Addressed error when deleting a user session in async app (Fixes #86)

tests/test_session.py

@@ -1,22 +1,24 @@
+try:
+    import uasyncio as asyncio
+except ImportError:
+    import asyncio
 import unittest
 from microdot import Microdot
+from microdot_asyncio import Microdot as MicrodotAsync
 from microdot_session import set_session_secret_key, get_session, \
     update_session, delete_session, with_session
 from microdot_test_client import TestClient
+from microdot_asyncio_test_client import TestClient as TestClientAsync
 
 set_session_secret_key('top-secret!')
 
 
 class TestSession(unittest.TestCase):
-    def setUp(self):
-        self.app = Microdot()
-        self.client = TestClient(self.app)
-
-    def tearDown(self):
-        pass
-
     def test_session(self):
-        @self.app.get('/')
+        app = Microdot()
+        client = TestClient(app)
+
+        @app.get('/')
         def index(req):
             session = get_session(req)
             session2 = get_session(req)
@@ -24,52 +26,106 @@ class TestSession(unittest.TestCase):
             self.assertEqual(session['foo'], 'bar')
             return str(session.get('name'))
 
-        @self.app.get('/with')
+        @app.get('/with')
         @with_session
         def session_context_manager(req, session):
             return str(session.get('name'))
 
-        @self.app.post('/set')
+        @app.post('/set')
         def set_session(req):
             update_session(req, {'name': 'joe'})
             return 'OK'
 
-        @self.app.post('/del')
+        @app.post('/del')
         def del_session(req):
             delete_session(req)
             return 'OK'
 
-        res = self.client.get('/')
+        res = client.get('/')
         self.assertEqual(res.text, 'None')
-        res = self.client.get('/with')
+        res = client.get('/with')
         self.assertEqual(res.text, 'None')
 
-        res = self.client.post('/set')
+        res = client.post('/set')
         self.assertEqual(res.text, 'OK')
 
-        res = self.client.get('/')
+        res = client.get('/')
         self.assertEqual(res.text, 'joe')
-        res = self.client.get('/with')
+        res = client.get('/with')
         self.assertEqual(res.text, 'joe')
 
-        res = self.client.post('/del')
+        res = client.post('/del')
         self.assertEqual(res.text, 'OK')
 
-        res = self.client.get('/')
+        res = client.get('/')
         self.assertEqual(res.text, 'None')
-        res = self.client.get('/with')
+        res = client.get('/with')
+        self.assertEqual(res.text, 'None')
+
+    def _run(self, coro):
+        loop = asyncio.get_event_loop()
+        return loop.run_until_complete(coro)
+
+    def test_session_async(self):
+        app = MicrodotAsync()
+        client = TestClientAsync(app)
+
+        @app.get('/')
+        async def index(req):
+            session = get_session(req)
+            session2 = get_session(req)
+            session2['foo'] = 'bar'
+            self.assertEqual(session['foo'], 'bar')
+            return str(session.get('name'))
+
+        @app.get('/with')
+        @with_session
+        async def session_context_manager(req, session):
+            return str(session.get('name'))
+
+        @app.post('/set')
+        async def set_session(req):
+            update_session(req, {'name': 'joe'})
+            return 'OK'
+
+        @app.post('/del')
+        async def del_session(req):
+            delete_session(req)
+            return 'OK'
+
+        res = self._run(client.get('/'))
+        self.assertEqual(res.text, 'None')
+        res = self._run(client.get('/with'))
+        self.assertEqual(res.text, 'None')
+
+        res = self._run(client.post('/set'))
+        self.assertEqual(res.text, 'OK')
+
+        res = self._run(client.get('/'))
+        self.assertEqual(res.text, 'joe')
+        res = self._run(client.get('/with'))
+        self.assertEqual(res.text, 'joe')
+
+        res = self._run(client.post('/del'))
+        self.assertEqual(res.text, 'OK')
+
+        res = self._run(client.get('/'))
+        self.assertEqual(res.text, 'None')
+        res = self._run(client.get('/with'))
         self.assertEqual(res.text, 'None')
 
     def test_session_no_secret_key(self):
         set_session_secret_key(None)
+        app = Microdot()
+        client = TestClient(app)
 
-        @self.app.get('/')
+        @app.get('/')
         def index(req):
             self.assertRaises(ValueError, get_session, req)
             self.assertRaises(ValueError, update_session, req, {})
             return ''
 
-        res = self.client.get('/')
+        res = client.get('/')
         self.assertEqual(res.status_code, 200)
 
         set_session_secret_key('top-secret!')