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require File.expand_path('../spec_helper', __FILE__)
describe Cool.io::TimerWatcher do
interval = 0.010
let :loop do
Cool.io::Loop.new
end
it "can have the on_timer callback defined after creation" do
@watcher = Cool.io::TimerWatcher.new(interval, true)
nr = '0'
expect(@watcher.on_timer { nr.succ! }).to be_nil
expect(@watcher.attach(loop)).to eq(@watcher)
expect(nr).to eq('0')
sleep interval
loop.run_once
expect(nr).to eq('1')
end
it "can be subclassed" do
class MyTimerWatcher < Cool.io::TimerWatcher
TMP = '0'
def on_timer
TMP.succ!
end
end
@watcher = MyTimerWatcher.new(interval, true)
expect(@watcher.attach(loop)).to eq(@watcher)
expect(MyTimerWatcher::TMP).to eq('0')
sleep interval
loop.run_once
expect(MyTimerWatcher::TMP).to eq('1')
end
it "can have the on_timer callback redefined between runs" do
@watcher = Cool.io::TimerWatcher.new(interval, true)
nr = '0'
expect(@watcher.on_timer { nr.succ! }).to be_nil
expect(@watcher.attach(loop)).to eq(@watcher)
expect(nr).to eq('0')
sleep interval
loop.run_once
expect(nr).to eq('1')
@watcher.detach
expect(@watcher.on_timer { nr = :foo }).to be_nil
expect(@watcher.attach(loop)).to eq(@watcher)
expect(nr).to eq('1')
sleep interval
loop.run_once
expect(nr).to eq(:foo)
end
after :each do
@watcher.detach if defined?(@watcher)
end
end
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