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129 lines
3.2 KiB
129 lines
3.2 KiB
require 'helper'
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describe 'failover' do
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describe 'timeouts' do
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it 'not lead to corrupt sockets' do
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memcached(29125) do
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dc = Dalli::Client.new ['localhost:29125']
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begin
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Timeout.timeout 0.01 do
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1_000.times do
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dc.set("test_123", {:test => "123"})
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end
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flunk("Did not timeout")
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end
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rescue Timeout::Error
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end
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assert_equal({:test => '123'}, dc.get("test_123"))
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end
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end
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end
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describe 'assuming some bad servers' do
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it 'silently reconnect if server hiccups' do
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memcached(29125) do
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dc = Dalli::Client.new ['localhost:29125']
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dc.set 'foo', 'bar'
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foo = dc.get 'foo'
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assert_equal foo, 'bar'
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memcached_kill(29125)
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memcached(29125) do
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foo = dc.get 'foo'
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assert_nil foo
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memcached_kill(29125)
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end
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end
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end
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it 'handle graceful failover' do
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memcached(29125) do
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memcached(29126) do
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dc = Dalli::Client.new ['localhost:29125', 'localhost:29126']
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dc.set 'foo', 'bar'
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foo = dc.get 'foo'
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assert_equal foo, 'bar'
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memcached_kill(29125)
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dc.set 'foo', 'bar'
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foo = dc.get 'foo'
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assert_equal foo, 'bar'
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memcached_kill(29126)
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assert_raises Dalli::RingError, :message => "No server available" do
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dc.set 'foo', 'bar'
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end
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end
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end
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end
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it 'handle them gracefully in get_multi' do
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memcached(29125) do
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memcached(29126) do
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dc = Dalli::Client.new ['localhost:29125', 'localhost:29126']
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dc.set 'a', 'a1'
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result = dc.get_multi ['a']
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assert_equal result, {'a' => 'a1'}
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memcached_kill(29125)
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result = dc.get_multi ['a']
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assert_equal result, {'a' => 'a1'}
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end
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end
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end
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it 'handle graceful failover in get_multi' do
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memcached(29125) do
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memcached(29126) do
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dc = Dalli::Client.new ['localhost:29125', 'localhost:29126']
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dc.set 'foo', 'foo1'
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dc.set 'bar', 'bar1'
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result = dc.get_multi ['foo', 'bar']
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assert_equal result, {'foo' => 'foo1', 'bar' => 'bar1'}
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memcached_kill(29125)
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dc.set 'foo', 'foo1'
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dc.set 'bar', 'bar1'
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result = dc.get_multi ['foo', 'bar']
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assert_equal result, {'foo' => 'foo1', 'bar' => 'bar1'}
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memcached_kill(29126)
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result = dc.get_multi ['foo', 'bar']
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assert_equal result, {}
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end
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end
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end
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it 'stats it still properly report' do
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memcached(29125) do
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memcached(29126) do
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dc = Dalli::Client.new ['localhost:29125', 'localhost:29126']
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result = dc.stats
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assert_instance_of Hash, result['localhost:29125']
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assert_instance_of Hash, result['localhost:29126']
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memcached_kill(29125)
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dc = Dalli::Client.new ['localhost:29125', 'localhost:29126']
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result = dc.stats
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assert_instance_of NilClass, result['localhost:29125']
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assert_instance_of Hash, result['localhost:29126']
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memcached_kill(29126)
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end
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end
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end
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end
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end
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