From 9d1bd7016c5321eaa3135da107415408e35d60af Mon Sep 17 00:00:00 2001
From: Ihar Hrachyshka <ihar.hrachyshka@gmail.com>
Date: Sun, 21 Jun 2026 23:09:46 -1000
Subject: [PATCH] kubernetes-helmPlugins.helm-unittest: add smoke passthru test

Assisted-by: gpt-5.5 xhigh
---
 .../cluster/helm/plugins/helm-unittest.nix    | 28 +++++++++++++++++--
 .../tests/helm-unittest/smoke/Chart.yaml      |  3 ++
 .../smoke/templates/configmap.yaml            |  6 ++++
 .../smoke/tests/configmap_test.yaml           | 11 ++++++++
 4 files changed, 46 insertions(+), 2 deletions(-)
 create mode 100644 pkgs/applications/networking/cluster/helm/plugins/tests/helm-unittest/smoke/Chart.yaml
 create mode 100644 pkgs/applications/networking/cluster/helm/plugins/tests/helm-unittest/smoke/templates/configmap.yaml
 create mode 100644 pkgs/applications/networking/cluster/helm/plugins/tests/helm-unittest/smoke/tests/configmap_test.yaml

diff --git a/pkgs/applications/networking/cluster/helm/plugins/helm-unittest.nix b/pkgs/applications/networking/cluster/helm/plugins/helm-unittest.nix
index 983890fbc3c0..08d653227f02 100644
--- a/pkgs/applications/networking/cluster/helm/plugins/helm-unittest.nix
+++ b/pkgs/applications/networking/cluster/helm/plugins/helm-unittest.nix
@@ -1,14 +1,18 @@
 {
   buildGoModule,
   fetchFromGitHub,
+  kubernetes-helm,
   lib,
   nix-update-script,
+  runCommand,
+  wrapHelm,
+  writableTmpDirAsHomeHook,
 }:
 
 let
   version = "1.1.1";
 in
-buildGoModule {
+buildGoModule (finalAttrs: {
   pname = "helm-unittest";
   inherit version;
 
@@ -46,6 +50,26 @@ buildGoModule {
   '';
 
   passthru = {
+    tests.smoke =
+      let
+        helm = wrapHelm kubernetes-helm {
+          plugins = [ finalAttrs.finalPackage ];
+        };
+      in
+      runCommand "helm-unittest-plugin-smoke"
+        {
+          nativeBuildInputs = [
+            helm
+            writableTmpDirAsHomeHook
+          ];
+        }
+        ''
+          cp -r ${./tests/helm-unittest/smoke} chart
+          chmod -R u+w chart
+          helm unittest chart
+          touch $out
+        '';
+
     updateScript = nix-update-script { };
   };
 
@@ -58,4 +82,4 @@ buildGoModule {
       yurrriq
     ];
   };
-}
+})
diff --git a/pkgs/applications/networking/cluster/helm/plugins/tests/helm-unittest/smoke/Chart.yaml b/pkgs/applications/networking/cluster/helm/plugins/tests/helm-unittest/smoke/Chart.yaml
new file mode 100644
index 000000000000..fe0d4f805044
--- /dev/null
+++ b/pkgs/applications/networking/cluster/helm/plugins/tests/helm-unittest/smoke/Chart.yaml
@@ -0,0 +1,3 @@
+apiVersion: v2
+name: smoke
+version: 0.1.0
diff --git a/pkgs/applications/networking/cluster/helm/plugins/tests/helm-unittest/smoke/templates/configmap.yaml b/pkgs/applications/networking/cluster/helm/plugins/tests/helm-unittest/smoke/templates/configmap.yaml
new file mode 100644
index 000000000000..25dff3db6797
--- /dev/null
+++ b/pkgs/applications/networking/cluster/helm/plugins/tests/helm-unittest/smoke/templates/configmap.yaml
@@ -0,0 +1,6 @@
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: "{{ .Release.Name }}-smoke"
+data:
+  value: "{{ .Values.value }}"
diff --git a/pkgs/applications/networking/cluster/helm/plugins/tests/helm-unittest/smoke/tests/configmap_test.yaml b/pkgs/applications/networking/cluster/helm/plugins/tests/helm-unittest/smoke/tests/configmap_test.yaml
new file mode 100644
index 000000000000..ce6b1ac74dec
--- /dev/null
+++ b/pkgs/applications/networking/cluster/helm/plugins/tests/helm-unittest/smoke/tests/configmap_test.yaml
@@ -0,0 +1,11 @@
+suite: configmap
+templates:
+  - templates/configmap.yaml
+tests:
+  - it: renders the configured value
+    set:
+      value: ok
+    asserts:
+      - equal:
+          path: data.value
+          value: ok