Files
reasoning-gym/tests/test_mini_sudoku.py
2025-03-10 00:29:53 +01:00

144 lines
4.6 KiB
Python

"""Tests for mini sudoku puzzle generation"""
import pytest
from reasoning_gym.games.mini_sudoku import MiniSudokuConfig, MiniSudokuCurriculum, MiniSudokuDataset
def test_mini_sudoku_config_validation():
"""Test that invalid configs raise appropriate errors"""
with pytest.raises(AssertionError):
config = MiniSudokuConfig(min_empty=-1) # Negative not allowed
config.validate()
with pytest.raises(AssertionError):
config = MiniSudokuConfig(min_empty=17) # Too many empty cells
config.validate()
with pytest.raises(AssertionError):
config = MiniSudokuConfig(min_empty=10, max_empty=8) # max < min
config.validate()
def test_mini_sudoku_dataset_deterministic():
"""Test that dataset generates same items with same seed"""
config = MiniSudokuConfig(seed=42, size=10)
dataset1 = MiniSudokuDataset(config)
dataset2 = MiniSudokuDataset(config)
for i in range(len(dataset1)):
assert dataset1[i] == dataset2[i]
def test_mini_sudoku_dataset_items():
"""Test basic properties of generated items"""
config = MiniSudokuConfig(min_empty=8, max_empty=12, size=10, seed=42)
dataset = MiniSudokuDataset(config)
for i in range(len(dataset)):
item = dataset[i]
# Check item structure
assert isinstance(item, dict)
assert "question" in item
assert "answer" in item
assert "metadata" in item
# Check metadata
assert "puzzle" in item["metadata"]
assert "solution" in item["metadata"]
assert "num_empty" in item["metadata"]
puzzle = item["metadata"]["puzzle"]
solution = item["metadata"]["solution"]
num_empty = item["metadata"]["num_empty"]
# Verify board dimensions
assert len(puzzle) == 4
assert all(len(row) == 4 for row in puzzle)
assert len(solution) == 4
assert all(len(row) == 4 for row in solution)
# Verify empty cell count
empty_count = sum(1 for row in puzzle for cell in row if cell == 0)
assert config.min_empty <= empty_count <= config.max_empty
assert empty_count == num_empty
# Verify solution validity
assert is_valid_solution(solution)
# Verify puzzle matches solution where filled
for i in range(4):
for j in range(4):
if puzzle[i][j] != 0:
assert puzzle[i][j] == solution[i][j]
def test_mini_sudoku_dataset_iteration():
"""Test that iteration respects dataset size"""
config = MiniSudokuConfig(size=5, seed=42)
dataset = MiniSudokuDataset(config)
items = list(dataset)
assert len(items) == config.size
# Test multiple iterations yield same items
assert items == list(dataset)
def test_mini_sudoku_board_generation():
"""Test that generated boards are valid"""
config = MiniSudokuConfig(min_empty=0, max_empty=0, size=5, seed=42) # Force complete board
dataset = MiniSudokuDataset(config)
for i in range(len(dataset)):
item = dataset[i]
board = item["metadata"]["solution"]
assert is_valid_solution(board)
def is_valid_solution(board: list[list[int]]) -> bool:
"""Helper function to verify mini sudoku solution validity"""
# Check rows
for row in board:
if set(row) != set(range(1, 5)):
return False
# Check columns
for j in range(4):
column = [board[i][j] for i in range(4)]
if set(column) != set(range(1, 5)):
return False
# Check 2x2 boxes
for box_i in range(2):
for box_j in range(2):
box = []
for i in range(2):
for j in range(2):
box.append(board[box_i * 2 + i][box_j * 2 + j])
if set(box) != set(range(1, 5)):
return False
return True
def test_mini_sudoku_curriculum():
curriculum = MiniSudokuCurriculum()
base_value = {"size": 150, "seed": 1}
base_cfg: MiniSudokuConfig = curriculum.generate_configuration(base_value)
assert base_cfg.seed == 1
assert base_cfg.size == 150
assert base_cfg.min_empty == 4 and base_cfg.max_empty == 6
# test incrementing attribute levels
curriculum.increment_attr_level("empty")
increased_cfg = curriculum.generate_configuration(base_value)
assert increased_cfg.min_empty == 4 and increased_cfg.max_empty == 8
# test decrementing attribute level for empty again
curriculum.decrement_attr_level("empty")
partially_decreased_cfg = curriculum.generate_configuration(base_value)
assert partially_decreased_cfg.min_empty == 4 and partially_decreased_cfg.max_empty == 6