Module: HigherExpectations

Defined in:
lib/higher_expectations.rb,
lib/instance_methods.rb,
lib/higher_expectations/version.rb

Overview

Higher expectations module

Provides method to load instance methods in a group of arguments
Requires instance methods

Usage:

class Something
  include HigherExpectations
end
..or optionally inject into Object (not recommended)

Defined Under Namespace

Modules: InstanceMethods, VERSION

Instance Method Summary collapse

Instance Method Details

#has_expectations(*objects) ⇒ Object Also known as: has_expectation

Should be called at method entrance, extends each given object with expectation methods



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# File 'lib/higher_expectations.rb', line 21

def has_expectations(*objects)
  objects.map do |obj|
    #next if obj.respond_to?(:raise_ae)  # skip objects that have already instance methods

    begin
      obj.extend(HigherExpectations::InstanceMethods)
    # TypeErrors are generated when trying to extend Numeric objects, which are not and cannot be singeltons and hence cannot get new methods.  

    # Handled below via Numeric

    rescue TypeError
      next    
    end
  end
end