Generic IP Camera configflow 2 (#52360)

Co-authored-by: J. Nick Koston <nick@koston.org>

tests/components/generic/conftest.py

@@ -1,9 +1,14 @@
 """Test fixtures for the generic component."""
 
 from io import BytesIO
+from unittest.mock import Mock, patch
 
 from PIL import Image
 import pytest
+import respx
+
+from homeassistant import config_entries, setup
+from homeassistant.components.generic.const import DOMAIN
 
 
 @pytest.fixture(scope="package")
@@ -29,3 +34,34 @@ def fakeimgbytes_svg():
         '<svg xmlns="http://www.w3.org/2000/svg"><circle r="50"/></svg>',
         encoding="utf-8",
     )
+
+
+@pytest.fixture
+def fakeimg_png(fakeimgbytes_png):
+    """Set up respx to respond to test url with fake image bytes."""
+    respx.get("http://127.0.0.1/testurl/1").respond(stream=fakeimgbytes_png)
+
+
+@pytest.fixture(scope="package")
+def mock_av_open():
+    """Fake container object with .streams.video[0] != None."""
+    fake = Mock()
+    fake.streams.video = ["fakevid"]
+    return patch(
+        "homeassistant.components.generic.config_flow.av.open",
+        return_value=fake,
+    )
+
+
+@pytest.fixture
+async def user_flow(hass):
+    """Initiate a user flow."""
+
+    await setup.async_setup_component(hass, "persistent_notification", {})
+    result = await hass.config_entries.flow.async_init(
+        DOMAIN, context={"source": config_entries.SOURCE_USER}
+    )
+    assert result["type"] == "form"
+    assert result["errors"] == {}
+
+    return result