Auto-detect attachment content type when blank (#3782).

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@3258 e93f8b46-1217-0410-a6f0-8f06a7374b81

test/functional/attachments_controller_test.rb

@@ -84,6 +84,14 @@ class AttachmentsControllerTest < ActionController::TestCase
     assert_equal 'application/x-ruby', @response.content_type
   end
   
+  def test_download_should_assign_content_type_if_blank
+    Attachment.find(4).update_attribute(:content_type, '')
+    
+    get :download, :id => 4
+    assert_response :success
+    assert_equal 'text/x-ruby', @response.content_type
+  end
+  
   def test_download_missing_file
     get :download, :id => 2
     assert_response 404

test/unit/attachment_test.rb

@@ -38,6 +38,14 @@ class AttachmentTest < ActiveSupport::TestCase
     assert File.exist?(a.diskfile)
   end
   
+  def test_create_should_auto_assign_content_type
+    a = Attachment.new(:container => Issue.find(1),
+                       :file => uploaded_test_file("testfile.txt", ""),
+                       :author => User.find(1))
+    assert a.save
+    assert_equal 'text/plain', a.content_type
+  end
+  
   def test_diskfilename
     assert Attachment.disk_filename("test_file.txt") =~ /^\d{12}_test_file.txt$/
     assert_equal 'test_file.txt', Attachment.disk_filename("test_file.txt")[13..-1]