reasoning-gym/tests/test_largest_island.py
2025-02-03 22:46:06 +01:00

127 lines
3.8 KiB
Python

"""Tests for Largest Island puzzle generation"""
import pytest
from reasoning_gym.graphs.largest_island import LargestIslandConfig, LargestIslandDataset
def test_largest_island_config_validation():
"""Test that invalid configs raise appropriate errors"""
with pytest.raises(AssertionError):
config = LargestIslandConfig(rows=-1) # Negative not allowed
config.validate()
with pytest.raises(AssertionError):
config = LargestIslandConfig(rows=0) # Zero not allowed
config.validate()
with pytest.raises(AssertionError):
config = LargestIslandConfig(cols=-1) # Negative not allowed
config.validate()
with pytest.raises(AssertionError):
config = LargestIslandConfig(cols=0) # Zero not allowed
config.validate()
with pytest.raises(AssertionError):
config = LargestIslandConfig(max_num_islands=-1) # Negative not allowed
config.validate()
with pytest.raises(AssertionError):
config = LargestIslandConfig(max_island_size=-1) # Negative not allowed
config.validate()
def test_largest_island_dataset_deterministic():
"""Test that dataset generates same items with same seed"""
config = LargestIslandConfig(seed=42, size=10)
dataset1 = LargestIslandDataset(config)
dataset2 = LargestIslandDataset(config)
for i in range(len(dataset1)):
assert dataset1[i] == dataset2[i]
def test_largest_island_dataset_items():
"""Test basic properties of generated items"""
config = LargestIslandConfig(rows=8, cols=8, max_island_size=5, size=10, seed=42)
dataset = LargestIslandDataset(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 "grid" in item["metadata"]
assert "solution" in item["metadata"]
grid = item["metadata"]["grid"]
solution = item["metadata"]["solution"]
# Verify grid dimensions
assert len(grid) == 8
assert all(len(row) == 8 for row in grid)
assert 0 <= solution <= 5
def test_largest_island_dataset_iteration():
"""Test that iteration respects dataset size"""
config = LargestIslandConfig(size=5, seed=42)
dataset = LargestIslandDataset(config)
items = list(dataset)
assert len(items) == config.size
# Test multiple iterations yield same items
assert items == list(dataset)
def test_largest_island_grid_generation():
"""Test that generated grids are valid"""
config = LargestIslandConfig(rows=10, cols=10, max_island_size=3, size=5, seed=42)
dataset = LargestIslandDataset(config)
for i in range(len(dataset)):
item = dataset[i]
assert item["metadata"]["solution"] <= 3
for row in item["metadata"]["grid"]:
assert all(cell in {0, 1} for cell in row)
def test_largest_island_answer():
"""Test the _get_largest_island method"""
config = LargestIslandConfig(rows=5, cols=5, seed=42)
dataset = LargestIslandDataset(config)
grid = [
[1, 1, 0, 0, 0],
[1, 0, 0, 0, 1],
[0, 0, 0, 1, 1],
[0, 0, 0, 1, 1],
[0, 0, 0, 1, 1],
]
assert dataset._get_largest_island(grid) == 7
# Test empty grid
grid = [
[0, 0, 0, 0, 0],
[0, 0, 0, 0, 0],
[0, 0, 0, 0, 0],
[0, 0, 0, 0, 0],
[0, 0, 0, 0, 0],
]
assert dataset._get_largest_island(grid) == 0
# Test neighboring grids are only horizontally or vertically connected (not diagonally)
grid = [
[1, 1, 1, 0, 0],
[1, 1, 1, 0, 0],
[1, 1, 1, 0, 0],
[0, 0, 0, 1, 1],
[0, 0, 0, 1, 1],
]
assert dataset._get_largest_island(grid) == 9