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

This course is designed to introduce you to all the nuances of the conditional operator if-else. The course is filled with examples to better understand the use of such an operator, as well as tasks to consolidate the acquired skills. Here you will also get acquainted with the if-elif-else statements.

You'll unravel the mysteries of the versatile conditional operator "if," discovering its power to shape outcomes. Dive deeper into the world of logical operators, mastering their artful application and uncovering the secrets of prioritizing their use effectively. 

Learn how to make decisions based on conditions, simplify code using the else keyword, improving both efficiency and readability. Unlock the efficiency of one-liner decisions with the ternary operator!

You will learn about the most advanced form of the conditional operator if-elif-else, get acquainted with the syntax of this construction and how it is applied correctly.

Conditional Statements in Python

Challenge: Debugging and Improving a Hydration Reminder Code

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Challenge: Debugging and Improving a Hydration Reminder Code

Løsning