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 = ['exercise_time', 'title']
        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 = {
            'exercise_time': int,
            'title': str
        }
        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_exercise_time_logic(self):
        """Check if `title` is assigned correctly based on `exercise_time`."""
        exercise_time = user_code.exercise_time

        if exercise_time > 10:
            expected_title = "Super Achiever"
        elif exercise_time >= 6:
            expected_title = "Hard Worker"
        elif exercise_time >= 3:
            expected_title = "Getting There"
        else:
            expected_title = "Needs Improvement"

        _dynamic_test(
            self,
            user_code.title == expected_title,
            f"The `title` variable is correctly set to `{expected_title}`.",
            f"Incorrect value for `title`. Expected `{expected_title}`, but got `{user_code.title}`."
        )

    def test_if_elif_used(self):
        """Check if `if` and `elif` statements are correctly used instead of multiple `if` statements."""
        with open("user_code.py", "r") as file:
            user_code_source = file.read()

        if_statements = re.findall(r'^\s*if\s+', user_code_source, re.MULTILINE)
        elif_statements = re.findall(r'^\s*elif\s+', user_code_source, 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."""
        with open("user_code.py", "r") as file:
            user_code_source = file.read()

        else_statements = re.findall(r'^\s*else\s*:', user_code_source, 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 run_with_modified_exercise_time(self, exercise_time_value):
        with open("user_code.py", "r") as file:
            original_code = file.read()

        """Executes the modified user code with a different `exercise_time` value."""
        modified_code = re.sub(r'exercise_time\s*=\s*\d+', f'exercise_time = {exercise_time_value}', original_code)
        local_scope = {}
        exec(modified_code, {}, local_scope)
        return local_scope["title"]

    def test_exercise_time_three(self):
        """Check if `exercise_time = 3` correctly assigns `Getting There`."""
        expected_title = "Getting There"
        result_title = self.run_with_modified_exercise_time(3)

        _dynamic_test(
            self,
            result_title == expected_title,
            "The title is correctly set to `Getting There` when `exercise_time = 3`.",
            f"Incorrect title for `exercise_time = 3`. Expected `{expected_title}`, but got `{result_title}`."
        )

    def test_exercise_time_six(self):
        """Check if `exercise_time = 6` correctly assigns `Hard Worker`."""
        expected_title = "Hard Worker"
        result_title = self.run_with_modified_exercise_time(6)

        _dynamic_test(
            self,
            result_title == expected_title,
            "The title is correctly set to `Hard Worker` when `exercise_time = 6`.",
            f"Incorrect title for `exercise_time = 6`. Expected `{expected_title}`, but got `{result_title}`."
        )

    def test_exercise_time_ten(self):
        """Check if `exercise_time = 10` correctly assigns `Hard Worker`."""
        expected_title = "Hard Worker"
        result_title = self.run_with_modified_exercise_time(10)

        _dynamic_test(
            self,
            result_title == expected_title,
            "The title is correctly set to `Hard Worker` when `exercise_time = 10`.",
            f"Incorrect title for `exercise_time = 10`. Expected `{expected_title}`, but got `{result_title}`."
        )

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

test_main.py

Dette kurset er designet for å introdusere deg for alle nyansene ved den betingede operatøren if-else. Kurset er fylt med eksempler for bedre å forstå bruken av en slik operatør, samt oppgaver for å konsolidere de tilegnede ferdighetene. Her vil du også bli kjent med if-elif-else utsagnene.

Du vil avdekke mysteriene til den allsidige betingelsesoperatøren "if," og oppdage dens kraft til å forme utfall. Dykk dypere inn i verdenen av logiske operatører, mestre deres kunstneriske anvendelse og avdekke hemmelighetene ved å prioritere deres bruk effektivt.

Lær hvordan du tar beslutninger basert på betingelser, forenkler koden ved å bruke else-nøkkelordet, og forbedrer både effektivitet og lesbarhet. Lås opp effektiviteten av enlinjers beslutninger med den ternære operatoren!

Du vil lære om den mest avanserte formen for den betingede operatøren if-elif-else, bli kjent med syntaksen til denne konstruksjonen og hvordan den brukes riktig.

Utfordring: Bygge en Fremdriftssporer ved Hjelp av if-elif-else-setninger

Løsning

Utfordring: Bygge en Fremdriftssporer ved Hjelp av if-elif-else-setninger

Løsning