text: import os
  from tempfile import TemporaryDirectory
  
  import pytest
  from hypothesis import given, settings
  
  from converter.config import Config
  from converter.connector import BaseConnector
  from converter.files.yaml import write_yaml
  from converter.mapping import BaseMapping, FileMapping
  from converter.runner import BaseRunner
  from converter.runner.base import BaseAsyncRunner
  from tests.connector.fakes import FakeConnector
  from tests.runner.stategies import runners
  
  
  @given(runner_class=runners())
  @settings(deadline=None)
  def test_mapping_applies_to_all_cols___forward_and_reverse_gets_to_the_input(
      runner_class,
  ):
      input_data = [
          {"a": 1, "b": 2},
          {"a": 3, "b": 4},
          {"a": 5, "b": 6},
          {"a": 7, "b": 8},
      ]
  
      with TemporaryDirectory() as search:
          write_yaml(
              os.path.join(search, "A-B.yml"),
              {
                  "input_format": "A",
                  "output_format": "B",
                  "forward": {
                      "transform": {
                          "c": [{"transformation": "a * 2"}],
                          "d": [{"transformation": "b + 3"}],
                      }
                  },
                  "reverse": {
                      "transform": {
                          "a": [{"transformation": "c / 2"}],
                          "b": [{"transformation": "d - 3"}],
                      }
                  },
              },
          )
  
          # run forward
          forward_mapping = FileMapping(
              Config(),
              input_format="A",
              output_format="B",
              standard_search_path=search,
              search_working_dir=False,
          )
          forward_extractor = FakeConnector(data=input_data)
          forward_loader = FakeConnector()
  
          runner_class(Config()).run(
              forward_extractor, forward_mapping, forward_loader
          )
  
          assert list(forward_loader.data) == [
              {"c": 2, "d": 5},
              {"c": 6, "d": 7},
              {"c": 10, "d": 9},
              {"c": 14, "d": 11},
          ]
  
          # reverse runner
          reverse_mapping = FileMapping(
              Config(),
              input_format="B",
              output_format="A",
              standard_search_path=search,
              search_working_dir=False,
          )
          reverse_extractor = forward_loader
          reverse_loader = FakeConnector()
  
          runner_class(Config()).run(
              reverse_extractor, reverse_mapping, reverse_loader
          )
  
          assert list(reverse_loader.data) == input_data
  
  
  @given(runner_class=runners())
  @settings(deadline=None)
  def test_multiple_mapping_steps___forward_and_reverse_gets_to_the_input(
      runner_class,
  ):
      input_data = [
          {"a": 1, "b": 2},
          {"a": 3, "b": 4},
          {"a": 5, "b": 6},
          {"a": 7, "b": 8},
      ]
  
      with TemporaryDirectory() as search:
          write_yaml(
              os.path.join(search, "A-B.yml"),
              {
                  "input_format": "A",
                  "output_format": "B",
                  "forward": {
                      "transform": {
                          "c": [{"transformation": "a * 2"}],
                          "d": [{"transformation": "b + 3"}],
                      }
                  },
                  "reverse": {
                      "transform": {
                          "a": [{"transformation": "c / 2"}],
                          "b": [{"transformation": "d - 3"}],
                      }
                  },
              },
          )
          write_yaml(
              os.path.join(search, "B-C.yml"),
              {
                  "input_format": "B",
                  "output_format": "C",
                  "forward": {
                      "transform": {
                          "e": [{"transformation": "c * 3"}],
                          "f": [{"transformation": "d + 4"}],
                      }
                  },
                  "reverse": {
                      "transform": {
                          "c": [{"transformation": "e / 3"}],
                          "d": [{"transformation": "f - 4"}],
                      }
                  },
              },
          )
  
          # run forward
          forward_mapping = FileMapping(
              Config(),
              input_format="A",
              output_format="C",
              standard_search_path=search,
              search_working_dir=False,
          )
          forward_extractor = FakeConnector(data=input_data)
          forward_loader = FakeConnector()
  
          runner_class(Config()).run(
              forward_extractor, forward_mapping, forward_loader
          )
  
          assert list(forward_loader.data) == [
              {"e": 6, "f": 9},
              {"e": 18, "f": 11},
              {"e": 30, "f": 13},
              {"e": 42, "f": 15},
          ]
  
          # reverse runner
          reverse_mapping = FileMapping(
              Config(),
              input_format="C",
              output_format="A",
              standard_search_path=search,
              search_working_dir=False,
          )
          reverse_extractor = forward_loader
          reverse_loader = FakeConnector()
  
          runner_class(Config()).run(
              reverse_extractor, reverse_mapping, reverse_loader
          )
  
          assert list(reverse_loader.data) == input_data
  
  
  @given(runner_class=runners())
  @settings(deadline=None)
  def test_multiple_transforms_could_apply___first_is_applied(
      runner_class,
  ):
      input_data = [
          {"a": 1, "b": 2},
          {"a": 3, "b": 4},
          {"a": 5, "b": 6},
          {"a": 7, "b": 8},
      ]
  
      with TemporaryDirectory() as search:
          write_yaml(
              os.path.join(search, "A-B.yml"),
              {
                  "input_format": "A",
                  "output_format": "B",
                  "forward": {
                      "transform": {
                          "c": [
                              {"transformation": "a * 2"},
                              {"transformation": "a * 4"},
                          ],
                          "d": [{"transformation": "b + 3"}],
                      }
                  },
                  "reverse": {
                      "transform": {
                          "a": [{"transformation": "c / 2"}],
                          "b": [{"transformation": "d - 3"}],
                      }
                  },
              },
          )
  
          # run forward
          forward_mapping = FileMapping(
              Config(),
              input_format="A",
              output_format="B",
              standard_search_path=search,
              search_working_dir=False,
          )
          forward_extractor = FakeConnector(data=input_data)
          forward_loader = FakeConnector()
  
          runner_class(Config()).run(
              forward_extractor, forward_mapping, forward_loader
          )
  
          assert list(forward_loader.data) == [
              {"c": 2, "d": 5},
              {"c": 6, "d": 7},
              {"c": 10, "d": 9},
              {"c": 14, "d": 11},
          ]
  
          # reverse runner
          reverse_mapping = FileMapping(
              Config(),
              input_format="B",
              output_format="A",
              standard_search_path=search,
              search_working_dir=False,
          )
          reverse_extractor = forward_loader
          reverse_loader = FakeConnector()
  
          runner_class(Config()).run(
              reverse_extractor, reverse_mapping, reverse_loader
          )
  
          assert list(reverse_loader.data) == input_data
  
  
  @given(runner_class=runners())
  @settings(deadline=None)
  def test_row_is_value___value_is_set_on_all_columns(
      runner_class,
  ):
      input_data = [
          {"a": 1, "b": 2},
          {"a": 3, "b": 4},
          {"a": 5, "b": 6},
          {"a": 7, "b": 8},
      ]
  
      with TemporaryDirectory() as search:
          write_yaml(
              os.path.join(search, "A-B.yml"),
              {
                  "input_format": "A",
                  "output_format": "B",
                  "forward": {
                      "transform": {
                          "c": [{"transformation": "a * 2"}],
                          "d": [{"transformation": "b + 3"}],
                          "e": [{"transformation": "'foo'"}],
                      }
                  },
                  "reverse": {
                      "transform": {
                          "a": [{"transformation": "c / 2"}],
                          "b": [{"transformation": "d - 3"}],
                      }
                  },
              },
          )
  
          # run forward
          forward_mapping = FileMapping(
              Config(),
              input_format="A",
              output_format="B",
              standard_search_path=search,
              search_working_dir=False,
          )
          forward_extractor = FakeConnector(data=input_data)
          forward_loader = FakeConnector()
  
          runner_class(Config()).run(
              forward_extractor, forward_mapping, forward_loader
          )
  
          assert list(forward_loader.data) == [
              {"c": 2, "d": 5, "e": "foo"},
              {"c": 6, "d": 7, "e": "foo"},
              {"c": 10, "d": 9, "e": "foo"},
              {"c": 14, "d": 11, "e": "foo"},
          ]
  
          # reverse runner
          reverse_mapping = FileMapping(
              Config(),
              input_format="B",
              output_format="A",
              standard_search_path=search,
              search_working_dir=False,
          )
          reverse_extractor = forward_loader
          reverse_loader = FakeConnector()
  
          runner_class(Config()).run(
              reverse_extractor, reverse_mapping, reverse_loader
          )
  
          assert list(reverse_loader.data) == input_data
  
  
  def test_base_transform_raises():
      with pytest.raises(NotImplementedError):
          BaseRunner(Config()).transform(
              BaseConnector(Config()),
              BaseMapping(Config(), input_format="A", output_format="B"),
          )
  
  
  @pytest.mark.asyncio
  async def test_base_async_transform_raises():
      with pytest.raises(NotImplementedError):
          [
              row
              async for row in BaseAsyncRunner(Config()).transform(
                  BaseConnector(Config()),
                  BaseMapping(Config(), input_format="A", output_format="B"),
              )
          ]
  