class RSpec::Matchers::BuiltIn::YieldSuccessiveArgs

@api private Provides the implementation for ‘yield_successive_args`. Not intended to be instantiated directly.

Public Class Methods

# File rspec-expectations/lib/rspec/matchers/built_in/yield.rb, line 297
def initialize(*args)
  @expected = args
end

Public Instance Methods

@private

# File rspec-expectations/lib/rspec/matchers/built_in/yield.rb, line 337
def description
  "yield successive args(#{expected_arg_description})"
end
# File rspec-expectations/lib/rspec/matchers/built_in/yield.rb, line 320
def does_not_match?(block)
  !matches?(block) && @probe.has_block?
end

@private

# File rspec-expectations/lib/rspec/matchers/built_in/yield.rb, line 325
def failure_message
  'expected given block to yield successively with arguments, ' \
  "but #{positive_failure_reason}"
end

@private

# File rspec-expectations/lib/rspec/matchers/built_in/yield.rb, line 331
def failure_message_when_negated
  'expected given block not to yield successively with arguments, ' \
  "but #{negative_failure_reason}"
end

@private

# File rspec-expectations/lib/rspec/matchers/built_in/yield.rb, line 302
def matches?(block)
  @actual_formatted = []
  @actual = []
  args_matched_when_yielded = true
  yield_count = 0

  @probe = YieldProbe.probe(block) do |*arg_array|
    arg_or_args = arg_array.size == 1 ? arg_array.first : arg_array
    @actual_formatted << RSpec::Support::ObjectFormatter.format(arg_or_args)
    @actual << arg_or_args
    args_matched_when_yielded &&= values_match?(@expected[yield_count], arg_or_args)
    yield_count += 1
  end

  return false unless @probe.has_block?
  args_matched_when_yielded && yield_count == @expected.length
end

@private

# File rspec-expectations/lib/rspec/matchers/built_in/yield.rb, line 342
def supports_block_expectations?
  true
end

@private

# File rspec-expectations/lib/rspec/matchers/built_in/yield.rb, line 347
def supports_value_expectations?
  false
end