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require "spec/helper/all"
require "em-synchrony/fiber_iterator"
describe EventMachine::Synchrony::FiberIterator do
it "should wait until the iterator is done and wrap internal block within a fiber" do
EM.synchrony do
results = []
i = EM::Synchrony::FiberIterator.new(1..5, 2).each do |num|
EM::Synchrony.sleep(0.1)
results.push num
end
results.should == (1..5).to_a
results.size.should == 5
EventMachine.stop
end
end
it "works even with nested arrays and iterator" do
EM.synchrony do
results = []
list = [[1, 2], [3, 4]]
EM::Synchrony::FiberIterator.new(list, 2).each { |sublist, iter| results.push(sublist) }
expect(results).to eq(list)
EM.stop
end
end
#
# it "should sum values within the iterator" do
# EM.synchrony do
# data = (1..5).to_a
# res = EM::Synchrony::FiberIterator.new(data, 2).inject(0) do |total, num, iter|
# EM::Synchrony.sleep(0.1)
#
# p [:sync, total, num]
# iter.return(total += num)
# end
#
# res.should == data.inject(:+)
# EventMachine.stop
# end
# end
end
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