faliing_example.rb

Failures:

  1) Daru::DataFrame#summary produces a summary of data frame
     Failure/Error:
       tuple.flatten.each_with_index
            .all? { |tup, i| @levels[i][tup] }
     
     NoMethodError:
       undefined method `flatten' for :report_building_text:Symbol
     # ./lib/daru/index.rb:501:in `include?'
     # ./lib/daru/dataframe.rb:1014:in `has_vector?'
     # ./lib/daru/dataframe.rb:1825:in `respond_to_missing?'
     # /usr/local/rvm/gems/ruby-2.3.0/gems/reportbuilder-1.4.2/lib/reportbuilder/builder.rb:72:in `respond_to?'
     # /usr/local/rvm/gems/ruby-2.3.0/gems/reportbuilder-1.4.2/lib/reportbuilder/builder.rb:72:in `block in parse_element'
     # /usr/local/rvm/gems/ruby-2.3.0/gems/reportbuilder-1.4.2/lib/reportbuilder/builder.rb:72:in `each'
     # /usr/local/rvm/gems/ruby-2.3.0/gems/reportbuilder-1.4.2/lib/reportbuilder/builder.rb:72:in `find'
     # /usr/local/rvm/gems/ruby-2.3.0/gems/reportbuilder-1.4.2/lib/reportbuilder/builder.rb:72:in `parse_element'
     # /usr/local/rvm/gems/ruby-2.3.0/gems/reportbuilder-1.4.2/lib/reportbuilder/builder.rb:56:in `block in parse_cycle'
     # /usr/local/rvm/gems/ruby-2.3.0/gems/reportbuilder-1.4.2/lib/reportbuilder/builder.rb:55:in `each'
     # /usr/local/rvm/gems/ruby-2.3.0/gems/reportbuilder-1.4.2/lib/reportbuilder/builder.rb:55:in `parse_cycle'
     # /usr/local/rvm/gems/ruby-2.3.0/gems/reportbuilder-1.4.2/lib/reportbuilder/builder/text.rb:17:in `parse'
     # /usr/local/rvm/gems/ruby-2.3.0/gems/reportbuilder-1.4.2/lib/reportbuilder.rb:169:in `to_text'
     # ./lib/daru/dataframe.rb:1292:in `summary'
     # ./spec/dataframe_spec.rb:2880:in `block (3 levels) in <top (required)>'

Finished in 5.06 seconds (files took 10.03 seconds to load)
2470 examples, 1 failure, 20 pending