feat: Add e2e flask test with nest-asyncio for circleci

.circleci/config_continue.yml

@@ -79,6 +79,22 @@ jobs:
       - run: make with-django2x
       - run: (cd .circleci/ && ./websiteDjango2x.sh)
       - slack/status
+  test-website-flask-nest-asyncio:
+    docker:
+      - image: rishabhpoddar/supertokens_python_driver_testing
+    resource_class: large
+    environment:
+      SUPERTOKENS_NEST_ASYNCIO: "1"
+    steps:
+      - checkout
+      - run: update-alternatives --install "/usr/bin/java" "java" "/usr/java/jdk-15.0.1/bin/java" 2
+      - run: update-alternatives --install "/usr/bin/javac" "javac" "/usr/java/jdk-15.0.1/bin/javac" 2
+      - run: git config --global url."https://github.com/".insteadOf ssh://[email protected]/
+      - run: echo "127.0.0.1 localhost.org" >> /etc/hosts
+      - run: make with-flask
+      - run: python -m pip install nest-asyncio
+      - run: (cd .circleci/ && ./websiteFlask.sh)
+      - slack/status
   test-authreact-fastapi:
     docker:
       - image: rishabhpoddar/supertokens_python_driver_testing

supertokens_python/async_to_sync_wrapper.py

@@ -19,13 +19,8 @@
 _T = TypeVar("_T")
 
 
-def is_nest_asyncio_enabled():
-    try:
-        import nest_asyncio as _  # type: ignore
-
-        return getenv("SUPERTOKENS_NEST_ASYNCIO", "") == "1"
-    except Exception:
-        return False
+def nest_asyncio_enabled():
+    return getenv("SUPERTOKENS_NEST_ASYNCIO", "") == "1"
 
 
 def create_or_get_event_loop() -> asyncio.AbstractEventLoop:
@@ -35,7 +30,7 @@ def create_or_get_event_loop() -> asyncio.AbstractEventLoop:
         if "There is no current event loop in thread" in str(ex):
             loop = asyncio.new_event_loop()
 
-            if is_nest_asyncio_enabled():
+            if nest_asyncio_enabled():
                 import nest_asyncio  # type: ignore
 
                 nest_asyncio.apply(loop)  # type: ignore

tests/test_config.py

@@ -11,6 +11,8 @@
 # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 # License for the specific language governing permissions and limitations
 # under the License.
+import asyncio
+
 from pytest import mark
 from unittest.mock import MagicMock
 from supertokens_python import InputAppInfo, SupertokensConfig, init
@@ -800,3 +802,26 @@ async def test_cookie_samesite_with_ec2_public_url():
     assert SessionRecipe.get_instance().config.cookie_domain is None
     assert SessionRecipe.get_instance().config.cookie_same_site == "lax"
     assert SessionRecipe.get_instance().config.cookie_secure is False
+
+
+def test_nest_asyncio_import():
+    from supertokens_python.async_to_sync_wrapper import nest_asyncio_enabled, sync
+    from os import getenv
+
+    circleci = getenv("CIRCLECI", "false") == "true"
+
+    if not circleci:
+        return
+
+    # Has to be circleci
+    if nest_asyncio_enabled():
+        # nest-asyncio should be installed
+        sync(asyncio.sleep(0.1))
+    else:
+        # nest-asyncio shouldn't be installed and sync() should throw error
+        try:
+            sync(asyncio.sleep(0.1))
+            assert False, "Shouldn't come here"
+        except ModuleNotFoundError:
+            # should be missing
+            assert True