Implicit value for not set cookie is None

doc/ChangeLog

@@ -1,5 +1,6 @@
 ==== 2.7.0dev0 ====
     * HTTPException has status_code property
+    * Implicit value for not set cookie is None
 
 ==== 2.6.1 ====
     * Fix OpenAPI Core wrappers

poorwsgi/request.py

@@ -467,7 +467,7 @@ def __init__(self, environ, app):
             self.__cookies = SimpleCookie()
             self.__cookies.load(self.__headers['Cookie'])
         else:
-            self.__cookies = tuple()
+            self.__cookies = None
 
         # variables for user use
         self.__user = None
@@ -655,7 +655,7 @@ def cookies(self):
         """SimpleCookie iterable object of all cookies from Cookie header.
 
         This property was set if Application.auto_cookies is set to true,
-        which is default. Otherwise cookies was empty tuple.
+        which is default. Otherwise cookies is None.
         """
         return self.__cookies
 

poorwsgi/session.py

@@ -237,7 +237,7 @@ def __init__(self, secret_key: Union[Request, str, bytes],
         if not isinstance(secret_key, (str, bytes)):  # backwards compatibility
             self.load(secret_key.cookies)
 
-    def load(self, cookies: Union[SimpleCookie, tuple]):
+    def load(self, cookies: Optional[SimpleCookie]):
         """Load session from request's cookie"""
         if not isinstance(cookies, SimpleCookie) or self.__sid not in cookies:
             return

tests/test_header.py

@@ -5,15 +5,17 @@
 from poorwsgi.request import Headers
 
 # pylint: disable=missing-function-docstring
+# pylint: disable=no-self-use
 
 
 class TestSetValues(TestCase):
     """Adding headers and or setting header values."""
+
     def test_constructor_empty(self):
         Headers()
-        Headers([]) # list
+        Headers([])  # list
         Headers(tuple())
-        Headers({}) # dict
+        Headers({})  # dict
         Headers(set())
 
     def test_constructor_tuples(self):

tests/test_session.py

@@ -46,6 +46,7 @@ def req_session():
 
 class TestSession:
     """Test PoorSession configuration options."""
+
     def test_default(self):
         session = PoorSession(SECRET_KEY)
         headers = session.header()
@@ -100,6 +101,7 @@ def test_https(self):
              reason="SameSite is supported from Python 3.8")
 class TestSameSite:
     """Test for PoorSession same_site option."""
+
     def test_default(self):
         session = PoorSession(SECRET_KEY)
         headers = session.header()
@@ -123,6 +125,7 @@ def test_strict(self):
 
 class TestErrors:
     """Test exceptions"""
+
     def test_no_secret_key(self):
         with raises(SessionError):
             PoorSession(Empty)
@@ -145,6 +148,7 @@ def test_bad_session_compatibility(self, req):
 
 class TestLoadWrite:
     """Tests of load and write methods."""
+
     def test_compatibility_empty(self, req):
         session = PoorSession(req)
         assert session.data == {}