update verify script

verify.bash

@@ -1,9 +1,12 @@
 #!/usr/bin/env bash
 
+# Exit on any error
 set -e
 
+# Build the Docker container and tag it as "verify-emulator"
 docker build . -t verify-emulator
 
+# Run the Docker container with the required environment variables and detach it
 docker run --rm --env PUBSUB_PROJECT=test-project \
   --env PUBSUB_TOPIC=test-topic1,test-topic2,test-topic3 \
   --env PUBSUB_SUBSCRIPTION=test-sub1,test-sub2,test-sub3 \
@@ -12,20 +15,26 @@ docker run --rm --env PUBSUB_PROJECT=test-project \
   --name verify \
   verify-emulator
 
+# Sleep for 10 seconds to allow the container to start
 sleep 10
 
+# Capture the container logs to a file
 docker logs verify &> verifylogs
 
+# Display the container logs
 cat verifylogs
 
+# Stop the Docker container
 docker stop verify > /dev/null
 
-echo verifying log output
-
-grep "Server started, listening on 8085" verifylogs
-grep "Topic created: projects/test-project/topics/test-topic1" verifylogs
-grep "Created subscription: projects/test-project/subscriptions/test-sub1" verifylogs
-grep "Published message with ID: 1" verifylogs
-grep "Received message: Hello, Pub/Sub emulator!" verifylogs
-
-echo logs contain expected output
+# Verify log output
+echo "Verifying log output..."
+if grep -q "Server started, listening on 8085" verifylogs &&
+   grep -q "Topic created: projects/test-project/topics/test-topic1" verifylogs &&
+   grep -q "Created subscription: projects/test-project/subscriptions/test-sub1" verifylogs &&
+   grep -q "Published message with ID: 1" verifylogs &&
+   grep -q "Received message: Hello, Pub/Sub emulator!" verifylogs; then
+  echo "Logs contain expected output."
+else
+  echo "Logs do not contain expected output."
+fi