Add bash integration test for admin /info endpoint

Launches o_rly, polls until the admin server is ready, curls /info, and
validates the JSON response fields.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Author: afrind

CMakeLists.txt

@@ -79,6 +79,11 @@ if(ORLY_BUILD_TESTS)
   )
   include(GoogleTest)
   gtest_discover_tests(o_rly_relay_test)
+
+  add_test(
+    NAME admin_info_endpoint
+    COMMAND bash ${PROJECT_SOURCE_DIR}/tests/test_admin_info.sh $<TARGET_FILE:o_rly>
+  )
 endif()
 
 include(${PROJECT_SOURCE_DIR}/cmake/Lint.cmake)

tests/test_admin_info.sh

@@ -0,0 +1,45 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+BINARY="${1:-$(dirname "$0")/../build/o_rly}"
+ADMIN_PORT=9669
+ADMIN_URL="http://localhost:${ADMIN_PORT}/info"
+
+if [[ ! -x "$BINARY" ]]; then
+  echo "ERROR: binary not found or not executable: $BINARY" >&2
+  exit 1
+fi
+
+# Start o_rly in insecure mode (no TLS needed for this test) in the background.
+"$BINARY" --insecure --admin_port="$ADMIN_PORT" &
+O_RLY_PID=$!
+trap 'kill "$O_RLY_PID" 2>/dev/null; wait "$O_RLY_PID" 2>/dev/null || true' EXIT
+
+# Wait for the admin server to become ready (up to 5 s).
+for i in $(seq 1 50); do
+  if curl -sf "$ADMIN_URL" >/dev/null 2>&1; then
+    break
+  fi
+  sleep 0.1
+  if [[ $i -eq 50 ]]; then
+    echo "ERROR: admin server did not become ready in time" >&2
+    exit 1
+  fi
+done
+
+# Fetch the /info response.
+RESPONSE=$(curl -sf "$ADMIN_URL")
+echo "Response: $RESPONSE"
+
+# Validate expected fields.
+if ! echo "$RESPONSE" | grep -q '"service":"o-rly"'; then
+  echo "FAIL: missing \"service\":\"o-rly\" in response" >&2
+  exit 1
+fi
+
+if ! echo "$RESPONSE" | grep -q '"version":'; then
+  echo "FAIL: missing \"version\" field in response" >&2
+  exit 1
+fi
+
+echo "PASS"