Class: Chaos::Injection

Inherits:
Object
  • Object
show all
Defined in:
lib/chaos/injection.rb

Constant Summary collapse

ATTRIBUTES = 
%i(target method_name instability_type instability_arguments probability execute_if).freeze

Instance Method Summary collapse

Constructor Details

#initialize(instability_factory: Chaos::InstabilityFactory.new) ⇒ Injection

Returns a new instance of Injection.



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# File 'lib/chaos/injection.rb', line 9

def initialize(instability_factory: Chaos::InstabilityFactory.new)
  @instability_factory = instability_factory
end

Instance Method Details

#execute_if ⇒ Object 



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# File 'lib/chaos/injection.rb', line 23

def execute_if
  @execute_if || ->(_arg) { true }
end

#execute_if=(val) ⇒ Object 



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# File 'lib/chaos/injection.rb', line 27

def execute_if=(val)
  raise "is not a lambda-like object" if !val.respond_to?(:call)
  @execute_if = val
end

#instability ⇒ Object 



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# File 'lib/chaos/injection.rb', line 19

def instability
  instability_factory.build(instability_type)
end

#validate! ⇒ Object 



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# File 'lib/chaos/injection.rb', line 13

def validate!
  ATTRIBUTES.each do |attribute|
    present?(public_send(attribute)) or raise ":#{attribute} is not set!"
  end
end