Class: Stove::Validator

Inherits:
Object
  • Object
show all
Includes:
Logify, Mixin::Insideable
Defined in:
lib/stove/validator.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Mixin::Insideable

#inside

Constructor Details

#initialize(klass, id, &block) ⇒ Validator

Create a new validator object.



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# File 'lib/stove/validator.rb', line 38

def initialize(klass, id, &block)
  @klass   = klass
  @id      = id
  @block   = block
end

Instance Attribute Details

#block ⇒ Proc (readonly)

The block to execute to see if the validation passes.



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# File 'lib/stove/validator.rb', line 26

def block
  @block
end

#id ⇒ Symbol (readonly)

The identifier or field this validator runs against.



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# File 'lib/stove/validator.rb', line 19

def id
  @id
end

#klass ⇒ ~Class (readonly)

The class that created this validator.



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# File 'lib/stove/validator.rb', line 12

def klass
  @klass
end

Instance Method Details

#run(cookbook, options = {}) ⇒ Object

Execute this validation in the context of the creating class, inside the given cookbook’s path.



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# File 'lib/stove/validator.rb', line 51

def run(cookbook, options = {})
  log.info("Running validations for `#{klass.id}.#{id}'")

  inside(cookbook) do
    instance = klass.new(cookbook, options)
    unless result = instance.instance_eval(&block)
      log.debug("Validation failed, result: #{result.inspect}")

      # Convert the class and id to their magical equivalents
      error = Error.const_get("#{Util.camelize(klass.id)}#{Util.camelize(id)}ValidationFailed")
      raise error.new(path: Dir.pwd, result: result)
    end
  end

  log.debug("Validation #{id} passed!")
end