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require_relative 'base_shared'
RSpec.shared_examples :channel_timing_buffer do
specify do
expect(subject).to be_blocking
end
context '#capacity' do
specify do
expect(subject.capacity).to eq 1
end
end
context '#size' do
specify do
expect(subject.size).to eq 0
end
end
context '#empty?' do
specify do
expect(subject).to_not be_empty
end
end
context '#full?' do
specify do
expect(subject).to be_full
end
end
context '#put' do
specify do
expect(subject.put(:foo)).to be false
end
end
context '#offer' do
specify do
expect(subject.offer(:foo)).to be false
end
end
context '#take' do
it 'blocks when the timer is not ready' do
actual = Concurrent::AtomicBoolean.new(false)
subject = described_class.new(10)
t = in_thread do
subject.take
actual.make_true
end
t.join(0.1)
actual = actual.value
t.kill # clean up
expect(actual).to be false
end
it 'returns a Tick' do
subject = described_class.new(0.1)
expect(subject.take).to be_a Concurrent::Channel::Tick
end
it 'triggers after the specified time interval' do
start = Concurrent::Channel::Tick.new.monotonic
subject = described_class.new(0.1)
actual = subject.take.monotonic
expect(actual - start).to be >= 0.1
end
it 'returns Concurrent::NULL when closed' do
subject.close
expect(subject.take).to eq Concurrent::NULL
end
end
context '#poll' do
it 'returns Concurrent::NULL when the timer is not ready' do
subject = described_class.new(0.1)
expect(subject.poll).to eq Concurrent::NULL
end
it 'returns a Tick' do
subject = described_class.new(0.1)
sleep(0.2)
expect(subject.poll).to be_a Concurrent::Channel::Tick
end
it 'returns Concurrent::NULL when closed' do
subject.close
expect(subject.poll).to eq Concurrent::NULL
end
it 'triggers after the specified time interval' do
start = Concurrent::Channel::Tick.new.monotonic
subject = described_class.new(0.1)
sleep(0.2)
actual = subject.poll.monotonic
expect(actual - start).to be >= 0.1
end
end
context '#next' do
it 'blocks when the timer is not ready' do
actual = Concurrent::AtomicBoolean.new(false)
subject = described_class.new(10)
t = in_thread do
subject.next
actual.make_true
end
t.join(0.1)
actual = actual.value
t.kill # clean up
expect(actual).to be false
end
it 'returns a Tick when open' do
subject = described_class.new(0.1)
value, _ = subject.next
expect(value).to be_a Concurrent::Channel::Tick
end
it 'returns Concurrent::NULL, false when closed' do
subject.close
expect(subject.take).to eq Concurrent::NULL
end
it 'triggers after the specified time interval' do
start = Concurrent::Channel::Tick.new.monotonic
subject = described_class.new(0.1)
actual, _ = subject.next
expect(actual.monotonic - start).to be >= 0.1
end
end
context '#close' do
it 'sets #closed? to false' do
subject.close
expect(subject).to be_closed
end
it 'returns true when not previously closed' do
expect(subject.close).to be true
end
it 'returns false when already closed' do
subject.close
expect(subject.close).to be false
end
end
context '#closed?' do
it 'returns true when new' do
expect(subject).to_not be_closed
end
it 'returns false after #close' do
subject.close
expect(subject).to be_closed
end
end
end
|
