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

Gain a solid understanding of Python's core data types and learn how to work with them effectively. Explore numbers, booleans, and strings through hands-on exercises and practical examples. Build confidence in performing basic operations and develop the foundational skills needed to write clean and efficient Python code.

Discover the essentials of numerical data types in Python and learn how to work with integers and floating-point numbers. Master basic arithmetic operations, explore the concept of immutability, and get hands-on experience using Python's built-in functions and tools to handle numbers efficiently in real-world scenarios.

Gain a clear understanding of the Boolean data type, a specialized subtype of numeric data that represents truth values. Although it may seem challenging at first, mastering Booleans is essential for writing logical and efficient programs. This section will help you confidently apply Boolean logic to real-world programming scenarios.

Strings allow you to work with text in Python, from displaying messages to processing user input. You'll explore how to create, modify, and manipulate strings effectively. Understanding strings is essential for writing interactive programs and communicating information clearly through your code.

Learn how to handle data types effectively to ensure accuracy and consistency in your programs. Convert values to the appropriate type, clean text before comparison, and separate numeric operations from text formatting. You'll also discover how to manage missing data deliberately and handle human-readable text differently from raw input, achieving reliable, consistent, and easy-to-read results.

Challenge: Access and Perks Checker

解答