Add basic unit test GitHub workflow

Author: timopollmeier

.github/actions/install-cgreen-with-sudo/action.yml

@@ -0,0 +1,44 @@
+name: "Install cgreen test framework with sudo"
+description: "Build and install a cgreen release from source with sudo"
+
+inputs:
+  hash:
+    description: "SHA256 hash of the downloaded cgreen archive."
+    default: "fe6be434cbe280330420106bd5d667f1bc84ae9468960053100dbf17071036b9"
+  version:
+    description: "Version of the release to download."
+    default: "1.6.2"
+
+branding:
+  icon: "package"
+  color: "green"
+
+runs:
+  using: "composite"
+  steps:
+    - name: "Install dependencies"
+      shell: bash
+      run: |
+        sudo apt-get update && \
+        sudo apt-get install -y --no-install-recommends  --no-install-suggests \
+            build-essential \
+            ca-certificates \
+            cmake \
+            curl \
+            gcc \
+            && rm -rf /var/lib/apt/lists/*
+    - name: "Install dependencies"
+      shell: bash
+      run: curl -sSL -o cgreen.tar.gz https://github.com/cgreen-devs/cgreen/archive/refs/tags/${{ inputs.version }}.tar.gz
+    - name: "Validate cgreen archive"
+      shell: bash
+      run: |
+        echo "${{ inputs.hash }} cgreen.tar.gz" | sha256sum -c -
+    - name: "Build and install cgreen"
+      shell: bash
+      run: |
+        tar -xzf cgreen.tar.gz
+        cd cgreen-*
+        cmake -Bbuild -DCMAKE_BUILD_TYPE=Release
+        sudo cmake --build build -j$(nproc) -- install
+        sudo ldconfig

.github/actions/setup-rust/action.yml

@@ -0,0 +1,24 @@
+name: "Setup Rust Environment"
+description: "Install necessary dependencies and set up Rust stable"
+runs:
+  using: "composite"
+  steps:
+    - uses: actions/cache@v4
+      with:
+        path: |
+          ~/.cargo/bin/
+          ~/.cargo/registry/index/
+          ~/.cargo/registry/cache/
+          ~/.cargo/git/db/
+          rust/target/
+        key: amd64-cargo
+    - run: sudo apt update || true
+      shell: bash
+    - run: sudo apt-get install -y libpcap-dev libclang-dev libsnmp-dev patchelf 
+      shell: bash
+    - run: rustup update stable && rustup default stable || rustup default stable
+      shell: bash
+    - run: rustup component add rustfmt
+      shell: bash
+    - run: rustup component add clippy
+      shell: bash

.github/workflows/unit-tests.yaml

@@ -0,0 +1,26 @@
+name: "Build and run unit tests"
+
+on: push
+
+jobs:
+  build-and-run-unit-tests:
+    runs-on: 'ubuntu-latest'
+    steps:
+      - name: Check out repository
+        uses: actions/checkout@v6
+      - name: Setup Rust
+        uses: ./.github/actions/setup-rust
+      - name: Build and run Rust unit tests
+        run: cargo test --lib --tests --workspace
+      - name: Install cgreen
+        uses: ./.github/actions/install-cgreen-with-sudo
+      - name: Prepare C build dir
+        run: |
+          mkdir build &&
+          cd build &&
+          cmake ..
+      - name: Build and run C unit test
+        run: |
+          cd build &&
+          make tests &&
+          make test