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