Added testcode For #976

Signed-off-by: C, Chandru <[email protected]>

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 ProxyTracer, get_tracer, NoOpTracerProvider
 
 
 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)