class Minitest::Result

def self.from runnable
  o = runnable
  r = self.new o.name
  r.klass      = o.class.name
  r.assertions = o.assertions
  r.failures   = o.failures.dup
  r.time       = o.time
  r.source_location = o.method(o.name).source_location rescue ["unknown", -1]
  r
end

def class_name # :nodoc:
  self.klass # for Minitest::Reportable
end

def to_s # :nodoc:
  return location if passed? and not skipped?
  failures.map { |failure|
    "#{failure.result_label}:\n#{self.location}:\n#{failure.message}\n"
  }.join "\n"
end