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143 lines
4.5 KiB
Python
143 lines
4.5 KiB
Python
"""Tests for sudoku puzzle generation"""
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import pytest
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from reasoning_gym.games.sudoku import SudokuConfig, SudokuCurriculum, SudokuDataset
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def test_sudoku_config_validation():
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"""Test that invalid configs raise appropriate errors"""
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with pytest.raises(AssertionError):
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config = SudokuConfig(min_empty=-1) # Negative not allowed
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config.validate()
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with pytest.raises(AssertionError):
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config = SudokuConfig(min_empty=82) # Too many empty cells
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config.validate()
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with pytest.raises(AssertionError):
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config = SudokuConfig(min_empty=50, max_empty=40) # max < min
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config.validate()
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def test_sudoku_dataset_deterministic():
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"""Test that dataset generates same items with same seed"""
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config = SudokuConfig(seed=42, size=10)
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dataset1 = SudokuDataset(config)
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dataset2 = SudokuDataset(config)
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for i in range(len(dataset1)):
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assert dataset1[i] == dataset2[i]
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def test_sudoku_dataset_items():
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"""Test basic properties of generated items"""
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config = SudokuConfig(min_empty=30, max_empty=40, size=10, seed=42)
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dataset = SudokuDataset(config)
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for i in range(len(dataset)):
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item = dataset[i]
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# Check item structure
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assert isinstance(item, dict)
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assert "question" in item
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assert "answer" in item
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assert "metadata" in item
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# Check metadata
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assert "puzzle" in item["metadata"]
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assert "solution" in item["metadata"]
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assert "num_empty" in item["metadata"]
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puzzle = item["metadata"]["puzzle"]
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solution = item["metadata"]["solution"]
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num_empty = item["metadata"]["num_empty"]
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# Verify board dimensions
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assert len(puzzle) == 9
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assert all(len(row) == 9 for row in puzzle)
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assert len(solution) == 9
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assert all(len(row) == 9 for row in solution)
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# Verify empty cell count
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empty_count = sum(1 for row in puzzle for cell in row if cell == 0)
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assert config.min_empty <= empty_count <= config.max_empty
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assert empty_count == num_empty
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# Verify solution validity
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assert is_valid_solution(solution)
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# Verify puzzle matches solution where filled
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for i in range(9):
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for j in range(9):
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if puzzle[i][j] != 0:
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assert puzzle[i][j] == solution[i][j]
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def test_sudoku_dataset_iteration():
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"""Test that iteration respects dataset size"""
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config = SudokuConfig(size=5, seed=42)
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dataset = SudokuDataset(config)
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items = list(dataset)
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assert len(items) == config.size
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# Test multiple iterations yield same items
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assert items == list(dataset)
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def test_sudoku_board_generation():
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"""Test that generated boards are valid"""
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config = SudokuConfig(min_empty=0, max_empty=0, size=5, seed=42) # Force complete board
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dataset = SudokuDataset(config)
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for i in range(len(dataset)):
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item = dataset[i]
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board = item["metadata"]["solution"]
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assert is_valid_solution(board)
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def is_valid_solution(board: list[list[int]]) -> bool:
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"""Helper function to verify sudoku solution validity"""
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# Check rows
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for row in board:
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if set(row) != set(range(1, 10)):
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return False
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# Check columns
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for j in range(9):
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column = [board[i][j] for i in range(9)]
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if set(column) != set(range(1, 10)):
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return False
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# Check 3x3 boxes
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for box_i in range(3):
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for box_j in range(3):
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box = []
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for i in range(3):
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for j in range(3):
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box.append(board[box_i * 3 + i][box_j * 3 + j])
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if set(box) != set(range(1, 10)):
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return False
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return True
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def test_sudoku_curriculum():
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curriculum = SudokuCurriculum()
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base_value = {"size": 150, "seed": 1}
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base_cfg: SudokuConfig = curriculum.generate_configuration(base_value)
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assert base_cfg.seed == 1
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assert base_cfg.size == 150
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assert base_cfg.min_empty == 20 and base_cfg.max_empty == 30
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# test incrementing attribute levels
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curriculum.increment_attr_level("empty")
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increased_cfg = curriculum.generate_configuration(base_value)
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assert increased_cfg.min_empty == 20 and increased_cfg.max_empty == 40
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# test decrementing attribute level for empty again
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curriculum.decrement_attr_level("empty")
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partially_decreased_cfg = curriculum.generate_configuration(base_value)
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assert partially_decreased_cfg.min_empty == 20 and partially_decreased_cfg.max_empty == 30
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