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Contents
module Cucumber
module RbSupport
# A Ruby Transform holds a Regexp and a Proc, and is created
# by calling <tt>Transform in the <tt>support</tt> ruby files.
# See also RbDsl.
#
# Example:
#
# Transform /^(\d+) cucumbers$/ do |cucumbers_string|
# cucumbers_string.to_i
# end
#
class RbTransform
class MissingProc < StandardError
def message
"Transforms must always have a proc with at least one argument"
end
end
def initialize(rb_language, pattern, proc)
raise MissingProc if proc.nil? || proc.arity < 1
@rb_language, @regexp, @proc = rb_language, Regexp.new(pattern), proc
end
def match(arg)
arg ? arg.match(@regexp) : nil
end
def invoke(arg)
if matched = match(arg)
args = matched.captures.empty? ? [arg] : matched.captures
@rb_language.current_world.cucumber_instance_exec(true, @regexp.inspect, *args, &@proc)
end
end
end
end
end
Version data entries
43 entries across 43 versions & 5 rubygems