Add virtio-snd automated integration test

Add virtio-snd automated integration test.

Author: Cuda-Chen

.ci/test-sound.sh

@@ -0,0 +1,54 @@
+#!/usr/bin/env bash
+
+set -euo pipefail
+
+# Source common functions and settings
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+export SCRIPT_DIR
+source "${SCRIPT_DIR}/common.sh"
+
+SAMPLE_SOUND="/usr/share/sounds/alsa/Front_Center.wav"
+
+# Override timeout for sound tests
+# Sound tests need different timeout: 30s for Linux, 900s for macOS
+case "${OS_TYPE}" in
+    Darwin)
+        TIMEOUT=900
+        ;;
+    Linux)
+        TIMEOUT=30
+        ;;
+    *)
+        TIMEOUT=30
+        ;;
+esac
+
+# Clean up any existing semu processes before starting tests
+cleanup
+
+# Test sound device
+expect <<DONE
+set timeout ${TIMEOUT}
+spawn make check
+expect "buildroot login:" { send "root\\n" } timeout { exit 1 }
+expect "# " { send "uname -a\\n" } timeout { exit 2 }
+expect "riscv32 GNU/Linux" { send "aplay ${SAMPLE_SOUND} \\n" } timeout { exit 3 }
+expect " Mono" { } timeout { exit 4 }
+DONE
+
+ret="$?"
+
+MESSAGES=("OK!" \
+     "Fail to boot" \
+     "Fail to login" \
+     "Fail to run playback commands" \
+     "Playback fails" \
+)
+
+if [ "$ret" -eq 0 ]; then
+    print_success "${MESSAGES["$ret"]}"
+else
+    print_error "${MESSAGES["$ret"]}"
+fi
+
+exit "$ret"

.github/workflows/main.yml

@@ -69,6 +69,10 @@ jobs:
       run: sudo .ci/test-netdev.sh
       shell: bash
       timeout-minutes: 10
+    - name: sound test
+      run: .ci/test-sound.sh
+      shell: bash
+      timeout-minutes: 5
 
   semu-macOS:
     runs-on: macos-latest
@@ -118,6 +122,10 @@ jobs:
       shell: bash
       timeout-minutes: 20
       if: ${{ success() }}
+    - name: sound test
+      run: .ci/test-sound.sh
+      shell: bash
+      timeout-minutes: 20
 
   coding_style:
     runs-on: ubuntu-24.04