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require 'test/unit'
require File.expand_path('../../lib/supply_drop/util', __FILE__)
require File.expand_path('../../lib/supply_drop/async_enumerable', __FILE__)
require File.expand_path('../../lib/supply_drop/thread_pool', __FILE__)
class AsyncTest < Test::Unit::TestCase
def teardown
SupplyDrop::Util.thread_pool_size = SupplyDrop::Util::DEFAULT_THREAD_POOL_SIZE
end
def test_can_enumerate_asynchronously
collection = (1..10).to_a
elapsed = timed do
SupplyDrop::Util.optionally_async(collection, true).each do |item|
sleep 0.1
end
end
assert elapsed < 1
end
def test_can_enumerate_asynchronously_with_map
collection = (1..10).to_a
returned_values = nil
elapsed = timed do
returned_values = SupplyDrop::Util.optionally_async(collection, true).map do |item|
sleep 0.1
:somevalue
end
end
assert returned_values == Array.new(10, :somevalue)
assert elapsed < 1
end
def test_can_enumerate_normally_and_does_not_leak_after_extending
collection = (1..10).to_a
elapsed = timed do
SupplyDrop::Util.optionally_async(collection, true).each do |item|
sleep 0.1
end
end
assert elapsed < 1
elapsed = timed do
SupplyDrop::Util.optionally_async(collection, false).each do |item|
sleep 0.1
end
end
assert elapsed >= 1
end
def test_can_configure_thread_pool_size
collection = (1..10).to_a
SupplyDrop::Util.thread_pool_size = 1
elapsed = timed do
returned_values = SupplyDrop::Util.optionally_async(collection, true).map do |item|
sleep 0.1
end
end
assert elapsed >= 1
end
def timed
start = Time.now
yield
Time.now - start
end
end
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