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import tempfile
import unittest
import lesana
from lesana import types
from . import utils
class DerivedType(types.LesanaString):
"""
A custom type
"""
name = 'derived'
class Derivative(lesana.Collection):
"""
A class serived from lesana.Collection
"""
class testDerivatives(unittest.TestCase):
def setUp(self):
self.tmpdir = tempfile.TemporaryDirectory()
utils.copytree(
'tests/data/derivative',
self.tmpdir.name,
dirs_exist_ok=True
)
self.collection = Derivative(self.tmpdir.name)
def tearDown(self):
self.tmpdir.cleanup()
def test_load_subclasses(self):
self.assertIsInstance(self.collection.fields['unknown'], DerivedType)
if __name__ == '__main__':
unittest.main()
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