Class: Conditionz::PostCondition

Inherits:
Object
  • Object
show all
Defined in:
lib/conditionz/post_condition.rb

Overview

Raise postcondition error when predicate is false

Class Method Summary collapse

Class Method Details

.ensure(predicate, message = 'Postcondition not met') ⇒ Object

Raise postcondition error if predicate is false. Otherwise do nothing

Attributes

  • predicate - a boolean expression to eval

  • message - Error message to raise

Examples

PostCondition.ensure age > 0, “Age should have been positive” PostCondition.ensure age > 0



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# File 'lib/conditionz/post_condition.rb', line 20

def self.ensure predicate, message = 'Postcondition not met'
  ConditionBase.verify predicate, PostConditionNotMetError, message
end