Extract macOS RTSP test action

Author: shimat

.github/actions/test-rtsp-macos/action.yml

@@ -0,0 +1,14 @@
+name: Test RTSP capture on macOS
+description: Run the OpenCvSharp RTSP integration test against a temporary MediaMTX server
+
+inputs:
+  mediamtx-version:
+    description: MediaMTX release version
+    required: true
+
+runs:
+  using: composite
+  steps:
+    - name: Run RTSP integration test
+      shell: bash
+      run: bash "${{ github.action_path }}/test-rtsp.sh" "${{ inputs.mediamtx-version }}"

.github/actions/test-rtsp-macos/test-rtsp.sh

@@ -0,0 +1,76 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+readonly mediamtx_version="$1"
+readonly archive_name="mediamtx_v${mediamtx_version}_darwin_arm64.tar.gz"
+readonly download_base="https://github.com/bluenviron/mediamtx/releases/download/v${mediamtx_version}"
+readonly server_dir="${RUNNER_TEMP}/mediamtx"
+readonly archive_path="${RUNNER_TEMP}/${archive_name}"
+readonly checksums_path="${RUNNER_TEMP}/mediamtx-checksums.sha256"
+readonly log_path="${RUNNER_TEMP}/mediamtx.log"
+server_pid=""
+
+cleanup() {
+  local status=$?
+  trap - EXIT
+
+  if [[ "${status}" -ne 0 && -f "${log_path}" ]]; then
+    cat "${log_path}"
+  fi
+  if [[ -n "${server_pid}" ]] && kill -0 "${server_pid}" 2>/dev/null; then
+    kill "${server_pid}" 2>/dev/null || true
+    wait "${server_pid}" 2>/dev/null || true
+  fi
+
+  exit "${status}"
+}
+trap cleanup EXIT
+
+curl -fL --retry 5 "${download_base}/${archive_name}" -o "${archive_path}"
+curl -fL --retry 5 "${download_base}/checksums.sha256" -o "${checksums_path}"
+
+expected_checksum="$(grep -E "[ *]${archive_name}$" "${checksums_path}" | awk '{print $1}')"
+if [[ -z "${expected_checksum}" ]]; then
+  echo "Checksum not found for ${archive_name}"
+  exit 1
+fi
+
+actual_checksum="$(shasum -a 256 "${archive_path}" | awk '{print $1}')"
+if [[ "${actual_checksum}" != "${expected_checksum}" ]]; then
+  echo "Checksum mismatch for ${archive_name}: expected ${expected_checksum}, got ${actual_checksum}"
+  exit 1
+fi
+
+mkdir -p "${server_dir}"
+tar -xzf "${archive_path}" -C "${server_dir}"
+"${server_dir}/mediamtx" "${GITHUB_WORKSPACE}/test/rtsp/mediamtx.yml" >"${log_path}" 2>&1 &
+server_pid=$!
+
+ready=false
+for attempt in $(seq 1 30); do
+  if ! kill -0 "${server_pid}" 2>/dev/null; then
+    echo "MediaMTX exited before the stream became available"
+    exit 1
+  fi
+  if grep -q "stream is available" "${log_path}"; then
+    ready=true
+    break
+  fi
+  sleep 1
+done
+
+if [[ "${ready}" != true ]]; then
+  echo "Timed out waiting for MediaMTX"
+  exit 1
+fi
+
+export OPENCVSHARP_TEST_RTSP_URL="rtsp://127.0.0.1:8554/test"
+export DYLD_LIBRARY_PATH="/usr/local/lib:${GITHUB_WORKSPACE}/test/OpenCvSharp.Tests${DYLD_LIBRARY_PATH:+:${DYLD_LIBRARY_PATH}}"
+dotnet test "${GITHUB_WORKSPACE}/test/OpenCvSharp.Tests/OpenCvSharp.Tests.csproj" \
+  -c Release \
+  -f net10.0 \
+  --runtime osx-arm64 \
+  --no-build \
+  --no-restore \
+  --filter "FullyQualifiedName=OpenCvSharp.Tests.VideoIO.VideoCaptureTest.ReadRtspStreamWithFFmpeg" \
+  < /dev/null

.github/workflows/macos.yml

@@ -335,51 +335,6 @@ jobs:
         with:
           dotnet-version: '10.0.x'
 
-      - name: Start local RTSP test server
-        run: |
-          version="${MEDIAMTX_VERSION}"
-          archive_name="mediamtx_v${version}_darwin_arm64.tar.gz"
-          download_base="https://github.com/bluenviron/mediamtx/releases/download/v${version}"
-          server_dir="${RUNNER_TEMP}/mediamtx"
-          archive_path="${RUNNER_TEMP}/${archive_name}"
-          checksums_path="${RUNNER_TEMP}/mediamtx-checksums.sha256"
-
-          curl -fL --retry 5 "${download_base}/${archive_name}" -o "${archive_path}"
-          curl -fL --retry 5 "${download_base}/checksums.sha256" -o "${checksums_path}"
-
-          expected_checksum=$(grep -E "[ *]${archive_name}$" "${checksums_path}" | awk '{print $1}')
-          if [ -z "${expected_checksum}" ]; then
-            echo "Checksum not found for ${archive_name}"
-            exit 1
-          fi
-          actual_checksum=$(shasum -a 256 "${archive_path}" | awk '{print $1}')
-          if [ "${actual_checksum}" != "${expected_checksum}" ]; then
-            echo "Checksum mismatch for ${archive_name}: expected ${expected_checksum}, got ${actual_checksum}"
-            exit 1
-          fi
-
-          mkdir -p "${server_dir}"
-          tar -xzf "${archive_path}" -C "${server_dir}"
-          "${server_dir}/mediamtx" "${GITHUB_WORKSPACE}/test/rtsp/mediamtx.yml" \
-            >"${RUNNER_TEMP}/mediamtx.log" 2>&1 &
-          server_pid=$!
-
-          for attempt in $(seq 1 30); do
-            if ! kill -0 "${server_pid}" 2>/dev/null; then
-              cat "${RUNNER_TEMP}/mediamtx.log"
-              exit 1
-            fi
-            if grep -q "stream is available" "${RUNNER_TEMP}/mediamtx.log"; then
-              echo "OPENCVSHARP_TEST_RTSP_URL=rtsp://127.0.0.1:8554/test" >> "${GITHUB_ENV}"
-              echo "OPENCVSHARP_RTSP_SERVER_PID=${server_pid}" >> "${GITHUB_ENV}"
-              exit 0
-            fi
-            sleep 1
-          done
-
-          cat "${RUNNER_TEMP}/mediamtx.log"
-          exit 1
-
       - name: Test
         run: |
           cd ${GITHUB_WORKSPACE}/test/OpenCvSharp.Tests
@@ -396,12 +351,10 @@ jobs:
             --logger "trx;LogFileName=test-results.trx" \
             --blame-crash --blame-crash-dump-type full < /dev/null
 
-      - name: Stop local RTSP test server
-        if: always()
-        run: |
-          if [ -n "${OPENCVSHARP_RTSP_SERVER_PID:-}" ]; then
-            kill "${OPENCVSHARP_RTSP_SERVER_PID}" 2>/dev/null || true
-          fi
+      - name: Test RTSP capture
+        uses: ./.github/actions/test-rtsp-macos
+        with:
+          mediamtx-version: ${{ env.MEDIAMTX_VERSION }}
 
       - name: Test Avalonia extensions
         run: |