java code formatting and added a fake-endpoint parameter test

Author: ix-xMAC94x

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

@@ -608,18 +608,18 @@ public void postProcessModelProperty(CodegenModel model, CodegenProperty propert
     public void postProcessParameter(CodegenParameter parameter) {
         super.postProcessParameter(parameter);
         // in order to avoid name conflicts, we map parameters inside the functions
-        String in_function_identifier = "";
+        String inFunctionIdentifier = "";
         if (this.useSingleRequestParameter) {
-            in_function_identifier = "params." + parameter.paramName;
+            inFunctionIdentifier = "params." + parameter.paramName;
         } else {
             if (parameter.paramName.startsWith("r#")) {
-                in_function_identifier = "p_" + parameter.paramName.substring(2);
+                inFunctionIdentifier = "p_" + parameter.paramName.substring(2);
             } else {
-                in_function_identifier = "p_" + parameter.paramName;
+                inFunctionIdentifier = "p_" + parameter.paramName;
             }
         }
         if (!parameter.vendorExtensions.containsKey(this.VENDOR_EXTENSION_PARAM_IDENTIFIER)) { // allow to overwrite this value
-            parameter.vendorExtensions.put(this.VENDOR_EXTENSION_PARAM_IDENTIFIER, in_function_identifier);
+            parameter.vendorExtensions.put(this.VENDOR_EXTENSION_PARAM_IDENTIFIER, inFunctionIdentifier);
         }
     }
 

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

@@ -608,6 +608,11 @@ paths:
           description: To test parameter names in upper case
           schema:
             type: string
+        - name: content
+          in: query
+          description: To test escaping of parameters in rust code works
+          schema:
+            type: string
       responses:
         '200':
           description: successful operation

samples/client/petstore/rust/hyper/petstore/tests/thread_test.rs

@@ -9,7 +9,9 @@ mod tests {
         let client = APIClient::new(Configuration::new());
 
         let handle = thread::spawn(move || {
-            let _ = client.fake_api().test_nullable_required_param("username", None, None);
+            let _ = client
+                .fake_api()
+                .test_nullable_required_param("username", None, None, None);
         });
 
         handle.join().expect("Thread panicked!");