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|
# frozen_string_literal: false
require 'irb'
require 'irb/ext/save-history'
require 'readline'
require_relative "helper"
module TestIRB
class TestHistory < TestCase
def setup
IRB.conf[:RC_NAME_GENERATOR] = nil
end
def teardown
IRB.conf[:RC_NAME_GENERATOR] = nil
end
class TestInputMethodWithHistory < TestInputMethod
HISTORY = Array.new
include IRB::HistorySavingAbility
end
def test_history_save_1
omit "Skip Editline" if /EditLine/n.match(Readline::VERSION)
IRB.conf[:SAVE_HISTORY] = 1
assert_history(<<~EXPECTED_HISTORY, <<~INITIAL_HISTORY, <<~INPUT)
exit
EXPECTED_HISTORY
1
2
3
4
INITIAL_HISTORY
5
exit
INPUT
end
def test_history_save_100
omit "Skip Editline" if /EditLine/n.match(Readline::VERSION)
IRB.conf[:SAVE_HISTORY] = 100
assert_history(<<~EXPECTED_HISTORY, <<~INITIAL_HISTORY, <<~INPUT)
1
2
3
4
5
exit
EXPECTED_HISTORY
1
2
3
4
INITIAL_HISTORY
5
exit
INPUT
end
def test_history_save_bignum
omit "Skip Editline" if /EditLine/n.match(Readline::VERSION)
IRB.conf[:SAVE_HISTORY] = 10 ** 19
assert_history(<<~EXPECTED_HISTORY, <<~INITIAL_HISTORY, <<~INPUT)
1
2
3
4
5
exit
EXPECTED_HISTORY
1
2
3
4
INITIAL_HISTORY
5
exit
INPUT
end
def test_history_save_minus_as_infinity
omit "Skip Editline" if /EditLine/n.match(Readline::VERSION)
IRB.conf[:SAVE_HISTORY] = -1 # infinity
assert_history(<<~EXPECTED_HISTORY, <<~INITIAL_HISTORY, <<~INPUT)
1
2
3
4
5
exit
EXPECTED_HISTORY
1
2
3
4
INITIAL_HISTORY
5
exit
INPUT
end
def test_history_concurrent_use
omit "Skip Editline" if /EditLine/n.match(Readline::VERSION)
IRB.conf[:SAVE_HISTORY] = 1
assert_history(<<~EXPECTED_HISTORY, <<~INITIAL_HISTORY, <<~INPUT) do |history_file|
exit
5
exit
EXPECTED_HISTORY
1
2
3
4
INITIAL_HISTORY
5
exit
INPUT
assert_history(<<~EXPECTED_HISTORY2, <<~INITIAL_HISTORY2, <<~INPUT2)
exit
EXPECTED_HISTORY2
1
2
3
4
INITIAL_HISTORY2
5
exit
INPUT2
File.utime(File.atime(history_file), File.mtime(history_file) + 2, history_file)
end
end
def test_history_concurrent_use_not_present
backup_home = ENV["HOME"]
backup_xdg_config_home = ENV.delete("XDG_CONFIG_HOME")
backup_irbrc = ENV.delete("IRBRC")
IRB.conf[:LC_MESSAGES] = IRB::Locale.new
IRB.conf[:SAVE_HISTORY] = 1
Dir.mktmpdir("test_irb_history_") do |tmpdir|
ENV["HOME"] = tmpdir
io = TestInputMethodWithHistory.new
io.class::HISTORY.clear
io.load_history
io.class::HISTORY.concat(%w"line1 line2")
history_file = IRB.rc_file("_history")
assert_not_send [File, :file?, history_file]
File.write(history_file, "line0\n")
io.save_history
assert_equal(%w"line0 line1 line2", File.read(history_file).split)
end
ensure
ENV["HOME"] = backup_home
ENV["XDG_CONFIG_HOME"] = backup_xdg_config_home
ENV["IRBRC"] = backup_irbrc
end
private
def assert_history(expected_history, initial_irb_history, input)
backup_verbose, $VERBOSE = $VERBOSE, nil
backup_home = ENV["HOME"]
backup_xdg_config_home = ENV.delete("XDG_CONFIG_HOME")
IRB.conf[:LC_MESSAGES] = IRB::Locale.new
actual_history = nil
Dir.mktmpdir("test_irb_history_") do |tmpdir|
ENV["HOME"] = tmpdir
File.open(IRB.rc_file("_history"), "w") do |f|
f.write(initial_irb_history)
end
io = TestInputMethodWithHistory.new
io.class::HISTORY.clear
io.load_history
if block_given?
history = io.class::HISTORY.dup
yield IRB.rc_file("_history")
io.class::HISTORY.replace(history)
end
io.class::HISTORY.concat(input.split)
io.save_history
io.load_history
File.open(IRB.rc_file("_history"), "r") do |f|
actual_history = f.read
end
end
assert_equal(expected_history, actual_history, <<~MESSAGE)
expected:
#{expected_history}
but actual:
#{actual_history}
MESSAGE
ensure
$VERBOSE = backup_verbose
ENV["HOME"] = backup_home
ENV["XDG_CONFIG_HOME"] = backup_xdg_config_home
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)
|
