class RSpec::Matchers::BuiltIn::YieldSuccessiveArgs

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

Public Class Methods

new(*args) click to toggle source
# File lib/rspec/matchers/built_in/yield.rb, line 336
def initialize(*args)
  @expected = args
end

Public Instance Methods

description() click to toggle source

@private

# File lib/rspec/matchers/built_in/yield.rb, line 363
def description
  desc = "yield successive args"
  desc << "(#{expected_arg_description})"
  desc
end
does_not_match?(block) click to toggle source
# File lib/rspec/matchers/built_in/yield.rb, line 348
def does_not_match?(block)
  !matches?(block) && @probe.has_block?
end
failure_message() click to toggle source

@private

# File lib/rspec/matchers/built_in/yield.rb, line 353
def failure_message
  "expected given block to yield successively with arguments, but #{positive_failure_reason}"
end
failure_message_when_negated() click to toggle source

@private

# File lib/rspec/matchers/built_in/yield.rb, line 358
def failure_message_when_negated
  "expected given block not to yield successively with arguments, but #{negative_failure_reason}"
end
matches?(block) click to toggle source

@private

# File lib/rspec/matchers/built_in/yield.rb, line 341
def matches?(block)
  @probe = YieldProbe.probe(block)
  return false unless @probe.has_block?
  @actual = @probe.successive_yield_args
  args_match?
end
supports_block_expectations?() click to toggle source

@private

# File lib/rspec/matchers/built_in/yield.rb, line 370
def supports_block_expectations?
  true
end

Private Instance Methods

args_match?() click to toggle source
# File lib/rspec/matchers/built_in/yield.rb, line 376
def args_match?
  values_match?(@expected, @actual)
end
expected_arg_description() click to toggle source
# File lib/rspec/matchers/built_in/yield.rb, line 380
def expected_arg_description
  @expected.map { |e| description_of e }.join(", ")
end
negative_failure_reason() click to toggle source
# File lib/rspec/matchers/built_in/yield.rb, line 392
def negative_failure_reason
  return "was not a block" unless @probe.has_block?

  "yielded with expected arguments" +
  "\nexpected not: #{surface_descriptions_in(@expected).inspect}" +
  "\n         got: #{@actual.inspect}"
end
positive_failure_reason() click to toggle source
# File lib/rspec/matchers/built_in/yield.rb, line 384
def positive_failure_reason
  return "was not a block" unless @probe.has_block?

  "yielded with unexpected arguments" +
  "\nexpected: #{surface_descriptions_in(@expected).inspect}" +
  "\n     got: #{@actual.inspect}"
end