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# frozen_string_literal: true
# These specs ensure that Pry doesn't require readline until the first time a
# REPL is started.
require "shellwords"
require 'rbconfig'
RSpec.describe "Readline" do
before :all do
@ruby = RbConfig.ruby.shellescape
@pry_dir = File.expand_path(File.join(__FILE__, '../../../lib')).shellescape
end
it "is not loaded on requiring 'pry'" do
code = <<-RUBY
require "pry"
p defined?(Readline)
RUBY
expect(`#{@ruby} -I #{@pry_dir} -e '#{code}'`).to eq("nil\n")
end
it "is loaded on invoking 'pry'" do
code = <<-RUBY
require "pry"
Pry.start self, input: StringIO.new("exit-all"), output: StringIO.new
puts defined?(Readline)
RUBY
expect(`#{@ruby} -I #{@pry_dir} -e '#{code}'`.end_with?("constant\n")).to eq(true)
end
it "is not loaded on invoking 'pry' if Pry.input is set" do
code = <<-RUBY
require "pry"
Pry.input = StringIO.new("exit-all")
Pry.start self, output: StringIO.new
p defined?(Readline)
RUBY
expect(`#{@ruby} -I #{@pry_dir} -e '#{code}'`.end_with?("nil\n")).to eq(true)
end
end
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