Add proxy readiness check and netcat dependency

Author: yhirose

.github/workflows/test_proxy.yaml

@@ -13,7 +13,7 @@ jobs:
     - name: Install dependencies
       run: |
         sudo apt-get update
-        sudo apt-get install -y build-essential libssl-dev zlib1g-dev libcurl4-openssl-dev libbrotli-dev libzstd-dev
+        sudo apt-get install -y build-essential libssl-dev zlib1g-dev libcurl4-openssl-dev libbrotli-dev libzstd-dev netcat
         
     - name: Run proxy tests
       run: |

test/Makefile

@@ -54,6 +54,8 @@ proxy : test_proxy
 	@echo "Starting proxy server..."
 	cd proxy && \
 	docker compose up -d
+	@echo "Waiting for proxy to be ready..."
+	@until nc -z localhost 3128 && nc -z localhost 3129; do sleep 1; done
 	@echo "Running proxy tests..."
 	./test_proxy; \
 	exit_code=$$?; \