import unittest
import importlib
import re

def _dynamic_test(test_case, condition, success_msg, failure_msg):
    if condition:
        test_case._testMethodName = success_msg
        test_case.assertTrue(True, success_msg)
    else:
        test_case._testMethodName = failure_msg
        test_case.fail(failure_msg)

class TestUserCode(unittest.TestCase):
    @classmethod
    def setUpClass(cls):
        cls.m = importlib.import_module("user_code")
        with open("user_code.py", "r", encoding="utf-8") as f:
            cls.src = f.read()

        # Expected outcomes
        cls.expected_is_adult = 17 >= 21                 # False
        cls.expected_can_enter = cls.expected_is_adult and True  # False
        cls.expected_free_shipping = (120 >= 100) or False       # True
        cls.expected_needs_review = (not True) or (not False)    # True
        cls.expected_valid_range = 0 <= 74 <= 100               # True

    def test_is_adult(self):
        declared = hasattr(self.m, "is_adult")
        is_bool = isinstance(getattr(self.m, "is_adult", None), bool)
        correct = declared and self.m.is_adult == self.expected_is_adult
        pattern = r"is_adult\s*=\s*.*age.*>=.*adult_age"
        _dynamic_test(
            self,
            declared and is_bool and correct and re.search(pattern, self.src),
            "is_adult computed correctly",
            "is_adult computed incorrectly"
        )

    def test_can_enter(self):
        declared = hasattr(self.m, "can_enter")
        is_bool = isinstance(getattr(self.m, "can_enter", None), bool)
        correct = declared and self.m.can_enter == self.expected_can_enter
        pattern = r"can_enter\s*=\s*.*is_adult.*and.*has_id"
        _dynamic_test(
            self,
            declared and is_bool and correct and re.search(pattern, self.src),
            "can_enter computed correctly",
            "can_enter computed incorrectly"
        )

    def test_free_shipping(self):
        declared = hasattr(self.m, "qualifies_free_shipping")
        is_bool = isinstance(getattr(self.m, "qualifies_free_shipping", None), bool)
        correct = declared and self.m.qualifies_free_shipping == self.expected_free_shipping
        pattern = r"qualifies_free_shipping\s*=\s*.*purchase_total.*>=.*free_shipping_threshold.*or.*is_member"
        _dynamic_test(
            self,
            declared and is_bool and correct and re.search(pattern, self.src),
            "qualifies_free_shipping computed correctly",
            "qualifies_free_shipping computed incorrectly"
        )

    def test_needs_manual_review(self):
        declared = hasattr(self.m, "needs_manual_review")
        is_bool = isinstance(getattr(self.m, "needs_manual_review", None), bool)
        correct = declared and self.m.needs_manual_review == self.expected_needs_review
        pattern = r"needs_manual_review\s*=\s*.*not\s*email_verified.*or.*not\s*phone_verified"
        _dynamic_test(
            self,
            declared and is_bool and correct and re.search(pattern, self.src),
            "needs_manual_review computed correctly",
            "needs_manual_review computed incorrectly"
        )

    def test_valid_score_range(self):
        declared = hasattr(self.m, "valid_score_range")
        is_bool = isinstance(getattr(self.m, "valid_score_range", None), bool)
        correct = declared and self.m.valid_score_range == self.expected_valid_range
        pattern = r"min_score.*<=.*score.*<=.*max_score"
        _dynamic_test(
            self,
            declared and is_bool and correct and re.search(pattern, self.src),
            "valid_score_range computed correctly",
            "valid_score_range computed incorrectly"
        )

if __name__ == "__main__":
    unittest.main()

test_main.py

A focused, beginner-friendly course on working with numbers in Python. Learn about integers, floats, arithmetic operations, type conversion, and how to avoid common pitfalls when handling numerical data.

Challenge: Access and Perks Checker

Solution