reasoning-gym/tests/test_isomorphic_strings.py
2025-02-07 18:23:34 +01:00

108 lines
3.2 KiB
Python

"""Tests for Isomorphic Strings questions generation"""
import json
import pytest
from reasoning_gym.algorithmic.isomorphic_strings import IsomorphicStringsConfig, IsomorphicStringsDataset
def test_isomorphic_strings_config_validation():
"""Test that invalid configs raise appropriate errors"""
with pytest.raises(AssertionError):
config = IsomorphicStringsConfig(max_string_length=-1) # Negative not allowed
config.validate()
with pytest.raises(AssertionError):
config = IsomorphicStringsConfig(max_string_length=0) # Zero not allowed
config.validate()
with pytest.raises(AssertionError):
config = IsomorphicStringsConfig(max_string_length=1) # One not allowed
config.validate()
with pytest.raises(AssertionError):
config = IsomorphicStringsConfig(p_solvable=-0.01) # < 0 not allowed
config.validate()
with pytest.raises(AssertionError):
config = IsomorphicStringsConfig(p_solvable=1.01) # > 1 not allowed
config.validate()
def test_isomorphic_strings_dataset_deterministic():
"""Test that dataset generates same items with same seed"""
config = IsomorphicStringsConfig(seed=42, size=10)
dataset1 = IsomorphicStringsDataset(config)
dataset2 = IsomorphicStringsDataset(config)
for i in range(len(dataset1)):
assert dataset1[i] == dataset2[i]
def test_isomorphic_strings_dataset_items():
"""Test basic properties of generated items"""
config = IsomorphicStringsConfig(max_string_length=10, size=10, seed=42)
dataset = IsomorphicStringsDataset(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 "words" in item["metadata"]
assert "solution" in item["metadata"]
assert "solvable" in item["metadata"]
words = item["metadata"]["words"]
solution = item["metadata"]["solution"]
solvable = item["metadata"]["solvable"]
# Verify list dimensions
assert len(words) == 2
assert solution in {True, False}
assert solvable in {True, False}
assert solution == solvable
def test_isomorphic_strings_dataset_iteration():
"""Test that iteration respects dataset size"""
config = IsomorphicStringsConfig(size=5, seed=42)
dataset = IsomorphicStringsDataset(config)
items = list(dataset)
assert len(items) == config.size
# Test multiple iterations yield same items
assert items == list(dataset)
def test_isomorphic_strings_answer():
"""Test the _check_isomorphic method"""
config = IsomorphicStringsConfig(seed=42)
dataset = IsomorphicStringsDataset(config)
# General use case
s, t = "foo", "bar"
assert dataset._check_isomorphic(s, t) == False
s, t = "foo", "baa"
assert dataset._check_isomorphic(s, t) == True
# Unequal lengths
s, t = "foo", "bo"
assert dataset._check_isomorphic(s, t) == False
# Empty strings
(
s,
t,
) = (
"",
"",
)
assert dataset._check_isomorphic(s, t) == True