require 'rails_helper' require 'cache' describe Cache do let :cache do Cache.new end it "supports fixnum" do cache.write("num", 1) expect(cache.read("num")).to eq(1) end it "supports hash" do hash = { a: 1, b: [1, 2, 3] } cache.write("hash", hash) expect(cache.read("hash")).to eq(hash) end it "can be cleared" do $redis.set("boo", "boo") cache.write("hello0", "world") cache.write("hello1", "world") cache.clear expect($redis.get("boo")).to eq("boo") expect(cache.read("hello0")).to eq(nil) end it "can delete correctly" do cache.fetch("key", expires_in: 1.minute) do "test" end cache.delete("key") expect(cache.fetch("key")).to eq(nil) end it "calls setex in redis" do cache.delete("key") cache.delete("bla") key = cache.normalize_key("key") cache.fetch("key", expires_in: 1.minute) do "bob" end expect($redis.ttl(key)).to be_within(2.seconds).of(1.minute) # we always expire withing a day cache.fetch("bla") { "hi" } key = cache.normalize_key("bla") expect($redis.ttl(key)).to be_within(2.seconds).of(1.day) end it "can store and fetch correctly" do cache.delete "key" r = cache.fetch "key" do "bob" end expect(r).to eq("bob") end it "can fetch existing correctly" do cache.write "key", "bill" r = cache.fetch "key" do "bob" end expect(r).to eq("bill") end end