# File lib/database_cleaner/generic/truncation.rb, line 9 def initialize(opts={}) if !opts.empty? && !(opts.keys - [:only, :except]).empty? raise ArgumentError, "The only valid options are :only and :except. You specified #{opts.keys.join(',')}." end if opts.has_key?(:only) && opts.has_key?(:except) raise ArgumentError, "You may only specify either :only or :either. Doing both doesn't really make sense does it?" end @only = opts[:only] @tables_to_exclude = (opts[:except] || []).dup @tables_to_exclude << migration_storage_name unless migration_storage_name.nil? end
# File lib/database_cleaner/generic/truncation.rb, line 26 def clean raise NotImplementedError end
# File lib/database_cleaner/generic/truncation.rb, line 22 def start #included for compatability reasons, do nothing if you don't need to end
overwrite in subclasses default implementation given because migration storage need not be present
# File lib/database_cleaner/generic/truncation.rb, line 37 def migration_storage_name nil end
# File lib/database_cleaner/generic/truncation.rb, line 31 def tables_to_truncate raise NotImplementedError end