kafka-python instrumentation (#814)

instrumentation/opentelemetry-instrumentation-kafka-python/tests/test_instrumentation.py

@@ -0,0 +1,36 @@
+# Copyright The OpenTelemetry Authors
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+from unittest import TestCase
+
+from kafka import KafkaConsumer, KafkaProducer
+from wrapt import BoundFunctionWrapper
+
+from opentelemetry.instrumentation.kafka import KafkaInstrumentor
+
+
+class TestKafka(TestCase):
+    def test_instrument_api(self) -> None:
+        instrumentation = KafkaInstrumentor()
+
+        instrumentation.instrument()
+        self.assertTrue(isinstance(KafkaProducer.send, BoundFunctionWrapper))
+        self.assertTrue(
+            isinstance(KafkaConsumer.__next__, BoundFunctionWrapper)
+        )
+
+        instrumentation.uninstrument()
+        self.assertFalse(isinstance(KafkaProducer.send, BoundFunctionWrapper))
+        self.assertFalse(
+            isinstance(KafkaConsumer.__next__, BoundFunctionWrapper)
+        )