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require File.dirname(__FILE__) + '/helper'
class TestGodSystem < MiniTest::Test
def assert_watch_running(watch_name)
assert_equal true, God.watches[watch_name].alive?
end
def with_god_cleanup
old_terminate = God.method(:terminate)
# necessary cuz actual god terminate will do exit(0) will stops tests
God.class_eval do
def self.terminate
FileUtils.rm_f(self.pid) if self.pid
self.server.stop if self.server
end
end
begin
yield
ensure
God.stop_all
God.terminate # use our monkeypatched terminate
God.watches.each do |name, w|
w.stop_signal = 'KILL'
w.action(:stop)
end
God.inited = false
God.terminate_timeout = ::God::TERMINATE_TIMEOUT_DEFAULT
God.internal_init # reset config, set running to false, etc.
# set termiante back to old method, for other tests
God.define_singleton_method(:terminate, old_terminate)
end
end
def test_start_running
with_god_cleanup do
God.start
assert_equal(God.running, true)
end
end
def test_add_watch
with_god_cleanup do
God.start
God.watch do |w|
w.name = 'add_watch'
w.start = File.join(GOD_ROOT, *%w[test configs complex simple_server.rb])
end
assert God.watches['add_watch'] != nil
end
end
def test_start_watch
with_god_cleanup do
God.start
God.watch do |w|
w.name = 'start_watch'
w.start = File.join(GOD_ROOT, *%w[test configs complex simple_server.rb])
end
God.watches['start_watch'].action(:start)
sleep 2
assert_equal true, God.watches['start_watch'].alive?
end
end
def test_start_watch
with_god_cleanup do
God.start
God.watch do |w|
w.name = 'start_watch'
w.start = File.join(GOD_ROOT, *%w[test configs complex simple_server.rb])
end
God.watches['start_watch'].action(:start)
sleep 2
assert_equal true, God.watches['start_watch'].alive?
end
end
def test_stop_all_with_one
with_god_cleanup do
God.start
God.watch do |w|
w.name = 'start_watch'
w.start = File.join(GOD_ROOT, *%w[test configs complex simple_server.rb])
end
God.watches['start_watch'].action(:start)
sleep 2
assert_equal true, God.watches['start_watch'].alive?
God.stop_all
assert_equal false, God.watches.any? { |name, w| w.alive? }
end
end
# default 10s timeout will expire before SIGKILL sent
def test_stop_all_with_non_killing_signal_long_timeout
with_god_cleanup do
God.start
God.watch do |w|
w.name = 'long_timeout'
w.stop_signal = 'USR1'
w.stop_timeout = ::God::STOP_TIMEOUT_DEFAULT + 1
w.start = File.join(GOD_ROOT, *%w[test configs usr1_trapper.rb])
end
God.watches['long_timeout'].action(:start)
sleep 2
assert_equal true, God.watches['long_timeout'].alive?
God.stop_all
assert_watch_running('long_timeout')
end
end
# use short timeout to send SIGKILL before 10s timeout
def test_stop_all_with_non_killing_signal_short_timeout
with_god_cleanup do
God.start
God.watch do |w|
w.name = 'short_timeout'
w.stop_signal = 'USR1'
w.stop_timeout = ::God::STOP_TIMEOUT_DEFAULT - 1
w.start = File.join(GOD_ROOT, *%w[test configs usr1_trapper.rb])
end
God.watches['short_timeout'].action(:start)
sleep 2
assert_equal true, God.watches['short_timeout'].alive?
God.stop_all
assert_equal false, God.watches.any? { |name, w| w.alive? }
end
end
# should be able to stop many simple watches within default timeout
def test_stop_all_with_many_watches
with_god_cleanup do
God.start
20.times do |i|
God.watch do |w|
w.name = "many_watches_#{i}"
w.start = File.join(GOD_ROOT, *%w[test configs complex simple_server.rb])
end
God.watches["many_watches_#{i}"].action(:start)
end
while true do
all_running = God.watches.select{ |name, w| name =~ /many_watches_/ }.all?{ |name, w| w.alive? }
size = God.watches.size
break if all_running && size >= 20
sleep 2
end
God.stop_all
assert_equal false, God.watches.any? { |name, w| w.alive? }
end
end
# should be able to stop many simple watches within short timeout
def test_stop_all_with_many_watches_short_timeout
with_god_cleanup do
God.start
God.terminate_timeout = 1
100.times do |i|
God.watch do |w|
w.name = "tons_of_watches_#{i}"
w.start = File.join(GOD_ROOT, *%w[test configs complex simple_server.rb])
w.keepalive
end
God.watches["tons_of_watches_#{i}"].action(:start)
end
while true do
all_running = God.watches.select{ |name, w| name =~ /tons_of_watches_/ }.all?{ |name, w| w.alive? }
size = God.watches.size
break if all_running && size >= 100
sleep 2
end
God.stop_all
assert_equal false, God.watches.any? { |name, w| w.alive? }
end
end
def test_god_terminate_with_many_watches_short_timeout
with_god_cleanup do
God.start
God.terminate_timeout = 1
100.times do |i|
God.watch do |w|
w.name = "tons_of_watches_#{i}"
w.start = File.join(GOD_ROOT, *%w[test configs complex simple_server.rb])
w.keepalive
end
God.watches["tons_of_watches_#{i}"].action(:start)
end
while true do
all_running = God.watches.select{ |name, w| name =~ /tons_of_watches_/ }.all?{ |name, w| w.alive? }
size = God.watches.size
break if all_running && size >= 100
sleep 2
end
begin
God::CLI::Command.new('terminate', {port: 17165}, [])
rescue SystemExit
ensure
assert_equal false, God.watches.any? { |name, w| w.alive? }
end
end
end
end
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