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Class: RSpec::Support::StdErrSplitter

Relationships & Source Files
Inherits: Object
Defined in: rspec-support/lib/rspec/support/spec/stderr_splitter.rb

Class Method Summary

Instance Attribute Summary

Instance Method Summary

Constructor Details

.new(original) ⇒ StdErrSplitter

[ GitHub ] 

  


# File 'rspec-support/lib/rspec/support/spec/stderr_splitter.rb', line 8



def initialize(original)
  @orig_stderr    = original
  @output_tracker = ::StringIO.new
  @last_line = nil
end


  







Dynamic Method Handling

  

    This class handles dynamic methods through the method_missing method




  

    #method_missing(name, *args, &block)  
  

  [ GitHub ]


  

  


# File 'rspec-support/lib/rspec/support/spec/stderr_splitter.rb', line 19



def method_missing(name, *args, &block)
  @output_tracker.__send__(name, *args, &block) if @output_tracker.respond_to?(name)
  @orig_stderr.__send__(name, *args, &block)
end


  







Instance Attribute Details



  

    #has_output?  ⇒ Boolean  (readonly)
  

  [ GitHub ]


  

  


# File 'rspec-support/lib/rspec/support/spec/stderr_splitter.rb', line 59



def has_output?
  !output.empty?
end


  







Instance Method Details



  

    #==(other)  
  

  [ GitHub ]


  

  


# File 'rspec-support/lib/rspec/support/spec/stderr_splitter.rb', line 24



def ==(other)
  @orig_stderr == other
end


  








  

    #output  
  

  [ GitHub ]


  

  


# File 'rspec-support/lib/rspec/support/spec/stderr_splitter.rb', line 72



def output
  @output_tracker.string
end


  








  

    #reopen(*args)  
  

  [ GitHub ]


  

  


# File 'rspec-support/lib/rspec/support/spec/stderr_splitter.rb', line 28



def reopen(*args)
  reset!
  @orig_stderr.reopen(*args)
end


  








  

    #reset!  
  

  [ GitHub ]


  

  


# File 'rspec-support/lib/rspec/support/spec/stderr_splitter.rb', line 63



def reset!
  @output_tracker = ::StringIO.new
end


  








  

    #to_io  
  



  

    

To work around JRuby error: can’t convert RSpec::Support::StdErrSplitter into String


  



  [ GitHub ]


  

  


# File 'rspec-support/lib/rspec/support/spec/stderr_splitter.rb', line 35



def to_io
  @orig_stderr.to_io
end


  








  

    #verify_no_warnings!  
  

  [ GitHub ]


  

  


# File 'rspec-support/lib/rspec/support/spec/stderr_splitter.rb', line 67



def verify_no_warnings!
  raise "Warnings were generated: #{output}" if has_output?
  reset!
end


  








  

    #write(line)  
  



  

    

To work around JRuby error: TypeError: $stderr must have write method, RSpec::StdErrSplitter given


  



  [ GitHub ]


  

  


# File 'rspec-support/lib/rspec/support/spec/stderr_splitter.rb', line 41



def write(line)
  return if line =~ %r{^\S+/gems/\S+:\d+: warning:} # http://rubular.com/r/kqeUIZOfPG

  # Ruby 2.7.0 warnings from keyword arguments span multiple lines, extend check above
  # to look for the next line.
  return if @last_line =~ %r{^\S+/gems/\S+:\d+: warning:} &&
            line =~ %r{warning: The called method .* is defined here}

  # Ruby 2.7.0 complains about hashes used in place of keyword arguments
  # Aruba 0.14.2 uses this internally triggering that here
  return if line =~ %r{lib/ruby/2\.7\.0/fileutils\.rb:622: warning:}

  @orig_stderr.write(line)
  @output_tracker.write(line)
ensure
  @last_line = line
end