diff --git a/.gitignore b/.gitignore
new file mode 100644
index 000000000..7db906e54
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,16 @@
+__pycache__/
+*.pyc
+*.pyo
+*.pyd
+venv/
+env/
+.venv/
+ENV/
+dist/
+build/
+*.egg-info/
+*.egg
+.pytest_cache/
+.coverage
+htmlcov/
+.tox/
\ No newline at end of file
diff --git a/burger.py b/burger.py
index 2b3b6a88b..4c9904fc4 100644
--- a/burger.py
+++ b/burger.py
@@ -1,8 +1,7 @@
 from typing import List
 
-from praktikum.bun import Bun
-from praktikum.ingredient import Ingredient
-
+from bun import Bun
+from ingredient import Ingredient
 
 class Burger:
     """
diff --git a/data.py b/data.py
new file mode 100644
index 000000000..6ea429e82
--- /dev/null
+++ b/data.py
@@ -0,0 +1,10 @@
+BUN_DATA = {
+    "name": "black bun",
+    "price": 100
+}
+
+INGREDIENTS_DATA = [
+    {"type": "SAUCE", "name": "hot sauce", "price": 100},
+    {"type": "FILLING", "name": "cutlet", "price": 100},
+    {"type": "FILLING", "name": "dinosaur", "price": 200},
+]
\ No newline at end of file
diff --git a/requirements.txt b/requirements.txt
new file mode 100644
index 000000000..3952ae2b8
Binary files /dev/null and b/requirements.txt differ
diff --git a/tests/__init__.py b/tests/__init__.py
new file mode 100644
index 000000000..e69de29bb
diff --git a/tests/conftest.py b/tests/conftest.py
new file mode 100644
index 000000000..aa2352e5e
--- /dev/null
+++ b/tests/conftest.py
@@ -0,0 +1,42 @@
+import pytest
+from unittest.mock import Mock
+from burger import Burger
+from data import *
+
+
+#пустой объект Burger
+@pytest.fixture
+def new_burger():
+    return Burger()
+
+# Мок-булка 
+@pytest.fixture
+def bun_in_burger():
+    bun = Mock()
+    bun.name = BUN_DATA["name"]
+    bun.price = BUN_DATA["price"]
+    bun.get_price.return_value = BUN_DATA["price"]
+    bun.get_name.return_value = BUN_DATA["name"]
+    return bun
+
+# список для бургера
+@pytest.fixture
+def ingredients_in_burger():
+    ingredients = []
+    for i in INGREDIENTS_DATA:
+        ingredient = Mock()
+        ingredient.type = i["type"]
+        ingredient.name = i["name"]
+        ingredient.price = i["price"]
+        ingredient.get_type.return_value = i["type"]
+        ingredient.get_name.return_value = i["name"]
+        ingredient.get_price.return_value = i["price"]
+        ingredients.append(ingredient)
+    return ingredients
+
+# мок с булкой и ингредиентами
+@pytest.fixture
+def mocked_burger(new_burger, bun_in_burger, ingredients_in_burger):
+    new_burger.set_buns(bun_in_burger)
+    new_burger.ingredients = ingredients_in_burger.copy()
+    return new_burger
\ No newline at end of file
diff --git a/tests/test_burger.py b/tests/test_burger.py
new file mode 100644
index 000000000..9a826f634
--- /dev/null
+++ b/tests/test_burger.py
@@ -0,0 +1,54 @@
+import pytest
+
+class TestBurger:
+
+    # изначальное состояние (без ингредиентов)
+    def test_burger_initialization(self, new_burger):
+        assert new_burger.bun is None
+        assert new_burger.ingredients == []
+
+    # проверяем добав. одной булки
+    def test_set_buns_single_bun_added_in_burger(self, new_burger, bun_in_burger):
+        new_burger.set_buns(bun_in_burger)
+        assert new_burger.bun == bun_in_burger
+
+    # Проверка добавления 2-ух ингрдтв. в бугрере
+    def test_add_ingredient_two_ingridients_added_in_burger(self, new_burger, ingredients_in_burger):
+        new_burger.add_ingredient(ingredients_in_burger[0])
+        new_burger.add_ingredient(ingredients_in_burger[1])
+        assert ingredients_in_burger[0] and ingredients_in_burger[1] in new_burger.ingredients
+
+    # удаляем первый ингредиент 
+    def test_remove_ingredient_first_ingredient_delete_from_burger(self, new_burger, ingredients_in_burger):
+        new_burger.ingredients = ingredients_in_burger.copy()
+        new_burger.remove_ingredient(0)
+        expected_ingredients = ingredients_in_burger[1:]
+        assert new_burger.ingredients == expected_ingredients
+
+    # ингредиенты внутри списка
+    def test_move_ingredient_moves_two_ingredient_in_burger_changed(self, new_burger, ingredients_in_burger):
+        new_burger.ingredients = ingredients_in_burger.copy()
+        new_burger.move_ingredient(0, 1)
+        assert new_burger.ingredients[0] == ingredients_in_burger[1] and new_burger.ingredients[1] == ingredients_in_burger[0]
+
+    # расчет цены
+    @pytest.mark.parametrize("ingredients", [[0, 1], [1, 2], [0, 2], [0, 1, 2]])
+    def test_get_price_various_ingredients_correct_price(self, mocked_burger, bun_in_burger, ingredients_in_burger, ingredients):
+        selected_ingredients = [ingredients_in_burger[i] for i in ingredients]
+        mocked_burger.ingredients = selected_ingredients
+        expected_price = bun_in_burger.get_price.return_value * 2 + sum(i.get_price.return_value for i in selected_ingredients)
+        price = mocked_burger.get_price()
+        assert price == expected_price
+
+    # чек
+    @pytest.mark.parametrize("ingredients", [[0, 1], [1, 2], [0, 2], [0, 1, 2]])
+    def test_get_receipt_various_ingredients_expected_price(self, mocked_burger, bun_in_burger, ingredients_in_burger, ingredients):
+        selected_ingredients = [ingredients_in_burger[i] for i in ingredients]
+        mocked_burger.ingredients = selected_ingredients
+        receipt = mocked_burger.get_receipt()
+        expected_lines = [f'(==== {bun_in_burger.get_name.return_value} ====)']
+        expected_lines += [f'= {ing.get_type.return_value.lower()} {ing.get_name.return_value} =' for ing in selected_ingredients]
+        expected_lines.append(f'(==== {bun_in_burger.get_name.return_value} ====)\n')
+        expected_lines.append(f'Price: {mocked_burger.get_price()}')
+        expected_receipt = '\n'.join(expected_lines)
+        assert receipt == expected_receipt
\ No newline at end of file