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

Udforsk nuancerne i den betingede if-else-operator i Python gennem klare forklaringer og praktiske eksempler. Styrk din forståelse med praktiske opgaver, der understøtter hvert koncept, og opdag, hvordan if-elif-else-sætninger anvendes effektivt til mere kompleks beslutningstagning.

Du vil afsløre mysterierne ved den alsidige betingede operator "if," og opdage dens kraft til at forme resultater. Dyk dybere ind i verdenen af logiske operatorer, mestre deres kunstfærdige anvendelse og afsløre hemmelighederne ved at prioritere deres brug effektivt.

Lær hvordan man træffer beslutninger baseret på betingelser, forenkler kode ved hjælp af else-nøgleordet, hvilket forbedrer både effektivitet og læsbarhed. Lås op for effektiviteten af énliniers beslutninger med den ternære operator!

Du vil lære om den mest avancerede form af den betingede operator if-elif-else, blive bekendt med syntaksen for denne konstruktion og hvordan den anvendes korrekt.

Udfordring: Fejlretning og Forbedring af en Hydration Påmindelseskode

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