Class: RSpec::Matchers::BuiltIn::RespondTo Private

Inherits:

BaseMatcher

• Object
• BaseMatcher
• RSpec::Matchers::BuiltIn::RespondTo

show all

Defined in:

lib/rspec/matchers/built_in/respond_to.rb

Overview

Constant Summary

Constant Summary

Constants inherited from BaseMatcher

BaseMatcher::UNDEFINED

Instance Method Summary (collapse)

• - (Object) argument (also: #arguments)

  No-op.

• - (String) description private
• - (String) failure_message private
• - (String) failure_message_when_negated private
• - (RespondTo) initialize(*names) constructor private

  A new instance of RespondTo.

• - (Object) with(n)

  Specifies the number of expected arguments.

• - (Object) with_any_keywords (also: #and_any_keywords)

  Specifies that the method accepts any keyword, i.e.

• - (Object) with_keywords(*keywords) (also: #and_keywords)

  Specifies keyword arguments, if any.

• - (Object) with_unlimited_arguments (also: #and_unlimited_arguments)

  Specifies that the number of arguments has no upper limit, i.e.

Methods inherited from BaseMatcher

#diffable?, #expects_call_stack_jump?, #match_unless_raises, #supports_block_expectations?

Methods included from Composable

#===, #and, #description_of, #or, should_enumerate?, surface_descriptions_in, unreadable_io?, #values_match?

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# File 'lib/rspec/matchers/built_in/respond_to.rb', line 10
def initialize(*names)
  @names = names
  @expected_arity = nil
  @expected_keywords = []
  @unlimited_arguments = nil
  @arbitrary_keywords = nil
end

expect(obj).to respond_to(:message).with(3).arguments

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# File 'lib/rspec/matchers/built_in/respond_to.rb', line 70
def argument
  self
end

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# File 'lib/rspec/matchers/built_in/respond_to.rb', line 99
def description
  "respond to #{pp_names}#{with_arity}"
end

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# File 'lib/rspec/matchers/built_in/respond_to.rb', line 87
def failure_message
  "expected #{actual_formatted} to respond to #{@failing_method_names.map { |name| description_of(name) }.join(', ')}#{with_arity}"
end

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# File 'lib/rspec/matchers/built_in/respond_to.rb', line 93
def failure_message_when_negated
  failure_message.sub(/to respond to/, 'not to respond to')
end

expect(obj).to respond_to(:message).with(3).arguments

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# File 'lib/rspec/matchers/built_in/respond_to.rb', line 23
def with(n)
  @expected_arity = n
  self
end

expect(obj).to respond_to(:message).with_any_keywords

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# File 'lib/rspec/matchers/built_in/respond_to.rb', line 47
def with_any_keywords
  @arbitrary_keywords = true
  self
end

expect(obj).to respond_to(:message).with_keywords(:color, :shape)

expect(obj).to respond_to(:message).with(3).arguments.and_keywords(:color, :shape)

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# File 'lib/rspec/matchers/built_in/respond_to.rb', line 35
def with_keywords(*keywords)
  @expected_keywords = keywords
  self
end

expect(obj).to respond_to(:message).with_unlimited_arguments

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# File 'lib/rspec/matchers/built_in/respond_to.rb', line 59
def with_unlimited_arguments
  @unlimited_arguments = true
  self
end