test: Update basic Kubernetes snapshot test

Author: Techassi

crates/stackable-versioned-macros/fixtures/snapshots/stackable_versioned_macros__test__k8s_snapshots.snap renamed to crates/stackable-versioned-macros/fixtures/snapshots/[email protected]

@@ -302,6 +302,9 @@ impl Struct {
         let automatically_derived = is_nested.not().then(|| quote! {#[automatically_derived]});
 
         // TODO (@Techassi): Use proper visibility instead of hard-coding 'pub'
+        // TODO (@Techassi): Move the YAML printing code into 'stackable-versioned' so that we don't
+        // have any cross-dependencies and the macro can be used on it's own (K8s features of course
+        // still need kube and friends).
         Some(quote! {
             #automatically_derived
             pub enum #enum_ident {
@@ -325,6 +328,45 @@ impl Struct {
                 ) -> ::std::result::Result<::k8s_openapi::apiextensions_apiserver::pkg::apis::apiextensions::v1::CustomResourceDefinition, ::kube::core::crd::MergeError> {
                     ::kube::core::crd::merge_crds(vec![#(#fn_calls),*], &stored_apiversion.to_string())
                 }
+
+                /// Generates and writes a merged CRD which contains all versions defined using the `#[versioned()]`
+                /// macro to a file located at `path`.
+                pub fn write_merged_crd<P>(path: P, stored_apiversion: Self, operator_version: &str) -> Result<(), ::stackable_versioned::Error>
+                    where P: AsRef<::std::path::Path>
+                {
+                    use ::stackable_shared::yaml::{YamlSchema, SerializeOptions};
+
+                    let merged_crd = Self::merged_crd(stored_apiversion).map_err(|err| ::stackable_versioned::Error::MergeCrd {
+                        source: err,
+                    })?;
+
+                    YamlSchema::write_yaml_schema(
+                        &merged_crd,
+                        path,
+                        operator_version,
+                        SerializeOptions::default()
+                    ).map_err(|err| ::stackable_versioned::Error::SerializeYaml {
+                        source: err,
+                    })
+                }
+
+                /// Generates and writes a merged CRD which contains all versions defined using the `#[versioned()]`
+                /// macro to stdout.
+                pub fn print_merged_crd(stored_apiversion: Self, operator_version: &str) -> Result<(), ::stackable_versioned::Error> {
+                    use ::stackable_shared::yaml::{YamlSchema, SerializeOptions};
+
+                    let merged_crd = Self::merged_crd(stored_apiversion).map_err(|err| ::stackable_versioned::Error::MergeCrd {
+                        source: err,
+                    })?;
+
+                    YamlSchema::print_yaml_schema(
+                        &merged_crd,
+                        operator_version,
+                        SerializeOptions::default()
+                    ).map_err(|err| ::stackable_versioned::Error::SerializeYaml {
+                        source: err,
+                    })
+                }
             }
         })
     }