diff --git a/.coverage b/.coverage
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index 000000000..2a2b56cce
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diff --git a/.gitignore b/.gitignore
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--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,13 @@
+__pycache__/
+.pytest_cache/
+allure-results/
+allure-report/
+
+*.pyc
+*.pyo
+*.pyd
+
+.idea/
+.vscode/
+
+.env
diff --git a/__init__.py b/praktikum/__init__.py
similarity index 100%
rename from __init__.py
rename to praktikum/__init__.py
diff --git a/bun.py b/praktikum/bun.py
similarity index 100%
rename from bun.py
rename to praktikum/bun.py
diff --git a/burger.py b/praktikum/burger.py
similarity index 100%
rename from burger.py
rename to praktikum/burger.py
diff --git a/database.py b/praktikum/database.py
similarity index 100%
rename from database.py
rename to praktikum/database.py
diff --git a/ingredient.py b/praktikum/ingredient.py
similarity index 100%
rename from ingredient.py
rename to praktikum/ingredient.py
diff --git a/ingredient_types.py b/praktikum/ingredient_types.py
similarity index 100%
rename from ingredient_types.py
rename to praktikum/ingredient_types.py
diff --git a/praktikum.py b/praktikum/praktikum.py
similarity index 100%
rename from praktikum.py
rename to praktikum/praktikum.py
diff --git a/requirements.txt b/requirements.txt
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index 000000000..65a06064d
--- /dev/null
+++ b/requirements.txt
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+pytest==9.0.3
+pytest-cov==7.1.0
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diff --git a/tests/conftest.py b/tests/conftest.py
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--- /dev/null
+++ b/tests/conftest.py
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+from unittest.mock import Mock
+
+import pytest
+
+from praktikum.burger import Burger
+
+
+@pytest.fixture
+def burger():
+    return Burger()
+
+
+@pytest.fixture
+def bun():
+    bun = Mock()
+    bun.get_name.return_value = 'black bun'
+    bun.get_price.return_value = 100
+    return bun
+    
\ No newline at end of file
diff --git a/tests/data.py b/tests/data.py
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+++ b/tests/data.py
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+BUN_NAME = 'black bun'
+BUN_PRICE = 100
+
+SAUCE_NAME = 'hot sauce'
+SAUCE_PRICE = 20
+
+FILLING_NAME = 'cutlet'
+FILLING_PRICE = 50
diff --git a/tests/test_burger.py b/tests/test_burger.py
new file mode 100644
index 000000000..0c990b387
--- /dev/null
+++ b/tests/test_burger.py
@@ -0,0 +1,119 @@
+from unittest.mock import Mock
+
+import pytest
+
+from praktikum.ingredient_types import (
+    INGREDIENT_TYPE_FILLING,
+    INGREDIENT_TYPE_SAUCE
+)
+
+from tests.data import (
+    BUN_NAME,
+    SAUCE_NAME,
+    SAUCE_PRICE,
+    FILLING_NAME,
+    FILLING_PRICE
+)
+
+
+class TestBurger:
+
+    def test_set_buns_sets_bun(self, burger, bun):
+        burger.set_buns(bun)
+
+        assert burger.bun == bun
+
+    def test_add_ingredient_adds_ingredient_to_list(self, burger):
+        ingredient = Mock()
+
+        burger.add_ingredient(ingredient)
+
+        assert ingredient in burger.ingredients
+
+    def test_remove_ingredient_removes_ingredient_from_list(self, burger):
+        ingredient = Mock()
+
+        burger.add_ingredient(ingredient)
+        burger.remove_ingredient(0)
+
+        assert ingredient not in burger.ingredients
+
+    def test_remove_ingredient_with_invalid_index_raises_index_error(
+            self,
+            burger
+    ):
+        with pytest.raises(IndexError):
+            burger.remove_ingredient(0)
+
+    def test_move_ingredient_changes_order_of_ingredients(self, burger):
+        ingredient_1 = Mock()
+        ingredient_2 = Mock()
+
+        burger.add_ingredient(ingredient_1)
+        burger.add_ingredient(ingredient_2)
+
+        burger.move_ingredient(0, 1)
+
+        assert burger.ingredients == [ingredient_2, ingredient_1]
+
+    def test_move_ingredient_with_invalid_index_raises_index_error(
+            self,
+            burger
+    ):
+        with pytest.raises(IndexError):
+            burger.move_ingredient(0, 1)
+
+    @pytest.mark.parametrize(
+        'ingredient_prices, expected_price',
+        [
+            ([], 200),
+            ([50], 250),
+            ([50, 30], 280)
+        ]
+    )
+    def test_get_price_returns_correct_price(
+            self,
+            burger,
+            bun,
+            ingredient_prices,
+            expected_price
+    ):
+        burger.set_buns(bun)
+
+        for price in ingredient_prices:
+            ingredient = Mock()
+            ingredient.get_price.return_value = price
+            burger.add_ingredient(ingredient)
+
+        assert burger.get_price() == expected_price
+
+    def test_get_receipt_returns_correct_receipt(
+            self,
+            burger,
+            bun
+    ):
+        burger.set_buns(bun)
+
+        sauce = Mock()
+        sauce.get_type.return_value = INGREDIENT_TYPE_SAUCE
+        sauce.get_name.return_value = SAUCE_NAME
+        sauce.get_price.return_value = SAUCE_PRICE
+
+        filling = Mock()
+        filling.get_type.return_value = INGREDIENT_TYPE_FILLING
+        filling.get_name.return_value = FILLING_NAME
+        filling.get_price.return_value = FILLING_PRICE
+
+        burger.add_ingredient(sauce)
+        burger.add_ingredient(filling)
+
+        expected_receipt = (
+            f'(==== {BUN_NAME} ====)\n'
+            f'= sauce {SAUCE_NAME} =\n'
+            f'= filling {FILLING_NAME} =\n'
+            f'(==== {BUN_NAME} ====)\n\n'
+            'Price: 270'
+        )
+
+        assert burger.get_receipt() == expected_receipt
+        
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