Module: SharedShould::TestClassHelper

Defined in:
lib/shared_should/test_class_helper.rb

Class Method Summary collapse

Class Method Details

.included(base_test_class) ⇒ Object 



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# File 'lib/shared_should/test_class_helper.rb', line 2

def self.included(base_test_class)
  base_test_class.class_eval do
    attr_accessor :shared_value
    @@shared_proxies_executed = {}
    @@setup_blocks = {}

    def self.execute_class_shared_proxies
      if @@shared_proxies_executed[self].nil?
        shared_proxies.each do |shared_proxy|
          shared_proxy.share_execute
        end
        @@shared_proxies_executed[self] = true
      end
    end

    def self.shared_context_block_owner(context_or_test_class)
      return context_or_test_class.kind_of?(Shoulda::Context) ? context_or_test_class : Test::Unit::TestCase
    end

    def execute_class_shared_setups_if_not_executed
      if !@shared_setups_executed
        @shared_setups_executed = true
        (@@setup_blocks[self.class] || []).each do |setup_block|
          setup_block.bind(self).call
        end
      end
    end

    def self.setup(&setup_block)
      @@setup_blocks[self] = [] unless @@setup_blocks[self]
      @@setup_blocks[self] << setup_block
    end

    def setup_shared_value(initialization_block)
      self.shared_value = initialization_block.nil? ? nil : initialization_block.bind(self).call
    end

    def call_block_with_shared_value(test_block)
      return nil unless test_block
      execute_class_shared_setups_if_not_executed
      if test_block.arity == 1
        # check arity of 1 before checking if value is an array. If one parameter, never treat the shared_value as variable args
        test_block.bind(self).call(self.shared_value)
      elsif self.shared_value.class == Array && test_block.arity == self.shared_value.length
        test_block.bind(self).call(*self.shared_value)
      else
        test_block.bind(self).call()
      end
    end

    def call_block_config(block_config)
      ret_val = call_block_with_shared_value(block_config[:block])
      self.shared_value = ret_val if block_config[:action] == :given
    end
  end
end