmethod()
          result = compare_symbols(meth, meth_ref)
          assert result.match_result is MatchResult.MATCH
  
      def test_compare_overridden_method(self, mypy_nodes: MypyNodeFactory) -> None:
          override, override_meth = mypy_nodes.get_overridden_method()
          result = compare_symbols(override, override_meth)
          assert result.match_result is MatchResult.MATCH
  
      def test_compare_overridden_classmethod(self, mypy_nodes: MypyNodeFactory) -> None:
          override, override_meth = mypy_nodes.get_overridden_classmethod()
          result = compare_symbols(override, override_meth)
          assert result.match_result is MatchResult.MATCH
  
      def test_argument_order_wrong(self, mypy_nodes: MypyNodeFactory) -> None:
          meth, meth_ref = mypy_nodes.get_argument_order_wrong()
          result = compare_symbols(meth, meth_ref)
  
          assert result.match_result is MatchResult.MISMATCH
  
      def test_argument_names_wrong_does_mismatch(
          self, mypy_nodes: MypyNodeFactory
      ) -> None:
          meth, meth_ref = mypy_nodes.get_argument_names_wrong()
          result = compare_symbols(meth, meth_ref)
          assert result.match_result is MatchResult.MISMATCH
  
      def test_argument_types_wrong(self, mypy_nodes: MypyNodeFactory) -> None:
          meth, meth_ref = mypy_nodes.get_argument_types_wrong()
          result = compare_symbols(meth, meth_ref)
          assert result.match_result is MatchResult.MISMATCH
  
      def test_return_type_less_specific_does_match(
          self, mypy_nodes: MypyNodeFactory
      ) -> None:
          meth, meth_ref = mypy_nodes.get_return_type_less_specific()
          result = compare_symbols(meth, meth_ref)
          assert result.match_result is MatchResult.MATCH
  
      def test_return_type_wrong(self, mypy_nodes: MypyNodeFactory) -> None:
          meth, meth_ref = mypy_nodes.get_return_type_wrong()
          result = compare_symbols(meth, meth_ref)
          assert result.match_result is MatchResult.MISMATCH
  
  
  class TestCompareFunctions:
      def test_matching_functions(self, mypy_nodes: MypyNodeFactory) -> None:
          func_def, func_ref = mypy_nodes.get_matching_func_node()
          result = compare_symbols(func_def, func_ref)
          assert_match(result)
  
      def test_func_def_mismatches_when_handwritten_stub_has_additional_optional_args(
          self, mypy_nodes: MypyNodeFactory
      ) -> None:
          func_def, func_def_reference = mypy_nodes.get_additional_optional_args_node()
          result = compare_symbols(func_def, func_def_reference)
          assert result.match_result is MatchResult.MISMATCH
  
      def test_func_def_mismatches_when_handwritten_stub_has_additional_args(
          self, mypy_nodes: MypyNodeFactory
      ) -> None:
          func_def, func_def_reference = mypy_nodes.get_additional_args_node()
          result = compare_symbols(func_def, func_def_reference)
          assert result.match_result is MatchResult.MISMATCH
  
      def test_matching_with_arg_star(self, mypy_nodes: MypyNodeFactory) -> None:
          func, func_ref = mypy_nodes.get_matching_with_arg_star()
          result = compare_symbols(func, func_ref)
          assert_match(result)
  
      def test_matching_with_missing_arg_star(self, mypy_nodes: MypyNodeFactory) -> None:
          func, func_ref = mypy_nodes.get_matching_with_missing_arg_star()
          result = compare_symbols(func, func_ref)
          assert_mismatch(result)
  
      def test_mismatching_with_arg_star(self, mypy_nodes: MypyNodeFactory) -> None:
          func, func_ref = mypy_nodes.get_mismatching_with_arg_star()
          result = compare_symbols(func, func_ref)
          assert_mismatch(result)
  
      def test_mismatching_with_additional_arg_star(
          self, mypy_nodes: MypyNodeFactory
      ) -> None:
          func, func_ref = mypy_nodes.get_mismatching_with_additional_arg_star()
          result = compare_symbols(func, func_ref)
          assert_mismatch(result)
  
      def test_matching_with_kwarg_star2(self, mypy_nodes: MypyNodeFactory) -> None:
          func, func_ref = mypy_nodes.get_matching_with_kwarg_star2()
          result = compare_symbols(func, func_ref)
          assert_match(result)
  
      def test_matching_with_missing_kwarg_star2(
          self, mypy_nodes: MypyNodeFactory
      ) -> None:
          func, func_ref = mypy_nodes.get_matching_with_missing_kwarg_star2()
          result = compare_symbols(func, func_ref)
          assert_mismatch(result)
  
      def test_mismatching_with_kwarg_star2(self, mypy_nodes: MypyNodeFactory) -> None:
          func, func_ref = mypy_nodes.get_mismatching_with_kwarg_star2()
          result = compare_symbols(func, func_ref)
          assert_mismatch(result)
  
      def test_mismatching_with_additional_kwarg_star2(
          self, mypy_nodes: MypyNodeFactory
      ) -> None:
          func, func_ref = mypy_nodes.get_mismatching_with_additional_kwarg_star2()
          result = compare_symbols(func, func_ref)
          assert_mismatch(result)
  
      def test_overload_mismatches_if_any_handwritten_stub_has_additional_args(
          self, mypy_nodes: MypyNodeFactory
      ) -> None:
          (
              overloaded_def,
              overloaded_reference,
          ) = mypy_nodes.get_overloaded_additional_args_node()
          result = compare_symbols(overloaded_def, overloaded_reference)
          assert result.match_result is MatchResult.MISMATCH
  
      def test_overload_mismatch_if_any_handwritten_stub_has_additional_optional_args(
          self, mypy_nodes: MypyNodeFactory
      ) -> None:
          (
              overloaded_def,
              overloaded_reference,
          ) = mypy_nodes.get_overloaded_additional_optional_args_node()
          result = compare_symbols(overloaded_def, overloaded_reference)
          assert result.match_result is MatchResult.MISMATCH
  
      def test_decorated_function_matches(self, mypy_nodes: MypyNodeFactory) -> None:
          decorated, decorated_reference = mypy_nodes.get_decorated_function()
          result = compare_symbols(decorated, decorated_reference)
          assert result.match_result is MatchResult.MATCH
  
      def test_decorated_function_mismatches_when_handwritten_stub_has_additional_args(
          self, mypy_nodes: MypyNodeFactory
      ) -> None:
          decorated, decorated_reference = mypy_nodes.get_decorated_with_additional_args()
          result = compare_symbols(decorated, decorated_reference)
          assert result.match_result is MatchResult.MISMATCH
  
      def test_decorated_mismatches_if_handwritten_stub_has_additional_optional_args(
          self, mypy_nodes: MypyNodeFactory
      ) -> None:
          (
              decorated,
              decorated_reference,
          ) = mypy_nodes.get_decorated_with_additional_optional_args()
          result = compare_symbols(decorated, decorated_reference)
          assert result.match_result is MatchResult.MISMATCH
  
      def test_generated_has_no_parameters_and_return_type(
          self, mypy_nodes: MypyNodeFactory
      ) -> None:
          (
              func_def,
              func_def_reference,
          ) = mypy_nodes.get_no_parameters_and_return_type_node()
          result = compare_symbols(func_def, func_def_reference)
          assert result.match_result is MatchResult.MISMATCH
  
      def test_generated_has_no_parameters(self, mypy_nodes: MypyNodeFactory) -> None:
          func_def, func_def_reference = mypy_nodes.get_mismatch_with_zero_parameters()
          result = compare_symbols(func_def, func_def_reference)
          assert result.match_result is MatchResult.MISMATCH
  
      def test_no_annotation_matches_if_argc_matches(
          self, mypy_nodes: MypyNodeFactory
      ) -> None:
          func_def, func_def_reference = mypy_nodes.get_function_with_no_annotation()
          result = compare_symbols(func_def, func_def_reference)
          assert result.match_result is MatchResult.MATCH
  
      def test_args_with_no_annotation_matches_if_argc_matches(
          self, mypy_nodes: MypyNodeFactory
      ) -> None:
          (
              func_def,
              func_def_reference,
          ) = mypy_nodes.get_function_with_args_but_no_annotation()
          result = compare_symbols(func_def, func_def_reference)
          assert result.match_result is MatchResult.MATCH
  