lib/soaspec/exchange.rb in soaspec-0.0.63 vs lib/soaspec/exchange.rb in soaspec-0.0.64

@@ -31,19 +31,29 @@
     @api_class ||= Soaspec.api_handler # This uses the global parameter. The handler should be set straight before an exchange is made
     @override_parameters = override_parameters
     @retry_for_success = false
     self.retry_count = 3
     @api_class.elements.each do |element|
-      define_singleton_method(element.to_s.split('__custom_path_').last) do
+      element_name = element.to_s.split('__custom_path_').last
+      define_singleton_method(element_name) do
         @api_class.__send__(element, response) # Forward the call onto handler to retrieve the element for the response
       end
+      define_singleton_method("#{element_name}?") do
+        begin
+          __send__ element_name
+          true
+        rescue NoElementAtPath
+          false
+        end
+      end
     end
   end
 
   # Merge exchange initialized request params with ones set later on
   def merge_request_body
-    if @override_parameters[:body]
+    if @override_parameters[:body] || default_params[:body]
+      @override_parameters[:body] ||= {}
       @override_parameters[:body].merge!(default_params[:body])
       @override_parameters
     else
       @override_parameters.merge(default_params[:body])
     end
@@ -109,9 +119,17 @@
     true
   rescue Savon::HTTPError
     puts 'Resolver error'
     # This seems to occur first time IP address asks for WSDL
     true
+  end
+
+  # @return [Boolean] Whether an element exists at the path
+  def element?(path)
+    [path]
+    true
+  rescue NoElementAtPath
+    false
   end
 
   # Extract value from path api class
   # @param [Object] path Path to return element for api class E.g - for SOAP this is XPath string. For JSON, this is Hash dig Array
   # @return [String] Value at path
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