text: from __future__ import annotations
  
  import os
  from concurrent.futures import ProcessPoolExecutor
  from pathlib import Path
  from typing import Iterable
  from unittest.mock import ANY, MagicMock, PropertyMock, patch
  
  import pytest
  
  from doddle import benchmarking, factory
  from doddle.benchmarking import Benchmark, BenchmarkPrinter, BenchmarkReporter, NullBenchmarkReporter
  from doddle.boards import Scoreboard
  from doddle.exceptions import InvalidWordleBotFileError
  from doddle.game import Game, SimultaneousGame
  from doddle.words import Word, WordSeries
  
  from .fake_dictionary import load_test_dictionary
  
  
  class TestBenchmark:
      def test_statistics(self) -> None:
          # Arrange
          guesses = [Word("START"), Word("TOWER")]
          histogram = {1: 1, 2: 76, 3: 1256, 4: 1031, 5: 52}
          games: list[Game] = []
  
          sut = Benchmark(guesses, histogram, games)
  
          # Act
          mean = sut.mean()
          num_games = sut.num_games()
          num_guesses = sut.num_guesses()
          std = sut.std()
  
          # Assert
          assert mean == pytest.approx(3.4375, abs=1e-9)
          assert num_games == 2416
          assert num_guesses == 8305
          assert std == pytest.approx(0.595430481760274, abs=1e-9)
          assert sut.guesses == guesses
          assert sut.opening_guess == guesses[0]
  
      def test_repr(self) -> None:
          # Arrange
          def scoreboard_factory(solns: WordSeries) -> Iterable[Scoreboard]:
              for soln in solns:
                  scoreboard = Scoreboard()
                  scoreboard.add_row(1, soln, Word("START"), "20101", 125)
                  scoreboard.add_row(2, soln, soln, "22222", 1)
                  yield scoreboard
  
          guesses = [Word("START")]
          histogram = {1: 1, 2: 76, 3: 1256, 4: 1031, 5: 52}
          solns = load_test_dictionary().common_words
          scoreboards = list(scoreboard_factory(solns))
  
          sut = Benchmark(guesses, histogram, scoreboards)
  
          # Act
          str_repr = repr(sut)
          print(str_repr)
  
          # Assert
          assert str_repr == "Benchmark (games=2416, guesses=8305, mean=3.4375)"
  
      @patch.object(BenchmarkPrinter, "build_string")
      def test_repr_pretty(self, patch_build_string: MagicMock) -> None:
          # Arrange
          guesses = [Word("START")]
          histogram = {1: 1, 2: 76, 3: 1256, 4: 1031, 5: 52}
          games = []
  
          mock_printer = MagicMock()
          mock_printer.text = MagicMock()
  
          expected = """
          1 |                    (1)
          2 | *                 (76)
          3 | ************   (1,262)
          4 | **********     (1,076)
          5 | *                 (52)
  
          Guess:    CRATE
          Games:    2,341
          Guesses:  8,912
          Mean:     3.429
          Std:      0.601"""
  
          patch_build_string.return_value = expected
  
          sut = Benchmark(guesses, histogram, games)
  
          # Act
          sut._repr_pretty_(mock_printer, False)
  
          # Assert
          mock_printer.text.assert_called_once_with(expected)
  
      @patch.object(benchmarking, "GraphBuilder")
      def test_digraph(self, mock_builder: MagicMock) -> None:
          # Arrange
          def scoreboard_factory(solns: WordSeries) -> Iterable[Scoreboard]:
              for soln in solns:
                  scoreboard = Scoreboard()
                  scoreboard.add_row(1, soln, Word("START"), "20101", 125)
                  scoreboard.add_row(2, soln, soln, "22222", 1)
                  yield scoreboard
  
          guesses = [Word("START")]
          histogram = {1: 1, 2: 76, 3: 1256, 4: 1031, 5: 52}
          solns = load_test_dictionary().common_words
          scoreboards = list(scoreboard_factory(solns))
          sut = Benchmark(guesses, histogram, scoreboards)
  
          # Act
          sut.digraph()
  
          # Assert
          mock_builder.assert_called_once_with(scoreboards)
  
      @patch.object(benchmarking, "GraphBuilder")
      def test_digraph_with_filter(self, mock_builder: MagicMock) -> None:
          # Arrange
          def scoreboard_factory(solns: WordSeries) -> Iterable[Scoreboard]:
              for soln in solns:
                  scoreboard = Scoreboard()
                  scoreboard.add_row(1, soln, Word("START"), "20101", 125)
                  scoreboard.add_row(2, soln, soln, "22222", 1)
                  yield scoreboard
  
          guesses = [Word("START")]
          histogram = {1: 1, 2: 76, 3: 1256, 4: 1031, 5: 52}
          solns = load_test_dictionary().common_words
          scoreboards = list(scoreboard_factory(solns))
          sut = Benchmark(guesses, histogram, scoreboards)
  
          game_words = {Word("RAISE"), Word("MOUNT"), Word("SNAKE")}
  
          def some_filter(scoreboard: Scoreboard) -> bool:
              return scoreboard.rows[-1].soln in game_words
  
          # Act
          sut.digraph(predicate=some_filter)
  
          # Assert
          assert len(list(mock_builder.call_args[0][0])) == len(game_words)
  
      @pytest.mark.parametrize("should_validate", [True, False])
      def test_read_csv(self, should_validate: bool) -> None:
          # Arrange
          directory = Path(os.path.dirname(__file__))
          path = directory / "wordle_bot_file.txt"
  
          # Act
          benchmark = Benchmark.read_csv(path, validate=should_validate)
  
          # Assert
          assert len(benchmark.scoreboards) == 100
  
      def test_read_invalid_csv(self) -> None:
          # Arrange
          directory = Path(os.path.dirname(__file__))
          path = directory / "wordle_bot_file_invalid.txt"
  
          # Act + Assert
          with pytest.raises(InvalidWordleBotFileError):
              Benchmark.read_csv(path)
  
      @patch.object(Benchmark, "_write_to_file")
      def test_to_csv(self, patch_write_to_file) -> None:
          # Arrange
          def scoreboard_factory(solns: WordSeries) -> Iterable[Scoreboard]:
              for soln in solns:
                  scoreboard = Scoreboard()
                  scoreboard.add_row(1, soln, Word("START"), "20101", 125)
                  scoreboard.add_row(2, soln, soln, "22222", 1)
                  yield scoreboard
  
          guesses = [Word("START")]
          histogram = {1: 1, 2: 76, 3: 1256, 4: 1031, 5: 52}
          solns = load_test_dictionary().common_words
          scoreboards = list(scoreboard_factory(solns))
          sut = Benchmark(guesses, histogram, scoreboards)
          path = "some_path.txt"
  
          # Act
          sut.to_csv(path)
  
          # Assert
          pass
  
  
  class TestBenchmarker:
      @patch.object(factory, "load_dictionary")
      @patch.object(ProcessPoolExecutor, "map")
      def test_benchmark(self, patch_map: MagicMock, patch_load_dictionary: MagicMock) -> None:
  
          # Arrange
          def game_factory(f, solns: WordSeries, chunksize: int) -> Iterable[Game]:
              for soln in solns:
                  game = Game(WordSeries([soln.value]), soln, [])
                  game.is_solved = True
                  game.scoreboard.add_row(1, soln, Word("GUESS"), "20101", 125)
                  game.scoreboard.add_row(2, soln, soln, "22222", 1)
                  yield game
  
          patch_load_dictionary.return_value = load_test_dictionary()
          patch_map.side_effect = game_factory
  
          sut = factory.create_benchmarker(5)
          solns = sut.engine.dictionary.common_words
  
          # Act
          benchmark = sut.run_benchmark([])
  
          # Assert
          patch_map.assert_called_once_with(ANY, solns, chunksize=20)
          assert benchmark.opening_guess == Word("GUESS")
          assert benchmark.num_games() == len(solns)
          assert all(scoreboard.rows[-1].score == "22222" for scoreboard in benchmark.scoreboards)
  
  
  class TestSimulBenchmarker:
      @patch.object(factory, "load_dictionary")
      @patch.object(ProcessPoolExecutor, "map")
      @patch.object(BenchmarkReporter, "display")
      def test_benchmark(
          self, patch_display: MagicMock, patch_map: MagicMock, patch_load_dictionary: MagicMock
      ) -> None:
  
          # Arrange
          num_simul = 4
          num_runs = 100
          patch_load_dictionary.return_value = load_test_dictionary()
  
          sut = factory.create_simul_benchmarker(5)
          solns = sut.engine.dictionary.common_words
  
          def game_factory(
              f, solns_factory: Iterable[list[Word]], chunksize: int
          ) -> Iterable[SimultaneousGame]:
  
              for game_solns in solns_factory:
                  game = SimultaneousGame(solns, game_solns, [])
                  game.is_solved = True
                  yield game
  
          patch_map.side_effect = game_factory
  
          # Act
          benchmark = sut.run_benchmark([], num_simul, num_runs)
  
          # Assert
          patch_map.assert_called_once_with(ANY, ANY, chunksize=20)
          assert benchmark.num_games() == num_runs
  
  
  class TestBenchmarkPrinter:
      def test_build_string(self) -> None:
          # Arrange
          guesses = [Word("START")]
          histogram = {1: 1, 2: 76, 3: 1256, 4: 1031, 5: 52}
          games = []
          benchmark = Benchmark(guesses, histogram, games)
          sut = BenchmarkPrinter()
  
          expected = """
  1 |                                                         (1)
  2 | ***                                                    (76)
  3 | **************************************************  (1,256)
  4 | *****************************************           (1,031)
  5 | **                                                     (52)
  
  Guess:    START
  Games:    2,416
  Guesses:  8,305
  Mean:     3.438
  Std:      0.595
          """
  
          # Act
          actual = sut.build_string(benchmark)
  
          # Assert
          assert actual == expected.strip()
  
      @patch.object(Benchmark, "opening_guess", new_callable=PropertyMock)
      def test_describe(self, patch_opening_guess: MagicMock) -> None:
          # Arrange
          guesses = []
          histogram = {1: 1, 2: 76, 3: 1256, 4: 1031, 5: 52}
          games = []
          benchmark = Benchmark(guesses, histogram, games)
          sut = BenchmarkPrinter()
  
          patch_opening_guess.return_value = Word("CRATE")
  
          expected = """
  Guess:    CRATE
  Games:    2,416
  Guesses:  8,305
  Mean:     3.438
  Std:      0.595
          """
  
          # Act
          actual = sut.describe(benchmark)
  
          # Assert
          assert actual.strip() == expected.strip()
  
  
  class TestBenchmarkReporter:
      @patch.object(BenchmarkPrinter, "build_string")
      def test_build_report(self, patch_build_string: MagicMock) -> None:
          # Arrange
          guesses = []
          histogram = {1: 1, 2: 76, 3: 1256, 4: 1031, 5: 52}
          games = []
          benchmark = Benchmark(guesses, histogram, games)
          histogram = {2: 76, 3: 1000, 4: 1203, 5: 63}
  
          sut = BenchmarkReporter()
  
          # Act
          sut.display(benchmark)
  
          # Assert
          patch_build_string.assert_called_once_with(benchmark)
  
  
  class TestNullBenchmarkReporter:
      def test_display_does_nothing(self) -> None:
          # Arrange
          histogram = {2: 76, 3: 1000, 4: 1203, 5: 63}
          sut = NullBenchmarkReporter()
  
          # Act
          actual = sut.display(histogram)
  
          # Assert
          assert actual is None
  