From 52dd95fb5cb1aa0e1b00bdcfc3f8c1cbbdcf10b5 Mon Sep 17 00:00:00 2001
From: Jonas Lundberg <jonas@5monkeys.se>
Date: Thu, 1 Apr 2021 16:32:20 +0200
Subject: [PATCH] Fix extenstions typo in AsyncHTTPTransport (#1549)

---
 httpx/_transports/default.py      | 2 +-
 tests/client/test_async_client.py | 9 +++++++++
 tests/client/test_client.py       | 8 ++++++++
 3 files changed, 18 insertions(+), 1 deletion(-)

diff --git a/httpx/_transports/default.py b/httpx/_transports/default.py
index 67f62322..5691538d 100644
--- a/httpx/_transports/default.py
+++ b/httpx/_transports/default.py
@@ -264,7 +264,7 @@ class AsyncHTTPTransport(AsyncBaseTransport):
         int, typing.List[typing.Tuple[bytes, bytes]], typing.AsyncIterable[bytes], dict
     ]:
         with map_httpcore_exceptions():
-            status_code, headers, byte_stream, extenstions = await self._pool.arequest(
+            status_code, headers, byte_stream, extensions = await self._pool.arequest(
                 method=method,
                 url=url,
                 headers=headers,
diff --git a/tests/client/test_async_client.py b/tests/client/test_async_client.py
index 99493c43..6c121b5e 100644
--- a/tests/client/test_async_client.py
+++ b/tests/client/test_async_client.py
@@ -313,3 +313,12 @@ async def test_async_mock_transport():
         response = await client.get("https://www.example.com")
         assert response.status_code == 200
         assert response.text == "Hello, world!"
+
+
+@pytest.mark.usefixtures("async_environment")
+async def test_server_extensions(server):
+    url = server.url
+    async with httpx.AsyncClient(http2=True) as client:
+        response = await client.get(url)
+    assert response.status_code == 200
+    assert response.extensions["http_version"] == b"HTTP/1.1"
diff --git a/tests/client/test_client.py b/tests/client/test_client.py
index 386cd748..0538e960 100644
--- a/tests/client/test_client.py
+++ b/tests/client/test_client.py
@@ -383,3 +383,11 @@ def test_all_mounted_transport():
     response = client.get("https://www.example.com")
     assert response.status_code == 200
     assert response.json() == {"app": "mounted"}
+
+
+def test_server_extensions(server):
+    url = server.url.copy_with(path="/http_version_2")
+    with httpx.Client(http2=True) as client:
+        response = client.get(url)
+    assert response.status_code == 200
+    assert response.extensions["http_version"] == b"HTTP/1.1"
-- 
2.47.3