86 lines
1.4 KiB
Ruby
86 lines
1.4 KiB
Ruby
# frozen_string_literal: true
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require_relative 'user_interaction'
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##
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# This Gem::StreamUI subclass records input and output to StringIO for
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# retrieval during tests.
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class Gem::MockGemUi < Gem::StreamUI
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##
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# Raised when you haven't provided enough input to your MockGemUi
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class InputEOFError < RuntimeError
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def initialize(question)
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super "Out of input for MockGemUi on #{question.inspect}"
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end
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end
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class TermError < RuntimeError
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attr_reader :exit_code
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def initialize(exit_code)
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super
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@exit_code = exit_code
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end
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end
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class SystemExitException < RuntimeError; end
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module TTY
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attr_accessor :tty
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def tty?()
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@tty = true unless defined?(@tty)
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@tty
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end
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def noecho
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yield self
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end
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end
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def initialize(input = "")
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require 'stringio'
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ins = StringIO.new input
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outs = StringIO.new
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errs = StringIO.new
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ins.extend TTY
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outs.extend TTY
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errs.extend TTY
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super ins, outs, errs, true
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@terminated = false
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end
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def ask(question)
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raise InputEOFError, question if @ins.eof?
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super
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end
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def input
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@ins.string
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end
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def output
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@outs.string
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end
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def error
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@errs.string
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end
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def terminated?
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@terminated
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end
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def terminate_interaction(status=0)
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@terminated = true
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raise TermError, status if status != 0
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raise SystemExitException
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end
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end
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