ci: add cargo test reporting

.github/workflows/check.yml

@@ -54,7 +54,17 @@ jobs:
 
       - name: kairos x86_64-linux
         if: matrix.os == 'ubuntu-latest'
-        run: nix build -L --no-link --show-trace .#packages.x86_64-linux.kairos
+        run: nix build -L --out-link kairos-result --show-trace .#packages.x86_64-linux.kairos
+
+      - name: Create JUnit Kairos Test Report x86_64-linux
+        if: matrix.os == 'ubuntu-latest'
+        run: cat kairos-result/test-result.json | nix run nixpkgs#cargo2junit > kairos-test-result.xml
+
+      - name: Publish Kairos Test Report
+        uses: mikepenz/action-junit-report@v4
+        if: matrix.os == 'ubuntu-latest' || success() || failure() # always run even if the previous step fails
+        with:
+          report_paths: '*test-result.xml'
 
       - name: kairos x86_64-darwin
         if: matrix.os == 'macos-latest'

flake.nix

@@ -41,7 +41,7 @@
       ];
       perSystem = { config, self', inputs', system, pkgs, lib, ... }:
         let
-          rustToolchain = inputs'.fenix.packages.stable.toolchain;
+          rustToolchain = inputs'.fenix.packages.latest.toolchain;
           craneLib = inputs.crane.lib.${system}.overrideToolchain rustToolchain;
 
           kairosNodeAttrs = {
@@ -83,6 +83,11 @@
 
             kairos = craneLib.buildPackage (kairosNodeAttrs // {
               cargoArtifacts = self'.packages.kairos-deps;
+              cargoTestExtraArgs = "-- -Z unstable-options --format json --report-time | tee test-output.json";
+              postCheck = ''
+                mkdir -p $out
+                cp test-output.json $out
+              '';
             });
 
             default = self'.packages.kairos;