different output preview dimension from oc10 backend

[kiranparajuli589]

Describe the bug

When a request for a thumbnail is made with the dimensions x=1,y=32 then

• In oC10 server responds with an image 1px wide and 32px high
• In ocis, the larger value from the two dimensions is taken to recalculate the smaller dimension to match the original aspect ratio.

Setup

export ACCOUNTS_HASH_DIFFICULTY=4
export OCIS_URL='https://localhost:9200'
export STORAGE_HOME_DRIVER='owncloud'
export STORAGE_USERS_DRIVER='owncloud'
export STORAGE_DRIVER_OCIS_ROOT='/tmp/ocis/storage/users'
export STORAGE_DRIVER_LOCAL_ROOT='/tmp/ocis/local/root'
export STORAGE_DRIVER_OWNCLOUD_DATADIR='/tmp/ocis/owncloud/data'
export STORAGE_METADATA_ROOT='/tmp/ocis/metadata'
export STORAGE_HOME_DATA_SERVER_URL='http://localhost:9155/data'
export STORAGE_USERS_DATA_SERVER_URL='http://localhost:9158/data'
export WEB_UI_CONFIG=$HOME/www/ocConfigs/ocis-config.json
export WEB_ASSET_PATH=$HOME/www/web/dist
export IDP_IDENTIFIER_REGISTRATION_CONF=$HOME/www/ocConfigs/idp.yml
export PROXY_ENABLE_BASIC_AUTH=True
export OCIS_LOG_LEVEL='warn'
export ACCOUNTS_DATA_PATH="/tmp/ocis-accounts/"
export SETTINGS_DATA_PATH="/tmp/ocis/settings"
export STORAGE_SHARING_USER_JSON_FILE="/tmp/ocis/shares.json"
export STORAGE_DRIVER_OWNCLOUD_REDIS_ADDR='localhost:6379'

BRANCH=master

[individual-it]

@refs please close this issue if the behaviour is correct is ocis

[individual-it]

• ToDo QA:Team : if this turns out to be the correct behaviour the tests of [Tests-Only] Added conflicting previews tests #2075 need to be moved out of the bugdemonstration folder

[refs]

IIRC, @C0rby , this is the expected behavior in oCIS, right? (https://github.com/owncloud/ocis/blob/master/thumbnails/pkg/thumbnail/resolutions_test.go#L67-L80)

[micbar]

The ocis thumbnailer has now more features. Closing here.