reasoning-gym/tests/test_decimal_chain_sum.py
2025-02-19 14:46:27 -08:00

252 lines
8.1 KiB
Python

import pytest
from reasoning_gym.arithmetic import DecimalChainSumConfig, DecimalChainSumDataset
def test_decimal_chain_sum_config_validation():
"""Test that invalid configs raise appropriate errors"""
with pytest.raises(AssertionError):
config = DecimalChainSumConfig(min_terms=0)
config.validate()
with pytest.raises(AssertionError):
config = DecimalChainSumConfig(min_terms=3, max_terms=2)
config.validate()
def test_decimal_chain_sum_deterministic():
"""Test that dataset generates same items with same seed"""
config = DecimalChainSumConfig(seed=42, size=10)
dataset1 = DecimalChainSumDataset(config)
dataset2 = DecimalChainSumDataset(config)
for i in range(len(dataset1)):
assert dataset1[i] == dataset2[i]
def test_decimal_chain_sum_items():
"""Test basic properties of generated items"""
config = DecimalChainSumConfig(
min_terms=2,
max_terms=4,
min_digits=1,
max_digits=2,
min_decimal_places=1,
max_decimal_places=2,
size=100,
seed=42,
)
dataset = DecimalChainSumDataset(config)
for i in range(len(dataset)):
item = dataset[i]
assert isinstance(item, dict)
assert "question" in item
assert "answer" in item
assert "metadata" in item
# Verify only + and - are used
expression = item["metadata"]["expression"]
assert all(op in ["+", "-", " ", "."] or op.isdigit() for op in expression)
# Check for floating point errors
numbers = [n for n in expression.split() if any(c.isdigit() for c in n)]
for num in numbers:
# Verify no numbers have more decimal places than max_decimal_places
if "." in num:
decimal_places = len(num.split(".")[-1])
assert decimal_places <= config.max_decimal_places, f"Number {num} has more decimal places than allowed"
# Verify answer has correct precision
answer_str = item["answer"]
if "." in answer_str:
decimal_places = len(answer_str.split(".")[-1])
assert (
decimal_places <= config.max_decimal_places
), f"Answer {answer_str} has more decimal places than allowed"
# Verify mathematical correctness within epsilon
expected = eval(expression)
assert (
abs(float(item["answer"]) - expected) < 1e-10
), f"Answer {item['answer']} doesn't match expected {expected}"
def test_chain_sum_number_ranges():
"""Test that generated numbers respect digit constraints"""
# Test 3-digit numbers
config = DecimalChainSumConfig(
min_terms=2,
max_terms=2, # Fix to 2 terms for easier testing
min_digits=3,
max_digits=3,
min_decimal_places=1,
max_decimal_places=4,
size=50,
seed=42,
)
dataset = DecimalChainSumDataset(config)
for i in range(len(dataset)):
item = dataset[i]
expression = item["metadata"]["expression"]
numbers = [int(n) for n in expression.split() if n.isdigit()]
for num in numbers:
assert 100 <= num <= 999, f"Number {num} outside valid range for 3 digits"
# Test 1-digit numbers
config = DecimalChainSumConfig(
min_terms=2,
max_terms=2,
min_digits=1,
max_digits=1,
min_decimal_places=1,
max_decimal_places=4,
size=50,
seed=42,
)
dataset = DecimalChainSumDataset(config)
for i in range(len(dataset)):
item = dataset[i]
expression = item["metadata"]["expression"]
numbers = [int(n) for n in expression.split() if n.isdigit()]
for num in numbers:
assert 0 <= num <= 9, f"Number {num} outside valid range for 1 digit"
def test_decimal_chain_sum_negation():
"""Test that negation is properly handled"""
config = DecimalChainSumConfig(
min_terms=2,
max_terms=2,
min_digits=1,
max_digits=1,
min_decimal_places=1,
max_decimal_places=4,
allow_negation=True,
size=50,
seed=42,
)
dataset = DecimalChainSumDataset(config)
has_positive = False
has_negative = False
for i in range(len(dataset)):
item = dataset[i]
expression = item["metadata"]["expression"]
numbers = [float(n) for n in expression.split() if n.replace(".", "").replace("-", "").isdigit()]
for num in numbers:
if num > 0:
has_positive = True
if num < 0:
has_negative = True
assert has_positive and has_negative, "Expected both positive and negative numbers with allow_negation=True"
def test_decimal_chain_sum_iteration():
"""Test that iteration respects dataset size"""
config = DecimalChainSumConfig(
min_terms=2,
max_terms=2,
min_digits=1,
max_digits=1,
min_decimal_places=1,
max_decimal_places=4,
size=5,
seed=42,
)
dataset = DecimalChainSumDataset(config)
items = []
for item in dataset:
items.append(item)
assert len(items) == config.size, "Iterator should yield exactly size items"
items = list(dataset)
assert len(items) == config.size, "Iterator should yield exactly size items"
first_items = list(dataset)
second_items = list(dataset)
assert first_items == second_items, "Multiple iterations should yield same items"
def test_decimal_places_generation():
"""Test that generated decimal numbers have correct number of decimal places"""
# Test fixed decimal places
config = DecimalChainSumConfig(
min_terms=2,
max_terms=2,
min_digits=1,
max_digits=2,
min_decimal_places=2,
max_decimal_places=2,
size=50,
seed=42,
)
dataset = DecimalChainSumDataset(config)
for item in dataset:
expression = item["metadata"]["expression"]
# Extract numbers including decimals
numbers = [n for n in expression.split() if any(c.isdigit() for c in n)]
for num in numbers:
decimal_part = num.split(".")[-1]
assert len(decimal_part) == 2, f"Number {num} should have exactly 2 decimal places"
# Test varying decimal places
config = DecimalChainSumConfig(
min_terms=2,
max_terms=2,
min_digits=1,
max_digits=2,
min_decimal_places=1,
max_decimal_places=3,
size=50,
seed=42,
)
dataset = DecimalChainSumDataset(config)
for item in dataset:
expression = item["metadata"]["expression"]
numbers = [n for n in expression.split() if any(c.isdigit() for c in n)]
for num in numbers:
decimal_part = num.split(".")[-1]
assert 1 <= len(decimal_part) <= 3, f"Number {num} should have between 1 and 3 decimal places"
def test_decimal_precision_scoring():
"""Test that scoring handles decimal precision correctly"""
config = DecimalChainSumConfig(
min_terms=2,
max_terms=2,
min_digits=1,
max_digits=2,
min_decimal_places=2,
max_decimal_places=3,
size=1,
seed=42,
)
dataset = DecimalChainSumDataset(config)
item = dataset[0]
# Test exact matches with different representations
assert dataset.score_answer("1.200", {"answer": "1.2"}) == 1.0
assert dataset.score_answer("1.20", {"answer": "1.200"}) == 1.0
assert dataset.score_answer("-0.5", {"answer": "-0.500"}) == 1.0
# Test floating point precision edge cases
assert dataset.score_answer("0.1", {"answer": "0.100"}) == 1.0
assert dataset.score_answer("0.3", {"answer": "0.300"}) == 1.0
# Test incorrect answers
assert dataset.score_answer("1.200000001", {"answer": "1.200"}) == 0.01
assert dataset.score_answer("1.199999999", {"answer": "1.200"}) == 0.01
# Test invalid inputs
assert dataset.score_answer(None, {"answer": "1.200"}) == 0.0
assert dataset.score_answer("", {"answer": "1.200"}) == 0.0
assert dataset.score_answer("invalid", {"answer": "1.200"}) == 0.01
assert dataset.score_answer("1.2.3", {"answer": "1.200"}) == 0.01