fix(stackable-versioned): Emit correct match arms for version enum (#1065)

* fix(stackable-versioned): Generate correct match arms for as_str function

* fix(stackable-versioned): Fully qualify variants in other match arms

* test(stackable-versioned): Add integration test for merged_crd

* chore(stackable-versioned): Add changelog entry

* test(stackable-versioned): Improve merged_crd integration test

* test(stackable-versioned): Simplify merged_crd test

Author: Techassi

crates/stackable-versioned-macros/src/codegen/container/struct/k8s.rs

@@ -280,19 +280,19 @@ impl Struct {
             impl #enum_ident {
                 pub fn as_version_str(&self) -> &str {
                     match self {
-                        #(#variant_idents => #variant_strings),*
+                        #(#enum_ident::#variant_idents => #variant_strings),*
                     }
                 }
 
                 pub fn as_api_version_str(&self) -> &str {
                     match self {
-                        #(#variant_idents => #api_versions),*
+                        #(#enum_ident::#variant_idents => #api_versions),*
                     }
                 }
 
                 pub fn from_api_version(api_version: &str) -> Result<Self, #unknown_desired_api_version_error> {
                     match api_version {
-                        #(#api_versions => Ok(Self::#variant_idents)),*,
+                        #(#api_versions => Ok(#enum_ident::#variant_idents)),*,
                         _ => Err(#unknown_desired_api_version_error {
                             api_version: api_version.to_owned(),
                         }),

crates/stackable-versioned-macros/tests/snapshots/stackable_versioned_macros__snapshot_tests__k8s@basic.rs.snap

@@ -32,6 +32,7 @@ All notable changes to this project will be documented in this file.
 
 ### Fixed
 
+- Fix incorrectly generated match arms for the version enum ([#1065]).
 - Fix regression introduced in [#1033]. The `#[kube(status = ...)]` attribute is generated correctly
   again ([#1046]).
 - Correctly handle fields added in later versions ([#1031]).
@@ -55,6 +56,7 @@ All notable changes to this project will be documented in this file.
 [#1050]: https://github.com/stackabletech/operator-rs/pull/1050
 [#1059]: https://github.com/stackabletech/operator-rs/pull/1059
 [#1061]: https://github.com/stackabletech/operator-rs/pull/1061
+[#1065]: https://github.com/stackabletech/operator-rs/pull/1065
 
 ## [0.7.1] - 2025-04-02