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Class: RSpec::Expectations::ExpectationTarget

Relationships & Source Files
Namespace Children
Modules:
InstanceMethods
Extension / Inclusion / Inheritance Descendants
Subclasses:
RSpec::Expectations::BlockExpectationTarget, RSpec::Expectations::ValueExpectationTarget
Super Chains via Extension / Inclusion / Inheritance
Instance Chain:
self, InstanceMethods
Inherits: Object
Defined in: rspec-expectations/lib/rspec/expectations/expectation_target.rb

Overview

Note:

ExpectationTarget is not intended to be instantiated directly by users. Use expect instead.

Wraps the target of an expectation.

Examples:

expect(something)       # => ExpectationTarget wrapping something
expect { do_something } # => ExpectationTarget wrapping the block

# used with {to}
expect(actual).to eq(3)

# with {not_to}
expect(actual).not_to eq(3)

Constant Summary

Class Method Summary

Instance Attribute Summary

Instance Method Summary

InstanceMethods - Included

#not_to

Runs the given expectation, passing if matcher returns false.
#to

Runs the given expectation, passing if matcher returns true.
#to_not

Alias for InstanceMethods#not_to.
#prevent_operator_matchers

Class Method Details

.for(value, block)

This method is for internal use only.
[ GitHub ] 

  


# File 'rspec-expectations/lib/rspec/expectations/expectation_target.rb', line 36



def self.for(value, block)
  if UndefinedValue.equal?(value)
    unless block
      raise ArgumentError, "You must pass either an argument or a block to `expect`."
    end
    BlockExpectationTarget.new(block)
  elsif block
    raise ArgumentError, "You cannot pass both an argument and a block to `expect`."
  else
    ValueExpectationTarget.new(value)
  end
end


  







Instance Attribute Details



  

    #target  ⇒ Object  (readonly)
  



  

    
  

    Note:
    


this name aligns with Minitest::Expectation so that our ExpectationTarget::InstanceMethods module can be included in that class when used in a Minitest context.



  



  





  
Returns:


    
  
  • 
    (Object)
—    
    

    the target of the expectation
    

    
  
    • 





  [ GitHub ]


  

  


# File 'rspec-expectations/lib/rspec/expectations/expectation_target.rb', line 28



attr_reader :target