Class: Verifier::Verification Private

Inherits:

Object

• Object
• Verifier::Verification

Defined in:

lib/verifier/verification.rb

Overview

This class is part of a private API. You should avoid using this class if possible, as it may be removed or be changed in the future.

Verification runner

Class Method Summary

• .run(object, variable, name, &block) ⇒ undefined private

  Constructs and runs a verification object.

Instance Method Summary

• #initialize(object, variable, name, &block) ⇒ undefined constructor private

  Initializes a verification object.

• #run { ... } ⇒ undefined private

  Runs a verification.

Constructor Details

#initialize(object, variable, name, &block) ⇒ undefined

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Initializes a verification object

Parameters:

• object (Object) —

  the object whose method should be verified

• variable (Symbol) —

  the name of the variable to be verified

• name (Symbol) —

  the name of verification

• block (Proc)

# File 'lib/verifier/verification.rb', line 21

def initialize(object, variable, name, &block)
  fail SyntaxError.new "No block given" unless block_given?
  @object, @variable, @name, @block = object, variable, name, block
end

Class Method Details

.run(object, variable, name, &block) ⇒ undefined

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Constructs and runs a verification object

Parameters:

• object (Object) —

  the object whose method should be verified

• variable (Symbol) —

  the name of the variable to be verified

• name (Symbol) —

  the name of verification

• block (Proc)

Returns:

• (undefined)

Raises:

• (Verifier::MethodNotDefined) —

  if the #variable not defined by #object

• (Verifier::MethodFails) —

  it calling the #variable raises a StandardError

• (Verifier::Invalid) —

  if the block fails or returns a value whose negation is truthy

# File 'lib/verifier/verification.rb', line 50

def self.run(object, variable, name, &block)
  send(:new, object, variable, name, &block).run
end

Instance Method Details

#run { ... } ⇒ undefined

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Runs a verification

Yields:

• block in the scope of a value returned by the #variable

Returns:

• (undefined)

Raises:

• (Verifier::MethodNotDefined) —

  if the #variable not defined by #object

• (Verifier::MethodFails) —

  it calling the #variable raises a StandardError

• (Verifier::Invalid) —

  if the block fails or returns a value whose negation is truthy

# File 'lib/verifier/verification.rb', line 38

def run
  check_method_existence
  check_condition
end