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# coding: utf-8
#--
# simulate.rb
#
# Created by Andy Rossmeissl on 2012-04-29.
# Copyright 2005 Gray Productions. All rights reserved.
#
# This is Free Software. See LICENSE and COPYING for details.
#
# adapted from https://gist.github.com/194554
class HighLine
# Simulates Highline input for use in tests.
class Simulate
# Creates a simulator with an array of Strings as a script
# @param strings [Array<String>] preloaded string to be used
# as input buffer when simulating.
def initialize(strings)
@strings = strings
end
# Simulate StringIO#gets by shifting a string off of the script
def gets
@strings.shift
end
# Simulate StringIO#getbyte by shifting a single character off of the next line of the script
def getbyte
line = gets
unless line.empty?
char = line.slice! 0
@strings.unshift line
char
end
end
# The simulator handles its own EOF
def eof?
false
end
# A wrapper method that temporarily replaces the Highline
# instance in HighLine.default_instance with an instance of this object
# for the duration of the block
#
# @param strings [String] preloaded string buffer that
# will feed the input operations when simulating.
def self.with(*strings)
@input = HighLine.default_instance.instance_variable_get :@input
HighLine.default_instance.instance_variable_set :@input, new(strings)
yield
ensure
HighLine.default_instance.instance_variable_set :@input, @input
end
end
end
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