import unittest
import re

# Read the original user code
with open("user_code.py", "r") as file:
    original_code = file.read()

# 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 run_with_modified_workout_duration(self, duration_value):
        modified_code = re.sub(r'workout_duration\s*=\s*\d+', f'workout_duration = {duration_value}', original_code)
        local_scope = {}
        exec(modified_code, {}, local_scope)
        return local_scope["message"]

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

    def test_workout_duration_70(self):
        """Check message for `workout_duration = 70`."""
        duration = 70
        expected_message = "Excellent job! You've worked out for over an hour!"
        result_message = self.run_with_modified_workout_duration(duration)
    
        _dynamic_test(
            self,
            result_message == expected_message,
            f"The message is correctly set for `workout_duration = {duration}`.",
            f"Incorrect message for `workout_duration = {duration}`. Expected `{expected_message}`, but got `{result_message}`."
        )
    
    def test_workout_duration_60(self):
        """Check message for `workout_duration = 60`."""
        duration = 60
        expected_message = "Great job! Keep it up!"
        result_message = self.run_with_modified_workout_duration(duration)
    
        _dynamic_test(
            self,
            result_message == expected_message,
            f"The message is correctly set for `workout_duration = {duration}`.",
            f"Incorrect message for `workout_duration = {duration}`. Expected `{expected_message}`, but got `{result_message}`."
        )
    
    def test_workout_duration_45(self):
        """Check message for `workout_duration = 45`."""
        duration = 45
        expected_message = "Great job! Keep it up!"
        result_message = self.run_with_modified_workout_duration(duration)
    
        _dynamic_test(
            self,
            result_message == expected_message,
            f"The message is correctly set for `workout_duration = {duration}`.",
            f"Incorrect message for `workout_duration = {duration}`. Expected `{expected_message}`, but got `{result_message}`."
        )
    
    def test_workout_duration_30(self):
        """Check message for `workout_duration = 30`."""
        duration = 30
        expected_message = "Great job! Keep it up!"
        result_message = self.run_with_modified_workout_duration(duration)
    
        _dynamic_test(
            self,
            result_message == expected_message,
            f"The message is correctly set for `workout_duration = {duration}`.",
            f"Incorrect message for `workout_duration = {duration}`. Expected `{expected_message}`, but got `{result_message}`."
        )
    
    def test_workout_duration_25(self):
        """Check message for `workout_duration = 25`."""
        duration = 25
        expected_message = "Try to aim for at least 30 minutes of exercise."
        result_message = self.run_with_modified_workout_duration(duration)
    
        _dynamic_test(
            self,
            result_message == expected_message,
            f"The message is correctly set for `workout_duration = {duration}`.",
            f"Incorrect message for `workout_duration = {duration}`. Expected `{expected_message}`, but got `{result_message}`."
        )

    def test_if_elif_used(self):
        """Check if `if` and `elif` statements are correctly used instead of multiple `if` statements."""
        if_statements = re.findall(r'^\s*if\s*', original_code, re.MULTILINE)
        elif_statements = re.findall(r'^\s*elif\s*', original_code, re.MULTILINE)

        _dynamic_test(
            self,
            len(if_statements) == 1 and len(elif_statements) > 0,
            "The `if-elif` structure is correctly used.",
            "Detected multiple `if` statements instead of a structured `if-elif` chain."
        )

    def test_else_used(self):
        """Check if `else` is correctly used to cover remaining cases."""
        else_statements = re.findall(r'^\s*else\s*:', original_code, re.MULTILINE)

        _dynamic_test(
            self,
            len(else_statements) == 1,
            "The `else` statement is correctly used.",
            "Expected an `else` statement to handle remaining cases, but none was found."
        )

    def test_if_elif_else_syntax(self):
        """Check if `if`, `elif`, and `else` statements have colons (`:`) at the end."""
        missing_colon_if = re.search(r'^\s*if\s*.*[^:]\s*$', original_code, re.MULTILINE) is not None
        missing_colon_elif = re.search(r'^\s*elif\s*.*[^:]\s*$', original_code, re.MULTILINE) is not None
        missing_colon_else = re.search(r'^\s*else\s*[^:]\s*$', original_code, re.MULTILINE) is not None

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

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

test_main.py

Denna kurs är utformad för att introducera dig till alla nyanser av villkorsoperatorn if-else. Kursen är fylld med exempel för att bättre förstå användningen av en sådan operator, samt uppgifter för att befästa de förvärvade färdigheterna. Här kommer du också att bekanta dig med if-elif-else-satser.

Du kommer att avtäcka mysterierna med den mångsidiga villkorsoperatören "if" och upptäcka dess kraft att forma resultat. Dyk djupare in i världen av logiska operatorer, bemästra deras konstfulla tillämpning och avslöja hemligheterna med att prioritera deras användning effektivt.

Lär dig att fatta beslut baserat på villkor, förenkla koden med hjälp av else-nyckelordet, vilket förbättrar både effektivitet och läsbarhet. Lås upp effektiviteten hos enradiga beslut med den ternära operatorn!

Du kommer att lära dig om den mest avancerade formen av det villkorliga operatorn if-elif-else, bekanta dig med syntaxen för denna konstruktion och hur den tillämpas korrekt.

Utmaning: Implementera en Träningsvaraktighetsspårare med if-elif-else

Lösning

Utmaning: Implementera en Träningsvaraktighetsspårare med if-elif-else

Lösning