Implement comprehensive ESP32 unit test infrastructure

.github/workflows/test-firmware.yml

@@ -6,6 +6,8 @@ on:
       - main
     paths:
       - 'main/**'
+      - 'components/**'
+      - 'test/**'
       - 'CMakeLists.txt'
       - 'sdkconfig'
   workflow_dispatch:
@@ -25,14 +27,6 @@ jobs:
         command: |
           idf.py build
 
-    - name: Install QEMU items
-      uses: espressif/esp-idf-ci-action@v1.2.0
-      with:
-        esp_idf_version: 'release-v5.4'
-        command: |
-          . $IDF_PATH/export.sh
-          python $IDF_PATH/tools/idf_tools.py install qemu-xtensa
-
     - name: Validate build artifacts
       run: |
         if [ ! -f build/remotehead.bin ]; then
@@ -49,6 +43,37 @@ jobs:
           echo "⚠️  Warning: Firmware size is over 1MB"
         fi
 
+  unit-tests:
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Checkout repository
+      uses: actions/checkout@v4
+
+    - name: Install QEMU
+      run: |
+        echo "Installing QEMU..."
+        sudo apt-get update
+        sudo apt-get install -y qemu-system-arm qemu-user
+        echo "✅ QEMU installation completed"
+
+    - name: Run Tests in QEMU
+      uses: espressif/esp-idf-ci-action@v1.2.0
+      with:
+        esp_idf_version: 'release-v5.4'
+        command: |
+          cd test
+          idf.py build
+          PYTHONUNBUFFERED=1 timeout 30s idf.py qemu
+          echo "✅ Tests executed in QEMU"
+
+  code-quality:
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Checkout repository
+      uses: actions/checkout@v4
+
     - name: Run basic code quality checks
       run: |
         echo "🔍 Checking for basic code quality issues..."
@@ -76,22 +101,15 @@ jobs:
           exit 1
         fi
 
+        # Check test files exist
+        if [ ! -d "test/main" ]; then
+          echo "❌ Error: Unit test directory not found"
+          exit 1
+        fi
+
+        if [ ! -f "test/main/test_main.c" ]; then
+          echo "❌ Error: Main test file not found"
+          exit 1
+        fi
+
         echo "✅ Basic code quality checks completed"
-
-    - name: Install QEMU
-      run: |
-        echo "Installing QEMU..."
-        sudo apt-get update
-        sudo apt-get install -y qemu-system-arm qemu-user
-        echo "✅ QEMU installation completed"
-
-    - name: Run Tests in QEMU
-      uses: espressif/esp-idf-ci-action@v1.2.0
-      with:
-        esp_idf_version: 'release-v5.4'
-        command: |
-          cd test
-          idf.py build
-          idf.py qemu
-          echo "✅ Tests executed in QEMU"
-