feat(ci: tests): add CI for running unit tests

.github/workflows/test.yml

@@ -0,0 +1,31 @@
+name: Testing
+
+on:
+  pull_request:
+  push:
+    branches:
+    - master
+
+jobs:
+
+  tests:
+    name: Run tests
+    runs-on: ubuntu-latest
+
+    steps:
+
+    - name: Checkout repository
+      uses: actions/checkout@v2
+      with:
+        submodules: recursive
+
+      # We use nix flakes to setup environment
+    - name: Install Nix
+      uses: cachix/install-nix-action@v17
+      with:
+        extra_nix_config: |
+          access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}
+
+    - name: Test
+      run: |
+        nix develop .#test --command meson test -C build --print-errorlogs

flake.nix

@@ -65,12 +65,13 @@
               hardeningDisable = [ "fortify" ];
             };
 
-            tests = pkgs.mkShell rec {
+            test = pkgs.mkShell rec {
               nativeBuildInputs = with pkgs; [
                 # Bulding
                 gnumake
                 ninja
                 meson
+                nasm
                 # Testing
                 criterion.out
                 criterion.dev
@@ -79,6 +80,11 @@
 
               LD_LIBRARY_PATH = pkgs.lib.makeLibraryPath nativeBuildInputs;
               hardeningDisable = [ "fortify" ];
+
+              shellHook = ''
+                export BUILD_DIR=build
+                meson setup --cross-file ./scripts/meson_cross.ini --reconfigure -Dbuildtype=debug "./$BUILD_DIR"
+              '';
             };
 
           };