Ruby client: handle empty/reserved operation id

by using a normalized one instead of throwing errors

modules/swagger-codegen/src/main/java/io/swagger/codegen/languages/RubyClientCodegen.java

@@ -38,6 +38,7 @@ public class RubyClientCodegen extends DefaultCodegen implements CodegenConfig {
     protected String gemAuthor = "";
     protected String gemAuthorEmail = "";
 
+    protected static int emptyMethodNameCounter = 0;
 
     public RubyClientCodegen() {
         super();
@@ -409,14 +410,18 @@ public class RubyClientCodegen extends DefaultCodegen implements CodegenConfig {
 
     @Override
     public String toOperationId(String operationId) {
-        // throw exception if method name is empty
+        // rename to empty_method_name_1 (e.g.) if method name is empty
         if (StringUtils.isEmpty(operationId)) {
-            throw new RuntimeException("Empty method name (operationId) not allowed");
+            operationId = underscore("empty_method_name_" + emptyMethodNameCounter++);
+            LOGGER.warn("Empty method name (operationId) found. Renamed to " + operationId);
+            return operationId;
         }
 
         // method name cannot use reserved keyword, e.g. return
         if (reservedWords.contains(operationId)) {
-            throw new RuntimeException(operationId + " (reserved word) cannot be used as method name");
+            String newOperationId = underscore("call_" + operationId);
+            LOGGER.warn(operationId + " (reserved word) cannot be used as method name. Renamed to " + newOperationId);
+            return newOperationId;
         }
 
         return underscore(sanitizeName(operationId));

samples/client/petstore/ruby/lib/petstore/api/pet_api.rb

@@ -506,29 +506,29 @@ module Petstore
 
     # Fake endpoint to test byte array return by 'Find pet by ID'
     # Returns a pet when ID < 10.  ID > 10 or nonintegers will simulate API error conditions
-    # @param pet_id ID of pet that needs to be fetched
+    # @param package ID of pet that needs to be fetched
     # @param [Hash] opts the optional parameters
     # @return [String]
-    def get_pet_by_id_with_byte_array(pet_id, opts = {})
-      data, status_code, headers = get_pet_by_id_with_byte_array_with_http_info(pet_id, opts)
+    def pet_pet_idtesting_byte_arraytrue_get(package, opts = {})
+      data, status_code, headers = pet_pet_idtesting_byte_arraytrue_get_with_http_info(package, opts)
       return data
     end
 
     # Fake endpoint to test byte array return by 'Find pet by ID'
     # Returns a pet when ID < 10.  ID > 10 or nonintegers will simulate API error conditions
-    # @param pet_id ID of pet that needs to be fetched
+    # @param package ID of pet that needs to be fetched
     # @param [Hash] opts the optional parameters
     # @return [Array<(String, Fixnum, Hash)>] String data, response status code and response headers
-    def get_pet_by_id_with_byte_array_with_http_info(pet_id, opts = {})
+    def pet_pet_idtesting_byte_arraytrue_get_with_http_info(package, opts = {})
       if @api_client.config.debugging
-        @api_client.config.logger.debug "Calling API: PetApi#get_pet_by_id_with_byte_array ..."
+        @api_client.config.logger.debug "Calling API: PetApi#pet_pet_idtesting_byte_arraytrue_get ..."
       end
       
-      # verify the required parameter 'pet_id' is set
-      fail "Missing the required parameter 'pet_id' when calling get_pet_by_id_with_byte_array" if pet_id.nil?
+      # verify the required parameter 'package' is set
+      fail "Missing the required parameter 'package' when calling pet_pet_idtesting_byte_arraytrue_get" if package.nil?
       
       # resource path
-      path = "/pet/{petId}?testing_byte_array=true".sub('{format}','json').sub('{' + 'petId' + '}', pet_id.to_s)
+      path = "/pet/{petId}?testing_byte_array=true".sub('{format}','json').sub('{' + 'package' + '}', package.to_s)
 
       # query parameters
       query_params = {}
@@ -559,7 +559,7 @@ module Petstore
         :auth_names => auth_names,
         :return_type => 'String')
       if @api_client.config.debugging
-        @api_client.config.logger.debug "API called: PetApi#get_pet_by_id_with_byte_array\nData: #{data.inspect}\nStatus code: #{status_code}\nHeaders: #{headers}"
+        @api_client.config.logger.debug "API called: PetApi#pet_pet_idtesting_byte_arraytrue_get\nData: #{data.inspect}\nStatus code: #{status_code}\nHeaders: #{headers}"
       end
       return data, status_code, headers
     end

samples/client/petstore/ruby/spec/api/PetApi_spec.rb

@@ -169,13 +169,13 @@ describe 'PetApi' do
     end
   end
 
-  # unit tests for get_pet_by_id_with_byte_array
+  # unit tests for pet_pet_idtesting_byte_arraytrue_get
   # Fake endpoint to test byte array return by 'Find pet by ID'
   # Returns a pet when ID < 10.  ID > 10 or nonintegers will simulate API error conditions
-  # @param pet_id ID of pet that needs to be fetched
+  # @param package ID of pet that needs to be fetched
   # @param [Hash] opts the optional parameters
   # @return [String]
-  describe 'get_pet_by_id_with_byte_array test' do
+  describe 'pet_pet_idtesting_byte_arraytrue_get test' do
     it "should work" do
       # assertion here
       # should be_a()