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Class: Test::Unit::Assertions::AssertionMessage

Relationships & Source Files
Namespace Children
Classes:
Super Chains via Extension / Inclusion / Inheritance
Instance Chain:
Inherits: Object
Defined in: lib/test/unit/assertions.rb

Constant Summary

::Test::Unit::Util::BacktraceFilter - Included

TESTUNIT_FILE_SEPARATORS, TESTUNIT_PREFIX, TESTUNIT_RB_FILE

Class Attribute Summary

Class Method Summary

Instance Method Summary

Constructor Details

.new(head, template_string, parameters) ⇒ AssertionMessage

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# File 'lib/test/unit/assertions.rb', line 2070

def initialize(head, template_string, parameters)
  @head = head
  @template_string = template_string
  @parameters = parameters
end

Class Attribute Details

.max_diff_target_string_size (rw)

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# File 'lib/test/unit/assertions.rb', line 1713

def max_diff_target_string_size
  return @@max_diff_target_string_size if @@max_diff_target_string_size

  size = ENV["TEST_UNIT_MAX_DIFF_TARGET_STRING_SIZE"]
  if size
    begin
      size = Integer(size)
    rescue ArgumentError
      size = nil
    end
  end
  size || MAX_DIFF_TARGET_STRING_SIZE
end

.max_diff_target_string_size=(size) (rw)

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# File 'lib/test/unit/assertions.rb', line 1728

def max_diff_target_string_size=(size)
  @@max_diff_target_string_size = size
end

.use_pp (rw)

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# File 'lib/test/unit/assertions.rb', line 1698

attr_accessor :use_pp

Class Method Details

.convert(object)

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# File 'lib/test/unit/assertions.rb', line 1786

def convert(object)
  if object.is_a?(Exception)
    object = AssertExceptionHelper::WrappedException.new(object)
  end
  inspector = Inspector.new(object)
  if use_pp
    begin
      require 'pp' unless defined?(PP)
      begin
        return PP.pp(inspector, '').chomp
      rescue NameError
      end
    rescue LoadError
      self.use_pp = false
    end
  end
  inspector.inspect
end

.delayed_diff(from, to)

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# File 'lib/test/unit/assertions.rb', line 1763

def delayed_diff(from, to)
  delayed_literal do
    from, to = prepare_for_diff(from, to)

    diff = "" if from.nil? or to.nil?
    diff ||= Diff.readable(from, to)
    if /^[-+]/ !~ diff
      diff = ""
    elsif /^[ ?]/ =~ diff or /(?:.*\n){2,}/ =~ diff
      diff = "\n\ndiff:\n#{diff}"
    else
      diff = ""
    end

    if Diff.need_fold?(diff)
      folded_diff = Diff.folded_readable(from, to)
      diff << "\n\nfolded diff:\n#{folded_diff}"
    end

    diff
  end
end

.delayed_literal(&block)

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# File 'lib/test/unit/assertions.rb', line 1704

def delayed_literal(&block)
  DelayedLiteral.new(block)
end

.diff_target_string?(string) ⇒ Boolean

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# File 'lib/test/unit/assertions.rb', line 1732

def diff_target_string?(string)
  if string.respond_to?(:bytesize)
    string.bytesize < max_diff_target_string_size
  else
    string.size < max_diff_target_string_size
  end
end

.ensure_diffable_string(string)

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# File 'lib/test/unit/assertions.rb', line 1740

def ensure_diffable_string(string)
  if string.respond_to?(:encoding) and
      !string.encoding.ascii_compatible?
    string = string.dup.force_encoding("ASCII-8BIT")
  end
  string
end

.literal(value)

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# File 'lib/test/unit/assertions.rb', line 1700

def literal(value)
  Literal.new(value)
end

.maybe_container(value, &formatter)

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# File 'lib/test/unit/assertions.rb', line 1708

def maybe_container(value, &formatter)
  MaybeContainer.new(value, &formatter)
end

.prepare_for_diff(from, to)

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# File 'lib/test/unit/assertions.rb', line 1748

def prepare_for_diff(from, to)
  if !from.is_a?(String) or !to.is_a?(String)
    from = convert(from)
    to = convert(to)
  end

  if diff_target_string?(from) and diff_target_string?(to)
    from = ensure_diffable_string(from)
    to = ensure_diffable_string(to)
    [from, to]
  else
    [nil, nil]
  end
end

Instance Method Details

#add_period(string)

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# File 'lib/test/unit/assertions.rb', line 2084

def add_period(string)
  (string =~ /\.\Z/ ? string : string + '.')
end

#convert(object)

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# File 'lib/test/unit/assertions.rb', line 2076

def convert(object)
  self.class.convert(object)
end

#template

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# File 'lib/test/unit/assertions.rb', line 2080

def template
  @template ||= Template.create(@template_string)
end

#to_s

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# File 'lib/test/unit/assertions.rb', line 2088

def to_s
  message_parts = []
  if (@head)
    head = @head
    head = head.call if head.respond_to?(:call)
    head = head.to_s
    unless(head.empty?)
      message_parts << add_period(head)
    end
  end
  tail = template.result(@parameters.collect{|e| convert(e)})
  message_parts << tail unless(tail.empty?)
  message_parts.join("\n")
end