MOTOR-1218: Upgrade to require aiohttp >=3.8 and avoid 3.8.6 (mongodb…

…#251)

pyproject.toml

@@ -66,7 +66,7 @@ srv = [
     "pymongo[srv]>=4.5,<5",
 ]
 test = [
-    "pytest>=7", "mockupdb", "tornado>=5", "aiohttp<3.8.6", "motor[encryption]"
+    "pytest>=7", "mockupdb", "tornado>=5", "aiohttp>=3.8,!=3.8.6", "motor[encryption]"
 ]
 zstd = [
     "pymongo[zstd]>=4.5,<5",
@@ -94,6 +94,7 @@ warn_redundant_casts = true
 warn_unreachable = true
 disable_error_code = ["type-arg"]
 enable_error_code = ["ignore-without-code", "redundant-expr", "truthy-bool"]
+exclude = ["aiohttp"] # Remove when drop support for 3.7
 
 [tool.pytest.ini_options]
 minversion = "7"

test/asyncio_tests/test_aiohttp_gridfs.py

@@ -221,7 +221,7 @@ async def test_content_type(self):
                 response = await method("/fs/" + filename)
                 self.assertEqual(200, response.status)
                 # mimetypes are platform-defined, be fuzzy
-                self.assertIn(expected_type, response.headers["Content-Type"].lower())
+                self.assertIn(expected_type, response.content_type)
 
     @asyncio_test
     async def test_post(self):

test/test_environment.py

@@ -20,6 +20,7 @@
 from functools import wraps
 from test.utils import create_user
 from test.version import Version
+from typing import TYPE_CHECKING
 from unittest import SkipTest
 
 import pymongo.errors
@@ -50,7 +51,12 @@
 
 HAVE_AIOHTTP = True
 try:
-    import aiohttp
+    # Remove when we drop support for 3.7
+    if TYPE_CHECKING:
+        HAVE_AIOHTTP = False
+        aiohttp = None
+    else:
+        import aiohttp
 except ImportError:
     HAVE_AIOHTTP = False
     aiohttp = None