JezK

Edit File: send_file_test.rb

# encoding: utf-8
require 'abstract_unit'

module TestFileUtils
  def file_name() File.basename(__FILE__) end
  def file_path() File.expand_path(__FILE__) end
  def file_data() @data ||= File.open(file_path, 'rb') { |f| f.read } end
end

class SendFileController < ActionController::Base
  include TestFileUtils
  layout "layouts/standard" # to make sure layouts don't interfere

attr_writer :options
  def options() @options ||= {} end

def file() send_file(file_path, options) end
  def data() send_data(file_data, options) end
  def multibyte_text_data() send_data("Кирилица\n祝您好運", options) end

def rescue_action(e) raise end
end

class SendFileTest < ActionController::TestCase
  tests SendFileController
  include TestFileUtils

Mime::Type.register "image/png", :png unless defined? Mime::PNG

def setup
    @controller = SendFileController.new
    @request = ActionController::TestRequest.new
    @response = ActionController::TestResponse.new
  end

def test_file_nostream
    @controller.options = { :stream => false }
    response = nil
    assert_nothing_raised { response = process('file') }
    assert_not_nil response
    assert_kind_of String, response.body
    assert_equal file_data, response.body
  end

def test_file_stream
    response = nil
    assert_nothing_raised { response = process('file') }
    assert_not_nil response
    assert_kind_of Proc, response.body

require 'stringio'
    output = StringIO.new
    output.binmode
    output.string.force_encoding(file_data.encoding) if output.string.respond_to?(:force_encoding)
    assert_nothing_raised { response.body.call(response, output) }
    assert_equal file_data, output.string
  end

def test_file_url_based_filename
    @controller.options = { :url_based_filename => true }
    response = nil
    assert_nothing_raised { response = process('file') }
    assert_not_nil response
    assert_equal "attachment", response.headers["Content-Disposition"]
  end

def test_x_sendfile_header
    @controller.options = { :x_sendfile => true }

response = nil
    assert_nothing_raised { response = process('file') }
    assert_not_nil response

assert_equal @controller.file_path, response.headers['X-Sendfile']
    assert response.body.blank?
    assert !response.etag?, response.headers.inspect
  end

def test_data
    response = nil
    assert_nothing_raised { response = process('data') }
    assert_not_nil response

assert_kind_of String, response.body
    assert_equal file_data, response.body
  end

def test_headers_after_send_shouldnt_include_charset
    response = process('data')
    assert_equal "application/octet-stream", response.content_type

response = process('file')
    assert_equal "application/octet-stream", response.content_type
  end

# Test that send_file_headers! is setting the correct HTTP headers.
  def test_send_file_headers!
    options = {
      :length => 1,
      :type => Mime::PNG,
      :disposition => 'disposition',
      :filename => 'filename'
    }

# Do it a few times: the resulting headers should be identical
    # no matter how many times you send with the same options.
    # Test resolving Ticket #458.
    @controller.headers = {}
    @controller.send(:send_file_headers!, options)
    @controller.send(:send_file_headers!, options)
    @controller.send(:send_file_headers!, options)

h = @controller.headers
    assert_equal '1', h['Content-Length']
    assert_equal 'image/png', h['Content-Type']
    assert_equal 'disposition; filename="filename"', h['Content-Disposition']
    assert_equal 'binary', h['Content-Transfer-Encoding']

# test overriding Cache-Control: no-cache header to fix IE open/save dialog
    @controller.headers = { 'Cache-Control' => 'no-cache' }
    @controller.send(:send_file_headers!, options)
    h = @controller.headers
    assert_equal 'private', h['Cache-Control']
  end

def test_send_file_headers_with_mime_lookup_with_symbol
    options = {
      :length => 1,
      :type => :png
    }

@controller.headers = {}
    @controller.send(:send_file_headers!, options)

headers = @controller.headers

assert_equal 'image/png', headers['Content-Type']
  end

def test_send_file_headers_with_bad_symbol
    options = {
      :length => 1,
      :type => :this_type_is_not_registered
    }

@controller.headers = {}
    assert_raise(ArgumentError){ @controller.send(:send_file_headers!, options) }
  end

%w(file data).each do |method|
    define_method "test_send_#{method}_status" do
      @controller.options = { :stream => false, :status => 500 }
      assert_nothing_raised { assert_not_nil process(method) }
      assert_equal '500 Internal Server Error', @response.status
    end

define_method "test_default_send_#{method}_status" do
      @controller.options = { :stream => false }
      assert_nothing_raised { assert_not_nil process(method) }
      assert_equal ActionController::Base::DEFAULT_RENDER_STATUS_CODE, @response.status
    end
  end

def test_send_data_content_length_header
    @controller.headers = {}
    @controller.options = { :type => :text, :filename => 'file_with_utf8_text' }
    process('multibyte_text_data')
    assert_equal '29', @controller.headers['Content-Length']
  end
end

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