Add a test for mysql instrumentation using NoOpTracerProvider

CHANGELOG.md

@@ -31,6 +31,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
   ([#1413](https://github.com/open-telemetry/opentelemetry-python-contrib/pull/1413))
 - `opentelemetry-instrumentation-pyramid` Add support for regular expression matching and sanitization of HTTP headers.
   ([#1414](https://github.com/open-telemetry/opentelemetry-python-contrib/pull/1414))
+- Add a test for mysql using NoOpTracerProvider
+  ([#1423](https://github.com/open-telemetry/opentelemetry-python-contrib/pull/1423))
 
 ### Fixed
 

instrumentation/opentelemetry-instrumentation-mysql/tests/test_mysql_integration.py

@@ -17,8 +17,10 @@
 import mysql.connector
 
 import opentelemetry.instrumentation.mysql
+from opentelemetry import trace as trace_api
 from opentelemetry.instrumentation.mysql import MySQLInstrumentor
 from opentelemetry.sdk import resources
+from opentelemetry.test.globals_test import reset_trace_globals
 from opentelemetry.test.test_base import TestBase
 
 
@@ -103,6 +105,22 @@ def test_instrument_connection(self):
         spans_list = self.memory_exporter.get_finished_spans()
         self.assertEqual(len(spans_list), 1)
 
+    @patch("mysql.connector.connect", new=mock_connect)
+    # pylint: disable=unused-argument
+    def test_instrument_connection_no_op_tracer_provider(self):
+        reset_trace_globals()
+        tracer_provider = trace_api.NoOpTracerProvider()
+        trace_api.set_tracer_provider(tracer_provider)
+
+        MySQLInstrumentor().instrument()
+        cnx = mysql.connector.connect(database="test")
+        query = "SELECT * FROM test"
+        cursor = cnx.cursor()
+        cursor.execute(query)
+
+        spans_list = self.memory_exporter.get_finished_spans()
+        self.assertEqual(len(spans_list), 0)
+
     @patch("mysql.connector.connect", new=mock_connect)
     # pylint: disable=unused-argument
     def test_uninstrument_connection(self):