Add anchor-test to initialise and build a sample app

this can catch a lot of issues when it comes to anchor behaviour that is not caught by just compiling anchor

Author: arijoon

.github/workflows/ci.yml

@@ -40,3 +40,7 @@ jobs:
       - name: Test Anchor CLI
         run: |
           nix run .#anchor-cli -- --version
+
+      - name: Test Anchor Program
+        run: |
+          nix build .#anchor-test -L --impure --option sandbox false

anchor-test.nix

@@ -1,39 +1,66 @@
 {
   stdenv,
   anchor-cli,
+  solana-cli,
+  solana-rust,
   runCommand,
+  nodejs,
+  yarn,
+  cacert
 }:
 let
-  src = runCommand "anchor-test-src" 
-    {
-      nativeBuildInputs = [ anchor-cli ];
-    }
-    ''
-    mkdir -p $out
-    cd $out
-    anchor init example -j --no-install --no-git --test-template rust
-    mv example/.* example/* .
-    rm -rf example
-    '';
+  src =
+    runCommand "anchor-test-src"
+      {
+        nativeBuildInputs = [
+          anchor-cli
+          nodejs
+          yarn
+        ];
+      }
+      ''
+        mkdir -p $out
+        cd $out
+        export HOME=$(mktemp -d)
+        RUST_LOG=trace anchor init example --javascript --no-install --no-git --package-manager yarn
+        mv example/.* example/* .
+        rm -rf example
+      '';
 in
 stdenv.mkDerivation {
+  # Disable sandboxing
+  # this is for CI live test check and we want to make sure
+  # anchor init and build work when ran by a user
+  __noChroot = true;
   pname = "anchor-test";
   inherit src;
   version = "1.0.0";
 
   doCheck = false;
 
-  nativeBuildInputs = [ anchor-cli ];
+  nativeBuildInputs = [
+    anchor-cli
+    solana-cli
+    nodejs
+    yarn
+    solana-rust
+    cacert 
+  ];
 
   buildPhase = ''
+    export HOME=$(mktemp -d)
+    yarn install
+    solana-keygen new --no-bip39-passphrase
     anchor build
     anchor test
   '';
+
+  # Write an output so its cached
   installPhase = ''
     echo ok > $out
   '';
 
   meta = {
-    description = "Anchor build testing";
+    description = "Anchor build testing of a new project initialised";
   };
 }

flake.nix

@@ -54,7 +54,7 @@
             crane = crane.mkLib pkgs;
           };
           anchor-test = pkgs.callPackage ./anchor-test.nix {
-            inherit anchor-cli;
+            inherit anchor-cli solana-cli solana-rust;
           };
         in
         {