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module Shoulda # :nodoc:
module Private # :nodoc:
# Returns the values for the entries in the args hash who's keys are listed in the wanted array.
# Will raise if there are keys in the args hash that aren't listed.
def get_options!(args, *wanted)
ret = []
opts = (args.last.is_a?(Hash) ? args.pop : {})
wanted.each {|w| ret << opts.delete(w)}
raise ArgumentError, "Unsupported options given: #{opts.keys.join(', ')}" unless opts.keys.empty?
return wanted.size == 1 ? ret.first : ret
end
end
end
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