reasoning-gym/tests/test_caesar_cipher.py
Andreas Koepf 31a5b5cb76 formatting
2025-01-25 18:51:28 +01:00

100 lines
3.2 KiB
Python

"""Tests for Caesar cipher task generation"""
import pytest
from reasoning_gym.algorithmic.caesar_cipher import CaesarCipherConfig, CaesarCipherDataset
def test_caesar_cipher_config_validation():
"""Test that invalid configs raise appropriate errors"""
with pytest.raises(AssertionError):
config = CaesarCipherConfig(min_words=0)
config.validate()
with pytest.raises(AssertionError):
config = CaesarCipherConfig(min_words=10, max_words=5)
config.validate()
with pytest.raises(AssertionError):
config = CaesarCipherConfig(min_rotation=0)
config.validate()
with pytest.raises(AssertionError):
config = CaesarCipherConfig(max_rotation=26)
config.validate()
def test_caesar_cipher_deterministic():
"""Test that dataset generates same items with same seed"""
config = CaesarCipherConfig(seed=42, size=10)
dataset1 = CaesarCipherDataset(config)
dataset2 = CaesarCipherDataset(config)
for i in range(len(dataset1)):
assert dataset1[i] == dataset2[i]
def test_caesar_cipher_encryption():
"""Test the Caesar cipher encryption logic"""
config = CaesarCipherConfig(size=1, seed=42)
dataset = CaesarCipherDataset(config)
# Test with known rotation
text = "HELLO"
encrypted = dataset._caesar_encrypt(text, 1)
assert encrypted == "IFMMP" # Each letter shifted by 1
# Test wrapping around Z
encrypted = dataset._caesar_encrypt("XYZ", 2)
assert encrypted == "ZAB"
# Test preserving spaces
encrypted = dataset._caesar_encrypt("HELLO WORLD", 1)
assert encrypted == "IFMMP XPSME"
def test_caesar_cipher_dataset_items():
"""Test basic properties of generated items"""
config = CaesarCipherConfig(min_words=3, max_words=5, min_rotation=1, max_rotation=3, size=10, seed=42)
dataset = CaesarCipherDataset(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 "rotation" in item["metadata"]
assert "cipher_text" in item["metadata"]
assert "clear_text" in item["metadata"]
# Verify rotation constraints
rotation = item["metadata"]["rotation"]
assert config.min_rotation <= rotation <= config.max_rotation
# Verify text properties
clear_text = item["metadata"]["clear_text"]
words = clear_text.split()
assert config.min_words <= len(words) <= config.max_words
assert all(word.isupper() and word.isalpha() for word in words)
# Verify encryption
cipher_text = item["metadata"]["cipher_text"]
decrypted = dataset._caesar_encrypt(cipher_text, -rotation) # Decrypt by negative rotation
assert decrypted == clear_text
def test_caesar_cipher_iteration():
"""Test that iteration respects dataset size"""
config = CaesarCipherConfig(size=5, seed=42)
dataset = CaesarCipherDataset(config)
items = list(dataset)
assert len(items) == config.size
# Test multiple iterations yield same items
assert items == list(dataset)