discourse/spec/components/cache_spec.rb

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require 'spec_helper'
require 'cache'
describe Cache do
let :cache do
Cache.new
end
it "supports fixnum" do
cache.write("num", 1)
cache.read("num").should == 1
end
it "supports hash" do
hash = {a: 1, b: [1,2,3]}
cache.write("hash", hash)
cache.read("hash").should == hash
end
it "can be cleared" do
cache.write("hello0", "world")
cache.write("hello1", "world")
cache.clear
cache.read("hello0").should be_nil
end
it "can delete by family" do
cache.write("key2", "test", family: "my_family")
cache.write("key", "test", expires_in: 1.minute, family: "my_family")
cache.delete_by_family("my_family")
cache.fetch("key").should be_nil
cache.fetch("key2").should be_nil
end
it "can delete correctly" do
cache.fetch("key", expires_in: 1.minute) do
"test"
end
cache.delete("key")
cache.fetch("key").should be_nil
end
#TODO yuck on this mock
it "calls setex in redis" do
cache.delete("key")
key = cache.namespaced_key("key")
$redis.expects(:setex).with(key, 60 , Marshal.dump("bob"))
cache.fetch("key", expires_in: 1.minute) do
"bob"
end
end
it "can store and fetch correctly" do
cache.delete "key"
r = cache.fetch "key" do
"bob"
end
r.should == "bob"
end
it "can fetch existing correctly" do
cache.write "key", "bill"
r = cache.fetch "key" do
"bob"
end
r.should == "bill"
end
end