discourse/spec/components/distributed_cache_spec.rb

92 lines
1.6 KiB
Ruby

require 'spec_helper'
require 'distributed_cache'
describe DistributedCache do
let! :cache1 do
DistributedCache.new("test")
end
let! :cache2 do
DistributedCache.new("test")
end
def add_throw_away_cache
c = DistributedCache.new("test")
c["foofoo"] = "bar"
end
it 'correctly clears up caches' do
start = DistributedCache.subscribers.length
add_throw_away_cache
GC.start
cache1["foofoo"] = "bar1"
wait_for do
cache2["foofoo"] == "bar1"
end
DistributedCache.subscribers.length.should == start
end
it 'does not leak state across caches' do
c2 = DistributedCache.new("test1")
c3 = DistributedCache.new("test1")
c2["hi"] = "hi"
wait_for do
c3["hi"] == "hi"
end
Thread.pass
cache1["hi"].should == nil
end
it 'allows coerces symbol keys to strings' do
cache1[:key] = "test"
cache1["key"].should == "test"
wait_for do
cache2[:key] == "test"
end
cache2["key"].should == "test"
end
it 'sets other caches' do
cache1["test"] = "world"
wait_for do
cache2["test"] == "world"
end
end
it 'deletes from other caches' do
cache1["foo"] = "bar"
wait_for do
cache2["foo"] == "bar"
end
cache1.delete("foo")
cache1["foo"].should == nil
wait_for do
cache2["foo"] == nil
end
end
it 'clears cache on request' do
cache1["foo"] = "bar"
wait_for do
cache2["foo"] == "bar"
end
cache1.clear
cache1["foo"].should == nil
wait_for do
cache2["boom"] == nil
end
end
end