diff --git a/.gitignore b/.gitignore
new file mode 100644
index 000000000..3203808a5
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,8 @@
+__pycache__/
+.pytest_cache/
+.coverage
+
+venv/
+.idea/
+.vscode/
+.DS_Store
\ No newline at end of file
diff --git a/burger.py b/burger.py
index 2b3b6a88b..a61ee223b 100644
--- a/burger.py
+++ b/burger.py
@@ -1,7 +1,7 @@
 from typing import List
 
-from praktikum.bun import Bun
-from praktikum.ingredient import Ingredient
+from models.bun import Bun
+from models.ingredient import Ingredient
 
 
 class Burger:
diff --git a/coverage.txt b/coverage.txt
new file mode 100644
index 000000000..cf54eab88
--- /dev/null
+++ b/coverage.txt
@@ -0,0 +1,17 @@
+============================= test session starts ==============================
+platform darwin -- Python 3.14.3, pytest-9.0.3, pluggy-1.6.0
+rootdir: /Users/andarzanova/Diplom/Diplom_1
+plugins: cov-7.1.0, allure-pytest-2.16.0
+collected 10 items
+
+tests/test_burger.py ..........                                          [100%]
+
+================================ tests coverage ================================
+_______________ coverage: platform darwin, python 3.14.3-final-0 _______________
+
+Name        Stmts   Miss  Cover   Missing
+-----------------------------------------
+burger.py      27      0   100%
+-----------------------------------------
+TOTAL          27      0   100%
+============================== 10 passed in 0.03s ==============================
diff --git a/database.py b/database.py
index 4c75baf71..e51928795 100644
--- a/database.py
+++ b/database.py
@@ -1,8 +1,11 @@
 from typing import List
 
-from praktikum.bun import Bun
-from praktikum.ingredient import Ingredient
-from praktikum.ingredient_types import INGREDIENT_TYPE_SAUCE, INGREDIENT_TYPE_FILLING
+from models.bun import Bun
+from models.ingredient import Ingredient
+from models.ingredient_types import (
+    INGREDIENT_TYPE_SAUCE,
+    INGREDIENT_TYPE_FILLING
+)
 
 
 class Database:
diff --git a/models/__init__.py b/models/__init__.py
new file mode 100644
index 000000000..e69de29bb
diff --git a/bun.py b/models/bun.py
similarity index 100%
rename from bun.py
rename to models/bun.py
diff --git a/ingredient.py b/models/ingredient.py
similarity index 100%
rename from ingredient.py
rename to models/ingredient.py
diff --git a/ingredient_types.py b/models/ingredient_types.py
similarity index 100%
rename from ingredient_types.py
rename to models/ingredient_types.py
diff --git a/pytest.ini b/pytest.ini
new file mode 100644
index 000000000..03f586d41
--- /dev/null
+++ b/pytest.ini
@@ -0,0 +1,2 @@
+[pytest]
+pythonpath = .
\ No newline at end of file
diff --git a/requirements.txt b/requirements.txt
new file mode 100644
index 000000000..ded6f455f
--- /dev/null
+++ b/requirements.txt
@@ -0,0 +1,3 @@
+
+pytest==9.1.1
+pytest-cov==7.1.0
diff --git a/tests/test_burger.py b/tests/test_burger.py
new file mode 100644
index 000000000..2711556dc
--- /dev/null
+++ b/tests/test_burger.py
@@ -0,0 +1,120 @@
+import pytest
+from unittest.mock import Mock
+
+from burger import Burger
+
+class TestBurger:
+
+    def setup_method(self):
+        self.burger = Burger()
+
+
+
+    def test_set_buns(self):
+        bun = Mock()
+
+        self.burger.set_buns(bun)
+
+        assert self.burger.bun == bun
+
+
+    def test_add_ingredient(self):
+        ingredient = Mock()
+
+        self.burger.add_ingredient(ingredient)
+
+        assert self.burger.ingredients == [ingredient]
+
+
+    def test_remove_ingredient(self):
+        ingredient_1 = Mock()
+        ingredient_2 = Mock()
+
+        self.burger.add_ingredient(ingredient_1)
+        self.burger.add_ingredient(ingredient_2)
+
+        self.burger.remove_ingredient(0)
+
+        assert self.burger.ingredients == [ingredient_2]
+
+
+    def test_move_ingredient(self):
+        ingredient_1 = Mock()
+        ingredient_2 = Mock()
+        ingredient_3 = Mock()
+
+        self.burger.add_ingredient(ingredient_1)
+        self.burger.add_ingredient(ingredient_2)
+        self.burger.add_ingredient(ingredient_3)
+
+        self.burger.move_ingredient(0, 2)
+
+        assert self.burger.ingredients == [
+            ingredient_2,
+            ingredient_3,
+            ingredient_1
+        ]
+
+
+    @pytest.mark.parametrize(
+        "bun_price, ingredient_prices, expected_price",
+        [
+            (100, [], 200),
+            (100, [50], 250),
+            (100, [50, 100], 350),
+            (200, [100, 200], 700),
+        ]
+    )
+    def test_get_price(
+            self,
+            bun_price,
+            ingredient_prices,
+            expected_price
+    ):
+        bun = Mock()
+        bun.get_price.return_value = bun_price
+
+        self.burger.set_buns(bun)
+
+        for price in ingredient_prices:
+            ingredient = Mock()
+            ingredient.get_price.return_value = price
+            self.burger.add_ingredient(ingredient)
+
+        assert self.burger.get_price() == expected_price
+
+
+    def test_get_receipt(self):
+        bun = Mock()
+        bun.get_name.return_value = "black bun"
+        bun.get_price.return_value = 100
+
+
+        ingredient_1 = Mock()
+        ingredient_1.get_type.return_value = "SAUCE"
+        ingredient_1.get_name.return_value = "hot sauce"
+        ingredient_1.get_price.return_value = 50
+
+
+        ingredient_2 = Mock()
+        ingredient_2.get_type.return_value = "FILLING"
+        ingredient_2.get_name.return_value = "cutlet"
+        ingredient_2.get_price.return_value = 100
+
+
+        self.burger.set_buns(bun)
+
+        self.burger.add_ingredient(ingredient_1)
+        self.burger.add_ingredient(ingredient_2)
+
+
+        receipt = self.burger.get_receipt()
+
+
+        assert "(==== black bun ====)" in receipt
+        assert "= sauce hot sauce =" in receipt
+        assert "= filling cutlet =" in receipt
+        assert "Price: 350" in receipt
+
+
+   
\ No newline at end of file