Split up topic names between tests

Signed-off-by: Elena Kolevska <elena@kolevska.com>

examples/pubsub-streaming-async/README.md

@@ -27,11 +27,11 @@ Run the following command in a terminal/command prompt:
 <!-- STEP
 name: Run subscriber
 expected_stdout_lines:
-    - "== APP == Processing message: {'id': 1, 'message': 'hello world'} from TOPIC_A..."
-    - "== APP == Processing message: {'id': 2, 'message': 'hello world'} from TOPIC_A..."
-    - "== APP == Processing message: {'id': 3, 'message': 'hello world'} from TOPIC_A..."
-    - "== APP == Processing message: {'id': 4, 'message': 'hello world'} from TOPIC_A..."
-    - "== APP == Processing message: {'id': 5, 'message': 'hello world'} from TOPIC_A..."
+    - "== APP == Processing message: {'id': 1, 'message': 'hello world'} from TOPIC_B1..."
+    - "== APP == Processing message: {'id': 2, 'message': 'hello world'} from TOPIC_B1..."
+    - "== APP == Processing message: {'id': 3, 'message': 'hello world'} from TOPIC_B1..."
+    - "== APP == Processing message: {'id': 4, 'message': 'hello world'} from TOPIC_B1..."
+    - "== APP == Processing message: {'id': 5, 'message': 'hello world'} from TOPIC_B1..."
     - "== APP == Closing subscription..."
 output_match_mode: substring
 background: true
@@ -41,7 +41,7 @@ sleep: 3
 
 ```bash
 # 1. Start Subscriber
-dapr run --app-id python-subscriber --app-protocol grpc python3 subscriber.py
+dapr run --app-id python-subscriber --app-protocol grpc -- python3 subscriber.py --topic=TOPIC_B1
 ```
 
 <!-- END_STEP -->
@@ -63,7 +63,7 @@ sleep: 15
 
 ```bash
 # 2. Start Publisher
-dapr run --app-id python-publisher --app-protocol grpc --dapr-grpc-port=3500 --enable-app-health-check python3 publisher.py
+dapr run --app-id python-publisher --app-protocol grpc --dapr-grpc-port=3500 --enable-app-health-check -- python3 publisher.py --topic=TOPIC_B1
 ```
 
 <!-- END_STEP -->
@@ -75,11 +75,11 @@ Run the following command in a terminal/command prompt:
 <!-- STEP
 name: Run subscriber
 expected_stdout_lines:
-    - "== APP == Processing message: {'id': 1, 'message': 'hello world'} from TOPIC_A..."
-    - "== APP == Processing message: {'id': 2, 'message': 'hello world'} from TOPIC_A..."
-    - "== APP == Processing message: {'id': 3, 'message': 'hello world'} from TOPIC_A..."
-    - "== APP == Processing message: {'id': 4, 'message': 'hello world'} from TOPIC_A..."
-    - "== APP == Processing message: {'id': 5, 'message': 'hello world'} from TOPIC_A..."
+    - "== APP == Processing message: {'id': 1, 'message': 'hello world'} from TOPIC_B2..."
+    - "== APP == Processing message: {'id': 2, 'message': 'hello world'} from TOPIC_B2..."
+    - "== APP == Processing message: {'id': 3, 'message': 'hello world'} from TOPIC_B2..."
+    - "== APP == Processing message: {'id': 4, 'message': 'hello world'} from TOPIC_B2..."
+    - "== APP == Processing message: {'id': 5, 'message': 'hello world'} from TOPIC_B2..."
     - "== APP == Closing subscription..."
 output_match_mode: substring
 background: true
@@ -89,7 +89,7 @@ sleep: 3
 
 ```bash
 # 1. Start Subscriber
-dapr run --app-id python-subscriber --app-protocol grpc python3 subscriber-handler.py
+dapr run --app-id python-subscriber --app-protocol grpc -- python3 subscriber-handler.py --topic=TOPIC_B2
 ```
 
 <!-- END_STEP -->
@@ -111,7 +111,7 @@ sleep: 15
 
 ```bash
 # 2. Start Publisher
-dapr run --app-id python-publisher --app-protocol grpc --dapr-grpc-port=3500 --enable-app-health-check python3 publisher.py
+dapr run --app-id python-publisher --app-protocol grpc --dapr-grpc-port=3500 --enable-app-health-check -- python3 publisher.py --topic=TOPIC_B2
 ```
 
 <!-- END_STEP --> 

examples/pubsub-streaming-async/publisher.py

@@ -10,11 +10,18 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 # ------------------------------------------------------------
+import argparse
 import asyncio
 import json
 
 from dapr.aio.clients import DaprClient
 
+parser = argparse.ArgumentParser(description='Publish events to a Dapr pub/sub topic.')
+parser.add_argument('--topic', type=str, required=True, help='The topic name to publish to.')
+args = parser.parse_args()
+
+topic_name = args.topic
+
 
 async def publish_events():
     """
@@ -30,7 +37,7 @@ async def publish_events():
             # Create a typed message with content type and body
             await d.publish_event(
                 pubsub_name='pubsub',
-                topic_name='TOPIC_A',
+                topic_name=topic_name,
                 data=json.dumps(req_data),
                 data_content_type='application/json',
                 publish_metadata={'ttlInSeconds': '100', 'rawPayload': 'false'},

examples/pubsub-streaming-async/subscriber-handler.py

@@ -1,7 +1,15 @@
+import argparse
 import asyncio
 from dapr.aio.clients import DaprClient
 from dapr.clients.grpc._response import TopicEventResponse
 
+parser = argparse.ArgumentParser(description='Publish events to a Dapr pub/sub topic.')
+parser.add_argument('--topic', type=str, required=True, help='The topic name to publish to.')
+args = parser.parse_args()
+
+topic_name = args.topic
+dlq_topic_name = topic_name + '_DEAD'
+
 counter = 0
 
 
@@ -24,9 +32,9 @@ async def main():
         # Subscribe to the pubsub topic with the message handler
         close_fn = await client.subscribe_with_handler(
             pubsub_name='pubsub',
-            topic='TOPIC_A',
+            topic=topic_name,
             handler_fn=process_message,
-            dead_letter_topic='TOPIC_A_DEAD',
+            dead_letter_topic=dlq_topic_name,
         )
 
         # Wait until 5 messages are processed

examples/pubsub-streaming-async/subscriber.py

@@ -1,8 +1,16 @@
+import argparse
 import asyncio
 
 from dapr.aio.clients import DaprClient
 from dapr.clients.grpc.subscription import StreamInactiveError
 
+parser = argparse.ArgumentParser(description='Publish events to a Dapr pub/sub topic.')
+parser.add_argument('--topic', type=str, required=True, help='The topic name to publish to.')
+args = parser.parse_args()
+
+topic_name = args.topic
+dlq_topic_name = topic_name + '_DEAD'
+
 counter = 0
 
 
@@ -18,7 +26,7 @@ async def main():
     async with DaprClient() as client:
         global counter
         subscription = await client.subscribe(
-            pubsub_name='pubsub', topic='TOPIC_A', dead_letter_topic='TOPIC_A_DEAD'
+            pubsub_name='pubsub', topic=topic_name, dead_letter_topic=dlq_topic_name
         )
 
         try: