Bo-Yi Wu fa2a513c62 feat: add download count field and unit testing for attachment. (#1512)
* feat: add download count field and unit testing.

* fix: unit testing

* refactor: improve testing.

* fix: update comment

* add default value.

Signed-off-by: Bo-Yi Wu <appleboy.tw@gmail.com>
2017-04-20 10:31:31 +08:00
..
2017-02-02 15:24:18 +01:00