Use bash script to start Python http server for testing PAC file

Author: nmoinvaz

.github/workflows/macos.yaml

@@ -45,7 +45,7 @@ jobs:
       run: cmake --build build --config RelWithDebInfo
 
     - name: Run test http server
-      run: python3 -m http.server 8080 &
+      run: ./pac_server.sh
       working-directory: test
 
     - name: Run tests

.github/workflows/ubuntu.yaml

@@ -81,7 +81,7 @@ jobs:
       run: cmake --build build --config RelWithDebInfo
 
     - name: Run test http server
-      run: python3 -m http.server 8080 &
+      run: ./pac_server.sh
       working-directory: test
 
     - name: Run tests

.github/workflows/win32.yaml

@@ -71,7 +71,7 @@ jobs:
 
     - name: Run test http server
       shell: bash
-      run: python3 -m http.server 8080 &
+      run: ./pac_server.sh
       working-directory: test
 
     - name: Run tests

test/pac_server.sh

@@ -0,0 +1,21 @@
+#!/bin/sh
+# Start an HTTP server and wait until it is ready to accept connections.
+
+PORT="${1:-8080}"
+MAX_ATTEMPTS=30
+
+python3 -m http.server "$PORT" &
+SERVER_PID=$!
+
+for i in $(seq 1 "$MAX_ATTEMPTS"); do
+    if curl -sSf "http://127.0.0.1:$PORT/" >/dev/null 2>&1; then
+        echo "HTTP server is ready on port $PORT (pid $SERVER_PID)"
+        exit 0
+    fi
+    echo "Waiting for HTTP server (attempt $i/$MAX_ATTEMPTS)..."
+    sleep 1
+done
+
+echo "HTTP server failed to start on port $PORT" >&2
+kill "$SERVER_PID" 2>/dev/null
+exit 1