fix excluded_urls in instrumentation-asgi

Author: Carlos Rodríguez

instrumentation/opentelemetry-instrumentation-asgi/src/opentelemetry/instrumentation/asgi/__init__.py

@@ -259,6 +259,7 @@ def client_response_hook(span: Span, scope: dict[str, Any], message: dict[str, A
     get_custom_headers,
     normalise_request_header_name,
     normalise_response_header_name,
+    parse_excluded_urls,
     remove_url_credentials,
     sanitize_method,
 )
@@ -619,6 +620,8 @@ def __init__(
         self.active_requests_counter = create_http_server_active_requests(
             self.meter
         )
+        if excluded_urls is not None:
+            excluded_urls = parse_excluded_urls(excluded_urls)
         self.excluded_urls = excluded_urls
         self.default_span_details = (
             default_span_details or get_default_span_details

instrumentation/opentelemetry-instrumentation-asgi/tests/test_asgi_middleware.py

@@ -1633,6 +1633,29 @@ async def test_no_metric_for_websockets(self):
         await self.get_all_output()
         self.assertIsNone(self.memory_metrics_reader.get_metrics_data())
 
+    async def test_excluded_urls(self):
+        self.scope["path"] = "/test_excluded_urls"
+        app = otel_asgi.OpenTelemetryMiddleware(
+            simple_asgi, excluded_urls="test_excluded_urls"
+        )
+        self.seed_app(app)
+        await self.send_default_request()
+        await self.get_all_output()
+        spans = self.memory_exporter.get_finished_spans()
+        self.assertEqual(len(spans), 0)
+
+    async def test_no_excluded_urls(self):
+        self.scope["path"] = "/test_excluded_urls"
+        app = otel_asgi.OpenTelemetryMiddleware(
+            simple_asgi, excluded_urls="test_excluded_urls"
+        )
+        self.seed_app(app)
+        self.scope["path"] = "/test_no_excluded_urls"
+        await self.send_default_request()
+        await self.get_all_output()
+        spans = self.memory_exporter.get_finished_spans()
+        self.assertGreater(len(spans), 0)
+
 
 class TestAsgiAttributes(unittest.TestCase):
     def setUp(self):