
import unittest
import user_code
import ast
import re   
import importlib
import csv
import unittest
import importlib

class TestTask(unittest.TestCase):
    def test_translation_basic(self):
        import user_code
        importlib.reload(user_code)
        polygon = [(0, 0), (1, 0), (1, 1), (0, 1)]
        vector = (2, 3)
        expected = [(2, 3), (3, 3), (3, 4), (2, 4)]
        result = user_code.translate_polygon(polygon, vector)
        _dynamic_test(
            self,
            isinstance(result, list) and result == expected,
            "Correct translation for simple square and vector (2, 3)",
            f"Expected {expected}, got {result}",
        )

    def test_translation_negative_coords(self):
        import user_code
        importlib.reload(user_code)
        polygon = [(-1, -1), (2, -1), (2, 2), (-1, 2)]
        vector = (0, -2)
        expected = [(-1, -3), (2, -3), (2, 0), (-1, 0)]
        result = user_code.translate_polygon(polygon, vector)
        _dynamic_test(
            self,
            isinstance(result, list) and result == expected,
            "Correct translation for polygon with negative coordinates and vector (0, -2)",
            f"Expected {expected}, got {result}",
        )

    def test_empty_polygon(self):
        import user_code
        importlib.reload(user_code)
        polygon = []
        vector = (5, 5)
        expected = []
        result = user_code.translate_polygon(polygon, vector)
        _dynamic_test(
            self,
            isinstance(result, list) and result == expected,
            "Returns empty list for empty polygon input",
            f"Expected empty list, got {result}",
        )

    def test_no_modification_of_original(self):
        import user_code
        importlib.reload(user_code)
        polygon = [(1, 2), (3, 4)]
        polygon_copy = list(polygon)
        vector = (10, 10)
        _ = user_code.translate_polygon(polygon, vector)
        _dynamic_test(
            self,
            polygon == polygon_copy,
            "Original polygon is not modified after translation",
            f"Expected original polygon {polygon_copy}, got {polygon}",
        )

    def test_zero_vector(self):
        import user_code
        importlib.reload(user_code)
        polygon = [(5, 7), (8, 9)]
        vector = (0, 0)
        expected = [(5, 7), (8, 9)]
        result = user_code.translate_polygon(polygon, vector)
        _dynamic_test(
            self,
            isinstance(result, list) and result == expected,
            "Correct translation for zero vector (no change)",
            f"Expected {expected}, got {result}",
        )

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)

def normalize_text(text):
    text = text.lower()
    text = re.sub(r"\\s{2,}", " ", text)
    text = re.sub(r"\\s*([,:?])\\s*", r"\\1 ", text)
    return text.strip()

def change_var(code: str, var_name: str, value: str) -> str:
    tree = ast.parse(code)
    lines = code.splitlines()
    changed = False
    # Collect all assignment nodes to modify
    assign_nodes = [
        (i, node)
        for i, node in enumerate(tree.body)
        if isinstance(node, ast.Assign)
        and any(isinstance(target, ast.Name) and target.id == var_name for target in node.targets)
    ]

    # If nothing to change, return unmodified code
    if not assign_nodes:
        return code

    # Perform replacements for all matching assignments (from last to first to not break line offsets)
    for i, node in reversed(assign_nodes):
        start_line = node.lineno - 1
        line = lines[start_line]
        indent = ' ' * (len(line) - len(line.lstrip()))
        lines[start_line] = f"{indent}{var_name} = {value}"
        next_line = len(lines)
        for next_node in tree.body[i+1:]:
            if hasattr(next_node, 'lineno'):
                next_line = next_node.lineno - 1
                break
        if next_line > start_line + 1:
            lines[start_line+1:next_line] = []
        changed = True

    return '\\n'.join(lines) if changed else code

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


test_main.py

Aprenda os fundamentos da modelagem geométrica utilizando Python. Explore como representar, manipular e aproximar figuras geométricas de forma programática. Este curso aborda formas básicas, transformações e técnicas práticas de aproximação, tornando conceitos geométricos acessíveis e interativos.

Introdução aos conceitos fundamentais de modelagem geométrica e como o Python pode ser utilizado para representar e manipular formas básicas.

Aprofunde-se em transformações geométricas como translação, rotação e escala, e veja como elas afetam formas em Python.

Aprenda a aproximar curvas e formas complexas utilizando polígonos e outras técnicas em Python.

Desafio: Translação

Solução