Add NoOpTraceProvider test for opentelemetry-instrumentation-logging (open-telemetry#2649)

Author: the-chandru

instrumentation/opentelemetry-instrumentation-logging/tests/test_logging.py

@@ -23,7 +23,7 @@
     LoggingInstrumentor,
 )
 from opentelemetry.test.test_base import TestBase
-from opentelemetry.trace import ProxyTracer, get_tracer
+from opentelemetry.trace import NoOpTracerProvider, ProxyTracer, get_tracer
 
 
 class FakeTracerProvider:
@@ -207,3 +207,18 @@ def test_uninstrumented(self):
                 self.assertFalse(hasattr(record, "otelTraceID"))
                 self.assertFalse(hasattr(record, "otelServiceName"))
                 self.assertFalse(hasattr(record, "otelTraceSampled"))
+
+    def test_no_op_tracer_provider(self):
+        LoggingInstrumentor().uninstrument()
+        LoggingInstrumentor().instrument(tracer_provider=NoOpTracerProvider())
+
+        with self.caplog.at_level(level=logging.INFO):
+            logger = logging.getLogger("test logger")
+            logger.info("hello")
+
+            self.assertEqual(len(self.caplog.records), 1)
+            record = self.caplog.records[0]
+            self.assertEqual(record.otelSpanID, "0")
+            self.assertEqual(record.otelTraceID, "0")
+            self.assertEqual(record.otelServiceName, "")
+            self.assertEqual(record.otelTraceSampled, False)