push sheeet

pkgs/test/dotnet/structured-attrs/default.nix

@@ -0,0 +1,39 @@
+{
+  lib,
+  dotnet-sdk,
+  buildPackages, # buildDotnetModule
+  testers,
+  runCommand,
+}:
+let
+  # Note: without structured attributes, we can’t use derivation arguments that
+  # contain spaces unambiguously because arguments are passed as space-separated
+  # environment variables.
+  copyrightString = "Public domain 🅮";
+
+  inherit (buildPackages) buildDotnetModule;
+
+  app = buildDotnetModule {
+    name = "structured-attrs-test-application";
+    src = ./src;
+    nugetDeps = ./nuget-deps.json;
+    dotnetFlags = [ "--property:Copyright=${copyrightString}" ];
+    env.TargetFramework = "net${lib.versions.majorMinor (lib.getVersion dotnet-sdk)}";
+    __structuredAttrs = true;
+  };
+in
+{
+  no-structured-attrs = testers.testBuildFailure (
+    app.overrideAttrs {
+      __structuredAttrs = false;
+    }
+  );
+
+  check-output = testers.testEqualContents {
+    assertion = "buildDotnetModule sets AssemblyCopyrightAttribute with structured attributes";
+    expected = builtins.toFile "expected-copyright.txt" copyrightString;
+    actual = runCommand "dotnet-structured-attrs-test" { } ''
+      ${app}/bin/Application >"$out"
+    '';
+  };
+}