import unittest
import importlib
import re

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

class TestWeatherClassification(unittest.TestCase):

    def test_temperature_is_declared(self):
        import user_code
        _dynamic_test(
            self,
            hasattr(user_code, 'temperature'),
            "The `temperature` variable is declared.",
            "Expected `temperature` variable to be declared."
        )

    def test_weather_status_is_declared(self):
        import user_code
        _dynamic_test(
            self,
            hasattr(user_code, 'weather_status'),
            "The `weather_status` variable is declared.",
            "Expected `weather_status` variable to be declared."
        )

    def test_outdoor_advice_is_declared(self):
        import user_code
        _dynamic_test(
            self,
            hasattr(user_code, 'outdoor_advice'),
            "The `outdoor_advice` variable is declared.",
            "Expected `outdoor_advice` variable to be declared."
        )

    def test_weather_status_logic(self):
        import user_code
        expected_status = (
            "Hot" if user_code.temperature > 30 else
            "Warm" if 15 <= user_code.temperature <= 30 else
            "Cool" if 0 <= user_code.temperature <= 14 else
            "Cold"
        )
        actual_status = user_code.weather_status
        _dynamic_test(
            self,
            actual_status == expected_status,
            f"The `weather_status` variable is correctly assigned `{expected_status}`.",
            f"Expected `weather_status` to be `{expected_status}`, but got `{actual_status}`."
        )

    def test_outdoor_advice_logic(self):
        import user_code
        expected_advice = (
            "Stay hydrated" if user_code.weather_status == "Hot" else
            "Great weather for a walk" if user_code.weather_status in ["Warm", "Cool"] else
            "Wear a coat"
        )
        actual_advice = user_code.outdoor_advice
        _dynamic_test(
            self,
            actual_advice == expected_advice,
            f"The `outdoor_advice` variable is correctly assigned `{expected_advice}`.",
            f"Expected `outdoor_advice` to be `{expected_advice}`, but got `{actual_advice}`."
        )

    def test_if_elif_else_statement_used(self):
        with open('user_code.py', 'r') as file:
            user_code_source = file.read()
        _dynamic_test(
            self,
            re.search(r'if', user_code_source) and re.search(r'elif', user_code_source) and re.search(r'else', user_code_source),
            "The `if-elif-else` statement is used.",
            "Expected `if-elif-else` statement to be used."
        )

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

test_main.py

Pythonが条件分岐をどのように行うかを学びます。Booleanデータ型や比較演算子から始め、論理演算子を使った条件の組み合わせに進みます。メンバーシップや型の比較を探求し、if、elif、elseを用いた明確な条件式の書き方を習得します。

比較演算子および論理演算子の使用方法、条件式の操作、メンバーシップおよび型比較の適用方法について学習します。if/else および if/elif/else 構造を用いて、さまざまな条件に動的に対応するプログラム作成の基礎を確立します。

チャレンジ：Weather Adviser

解答