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# frozen_string_literal: false
require 'test/unit'
require 'timeout'
class TestTimeout < Test::Unit::TestCase
def test_non_timing_out_code_is_successful
assert_nothing_raised do
assert_equal :ok, Timeout.timeout(1){ :ok }
end
end
def test_included
c = Class.new do
include Timeout
def test
timeout(1) { :ok }
end
end
assert_nothing_raised do
assert_equal :ok, c.new.test
end
end
def test_yield_param
assert_equal [5, :ok], Timeout.timeout(5){|s| [s, :ok] }
end
def test_queue
q = Thread::Queue.new
assert_raise(Timeout::Error, "[ruby-dev:32935]") {
Timeout.timeout(0.01) { q.pop }
}
end
def test_timeout
assert_raise(Timeout::Error) do
Timeout.timeout(0.1) {
nil while true
}
end
end
def test_cannot_convert_into_time_interval
bug3168 = '[ruby-dev:41010]'
def (n = Object.new).zero?; false; end
assert_raise(TypeError, bug3168) {Timeout.timeout(n) { sleep 0.1 }}
end
def test_skip_rescue
bug8730 = '[Bug #8730]'
e = nil
assert_raise_with_message(Timeout::Error, /execution expired/, bug8730) do
Timeout.timeout 0.01 do
begin
sleep 3
rescue Exception => e
flunk "should not see any exception but saw #{e.inspect}"
end
end
end
assert_nil(e, bug8730)
end
def test_rescue_exit
exc = Class.new(RuntimeError)
e = nil
assert_nothing_raised(exc) do
Timeout.timeout 0.01, exc do
begin
sleep 3
rescue exc => e
end
end
end
assert_raise_with_message(exc, 'execution expired') {raise e if e}
end
def test_custom_exception
bug9354 = '[ruby-core:59511] [Bug #9354]'
err = Class.new(StandardError) do
def initialize(msg) super end
end
assert_nothing_raised(ArgumentError, bug9354) do
assert_equal(:ok, Timeout.timeout(100, err) {:ok})
end
assert_raise_with_message(err, 'execution expired') do
Timeout.timeout 0.01, err do
sleep 3
end
end
assert_raise_with_message(err, /connection to ruby-lang.org expired/) do
Timeout.timeout 0.01, err, "connection to ruby-lang.org expired" do
sleep 3
end
end
end
def test_exit_exception
assert_raise_with_message(Timeout::Error, "boon") do
Timeout.timeout(10, Timeout::Error) do
raise Timeout::Error, "boon"
end
end
end
def test_raise_with_message
bug17812 = '[ruby-core:103502] [Bug #17812]: Timeout::Error doesn\'t let two-argument raise() set a new message'
exc = Timeout::Error.new('foo')
assert_raise_with_message(Timeout::Error, 'bar', bug17812) do
raise exc, 'bar'
end
end
def test_enumerator_next
bug9380 = '[ruby-dev:47872] [Bug #9380]: timeout in Enumerator#next'
e = (o=Object.new).to_enum
def o.each
sleep
end
assert_raise_with_message(Timeout::Error, 'execution expired', bug9380) do
Timeout.timeout(0.01) {e.next}
end
end
def test_handle_interrupt
bug11344 = '[ruby-dev:49179] [Bug #11344]'
ok = false
assert_raise(Timeout::Error) {
Thread.handle_interrupt(Timeout::Error => :never) {
Timeout.timeout(0.01) {
sleep 0.2
ok = true
Thread.handle_interrupt(Timeout::Error => :on_blocking) {
sleep 0.2
}
}
}
}
assert(ok, bug11344)
end
def test_fork
omit 'fork not supported' unless Process.respond_to?(:fork)
r, w = IO.pipe
pid = fork do
r.close
begin
r = Timeout.timeout(0.01) { sleep 5 }
w.write r.inspect
rescue Timeout::Error
w.write 'timeout'
ensure
w.close
end
end
w.close
Process.wait pid
assert_equal 'timeout', r.read
r.close
end
end
|
