Add flake-parts-lib.importAndPublish

dev/tests/eval-tests.nix

@@ -169,6 +169,22 @@ rec {
       partitionedAttrs.devShells = "dev";
     });
 
+  dogfoodProvider = mkFlake
+    { inputs.self = { }; }
+    ({ flake-parts-lib, ... }: {
+      imports = [
+        (flake-parts-lib.importAndPublish "dogfood" { flake.marker = "dogfood"; })
+      ];
+    });
+
+  dogfoodConsumer = mkFlake
+    { inputs.self = { }; }
+    ({ flake-parts-lib, ... }: {
+      imports = [
+        dogfoodProvider.modules.flake.dogfood
+      ];
+    });
+
   runTests = ok:
 
     assert empty == {
@@ -255,6 +271,9 @@ rec {
 
     assert builtins.isAttrs partitionWithoutExtraInputsFlake.devShells.x86_64-linux;
 
+    assert dogfoodProvider.marker == "dogfood";
+    assert dogfoodConsumer.marker == "dogfood";
+
     ok;
 
   result = runTests "ok";