add func tests

.github/workflows/package.yml

@@ -100,13 +100,51 @@ jobs:
       - name: upload package artifacts
         uses: actions/upload-artifact@v4
         with:
-          name: "package_${{ inputs.target }}"
+          name: hyperscan-lib
           path: libhyperscan*deb
           if-no-files-found: error
 
       - name: upload func test artifacts
         uses: actions/upload-artifact@v4
         with:
-          name: "func_test_${{ inputs.target }}"
+          name: func_tester
           path: obj-x86_64-linux-gnu/bin/unit-xdpscan
           if-no-files-found: error
+
+  functional_test:
+    runs-on: ubuntu-22.04
+    needs: [build_library, build_dkms]
+    steps:
+
+      - name: install dependencies
+        run: |
+          sudo apt update
+          sudo apt install dkms
+
+      - uses: actions/download-artifact@v4
+        with:
+          name: dkms_package
+      - uses: actions/download-artifact@v4
+        with:
+          name: func_tester
+      - uses: actions/download-artifact@v4
+        with:
+          name: hyperscan-lib
+
+      - name: install hyperscan library
+        run: |
+          sudo apt install -y ./libhyperscan*deb
+
+      - name: build module with dkms
+        run: |
+          sudo apt-get install -y ./rex-dkms*_all.deb \
+          || ( find /var/lib/dkms -name make.log -exec cat '{}' \; && false )
+
+      - name: load module
+        run: |
+          sudo modprobe xdp_rex
+
+      - name: run tests
+        run: |
+          chmod +x unit-xdpscan
+          sudo ./unit-xdpscan