require 'test/test_helper'

class GridIOTest < Test::Unit::TestCase
  include GridFS

  def setup
    @db ||= Connection.new(ENV['MONGO_RUBY_DRIVER_HOST'] || 'localhost',
      ENV['MONGO_RUBY_DRIVER_PORT'] || Connection::DEFAULT_PORT).db('ruby-mongo-test')
    @files  = @db.collection('fs.files')
    @chunks = @db.collection('fs.chunks')
  end

  def teardown
    @files.remove
    @chunks.remove
  end

  context "Options" do
    setup do
      @filename = 'test'
      @mode     = 'w'
    end

    should "set default 256k chunk size" do
      file = GridIO.new(@files, @chunks, @filename, @mode)
      assert_equal 256 * 1024, file.chunk_size
    end

    should "set chunk size" do
      file = GridIO.new(@files, @chunks, @filename, @mode, :chunk_size => 1000)
      assert_equal 1000, file.chunk_size
    end

  end

end