enhancement #46: set up environement for unit tests

.github/workflows/unit_tests.yml

@@ -0,0 +1,32 @@
+name: Pytest
+
+on: [pull_request]
+
+jobs:
+  tests:
+
+    runs-on: ubuntu-24.04
+
+    steps:
+      - name: Install Gstreamer
+        run: sudo apt-get -y install libssl-dev git python3-pip pkg-config libcairo2-dev gcc python3-dev libgirepository1.0-dev python3-gst-1.0 gir1.2-gst-plugins-bad-1.0 gstreamer1.0-plugins-bad gstreamer1.0
+
+      - name : Install Rust
+        uses: hecrj/setup-rust-action@v2
+
+      - name: Clone gst-plugins-rs
+        run: |
+          git clone -b 0.12.8 --depth 1 https://gitlab.freedesktop.org/gstreamer/gst-plugins-rs.git
+          cd gst-plugins-rs/net/webrtc/signalling/
+          cargo build
+
+      - uses: actions/checkout@v3
+      - name: Set up Python 3.10
+        uses: actions/setup-python@v4
+        with:
+          python-version: "3.10"
+          cache: 'pip' # caching pip dependencies
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install .