# make the values of the example row cells available as an array...
Cucumber::Ast::OutlineTable::ExampleRow.class_eval do
  def cell_values
    @cells.map { |c| c.value  }
  end
end

if RUBY_VERSION == '1.9.2'
  # For some reason, the local sinatra server locks up and never exits
  # when using patron on 1.9.2, even though it exits fine during the specs.
  UNSUPPORTED_HTTP_LIBS = %w[ patron ]
elsif defined?(RUBY_ENGINE) && RUBY_ENGINE == 'rbx'
  # Patron is freezing up the cukes (as it does on 1.9.2)

  # I'm not sure why em-http-request isn't working on rbx,
  # but considering the fact that VCR works with all the other
  # libs just fine and doesn't do anything for em-http-request,
  # it's probably a bug in it or rbx...so ignore it, for now.

  # I'm getting errors in the curb C extension in rbx.
  UNSUPPORTED_HTTP_LIBS = %w[ patron em-http-request curb ]
elsif RUBY_PLATFORM == 'java'
  # These gems have C extensions and can't install on JRuby.
  UNSUPPORTED_HTTP_LIBS = %w[ typhoeus patron curb em-http-request ]
elsif RUBY_VERSION == '1.8.6' && ENV['TRAVIS']
  UNSUPPORTED_HTTP_LIBS = %w[ em-http-request ]
end

if defined?(UNSUPPORTED_HTTP_LIBS)
  UNSUPPORTED_HTTP_LIB_REGEX = Regexp.union(*UNSUPPORTED_HTTP_LIBS)

  # Filter out example rows that use libraries that are not supported on the current ruby interpreter
  Around do |scenario, block|
    unless scenario.respond_to?(:cell_values) && scenario.cell_values.any? { |v| v =~ UNSUPPORTED_HTTP_LIB_REGEX }
      block.call
    end
  end
end

stubbing_libs = %w[ :fakeweb :webmock :typhoeus :faraday :excon ]

# Set a global based on the current stubbing lib so we can put special-case
# logic in our step definitions based on the http stubbing library.
Before do |scenario|
  if scenario.respond_to?(:cell_values)
    stub_with = stubbing_libs & scenario.cell_values
    if stub_with.size == 1
      $stubbing_lib_for_current_scenario = stub_with.first
    else
      $stubbing_lib_for_current_scenario = nil
    end
  else
    $stubbing_lib_for_current_scenario = nil
  end
end