Where I practicing Unit Test

• URL

1. Execute "Load Image Feed" command with above data.
2. System downloads data from the URL.
3. System validates downloaded data.
4. System creates image feed from valid data.
5. System delivers image feed.

1. System delivers invalid data error.

1. System delivers connectivity error.

1. Execute "Load Image Feed" command with above data.
2. System retrieves feed data from cache.
3. System validates cache is less than seven days old.
4. System creates image feed from cached data.
5. System delivers image feed.

1. System deletes cache.
2. System delivers error.

1. System deletes cache.
2. System delivers no feed images

1. System deliver no feed images.

• Image Feed

1. Execute "Save image Feed" command with above data.
2. System delete old cache data.
3. System encodes image feed.
4. System timestamps the new cache.
5. System saves new cache data.
6. System delivers success message.

1. System delivers error.

1.System delivers error.