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Module: RSpec::Matchers::DSL::DefaultImplementations

Relationships & Source Files
Extension / Inclusion / Inheritance Descendants
Included In:
Matcher
Super Chains via Extension / Inclusion / Inheritance
Instance Chain:
self, ::RSpec::Matchers::BuiltIn::BaseMatcher::DefaultFailureMessages
Defined in: rspec-expectations/lib/rspec/matchers/dsl.rb

Overview

Defines default implementations of the matcher protocol methods for custom matchers. You can override any of these using the Macros methods from within an RSpec::Matchers.define block.

Instance Attribute Summary

Instance Method Summary

::RSpec::Matchers::BuiltIn::BaseMatcher::DefaultFailureMessages - Included

#failure_message

Provides a good generic failure message.
#failure_message_when_negated

Provides a good generic negative failure message.

Instance Attribute Details

#diffable? ⇒ Boolean (readonly)

This method is for internal use only.

Used internally by objects returns by should and should_not.

[ GitHub ] 

  


# File 'rspec-expectations/lib/rspec/matchers/dsl.rb', line 390



def diffable?
  false
end


  








  

    #expects_call_stack_jump?  ⇒ Boolean  (readonly)
  



  

    

Most matchers do not expect call stack jumps.


  





  


  [ GitHub ]


  

  


# File 'rspec-expectations/lib/rspec/matchers/dsl.rb', line 412



def expects_call_stack_jump?
  false
end


  








  

    #supports_block_expectations?  ⇒ Boolean  (readonly)
  



  

    

::RSpec::Matchers do not support block expectations by default. You must opt-in.


  





  


  [ GitHub ]


  

  


# File 'rspec-expectations/lib/rspec/matchers/dsl.rb', line 403



def supports_block_expectations?
  false
end


  








  

    #supports_value_expectations?  ⇒ Boolean  (readonly)
  

  [ GitHub ]


  

  


# File 'rspec-expectations/lib/rspec/matchers/dsl.rb', line 407



def supports_value_expectations?
  true
end


  







Instance Method Details



  

    #chained_method_clause_sentences   (private)
  

  [ GitHub ]


  

  


# File 'rspec-expectations/lib/rspec/matchers/dsl.rb', line 418



def chained_method_clause_sentences
  return '' unless Expectations.configuration.include_chain_clauses_in_custom_matcher_descriptions?

  @chained_method_clauses.map do |(method_name, method_args)|
    english_name = EnglishPhrasing.split_words(method_name)
    arg_list = EnglishPhrasing.list(method_args)
    " #{english_name}#{arg_list}"
  end.join
end


  








  

    #description  
  



  

    

The default description.


  



  [ GitHub ]


  

  


# File 'rspec-expectations/lib/rspec/matchers/dsl.rb', line 395



def description
  english_name = EnglishPhrasing.split_words(name)
  expected_list = EnglishPhrasing.list(expected)
  "#{english_name}#{expected_list}#{chained_method_clause_sentences}"
end