Class: RSpec::JsonMatchers::Expectations::Core::SingletonExpectation Abstract

Inherits:

RSpec::JsonMatchers::Expectation

• Object
• RSpec::JsonMatchers::Expectation
• RSpec::JsonMatchers::Expectations::Core::SingletonExpectation

Extended by:

AbstractClass

Defined in:

lib/rspec/json_matchers/expectations/core.rb

Overview

This class is abstract.

This class MUST be used after being inherited Subclasses will have a constant INSTANCE storing the only instance of that class

Note:

This class assumed descendants to NOT override SingletonExpectation.inherited or call super if overridden Otherwise the constant INSTANCE won’t work

Note:

The constant INSTANCE will be referred with namespace, which eliminates the possibility of using parent class constant

Note:

Pattern comes from gem rspec-mocks

See Also:

• https://stackoverflow.com/questions/3174563/how-to-use-an-overridden-constant-in-an-inheritanced-class
• https://github.com/rspec/rspec-mocks/blob/3-2-maintenance/lib/rspec/mocks/argument_matchers.rb

Direct Known Subclasses

Abstract::NumericExpectation, Mixins::BuiltIn::Anything, Mixins::BuiltIn::BooleanValue, Private::Nothing

Class Method Summary

• .inherited(subclass) ⇒ Object

Methods inherited from RSpec::JsonMatchers::Expectation

build, build_many, #expect?

Class Method Details

.inherited(subclass) ⇒ Object

# File 'lib/rspec/json_matchers/expectations/core.rb', line 37

def self.inherited(subclass)
  subclass.const_set(:INSTANCE, subclass.send(:new))
end