1 files changed, 85 insertions, 0 deletions
diff --git a/users/Profpatsch/writers/tests.nix b/users/Profpatsch/writers/tests.nix
new file mode 100644
index 000000000000..680c37a2ec02
--- /dev/null
+++ b/users/Profpatsch/writers/tests.nix
@@ -0,0 +1,85 @@
+{ depot, pkgs, python3, python3Lib, rustSimpleLib, rustSimple, testRustSimple }:
+
+let
+  run = drv: depot.nix.runExecline.local "run-${drv.name}" {} [
+    "if" [ drv ]
+    "importas" "out" "out"
+    "${pkgs.coreutils}/bin/touch" "$out"
+  ];
+
+  pythonTransitiveLib = python3Lib {
+    name = "transitive";
+  } ''
+    def transitive(s):
+      return s + " 1 2 3"
+  '';
+
+  pythonTestLib = python3Lib {
+    name = "test_lib";
+    libraries = _: [ pythonTransitiveLib ];
+  } ''
+    import transitive
+    def test():
+      return transitive.transitive("test")
+  '';
+
+  pythonWithLib = run (python3 {
+    name = "python-with-lib";
+    libraries = _: [ pythonTestLib ];
+  } ''
+    import test_lib
+
+    assert(test_lib.test() == "test 1 2 3")
+  '');
+
+
+  rustTransitiveLib = testRustSimple (rustSimpleLib {
+    name = "transitive";
+  } ''
+    pub fn transitive(s: &str) -> String {
+      let mut new = s.to_string();
+      new.push_str(" 1 2 3");
+      new
+    }
+
+    #[cfg(test)]
+    mod tests {
+      use super::*;
+
+      #[test]
+      fn test_transitive() {
+        assert_eq!(transitive("foo").as_str(), "foo 1 2 3")
+      }
+    }
+  '');
+
+  rustTestLib = rustSimpleLib {
+    name = "test_lib";
+    dependencies = [ rustTransitiveLib ];
+  } ''
+    extern crate transitive;
+    use transitive::{transitive};
+    pub fn test() -> String {
+      transitive("test")
+    }
+  '';
+
+  rustWithLib = run (rustSimple {
+    name = "rust-with-lib";
+    dependencies = [ rustTestLib ];
+  } ''
+    extern crate test_lib;
+
+    fn main() {
+      assert_eq!(test_lib::test(), String::from("test 1 2 3"));
+    }
+  '');
+
+
+in {
+  inherit
+    pythonWithLib
+    rustTransitiveLib
+    rustWithLib
+    ;
+}