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diff --git a/tests/conftest.py b/tests/conftest.py
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index 000000000..58f24fe34
--- /dev/null
+++ b/tests/conftest.py
@@ -0,0 +1,56 @@
+import pytest
+from unittest.mock import Mock
+import sys
+import os
+
+sys.path.insert(0, os.path.abspath(os.path.join(os.path.dirname(__file__), '..')))
+
+from praktikum.bun import Bun
+from praktikum.ingredient import Ingredient
+import praktikum.ingredient_types as ingredient_types
+
+
+@pytest.fixture
+def burger():
+    """Фикстура для создания бургера"""
+    from praktikum.burger import Burger
+    return Burger()
+
+
+@pytest.fixture
+def mock_bun():
+    """Фикстура для создания мока булочки"""
+    mock = Mock(spec=Bun)
+    mock.get_name.return_value = "black bun"
+    mock.get_price.return_value = 100.0
+    return mock
+
+
+@pytest.fixture
+def mock_ingredient_filling():
+    """Фикстура для создания мока начинки"""
+    mock = Mock(spec=Ingredient)
+    mock.get_name.return_value = "cutlet"
+    mock.get_price.return_value = 100.0
+    mock.get_type.return_value = ingredient_types.INGREDIENT_TYPE_FILLING
+    return mock
+
+
+@pytest.fixture
+def mock_ingredient_sauce():
+    """Фикстура для создания мока соуса"""
+    mock = Mock(spec=Ingredient)
+    mock.get_name.return_value = "hot sauce"
+    mock.get_price.return_value = 100.0
+    mock.get_type.return_value = ingredient_types.INGREDIENT_TYPE_SAUCE
+    return mock
+
+
+@pytest.fixture
+def multiple_mock_ingredients():
+    """Фикстура для создания нескольких моков ингредиентов"""
+    mock1 = Mock(spec=Ingredient)
+    mock2 = Mock(spec=Ingredient)
+    mock3 = Mock(spec=Ingredient)
+    return mock1, mock2, mock3
+
diff --git a/tests/test_burger.py b/tests/test_burger.py
new file mode 100644
index 000000000..25fec6d1f
--- /dev/null
+++ b/tests/test_burger.py
@@ -0,0 +1,155 @@
+import pytest
+import sys
+import os
+
+sys.path.insert(0, os.path.abspath(os.path.join(os.path.dirname(__file__), '..')))
+from unittest.mock import Mock
+from praktikum.bun import Bun
+from praktikum.ingredient import Ingredient
+
+class TestBurger:
+
+    def test_set_buns(self, burger, mock_bun):
+        burger.set_buns(mock_bun)
+        assert burger.bun == mock_bun
+
+    def test_add_ingredient(self, burger, mock_ingredient_filling):
+        burger.add_ingredient(mock_ingredient_filling)
+        assert len(burger.ingredients) == 1
+        assert burger.ingredients[0] == mock_ingredient_filling
+
+    def test_remove_ingredient(self, burger, mock_ingredient_filling):
+        burger.add_ingredient(mock_ingredient_filling)
+        burger.remove_ingredient(0)
+        assert len(burger.ingredients) == 0
+
+    def test_remove_ingredient_index_error(self, burger):
+        with pytest.raises(IndexError):
+            burger.remove_ingredient(0)
+
+    def test_move_ingredient(self, burger, multiple_mock_ingredients):
+        mock1, mock2, mock3 = multiple_mock_ingredients
+        
+        burger.add_ingredient(mock1)
+        burger.add_ingredient(mock2)
+        burger.add_ingredient(mock3)
+        
+        burger.move_ingredient(0, 2)
+        assert burger.ingredients == [mock2, mock3, mock1]
+
+    def test_move_ingredient_index_error(self, burger):
+        with pytest.raises(IndexError):
+            burger.move_ingredient(0, 0)
+
+    def test_get_price_empty_burger(self, burger, mock_bun):
+        burger.set_buns(mock_bun)
+        assert burger.get_price() == 200.0
+
+    def test_get_price_with_ingredients(self, burger, mock_bun, mock_ingredient_filling, mock_ingredient_sauce):
+        burger.set_buns(mock_bun)
+        burger.add_ingredient(mock_ingredient_filling)
+        burger.add_ingredient(mock_ingredient_sauce)
+        assert burger.get_price() == 400.0
+
+    def test_get_price_no_bun(self, burger):
+        with pytest.raises(AttributeError) as exc_info:
+            burger.get_price()
+        assert "object has no attribute" in str(exc_info.value)
+
+    def test_receipt_structure_empty_burger(self, burger, mock_bun):
+        burger.set_buns(mock_bun)
+        receipt = burger.get_receipt()
+        
+        expected_receipt = (
+            "(==== black bun ====)\n"
+            "(==== black bun ====)\n"
+            "\n"
+            "Price: 200.0"
+        )
+        assert receipt == expected_receipt
+
+    def test_receipt_structure_with_ingredients(self, burger, mock_bun, mock_ingredient_filling, mock_ingredient_sauce):
+        burger.set_buns(mock_bun)
+        burger.add_ingredient(mock_ingredient_sauce)
+        burger.add_ingredient(mock_ingredient_filling)
+        
+        receipt = burger.get_receipt()
+        
+        expected_receipt = (
+            "(==== black bun ====)\n"
+            "= sauce hot sauce =\n"
+            "= filling cutlet =\n"
+            "(==== black bun ====)\n"
+            "\n"
+            "Price: 400.0"
+        )
+        assert receipt == expected_receipt
+
+    def test_receipt_includes_correct_price_for_empty_burger(self, burger, mock_bun):
+        burger.set_buns(mock_bun)
+        receipt = burger.get_receipt()
+        assert "Price: 200.0" in receipt
+
+    def test_get_receipt_no_bun(self, burger):
+        with pytest.raises(AttributeError) as exc_info:
+            burger.get_receipt()
+        assert "object has no attribute" in str(exc_info.value)
+
+    @pytest.mark.parametrize("bun_price,ingredient_prices,expected_total", [
+        (100.0, [], 200.0),  # только булочки
+        (150.0, [50.0], 350.0),  # булочки + 1 ингредиент
+        (200.0, [100.0, 50.0, 75.0], 625.0),  # булочки + 3 ингредиента
+    ])
+    def test_get_price_parameterized(self, burger, bun_price, ingredient_prices, expected_total):
+        mock_bun = Mock(spec=Bun)
+        mock_bun.get_price.return_value = bun_price
+        
+        mock_ingredients = []
+        for price in ingredient_prices:
+            mock_ing = Mock(spec=Ingredient)
+            mock_ing.get_price.return_value = price
+            mock_ingredients.append(mock_ing)
+        
+        burger.set_buns(mock_bun)
+        for ingredient in mock_ingredients:
+            burger.add_ingredient(ingredient)
+        
+        assert burger.get_price() == expected_total
+
+    def test_ingredient_methods_called(self, burger, mock_bun, mock_ingredient_filling):
+        burger.set_buns(mock_bun)
+        burger.add_ingredient(mock_ingredient_filling)
+        
+        burger.get_price()
+        burger.get_receipt()
+        
+        mock_bun.get_name.assert_called()
+        mock_bun.get_price.assert_called()
+        mock_ingredient_filling.get_name.assert_called()
+        mock_ingredient_filling.get_price.assert_called()
+        mock_ingredient_filling.get_type.assert_called()
+
+    def test_set_buns_correctly_stores_bun(self, burger, mock_bun):
+        burger.set_buns(mock_bun)
+        assert burger.bun == mock_bun
+
+    def test_add_ingredient_increases_count(self, burger, mock_ingredient_filling):
+        initial_count = len(burger.ingredients)
+        burger.add_ingredient(mock_ingredient_filling)
+        assert len(burger.ingredients) == initial_count + 1
+
+    def test_add_ingredient_stores_correct_ingredient(self, burger, mock_ingredient_sauce):
+        burger.add_ingredient(mock_ingredient_sauce)
+        assert burger.ingredients[0] == mock_ingredient_sauce
+
+    def test_multiple_ingredients_stored_in_order(self, burger, mock_ingredient_sauce, mock_ingredient_filling):
+        burger.add_ingredient(mock_ingredient_sauce)
+        burger.add_ingredient(mock_ingredient_filling)
+        assert burger.ingredients == [mock_ingredient_sauce, mock_ingredient_filling]
+
+    def test_get_price_for_assembled_burger(self, burger, mock_bun, mock_ingredient_filling, mock_ingredient_sauce):
+        burger.set_buns(mock_bun)
+        burger.add_ingredient(mock_ingredient_sauce)
+        burger.add_ingredient(mock_ingredient_filling)
+        
+        assert burger.get_price() == 400.0