Checkout of Instiki Trunk 1/21/2007.

vendor/rails/actionpack/test/controller/send_file_test.rb

@@ -0,0 +1,109 @@
+require File.join(File.dirname(__FILE__), '..', 'abstract_unit')
+
+
+module TestFileUtils
+  def file_name() File.basename(__FILE__) end
+  def file_path() File.expand_path(__FILE__) end
+  def file_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 rescue_action(e) raise end
+end
+
+SendFileController.template_root = File.dirname(__FILE__) + "/../fixtures/"
+
+class SendFileTest < Test::Unit::TestCase
+  include TestFileUtils
+
+  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
+    assert_nothing_raised { response.body.call(response, output) }
+    assert_equal file_data, output.string
+  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
+
+  # Test that send_file_headers! is setting the correct HTTP headers.
+  def test_send_file_headers!
+    options = {
+      :length => 1,
+      :type => 'type',
+      :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 'type', 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
+
+  %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', @controller.headers['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, @controller.headers['Status']
+    end
+  end
+end