[Rust Server] Generate operations where tags require sanitization (#12996)

* [Rust Server] Render operations for sanitized tags

* [Rust Server] Add test for sanitized tags

* Update samples

Co-authored-by: Richard Whitehouse <richard.whitehouse@metaswitch.com>

modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/RustServerCodegen.java

@@ -1110,9 +1110,12 @@ public class RustServerCodegen extends DefaultCodegen implements CodegenConfig {
     public void addOperationToGroup(String tag, String resourcePath, Operation operation, CodegenOperation
             co, Map<String, List<CodegenOperation>> operations) {
         // only generate operation for the first tag of the tags
-        if (tag != null && co.tags.size() > 1 && !tag.equals(co.tags.get(0).getName())) {
-            LOGGER.info("generated skip additional tag `{}` with operationId={}", tag, co.operationId);
-            return;
+        if (tag != null && co.tags.size() > 1) {
+            String expectedTag = sanitizeTag(co.tags.get(0).getName());
+            if (!tag.equals(expectedTag)) {
+                LOGGER.info("generated skip additional tag `{}` with operationId={}", tag, co.operationId);
+                return;
+            }
         }
         super.addOperationToGroup(tag, resourcePath, operation, co, operations);
     }

modules/openapi-generator/src/test/resources/3_0/rust-server/openapi-v3.yaml

@@ -365,7 +365,7 @@ paths:
           type: string
         required: true
     get:
-      tags: [Repo, Info]
+      tags: [repo, Info]
       operationId: GetRepoInfo
       responses:
         "200":

samples/server/petstore/rust-server/output/openapi-v3/api/openapi.yaml

@@ -390,7 +390,7 @@ paths:
                 $ref: '#/components/schemas/StringObject'
           description: OK
       tags:
-      - Repo
+      - repo
       - Info
   /repos:
     post: