require 'tmpdir'
require 'lib/public_suffix_list'

describe PublicSuffixList do

  FILE = File.join(Dir.tmpdir, "test.dat.cache")

  before do
    File.delete(FILE) if File.exist?(FILE)
  end

  it "should cache when instructed to do so" do
    File.exist?(FILE).should be false
    public_suffix_list = PublicSuffixList.new(:effective_tld_names_url => "spec/test.dat", :cache_dir => Dir.tmpdir, :cache_expiry_period => 10)
    public_suffix_list.cache_file.cache?.should be true
    public_suffix_list.cache_file.exist?.should be true
    created_at = public_suffix_list.cache_file.read_attribute(:created_at)
    tag  = public_suffix_list.cache_file.read_attribute(:tag)
    public_suffix_list = PublicSuffixList.new(:effective_tld_names_url => "spec/test.dat", :cache_dir => Dir.tmpdir, :cache_expiry_period => 10)
    public_suffix_list.cache_file.cache?.should be true
    public_suffix_list.cache_file.exist?.should be true
    public_suffix_list.cache_file.read_attribute(:created_at).should == created_at
    public_suffix_list.cache_file.read_attribute(:tag).should == tag
    public_suffix_list.cache_file.write_attribute :created_at, Time.now - 100
    public_suffix_list.cache_file.dump_data
    public_suffix_list = PublicSuffixList.new(:effective_tld_names_url => "spec/test.dat", :cache_dir => Dir.tmpdir, :cache_expiry_period => 10)
    public_suffix_list.cache_file.cache?.should be true
    public_suffix_list.cache_file.exist?.should be true
    public_suffix_list.cache_file.read_attribute(:created_at).should_not == created_at
    public_suffix_list.cache_file.read_attribute(:tag).should_not == tag
  end

  it "should allow 0 or nil to specify an infinite cache expiry period" do
    File.exist?(FILE).should be false
    public_suffix_list = PublicSuffixList.new(:effective_tld_names_url => "spec/test.dat", :cache_dir => Dir.tmpdir, :cache_expiry_period => 10)
    public_suffix_list.cache_file.exist?.should be true
    public_suffix_list.cache_file.expired?.should be false
    public_suffix_list.cache_file.write_attribute :created_at, Time.now - 100
    public_suffix_list.cache_file.expired?.should be true
    public_suffix_list.cache_file.exist?.should be true
    public_suffix_list.cache_file.delete
    public_suffix_list.cache_file.exist?.should be false
    public_suffix_list = PublicSuffixList.new(:effective_tld_names_url => "spec/test.dat", :cache_dir => Dir.tmpdir, :cache_expiry_period => 0)
    public_suffix_list.cache_file.exist?.should be true
    public_suffix_list.cache_file.expired?.should be false
    public_suffix_list.cache_file.write_attribute :created_at, Time.now - 10000000
    public_suffix_list.cache_file.expired?.should be false
    public_suffix_list.cache_file.exist?.should be true
    public_suffix_list.cache_file.delete
    public_suffix_list.cache_file.exist?.should be false
    public_suffix_list = PublicSuffixList.new(:effective_tld_names_url => "spec/test.dat", :cache_dir => Dir.tmpdir, :cache_expiry_period => nil)
    public_suffix_list.cache_file.exist?.should be true
    public_suffix_list.cache_file.expired?.should be false
    public_suffix_list.cache_file.write_attribute :created_at, Time.now - 10000000
    public_suffix_list.cache_file.expired?.should be false
    public_suffix_list.cache_file.exist?.should be true
  end

end