80 lines
1.8 KiB
Ruby
80 lines
1.8 KiB
Ruby
require 'redis'
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require 'uncomplicated_mutex'
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require 'minitest'
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require 'minitest/autorun'
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class TestUncomplicatedMutex < Minitest::Test
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class SlowObject
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attr_accessor :id
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def initialize
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@id = Time.now.to_i
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end
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end
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def setup
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@obj = SlowObject.new
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@redis = Redis.new
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default_opts = { timeout: 1, ticks: 10, redis: @redis }
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@mutex1 = UncomplicatedMutex.new(@obj, default_opts)
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@mutex2 = UncomplicatedMutex.new(@obj, default_opts)
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@lock_name = @mutex1.lock_name
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end
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def test_mutex_works
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@mutex1.lock do
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assert_equal @redis.exists(@lock_name), true
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end
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assert_equal @redis.exists(@lock_name), false
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end
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def test_sequential_access
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@redis.set('lock:testvalue', 1)
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@mutex1.lock do
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@redis.set('lock:testvalue', 2)
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end
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@mutex2.lock do
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assert_equal(@redis.get('lock:testvalue'), '2')
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@redis.del('lock:testvalue')
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end
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assert_equal @redis.exists('lock:testvalue'), false
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end
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def test_exception_is_thrown
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begin
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@redis.set(@lock_name, 1)
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UncomplicatedMutex.new(@obj, { timeout: 1, fail_on_timeout: true, ticks: 10 }).lock do
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sleep 2
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end
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rescue UncomplicatedMutex::MutexTimeout
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pass "Exception thrown"
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else
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flunk "Exception was not thrown"
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ensure
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@redis.del(@lock_name)
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end
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end
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def test_exception_is_not_thrown
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begin
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@redis.set(@lock_name, 1)
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@mutex2.lock do
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sleep 1.05
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end
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rescue UncomplicatedMutex::MutexTimeout
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flunk "Exception thrown"
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else
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pass "Exception was not thrown"
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ensure
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@redis.del(@lock_name)
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end
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end
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def test_lock_is_not_overwritten
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@mutex1.lock do
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@redis.set(@lock_name, 'abc123')
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end
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assert_equal(@redis.get(@lock_name), 'abc123')
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@redis.del(@lock_name)
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end
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end
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