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require 'em_test_helper'
class TestFork < Test::Unit::TestCase
def test_fork_safe
omit_if(jruby?)
omit_if(windows?)
fork_pid = nil
read, write = IO.pipe
EM.run do
fork_pid = fork do
write.puts "forked"
EM.run do
EM.next_tick do
write.puts "EM ran"
EM.stop
end
end
end
EM.stop
end
sleep 0.1
begin
Timeout::timeout 1 do
assert_equal "forked\n", read.readline
assert_equal "EM ran\n", read.readline
end
rescue Timeout::Error
Process.kill 'TERM', fork_pid
flunk "Timeout waiting for next_tick in new fork reactor"
end
ensure
read.close rescue nil
write.close rescue nil
end
def test_fork_reactor
omit_if(jruby?)
omit_if(windows?)
fork_pid = nil
read, write = IO.pipe
EM.run do
EM.defer do
write.puts Process.pid
EM.defer do
EM.stop
end
end
fork_pid = EM.fork_reactor do
EM.defer do
write.puts Process.pid
EM.stop
end
end
end
sleep 0.1
begin
Timeout::timeout 1 do
assert_equal Process.pid.to_s, read.readline.chomp
assert_equal fork_pid.to_s, read.readline.chomp
end
rescue Timeout::Error
Process.kill 'TERM', fork_pid
flunk "Timeout waiting for deferred block in fork_reactor"
end
ensure
read.close rescue nil
write.close rescue nil
end
end
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