added score_answer implementation and tests

This commit is contained in:
joesharratt1229 2025-02-02 17:18:56 +00:00
parent f5838da534
commit b0d21cf664
4 changed files with 148 additions and 26 deletions

View file

@ -1,6 +1,3 @@
import random
from fractions import Fraction
import pytest
import sympy
from sympy.parsing.sympy_parser import parse_expr
@ -63,7 +60,7 @@ def test_simple_integration_dataset_items():
assert "integrand" in item["metadata"]
assert "variable" in item["metadata"]
assert "antiderivative" in item["metadata"]
assert "expected_answer_expression" in item["metadata"]
# Verify answer is a mathematical expression
answer = item["answer"]
@ -71,15 +68,50 @@ def test_simple_integration_dataset_items():
assert isinstance(parse_expr(answer), sympy.Expr)
def test_simple_integration_solution_verification():
"""Test for solution verification of each answer"""
config = SimpleIntegrationConfig(seed=42, size=10)
def test_verify_answer():
config = SimpleIntegrationConfig(seed=42)
dataset = SimpleIntegrationDataset(config)
for i in range(len(dataset)):
item = dataset[i]
score = dataset.score_answer(item["answer"], item["metadata"])
assert score == 1.0
for item in dataset:
integrand = parse_expr(item["metadata"]["integrand"])
variable = sympy.Symbol(item["metadata"]["variable"])
answer = parse_expr(item["answer"].replace(" + C", ""))
# Verify that the derivative of the answer equals the integrand
assert sympy.simplify(sympy.diff(answer, variable) - integrand) == 0
def test_score_answer_cases():
"""Test various answer scoring scenarios"""
config = SimpleIntegrationConfig(seed=42)
dataset = SimpleIntegrationDataset(config)
x = sympy.Symbol("x")
X = sympy.Symbol("X")
# Test cases: (answer, metadata, expected_score)
test_cases = [
# Correct answers
("x**2 + C", {"variable": "x", "integrand": "2*x"}, 1.0),
("X**3 - 5*X + C", {"variable": "X", "integrand": "3*X**2 - 5"}, 1.0),
("sin(x) + C", {"variable": "x", "integrand": "cos(x)"}, 1.0),
# Correct without explicit constant
("x**2", {"variable": "x", "integrand": "2*x"}, 1.0),
("log(x)", {"variable": "x", "integrand": "1/x"}, 1.0),
# Incorrect but properly formatted
("x**3 + C", {"variable": "x", "integrand": "2*x"}, 0.05),
("cos(X)", {"variable": "X", "integrand": "sin(X)"}, 0.05),
# Malformed expressions
("x**2 +", {"variable": "x", "integrand": "2*x"}, 0.01),
("sin(x", {"variable": "x", "integrand": "cos(x)"}, 0.01),
# Empty answer
("", {"variable": "x", "integrand": "2*x"}, 0.01),
# Case sensitivity
("x**2 + C", {"variable": "X", "integrand": "2*X"}, 0.05),
("X**2 + C", {"variable": "x", "integrand": "2*x"}, 0.05),
# Alternative constant notation
("x**2 + K", {"variable": "x", "integrand": "2*x"}, 1.0),
("sin(x) + D", {"variable": "x", "integrand": "cos(x)"}, 1.0),
# Simplification required
("x**2 + C + 5 - 5", {"variable": "x", "integrand": "2*x"}, 1.0),
("(x**3)/3 - 2*x + C", {"variable": "x", "integrand": "x**2 - 2"}, 1.0),
]
for answer, metadata, expected in test_cases:
score = dataset.score_answer(answer, metadata)
assert score == expected, f"Failed case: {answer} | Expected {expected}, got {score}"