test: add integration test for #235

flake.nix

@@ -174,6 +174,13 @@
               inherit self;
             });
 
+          tests-integration.type = "app";
+          tests-integration.program =
+            b.toString
+            (dream2nixFor."${system}".callPackageDream ./tests/integration {
+              inherit self;
+            });
+
           tests-examples.type = "app";
           tests-examples.program =
             b.toString
@@ -201,6 +208,9 @@
                 echo "running unit tests"
                 ${self.apps.${system}.tests-unit.program}
 
+                echo "running integration tests"
+                ${self.apps.${system}.tests-integration.program}
+
                 echo "checking flakes under ./examples"
                 ${self.apps.${system}.tests-examples.program}
 

tests/integration/default.nix

@@ -0,0 +1,52 @@
+{
+  self,
+  lib,
+  async,
+  bash,
+  coreutils,
+  git,
+  parallel,
+  nix,
+  utils,
+  dream2nixWithExternals,
+  ...
+}: let
+  l = lib // builtins;
+  tests = ./tests;
+  testScript =
+    utils.writePureShellScript
+    [
+      async
+      bash
+      coreutils
+      git
+      nix
+    ]
+    ''
+      dir=$1
+      shift
+      echo -e "\nrunning test $dir"
+      cp -r ${tests}/$dir/* .
+      chmod -R +w .
+      nix flake lock --override-input dream2nix ${../../.}
+      nix run .#resolveImpure || echo "no resolveImpure probably?"
+      nix eval --read-only --no-allow-import-from-derivation .#default.name
+      nix build
+      nix flake check "$@"
+    '';
+in
+  utils.writePureShellScript
+  [
+    coreutils
+    parallel
+  ]
+  ''
+    if [ -z ''${1+x} ]; then
+      parallel --halt now,fail=1 -j$(nproc) -a <(ls ${tests}) ${testScript}
+    else
+      arg1=$1
+      shift
+      ${testScript} $arg1 "$@"
+    fi
+    echo "done running integration tests"
+  ''

tests/integration/tests/.gitignore

@@ -0,0 +1 @@
+flake.lock

tests/integration/tests/nodejs_built-binary/flake.nix

@@ -0,0 +1,14 @@
+{
+  inputs = {
+    dream2nix.url = "github:nix-community/dream2nix";
+  };
+
+  outputs = {
+    self,
+    dream2nix,
+  }: (dream2nix.lib.makeFlakeOutputs {
+    systems = ["x86_64-linux"];
+    config.projectRoot = ./.;
+    source = ./.;
+  });
+}

tests/integration/tests/nodejs_built-binary/package.json

@@ -0,0 +1,10 @@
+{
+  "name": "test-built-binary",
+  "version": "1.0.0",
+  "bin": {
+    "main": "./main.js"
+  },
+  "scripts": {
+    "build": "touch main.js"
+  }
+}