add missing attribute in checkout && fix makefile

Makefile

@@ -0,0 +1,10 @@
+.PHONY: test
+
+test:
+	python -m unittest discover -s tests -p 'test_*.py'
+
+build:
+	python -m build
+
+publish:
+	python -m twine upload dist/*

src/chargily_pay/entity.py

@@ -49,6 +49,8 @@ class Checkout:
     customer_id: str = None
     description: str = None
     locale: str = None
+    payment_method:str=None
+    webhook_endpoint:str=None
     pass_fees_to_customer: bool = None
     metadata: list[dict] = field(default_factory=list)
 

tests/test_api.py

@@ -1,4 +1,3 @@
-from itertools import product
 import os
 import unittest
 
@@ -235,6 +234,49 @@ def test_create_checkout(self):
         )
         self.assertEqual(type(checkout), dict)
 
+    def test_create_checkout_with_webhook(self):
+        product = Product(
+            name="Product name",
+            description="Product description",
+        )
+        response = self.chargily.create_product(product)
+        product_id = response["id"]
+        price = self.chargily.create_price(
+            Price(amount=100, currency="dzd", product_id=product_id)
+        )
+        price_id = price["id"]
+        checkout = self.chargily.create_checkout(
+            Checkout(
+                items=[{"price": price_id, "quantity": 1}],
+                success_url="https://example.com/success",
+                failure_url="https://example.com/failure",
+                webhook_endpoint="https://example.com/webhook",
+            )
+        )
+        self.assertEqual(type(checkout), dict)
+        self.assertEqual(checkout["webhook_endpoint"], "https://example.com/webhook")
+
+    def test_create_checkout_with_payment_method(self):
+        product = Product(
+            name="Product name",
+            description="Product description",
+        )
+        response = self.chargily.create_product(product)
+        product_id = response["id"]
+        price = self.chargily.create_price(
+            Price(amount=100, currency="dzd", product_id=product_id)
+        )
+        price_id = price["id"]
+        checkout = self.chargily.create_checkout(
+            Checkout(
+                items=[{"price": price_id, "quantity": 1}],
+                success_url="https://example.com/success",
+                payment_method="cib",
+            )
+        )
+        self.assertEqual(type(checkout), dict)
+        self.assertEqual(checkout["payment_method"], "cib")
+
     def test_create_checkout_with_amount(self):
         checkout = self.chargily.create_checkout(
             Checkout(
@@ -245,8 +287,6 @@ def test_create_checkout_with_amount(self):
         )
         self.assertEqual(type(checkout), dict)
 
-
-
     def test_create_checkout_with_customer(self):
         product = Product(
             name="Product name",