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| | # frozen_string_literal: false
require 'test/unit'
require 'unicorn'
require 'unicorn/select_waiter'
class TestSelectWaiter < Test::Unit::TestCase
def test_select_timeout # n.b. this is level-triggered
sw = Unicorn::SelectWaiter.new
IO.pipe do |r,w|
sw.get_readers(ready = [], [r], 0)
assert_equal [], ready
w.syswrite '.'
sw.get_readers(ready, [r], 1000)
assert_equal [r], ready
sw.get_readers(ready, [r], 0)
assert_equal [r], ready
end
end
def test_linux # ugh, also level-triggered, unlikely to change
IO.pipe do |r,w|
wtr = Unicorn::Waiter.prep_readers([r])
wtr.get_readers(ready = [], [r], 0)
assert_equal [], ready
w.syswrite '.'
wtr.get_readers(ready = [], [r], 1000)
assert_equal [r], ready
wtr.get_readers(ready = [], [r], 1000)
assert_equal [r], ready, 'still ready (level-triggered :<)'
assert_nil wtr.close
end
rescue SystemCallError => e
warn "#{e.message} (#{e.class})"
end if Unicorn.const_defined?(:Waiter)
end
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