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require_relative '../../spec_helper'
require 'tmpdir'
describe "Binding#irb" do
it "creates an IRB session with the binding in scope" do
irb_fixture = fixture __FILE__, "irb.rb"
envs = %w[IRBRC HOME XDG_CONFIG_HOME].to_h {|e| [e, nil]}
out = Dir.mktmpdir do |dir|
IO.popen([envs, *ruby_exe, irb_fixture, chdir: dir], "r+") do |pipe|
pipe.puts "a ** 2"
pipe.puts "exit"
pipe.readlines.map(&:chomp).reject(&:empty?)
end
end
out.last(3).should == ["a ** 2", "100", "exit"]
end
end
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