103 lines
2.8 KiB
Ruby
103 lines
2.8 KiB
Ruby
require 'spec_helper'
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describe Gitlab::ExclusiveLease, :clean_gitlab_redis_shared_state do
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let(:unique_key) { SecureRandom.hex(10) }
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describe '#try_obtain' do
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it 'cannot obtain twice before the lease has expired' do
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lease = described_class.new(unique_key, timeout: 3600)
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expect(lease.try_obtain).to be_present
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expect(lease.try_obtain).to eq(false)
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end
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it 'can obtain after the lease has expired' do
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timeout = 1
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lease = described_class.new(unique_key, timeout: timeout)
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lease.try_obtain # start the lease
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sleep(2 * timeout) # lease should have expired now
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expect(lease.try_obtain).to be_present
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end
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end
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describe '#renew' do
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it 'returns true when we have the existing lease' do
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lease = described_class.new(unique_key, timeout: 3600)
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expect(lease.try_obtain).to be_present
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expect(lease.renew).to be_truthy
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end
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it 'returns false when we dont have a lease' do
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lease = described_class.new(unique_key, timeout: 3600)
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expect(lease.renew).to be_falsey
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end
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end
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describe '#exists?' do
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it 'returns true for an existing lease' do
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lease = described_class.new(unique_key, timeout: 3600)
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lease.try_obtain
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expect(lease.exists?).to eq(true)
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end
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it 'returns false for a lease that does not exist' do
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lease = described_class.new(unique_key, timeout: 3600)
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expect(lease.exists?).to eq(false)
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end
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end
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describe '.get_uuid' do
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it 'gets the uuid if lease with the key associated exists' do
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uuid = described_class.new(unique_key, timeout: 3600).try_obtain
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expect(described_class.get_uuid(unique_key)).to eq(uuid)
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end
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it 'returns false if the lease does not exist' do
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expect(described_class.get_uuid(unique_key)).to be false
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end
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end
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describe '.cancel' do
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it 'can cancel a lease' do
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uuid = new_lease(unique_key)
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expect(uuid).to be_present
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expect(new_lease(unique_key)).to eq(false)
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described_class.cancel(unique_key, uuid)
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expect(new_lease(unique_key)).to be_present
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end
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def new_lease(key)
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described_class.new(key, timeout: 3600).try_obtain
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end
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end
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describe '#ttl' do
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it 'returns the TTL of the Redis key' do
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lease = described_class.new('kittens', timeout: 100)
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lease.try_obtain
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expect(lease.ttl <= 100).to eq(true)
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end
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it 'returns nil when the lease does not exist' do
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lease = described_class.new('kittens', timeout: 10)
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expect(lease.ttl).to be_nil
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end
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end
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describe '.reset_all!' do
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it 'removes all existing lease keys from redis' do
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uuid = described_class.new(unique_key, timeout: 3600).try_obtain
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expect(described_class.get_uuid(unique_key)).to eq(uuid)
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described_class.reset_all!
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expect(described_class.get_uuid(unique_key)).to be_falsey
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end
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end
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end
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