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Versions: 19
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Contents
# encoding: UTF-8
require 'test_helper'
describe Vines::TokenBucket do
subject { Vines::TokenBucket.new(10, 1) }
it 'raises with invalid capacity and rate values' do
-> { Vines::TokenBucket.new(0, 1) }.must_raise ArgumentError
-> { Vines::TokenBucket.new(1, 0) }.must_raise ArgumentError
-> { Vines::TokenBucket.new(-1, 1) }.must_raise ArgumentError
-> { Vines::TokenBucket.new(1, -1) }.must_raise ArgumentError
end
it 'does not allow taking a negative number of tokens' do
-> { subject.take(-1) }.must_raise ArgumentError
end
it 'does not allow taking more tokens than its capacity' do
refute subject.take(11)
end
it 'allows taking all tokens, but no more' do
assert subject.take(10)
refute subject.take(1)
end
it 'refills over time' do
assert subject.take(10)
refute subject.take(1)
Time.stub(:new, Time.now + 1) do
assert subject.take(1)
refute subject.take(1)
end
end
it 'does not refill over capacity' do
assert subject.take(10)
refute subject.take(1)
Time.stub(:new, Time.now + 15) do
refute subject.take(11)
end
end
end
Version data entries
19 entries across 19 versions & 3 rubygems