#--
# WPScan - WordPress Security Scanner
# Copyright (C) 2012-2013
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.
#++

require 'spec_helper'

describe CacheFileStore do

  before :all do
    @cache_dir = SPEC_CACHE_DIR + '/cache_file_store'
  end

  before :each do
    Dir.delete(@cache_dir) rescue nil

    @cache = CacheFileStore.new(@cache_dir)
  end

  after :each do
    @cache.clean
  end

  describe "#storage_path" do
    it "returns the storage path given in the #new" do
      @cache.storage_path.should == @cache_dir
    end
  end

  describe "#serializer" do
    it "should return the default serializer : Marshal" do
      @cache.serializer.should == Marshal
      @cache.serializer.should_not == YAML
    end
  end

  describe "#clean" do
    it "should remove all files from the cache dir (#{@cache_dir}" do
      # let's create some files into the directory first
      (0..5).each do |i|
        File.new(@cache_dir + "/file_#{i}.txt", File::CREAT)
      end

      count_files_in_dir(@cache_dir, 'file_*.txt').should == 6
      @cache.clean
      count_files_in_dir(@cache_dir).should == 0
    end
  end

  describe "#read_entry (nonexistent entry)" do
    it "should return nil" do
      @cache.read_entry(Digest::SHA1.hexdigest('hello world')).should be_nil
    end
  end

  describe "#write_entry, #read_entry" do

    after :each do
      @cache.write_entry(@key, @data, @timeout)
      @cache.read_entry(@key).should === @expected
    end

    it "should get the correct entry (string)" do
      @timeout = 10
      @key = "some_key"
      @data = "Hello World !"
      @expected = @data
    end

    it "should not write the entry" do
      @timeout = 0
      @key = "another_key"
      @data = "Another Hello World !"
      @expected = nil
    end

    ## TODO write / read for an object
  end
end