From 6ef64f6b1c7dff01313301e3b90592f491fa0bb9 Mon Sep 17 00:00:00 2001
From: Paulus Schoutsen <balloob@gmail.com>
Date: Thu, 11 Nov 2021 22:11:41 -0800
Subject: [PATCH] Fix CORS error in emulated_hue (#59570)

---
 homeassistant/components/http/view.py      | 14 +++++++++-----
 tests/components/emulated_hue/test_init.py | 11 +++++++++++
 2 files changed, 20 insertions(+), 5 deletions(-)

diff --git a/homeassistant/components/http/view.py b/homeassistant/components/http/view.py
index aeb610d265e..192d2d5d57b 100644
--- a/homeassistant/components/http/view.py
+++ b/homeassistant/components/http/view.py
@@ -94,11 +94,15 @@ class HomeAssistantView:
             for url in urls:
                 routes.append(router.add_route(method, url, handler))
 
-        allow_cors = (
-            app["allow_all_cors"] if self.cors_allowed else app["allow_configured_cors"]
-        )
-        for route in routes:
-            allow_cors(route)
+        # Use `get` because CORS middleware is not be loaded in emulated_hue
+        if self.cors_allowed:
+            allow_cors = app.get("allow_all_cors")
+        else:
+            allow_cors = app.get("allow_configured_cors")
+
+        if allow_cors:
+            for route in routes:
+                allow_cors(route)
 
 
 def request_handler_factory(
diff --git a/tests/components/emulated_hue/test_init.py b/tests/components/emulated_hue/test_init.py
index 2b0d6fe06c6..93bf8c0631f 100644
--- a/tests/components/emulated_hue/test_init.py
+++ b/tests/components/emulated_hue/test_init.py
@@ -1,5 +1,6 @@
 """Test the Emulated Hue component."""
 from datetime import timedelta
+from unittest.mock import patch
 
 from homeassistant.components.emulated_hue import (
     DATA_KEY,
@@ -7,6 +8,7 @@ from homeassistant.components.emulated_hue import (
     SAVE_DELAY,
     Config,
 )
+from homeassistant.setup import async_setup_component
 from homeassistant.util import utcnow
 
 from tests.common import async_fire_time_changed
@@ -113,3 +115,12 @@ def test_config_alexa_entity_id_to_number():
 
     entity_id = conf.number_to_entity_id("light.test")
     assert entity_id == "light.test"
+
+
+async def test_setup_works(hass):
+    """Test setup works."""
+    hass.config.components.add("network")
+    with patch(
+        "homeassistant.components.emulated_hue.create_upnp_datagram_endpoint"
+    ), patch("homeassistant.components.emulated_hue.async_get_source_ip"):
+        assert await async_setup_component(hass, "emulated_hue", {})