def test_evolve1(self):
from edwin.models.photo import Photo
from edwin.models.metadata import OldMetadata
import os
metadata = OldMetadata(self.fname)
p = Photo(self.fname)
new_metadata = p._metadata._file
p._metadata = metadata
p._evolve()
self.assertEqual(p.visibility, 'new')
os.remove(new_metadata)
metadata['published'] = True
del metadata['version']
metadata.save()
p = Photo(self.fname)
p._metadata = metadata
p._evolve()
self.assertEqual(p.visibility, 'public')
os.remove(new_metadata)
metadata['published'] = False
del metadata['version']
metadata.save()
p = Photo(self.fname)
p._metadata = metadata
p._evolve()
self.assertEqual(p.visibility, 'private')
