require File.join(File.dirname(__FILE__) , "helpers")

def fill_cache(cache)
  cache[:key1] = "value1"
  cache[:key2] = "value2"
end

describe "Waves::Cache" do
  before do
    cache = Waves::Cache.new
    fill_cache cache
  end

  it "can find a value in the cache" do
    cache[:key1].should == "value1"
  end

  it "can delete a value from the cache" do
    fill_cache cache
    cache.delete(:key1)
    cache[:key1].should == nil
    cache[:key2].should == "value2"
  end

  it "can clear the cache" do
    fill_cache cache
    cache.clear
    cache[:key1].should == nil
    cache[:key2].should == nil
  end

end

require 'layers/cache/file_cache'
describe "Waves::Layers::FileCache" do

  before do
    cache = Waves::Layers::FileCache.new('.')
    fill_cache cache
  end

    it "can find a value in the cache" do
    cache[:key1].should == "value1"
  end

  it "can delete a value from the cache" do
    fille_cache cache
    cache.delete(:key1)
    cache[:key1].should == nil
    cache[:key2].should == "value2"
  end

  it "can clear the cache" do
    fill_cache cache
    cache.clear
    cache[:key1].should == nil
    cache[:key2].should == nil
  end

end