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require_relative 'executor_service_shared'
module Concurrent
RSpec.describe SimpleExecutorService do
subject { SimpleExecutorService.new }
it_should_behave_like :executor_service
context '#post' do
subject { SimpleExecutorService.new }
it 'creates a new thread for a call without arguments' do
thread = in_thread{ nil }
expect(Thread).to receive(:new).with(no_args()).and_return(thread)
expect(Concurrent.global_fast_executor).not_to receive(:post).with(any_args())
subject.post{ nil }
end
it 'executes a call without arguments' do
latch = CountDownLatch.new(1)
subject.post{ latch.count_down }
expect(latch.wait(1)).to be_truthy
end
it 'creates a new thread for a call with arguments' do
thread = in_thread{ nil }
expect(Thread).to receive(:new).with(1,2,3).and_return(thread)
expect(Concurrent.global_fast_executor).not_to receive(:post).with(any_args())
subject.post(1,2,3){ nil }
end
it 'executes a call with one argument' do
latch = CountDownLatch.new(3)
subject.post(3){|count| count.times{ latch.count_down } }
expect(latch.wait(1)).to be_truthy
end
it 'executes a call with multiple arguments' do
latch = CountDownLatch.new(10)
subject.post(1,2,3,4){|*count| count.reduce(:+).times{ latch.count_down } }
expect(latch.wait(1)).to be_truthy
end
it 'aliases #<<' do
thread = in_thread{ nil }
expect(Thread).to receive(:new).with(no_args()).and_return(thread)
expect(Concurrent.global_fast_executor).not_to receive(:post).with(any_args())
subject << proc{ nil }
end
end
context 'SimpleExecutorService.post' do
subject { SimpleExecutorService }
it 'creates a new thread for a call without arguments' do
thread = in_thread{ nil }
expect(Thread).to receive(:new).with(no_args()).and_return(thread)
expect(Concurrent.global_fast_executor).not_to receive(:post).with(any_args())
subject.post{ nil }
end
it 'executes a call without arguments' do
latch = CountDownLatch.new(1)
subject.post{ latch.count_down }
expect(latch.wait(1)).to be_truthy
end
it 'creates a new thread for a call with arguments' do
thread = in_thread{ nil }
expect(Thread).to receive(:new).with(1,2,3).and_return(thread)
expect(Concurrent.global_fast_executor).not_to receive(:post).with(any_args())
subject.post(1,2,3){ nil }
end
it 'executes a call with one argument' do
latch = CountDownLatch.new(3)
subject.post(3){|count| count.times{ latch.count_down } }
expect(latch.wait(1)).to be_truthy
end
it 'executes a call with multiple arguments' do
latch = CountDownLatch.new(10)
subject.post(1,2,3,4){|*count| count.reduce(:+).times{ latch.count_down } }
expect(latch.wait(1)).to be_truthy
end
it 'aliases #<<' do
thread = in_thread{ nil }
expect(Thread).to receive(:new).with(no_args()).and_return(thread)
expect(Concurrent.global_fast_executor).not_to receive(:post).with(any_args())
subject << proc{ nil }
end
end
end
end
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