Allow stream log level to change at runtime (#66153)

tests/components/stream/test_init.py

@@ -0,0 +1,46 @@
+"""Test stream init."""
+
+import logging
+
+import av
+
+from homeassistant.components.stream import __name__ as stream_name
+from homeassistant.setup import async_setup_component
+
+
+async def test_log_levels(hass, caplog):
+    """Test that the worker logs the url without username and password."""
+
+    logging.getLogger(stream_name).setLevel(logging.INFO)
+
+    await async_setup_component(hass, "stream", {"stream": {}})
+
+    # These namespaces should only pass log messages when the stream logger
+    # is at logging.DEBUG or below
+    namespaces_to_toggle = (
+        "mp4",
+        "h264",
+        "hevc",
+        "rtsp",
+        "tcp",
+        "tls",
+        "mpegts",
+        "NULL",
+    )
+
+    # Since logging is at INFO, these should not pass
+    for namespace in namespaces_to_toggle:
+        av.logging.log(av.logging.ERROR, namespace, "SHOULD NOT PASS")
+
+    logging.getLogger(stream_name).setLevel(logging.DEBUG)
+
+    # Since logging is now at DEBUG, these should now pass
+    for namespace in namespaces_to_toggle:
+        av.logging.log(av.logging.ERROR, namespace, "SHOULD PASS")
+
+    # Even though logging is at DEBUG, these should not pass
+    av.logging.log(av.logging.WARNING, "mp4", "SHOULD NOT PASS")
+    av.logging.log(av.logging.WARNING, "swscaler", "SHOULD NOT PASS")
+
+    assert "SHOULD PASS" in caplog.text
+    assert "SHOULD NOT PASS" not in caplog.text