Merge pull request #3110 from tadeusz-niemiec/update_union_type_generator

Update union type generator

Author: Robert Mosolgo

lib/generators/graphql/templates/union.erb

@@ -1,7 +1,7 @@
 <% module_namespacing_when_supported do -%>
 module Types
   class <%= type_ruby_name.split('::')[-1] %> < Types::BaseUnion
-<% if possible_types.any? %>    possible_types [<%= normalized_possible_types.join(", ") %>]
+<% if possible_types.any? %>    possible_types <%= normalized_possible_types.join(", ") %>
 <% end %>  end
 end
 <% end -%>

spec/integration/rails/generators/graphql/union_generator_spec.rb

@@ -16,7 +16,7 @@ class GraphQLGeneratorsUnionGeneratorTest < BaseGeneratorTest
     expected_content = <<-RUBY
 module Types
   class WingedCreatureType < Types::BaseUnion
-    possible_types [Types::InsectType, Types::BirdType]
+    possible_types Types::InsectType, Types::BirdType
   end
 end
 RUBY