lib/dry/swagger/struct_parser.rb in dry-swagger-0.4.2 vs lib/dry/swagger/struct_parser.rb in dry-swagger-0.5.0

@@ -13,11 +13,11 @@
 
       attr_reader :keys
 
       def initialize
         @keys = {}
-        @config = Config::StructConfiguration
+        @config = Dry::Swagger::Config::StructConfiguration
       end
 
       def to_h
         { keys: keys }
       end
@@ -52,16 +52,22 @@
 
         target_info =  target.to_h if opts[:member]
 
         type = opts[:array]? 'array' : 'hash'
 
-        keys[key] = {
+        definition = {
             type: type,
             required: required,
             @config.nullable_type => nullable,
             **target_info
         }
+
+        if opts[:oneOf]
+          keys[key] = keys[key] ? keys[key] << definition : [definition]
+        else
+          keys[key] = definition
+        end
       end
 
       def visit_key(node, opts = {})
         name, required, rest = node
         opts[:key] = name
@@ -111,11 +117,13 @@
 
       def visit_sum(node, opts = {})
         if node[0][0].equal?(:constrained)
           opts[:nullable] = true
           visit(node[1], opts) # ignore NilClass constrained
-        elsif node[0][0].equal?(:struct)
-          visit(node[0], opts) # grab left operand, this means if you have it defined as DTO1 | DTO2, it will grab DTO1
+        elsif node[0][0].equal?(:struct) && node[1][0].equal?(:struct)
+          opts[:oneOf] = true
+          visit(node[0], opts)
+          visit(node[1], opts)
         end
       end
 
       def visit_struct(node, opts = {})
         opts[:member] = true
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