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|
# frozen_string_literal: false
require 'test/unit'
require 'irb'
require 'readline'
module TestIRB
class TestHistory < Test::Unit::TestCase
def setup
IRB.conf[:RC_NAME_GENERATOR] = nil
end
def teardown
IRB.conf[:RC_NAME_GENERATOR] = nil
end
def test_history_save_1
omit "Skip Editline" if /EditLine/n.match(Readline::VERSION)
_result_output, result_history_file = launch_irb_with_irbrc_and_irb_history(<<~IRBRC, <<~IRB_HISTORY) do |stdin|
IRB.conf[:USE_READLINE] = true
IRB.conf[:SAVE_HISTORY] = 1
IRB.conf[:USE_READLINE] = true
IRBRC
1
2
3
4
IRB_HISTORY
stdin.write("5\nexit\n")
end
assert_equal(<<~HISTORY_FILE, result_history_file)
exit
HISTORY_FILE
end
def test_history_save_100
omit "Skip Editline" if /EditLine/n.match(Readline::VERSION)
_result_output, result_history_file = launch_irb_with_irbrc_and_irb_history(<<~IRBRC, <<~IRB_HISTORY) do |stdin|
IRB.conf[:USE_READLINE] = true
IRB.conf[:SAVE_HISTORY] = 100
IRB.conf[:USE_READLINE] = true
IRBRC
1
2
3
4
IRB_HISTORY
stdin.write("5\nexit\n")
end
assert_equal(<<~HISTORY_FILE, result_history_file)
1
2
3
4
5
exit
HISTORY_FILE
end
def test_history_save_bignum
omit "Skip Editline" if /EditLine/n.match(Readline::VERSION)
_result_output, result_history_file = launch_irb_with_irbrc_and_irb_history(<<~IRBRC, <<~IRB_HISTORY) do |stdin|
IRB.conf[:USE_READLINE] = true
IRB.conf[:SAVE_HISTORY] = 10 ** 19
IRB.conf[:USE_READLINE] = true
IRBRC
1
2
3
4
IRB_HISTORY
stdin.write("5\nexit\n")
end
assert_equal(<<~HISTORY_FILE, result_history_file)
1
2
3
4
5
exit
HISTORY_FILE
end
def test_history_save_minus_as_infinity
omit "Skip Editline" if /EditLine/n.match(Readline::VERSION)
_result_output, result_history_file = launch_irb_with_irbrc_and_irb_history(<<~IRBRC, <<~IRB_HISTORY) do |stdin|
IRB.conf[:USE_READLINE] = true
IRB.conf[:SAVE_HISTORY] = -1 # infinity
IRB.conf[:USE_READLINE] = true
IRBRC
1
2
3
4
IRB_HISTORY
stdin.write("5\nexit\n")
end
assert_equal(<<~HISTORY_FILE, result_history_file)
1
2
3
4
5
exit
HISTORY_FILE
end
private
def launch_irb_with_irbrc_and_irb_history(irbrc, irb_history)
result = nil
result_history = nil
backup_irbrc = ENV.delete("IRBRC")
backup_home = ENV["HOME"]
Dir.mktmpdir("test_irb_history_#{$$}") do |tmpdir|
ENV["HOME"] = tmpdir
open(IRB.rc_file, "w") do |f|
f.write(irbrc)
end
open(IRB.rc_file("_history"), "w") do |f|
f.write(irb_history)
end
with_temp_stdio do |stdin, stdout|
yield(stdin, stdout)
stdin.close
stdout.flush
system('ruby', '-Ilib', '-Itest', '-W0', '-rirb', '-e', 'IRB.start(__FILE__)', in: stdin.path, out: stdout.path)
result = stdout.read
stdout.close
end
open(IRB.rc_file("_history"), "r") do |f|
result_history = f.read
end
end
[result, result_history]
ensure
ENV["HOME"] = backup_home
ENV["IRBRC"] = backup_irbrc
end
def with_temp_stdio
Tempfile.create("test_readline_stdin") do |stdin|
Tempfile.create("test_readline_stdout") do |stdout|
yield stdin, stdout
end
end
end
end
end if not RUBY_PLATFORM.match?(/solaris|mswin|mingw/i)
|
