diff --git a/nixos/tests/all-tests.nix b/nixos/tests/all-tests.nix
index 7aa2dbdbdaf5..2a251331675a 100644
--- a/nixos/tests/all-tests.nix
+++ b/nixos/tests/all-tests.nix
@@ -1073,6 +1073,7 @@ in
   open-web-calendar = runTest ./web-apps/open-web-calendar.nix;
   ocsinventory-agent = handleTestOn [ "x86_64-linux" "aarch64-linux" ] ./ocsinventory-agent.nix { };
   orthanc = runTest ./orthanc.nix;
+  owi = runTest ./owi.nix;
   owncast = runTest ./owncast.nix;
   outline = runTest ./outline.nix;
   i18n = runTest ./i18n.nix;
diff --git a/nixos/tests/owi.nix b/nixos/tests/owi.nix
new file mode 100644
index 000000000000..74e9d2d394fd
--- /dev/null
+++ b/nixos/tests/owi.nix
@@ -0,0 +1,61 @@
+{
+  lib,
+  pkgs,
+  ...
+}:
+{
+  name = "owi";
+
+  meta.maintainers = with lib.maintainers; [ ethancedwards8 ];
+
+  nodes.machine = {
+    environment.systemPackages = with pkgs; [ owi ];
+
+    environment.etc."owipass.rs".source = pkgs.writeText "owi.rs" ''
+      use owi_sym::Symbolic;
+
+      fn mean_one(x: i32, y: i32) -> i32 {
+          (x + y)/2
+      }
+
+      fn mean_two(x: i32, y: i32) -> i32 {
+          (y + x)/2
+      }
+
+      fn main() {
+          let x = i32::symbol();
+          let y = i32::symbol();
+          // proving the commutative property of addition!
+          owi_sym::assert(mean_one(x, y) == mean_two(x, y))
+      }
+    '';
+
+    environment.etc."owifail.rs".source = pkgs.writeText "owi.rs" ''
+      use owi_sym::Symbolic;
+
+      fn mean_wrong(x: i32, y: i32) -> i32 {
+          (x + y) / 2
+      }
+
+      fn mean_correct(x: i32, y: i32) -> i32 {
+          (x & y) + ((x ^ y) >> 1)
+      }
+
+      fn main() {
+          let x = i32::symbol();
+          let y = i32::symbol();
+          owi_sym::assert(mean_wrong(x, y) == mean_correct(x, y))
+      }
+    '';
+  };
+
+  testScript =
+    { nodes, ... }:
+    ''
+      start_all()
+
+      # testing
+      machine.succeed("owi rust --fail-on-assertion-only /etc/owipass.rs")
+      machine.fail("owi rust --fail-on-assertion-only /etc/owifail.rs")
+    '';
+}
diff --git a/pkgs/by-name/ow/owi/package.nix b/pkgs/by-name/ow/owi/package.nix
index 18ce88812f6e..9462b2fbde61 100644
--- a/pkgs/by-name/ow/owi/package.nix
+++ b/pkgs/by-name/ow/owi/package.nix
@@ -7,6 +7,7 @@
   zig,
   makeWrapper,
   unstableGitUpdater,
+  nixosTests,
 }:
 
 let
@@ -75,7 +76,10 @@ ocamlPackages.buildDunePackage rec {
 
   doCheck = false;
 
-  passthru.updateScript = unstableGitUpdater { };
+  passthru = {
+    updateScript = unstableGitUpdater { };
+    tests = { inherit (nixosTests) owi; };
+  };
 
   meta = {
     description = "Symbolic execution for Wasm, C, C++, Rust and Zig";