nixos/modules/jenkins: Test the CLI

Signed-off-by: Pamplemousse <xav.maso@gmail.com>
(cherry picked from commit 4f093b8fdb3e6b7102ad99089712beca2ae49abb)

nixos/tests/jenkins-cli.nix

@@ -0,0 +1,30 @@
+import ./make-test-python.nix ({ pkgs, ...} : rec {
+  name = "jenkins-cli";
+  meta = with pkgs.lib.maintainers; {
+    maintainers = [ pamplemousse ];
+  };
+
+  nodes = {
+    machine =
+      { ... }:
+      {
+        services.jenkins = {
+          enable = true;
+          withCLI = true;
+        };
+      };
+  };
+
+  testScript = ''
+    start_all()
+
+    machine.wait_for_unit("jenkins")
+
+    assert "JENKINS_URL" in machine.succeed("env")
+    assert "http://0.0.0.0:8080" in machine.succeed("echo $JENKINS_URL")
+
+    machine.succeed(
+        "jenkins-cli -auth admin:$(cat /var/lib/jenkins/secrets/initialAdminPassword)"
+    )
+  '';
+})