Class: RSpec::Matchers::BuiltIn::YieldWithArgs

Inherits:

Object

• Object
• RSpec::Matchers::BuiltIn::YieldWithArgs

show all

Defined in:

lib/rspec/matchers/built_in/yield.rb

Instance Method Summary (collapse)

• - (Object) description
• - (Object) failure_message_for_should
• - (Object) failure_message_for_should_not
• - (YieldWithArgs) initialize(*args) constructor

  A new instance of YieldWithArgs.

• - (Boolean) matches?(block) (also: #==)

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# File 'lib/rspec/matchers/built_in/yield.rb', line 109

def initialize(*args)
  @expected = args
end

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# File 'lib/rspec/matchers/built_in/yield.rb', line 128

def description
  desc = "yield with args"
  desc << "(" + @expected.map { |e| e.inspect }.join(", ") + ")" unless @expected.empty?
  desc
end

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# File 'lib/rspec/matchers/built_in/yield.rb', line 120

def failure_message_for_should
  "expected given block to yield with arguments, but #{positive_failure_reason}"
end

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# File 'lib/rspec/matchers/built_in/yield.rb', line 124

def failure_message_for_should_not
  "expected given block not to yield with arguments, but #{negative_failure_reason}"
end

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# File 'lib/rspec/matchers/built_in/yield.rb', line 113

def matches?(block)
  @probe = YieldProbe.probe(block)
  @actual = @probe.single_yield_args
  @probe.yielded_once?(:yield_with_args) && args_match?
end