Module: DatabaseCleaner::Generic::Truncation

Included in:
ActiveRecord::Truncation, CouchPotato::Truncation, DataMapper::Truncation, Mongo::Truncation, MongoMapper::Truncation, Mongoid::Truncation, Moped::TruncationBase, Redis::Truncation, Sequel::Truncation
Defined in:
lib/database_cleaner/generic/truncation.rb

Instance Method Summary collapse

Instance Method Details

#clean ⇒ Object

Raises:

  • (NotImplementedError) 


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# File 'lib/database_cleaner/generic/truncation.rb', line 24

def clean
  raise NotImplementedError
end

#initialize(opts = {}) ⇒ Object 



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# File 'lib/database_cleaner/generic/truncation.rb', line 4

def initialize(opts={})
  if !opts.empty? && !(opts.keys - [:only, :except, :pre_count, :reset_ids, :cache_tables]).empty?
    raise ArgumentError, "The only valid options are :only, :except, :pre_count, :reset_ids or :cache_tables. You specified #{opts.keys.join(',')}."
  end
  if opts.has_key?(:only) && opts.has_key?(:except)
    raise ArgumentError, "You may only specify either :only or :except.  Doing both doesn't really make sense does it?"
  end

  @only = opts[:only]
  @tables_to_exclude = Array( (opts[:except] || []).dup ).flatten
  @tables_to_exclude += migration_storage_names
  @pre_count = opts[:pre_count]
  @reset_ids = opts[:reset_ids]
  @cache_tables = opts.has_key?(:cache_tables) ? !!opts[:cache_tables] : true
end

#start ⇒ Object 



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# File 'lib/database_cleaner/generic/truncation.rb', line 20

def start
  #included for compatability reasons, do nothing if you don't need to
end