diff --git a/.coverage b/.coverage
new file mode 100644
index 000000000..725ce3024
Binary files /dev/null and b/.coverage differ
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 000000000..8c85dd01f
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,13 @@
+venv/
+.venv/
+
+__pycache__/
+*.pyc
+*.pyo
+*.pyd
+
+.vscode/
+.idea/
+
+allure-results/
+allure-report/
diff --git a/README.md b/README.md
index 272081708..3cce61036 100644
--- a/README.md
+++ b/README.md
@@ -22,3 +22,4 @@
 **Запуск автотестов и создание HTML-отчета о покрытии**
 
 >  `$ pytest --cov=praktikum --cov-report=html`
+
diff --git a/__init__.py b/__init__.py
deleted file mode 100644
index e69de29bb..000000000
diff --git a/burger.py b/burger.py
index 2b3b6a88b..7fbc74f8d 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 bun import Bun
+from ingredient import Ingredient
 
 
 class Burger:
@@ -46,3 +46,4 @@ def get_receipt(self) -> str:
         receipt.append(f'Price: {self.get_price()}')
 
         return '\n'.join(receipt)
+
diff --git a/database.py b/database.py
index 4c75baf71..84d3685d0 100644
--- a/database.py
+++ b/database.py
@@ -1,8 +1,8 @@
 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 bun import Bun
+from ingredient import Ingredient
+from ingredient_types import INGREDIENT_TYPE_SAUCE, INGREDIENT_TYPE_FILLING
 
 
 class Database:
diff --git a/praktikum.py b/praktikum.py
index ec522fa6d..88b77abd1 100644
--- a/praktikum.py
+++ b/praktikum.py
@@ -1,9 +1,9 @@
 from typing import List
 
-from praktikum.bun import Bun
-from praktikum.burger import Burger
-from praktikum.database import Database
-from praktikum.ingredient import Ingredient
+from bun import Bun
+from burger import Burger
+from database import Database
+from ingredient import Ingredient
 
 
 def main():
diff --git a/requirements.txt b/requirements.txt
new file mode 100644
index 000000000..cffeec658
--- /dev/null
+++ b/requirements.txt
@@ -0,0 +1,2 @@
+pytest
+pytest-cov
\ No newline at end of file
diff --git a/tests/test_bun.py b/tests/test_bun.py
new file mode 100644
index 000000000..a59e6c57d
--- /dev/null
+++ b/tests/test_bun.py
@@ -0,0 +1,13 @@
+
+from bun import Bun
+
+class TestBun:
+
+    def test_get_name_returns_correct_value(self):
+        bun = Bun("test_bun", 999.99)
+        assert bun.get_name() == "test_bun"
+
+    def test_get_price_returns_correct_value(self):
+        bun = Bun("test_bun", 999.99)       
+        assert bun.get_price() == 999.99
+
diff --git a/tests/test_burger.py b/tests/test_burger.py
new file mode 100644
index 000000000..9c64cf3e1
--- /dev/null
+++ b/tests/test_burger.py
@@ -0,0 +1,143 @@
+import pytest
+
+from burger import Burger
+from bun import Bun
+from ingredient import Ingredient
+from ingredient_types import INGREDIENT_TYPE_FILLING, INGREDIENT_TYPE_SAUCE
+
+class TestBurger:
+
+
+    def test_set_buns_succsess(self):
+        burger = Burger()
+        test_bun = Bun("Origin bun",50)
+        burger.set_buns(test_bun)
+        assert burger.bun == test_bun
+
+
+    @pytest.mark.parametrize("ingredient_type, name, price", [
+        (INGREDIENT_TYPE_FILLING,"chicken",100),
+        (INGREDIENT_TYPE_FILLING,"meet",120),       
+        (INGREDIENT_TYPE_SAUCE, "salsa", 50),
+        (INGREDIENT_TYPE_SAUCE, "ancle bens", 60)    
+        ])    
+    def test_add_ingredient_several_succsess(self,ingredient_type, name, price):
+        burger = Burger()
+        bun = Bun("Origin Bun", 40)
+        burger.set_buns(bun) 
+
+        initial_count=  len(burger.ingredients)      
+        ingredient = Ingredient( ingredient_type,name,price)
+        burger.add_ingredient(ingredient)
+        final_count = len(burger.ingredients)
+        assert final_count == initial_count + 1
+        assert ingredient in burger.ingredients
+
+
+    def test_rremove_ingredient_only_one_leaves_empty_list(self):
+
+        burger = Burger()
+        burger.set_buns(Bun("Origin Bun", 40))
+        
+        one_ing= Ingredient(INGREDIENT_TYPE_FILLING,"chicken",100)
+        burger.add_ingredient(one_ing)
+        
+        burger.remove_ingredient(0)
+        
+        assert len(burger.ingredients) == 0
+        assert one_ing not in burger.ingredients
+
+
+    def test_remove_ingredient_from_empty_list_wait_error(self):
+
+        burger = Burger()
+        burger.set_buns(Bun("Origin Bun", 40))
+     
+        with pytest.raises(IndexError):
+            burger.remove_ingredient(0)
+
+    def test_remove_ingredient_for_index_del_correctly_ingredient(self):
+
+        burger = Burger()
+        burger.set_buns(Bun("Origin Bun", 40))
+        
+        first_ing= Ingredient(INGREDIENT_TYPE_FILLING,"chicken",100)
+        second_ing= Ingredient(INGREDIENT_TYPE_SAUCE, "salsa", 50)
+        burger.add_ingredient(first_ing)
+        burger.add_ingredient(second_ing)        
+        burger.remove_ingredient(0)
+        
+        assert len(burger.ingredients) == 1
+        assert first_ing not in burger.ingredients
+ 
+    def test_move_ingredient_single_to_new_position(self):
+        burger = Burger()
+        burger.set_buns(Bun("Origin Bun", 40))
+
+        ing1= Ingredient(INGREDIENT_TYPE_FILLING,"chicken",100)
+        ing2= Ingredient(INGREDIENT_TYPE_SAUCE, "salsa", 50)
+        ing3 = Ingredient(INGREDIENT_TYPE_FILLING,"meet",120)
+
+        burger.add_ingredient(ing1)
+        burger.add_ingredient(ing2)
+        burger.add_ingredient(ing3)
+
+        burger.move_ingredient(0, 1)
+
+        moved_ingredients = burger.ingredients
+        assert len(moved_ingredients) == 3
+        assert moved_ingredients[0] is ing2
+        assert moved_ingredients[1] is ing1
+        assert moved_ingredients[2] is ing3
+
+    def test_move_ingredient_from_bad_position_wait_error(self):
+        burger = Burger()
+        burger.set_buns(Bun("Origin Bun", 40))
+
+        ing1= Ingredient(INGREDIENT_TYPE_FILLING,"chicken",100)
+        ing2= Ingredient(INGREDIENT_TYPE_SAUCE, "salsa", 50)
+
+        burger.add_ingredient(ing1)
+        burger.add_ingredient(ing2)
+
+        with pytest.raises(IndexError):
+            burger.move_ingredient(5,0)
+
+    def test_get_price_includes_bun_twice_and_ingredients(self):
+        burger = Burger()
+        bun =Bun("Origin Bun", 40)
+        burger.set_buns(bun)
+
+        ing1= Ingredient(INGREDIENT_TYPE_FILLING,"chicken",100)
+        ing2= Ingredient(INGREDIENT_TYPE_SAUCE, "salsa", 50)
+
+        burger.add_ingredient(ing1)
+        burger.add_ingredient(ing2)
+
+        expected_price = (bun.get_price() * 2) + ing1.get_price() + ing2.get_price()
+
+        assert burger.get_price() == expected_price
+
+    def test_get_receipt_full_content(self):
+        burger = Burger()
+        bun =Bun("Origin Bun", 40)
+        burger.set_buns(bun)
+
+        ing1= Ingredient(INGREDIENT_TYPE_FILLING,"chicken",100)
+        ing2= Ingredient(INGREDIENT_TYPE_SAUCE, "salsa", 50)
+
+        burger.add_ingredient(ing1)
+        burger.add_ingredient(ing2)
+
+        receipt = burger.get_receipt()
+
+        expected_lines: List[str] = [
+            f'(==== {bun.get_name()} ====)',
+            f'= {str(ing1.get_type()).lower()} {ing1.get_name()} =',
+            f'= {str(ing2.get_type().lower())} {ing2.get_name()} =',  # исправлено: .lower() после get_type()
+            f'(==== {bun.get_name()} ====)',
+            "",                  
+            f'Price: {burger.get_price()}',
+        ]
+        expected = '\n'.join(expected_lines)
+        assert receipt == expected        
\ No newline at end of file
diff --git a/tests/test_database.py b/tests/test_database.py
new file mode 100644
index 000000000..f902ce961
--- /dev/null
+++ b/tests/test_database.py
@@ -0,0 +1,42 @@
+from database import Database
+
+from ingredient_types import INGREDIENT_TYPE_SAUCE, INGREDIENT_TYPE_FILLING
+
+class TestDatabase:
+
+    def test_available_buns_init_buns_in_database(self):
+
+        db = Database()
+        buns = db.available_buns()
+
+
+        actual_pairs = [(bun.get_name(), bun.get_price()) for bun in buns]
+
+        expected_pairs = [
+            ("black bun", 100),
+            ("white bun", 200),
+            ("red bun", 300),
+        ]
+
+        assert actual_pairs == expected_pairs     
+
+    def test_available_ingredients_init_in_database(self):
+        db = Database()
+        ingredients = db.available_ingredients()
+
+        actual = [
+            (ing.get_type(), ing.get_name(), ing.get_price())
+            for ing in ingredients
+        ]
+
+        # Ожидаемый набор — ровно в том порядке, как они добавлены в __init__
+        expected = [
+            (INGREDIENT_TYPE_SAUCE, "hot sauce", 100),
+            (INGREDIENT_TYPE_SAUCE, "sour cream", 200),
+            (INGREDIENT_TYPE_SAUCE, "chili sauce", 300),
+            (INGREDIENT_TYPE_FILLING, "cutlet", 100),
+            (INGREDIENT_TYPE_FILLING, "dinosaur", 200),
+            (INGREDIENT_TYPE_FILLING, "sausage", 300),
+        ]
+
+        assert actual == expected
\ No newline at end of file
diff --git a/tests/test_ingredient.py b/tests/test_ingredient.py
new file mode 100644
index 000000000..c4b97e1cf
--- /dev/null
+++ b/tests/test_ingredient.py
@@ -0,0 +1,27 @@
+from ingredient import Ingredient
+
+class TestIngredient:
+
+    def test_get_price_sucsess(self):
+        ingredient_type = "INGREDIENT_TYPE_FILLING"
+        name = "chicken"
+        price = 100.0
+
+        ing = Ingredient(ingredient_type, name, price)
+        assert ing.get_price() == price
+
+    def test_get_name_sucsess(self):
+        ingredient_type = "INGREDIENT_TYPE_FILLING"
+        name = "chicken"
+        price = 100.0
+
+        ing = Ingredient(ingredient_type, name, price)
+        assert ing.get_name() == name
+
+    def test_get_type_sucsess(self):
+        ingredient_type = "INGREDIENT_TYPE_FILLING"
+        name = "chicken"
+        price = 100.0
+
+        ing = Ingredient(ingredient_type, name, price)
+        assert ing.get_type() == ingredient_type
\ No newline at end of file