import unittest
import importlib
import re
import user_code  # Import user's solution

# Helper function for dynamic test naming and assertions
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 TestUserCode(unittest.TestCase):

    def test_variables_declared(self):
        """Check if all required variables are declared."""
        variables = ['water_intake', 'daily_goal']
        missing_vars = [var for var in variables if not hasattr(user_code, var)]
        
        _dynamic_test(
            self,
            not missing_vars,
            "All required variables are declared.",
            f"Missing variable(s): {', '.join(missing_vars)}."
        )

    def test_variables_types(self):
        """Check if variables have the correct data types."""
        expected_types = {
            'water_intake': int,
            'daily_goal': int
        }
        incorrect_types = {
            var: type(getattr(user_code, var)) 
            for var in expected_types if not isinstance(getattr(user_code, var), expected_types[var])
        }

        _dynamic_test(
            self,
            not incorrect_types,
            "All variables have the correct data types.",
            f"Incorrect data types detected: {incorrect_types}."
        )

    def test_water_goal_logic(self):
        """Check if the water intake condition is evaluated correctly."""
        water_intake = user_code.water_intake
        daily_goal = user_code.daily_goal
        expected_value = water_intake >= daily_goal

        _dynamic_test(
            self,
            expected_value == (water_intake >= daily_goal),
            f"The water intake goal condition is correctly evaluated as {expected_value}.",
            f"Incorrect evaluation for the water intake goal condition. Expected {expected_value}, but got {water_intake >= daily_goal}."
        )

    def test_if_else_used(self):
        """Check if `if` and `else` are correctly used in the code."""
        with open("user_code.py", "r") as file:
            user_code_source = file.read()

        if_found = re.search(r'^\s*if\s+.*:', user_code_source, re.MULTILINE) is not None
        else_found = re.search(r'^\s*else\s*:', user_code_source, re.MULTILINE) is not None

        _dynamic_test(
            self,
            if_found and else_found,
            "The `if` and `else` statements are correctly used.",
            "Expected both `if` and `else` statements in the code, but one or both are missing."
        )

    def test_if_else_syntax(self):
        """Check if `if` and `else` statements have colons (`:`) at the end."""
        with open("user_code.py", "r") as file:
            user_code_source = file.read()

        missing_colon_if = re.search(r'^\s*if\s+.*[^:]\s*$', user_code_source, re.MULTILINE) is not None
        missing_colon_else = re.search(r'^\s*else\s*[^:]\s*$', user_code_source, re.MULTILINE) is not None

        _dynamic_test(
            self,
            not (missing_colon_if or missing_colon_else),
            "Both `if` and `else` statements have proper syntax with colons (`:`).",
            "Syntax error detected: `if` or `else` statement is missing a colon (`:`)."
        )

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


test_main.py

Deze cursus is ontworpen om je kennis te laten maken met alle nuances van de voorwaardelijke operator if-else. De cursus is gevuld met voorbeelden om het gebruik van zo'n operator beter te begrijpen, evenals taken om de verworven vaardigheden te consolideren. Hier maak je ook kennis met de if-elif-else uitspraken.

Je zult de mysteries van de veelzijdige voorwaardelijke operator "if" ontrafelen en de kracht ervan ontdekken om uitkomsten te vormen. Duik dieper in de wereld van logische operatoren, beheers hun kunstzinnige toepassing en ontdek de geheimen van het effectief prioriteren van hun gebruik.

Leer hoe u beslissingen neemt op basis van voorwaarden, code vereenvoudigt met behulp van het else-trefwoord, waardoor zowel de efficiëntie als de leesbaarheid worden verbeterd. Ontgrendel de efficiëntie van eenregelige beslissingen met de ternaire operator!

Je leert over de meest geavanceerde vorm van de voorwaardelijke operator if-elif-else, maakt kennis met de syntaxis van deze constructie en hoe deze correct wordt toegepast.

Uitdaging: Debuggen en Verbeteren van een Hydration Herinneringscode

Oplossing