Add unit tests for Burger

.gitignore

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+# Виртуальное окружение
+venv/
+env/
+.venv/
+ENV/
+env.bak/
+venv.bak/
+
+# Python
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+*.py[cod]
+*$py.class
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+.pytest_cache/
+.tox/
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+
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+*.iml
+.settings/
+.project
+.classpath
+
+# Файлы с секретами
+.env
+.secrets
+secrets.py
+config_local.py
+config_local.json
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+# Драйверы браузеров
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+# Файлы отчетов
+pytest*.txt
+output.json

requirements.txt

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+pytest==9.0.3
+pytest-cov==7.1.0

tests/test_burger.py

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+import pytest
+
+from unittest.mock import MagicMock
+from praktikum.burger import Burger
+
+def test_simple():
+    assert True
+
+class TestBurger:
+
+    def test_initialization(self):
+        burger = Burger()
+
+        assert burger.bun is None
+        assert burger.ingredients == []
+
+    def test_set_buns(self):
+        burger = Burger()
+        bun = MagicMock()
+        burger.set_buns(bun)
+        assert burger.bun == bun
+
+    def test_add_ingredient(self):
+        burger = Burger()
+        ingredient = MagicMock()
+        burger.add_ingredient(ingredient)
+        assert burger.ingredients == [ingredient]
+
+    def test_remove_ingredient(self):
+        burger = Burger()
+        ingredient = MagicMock()
+
+        burger.add_ingredient(ingredient)
+        burger.remove_ingredient(0)
+
+        assert burger.ingredients == []
+
+    def test_move_ingredient(self):
+        burger = Burger()
+        ingredient1 = MagicMock()
+        ingredient2 = MagicMock()
+
+        burger.add_ingredient(ingredient1)
+        burger.add_ingredient(ingredient2)
+
+        burger.move_ingredient(0, 1)
+
+        assert burger.ingredients == [ingredient2, ingredient1]
+
+    def test_get_price(self):
+        burger = Burger()
+
+        bun = MagicMock()
+        bun.get_price.return_value = 5.0
+
+        ingredient1 = MagicMock()
+        ingredient1.get_price.return_value = 2.0
+
+        ingredient2 = MagicMock()
+        ingredient2.get_price.return_value = 3.0
+
+        burger.set_buns(bun)
+        burger.add_ingredient(ingredient1)
+        burger.add_ingredient(ingredient2)
+
+        total_price = burger.get_price()
+
+        assert total_price == 15.0  # 5 * 2 + 2 + 3
+
+    def test_get_receipt(self):
+        burger = Burger()
+
+        bun = MagicMock()
+        bun.get_name.return_value = "Bun"
+        bun.get_price.return_value = 5.0
+
+        ingredient1 = MagicMock()
+        ingredient1.get_name.return_value = "Ingredient 1"
+        ingredient1.get_type.return_value = "SAUCE"
+        ingredient1.get_price.return_value = 2.0
+
+        ingredient2 = MagicMock()
+        ingredient2.get_name.return_value = "Ingredient 2"
+        ingredient2.get_type.return_value = "FILLING"
+        ingredient2.get_price.return_value = 3.0
+
+        burger.set_buns(bun)
+        burger.add_ingredient(ingredient1)
+        burger.add_ingredient(ingredient2)
+
+        receipt = burger.get_receipt()
+
+        expected_receipt = (
+            "(==== Bun ====)\n"
+            "= sauce Ingredient 1 =\n"
+            "= filling Ingredient 2 =\n"
+            "(==== Bun ====)\n\n"
+            "Price: 15.0"
+        )
+
+        assert receipt == expected_receipt