qovery-cli: add version test and shell completion

pkgs/tools/admin/qovery-cli/default.nix

@@ -1,6 +1,9 @@
-{ lib
-, buildGoModule
+{ buildGoModule
 , fetchFromGitHub
+, installShellFiles
+, lib
+, qovery-cli
+, testers
 }:
 
 buildGoModule rec {
@@ -16,6 +19,20 @@ buildGoModule rec {
 
   vendorSha256 = "sha256-4TY7/prMbvw5zVPJRoMLg7Omrxvh1HPGsdz1wqPn4uU=";
 
+  nativeBuildInputs = [ installShellFiles ];
+
+  postInstall = ''
+    installShellCompletion --cmd ${pname} \
+      --bash <($out/bin/${pname} completion bash) \
+      --fish <($out/bin/${pname} completion fish) \
+      --zsh <($out/bin/${pname} completion zsh)
+  '';
+
+  passthru.tests.version = testers.testVersion {
+    package = qovery-cli;
+    command = "HOME=$(mktemp -d); ${pname} version";
+  };
+
   meta = with lib; {
     description = "Qovery Command Line Interface";
     homepage = "https://github.com/Qovery/qovery-cli";