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#!/usr/bin/env python
# sugar-lint: disable
from __init__ import tests
from sugar_network import db
class MetadataTest(tests.Test):
def test_Typecast(self):
prop = db.Numeric()
self.assertEqual(1, prop.typecast(1))
self.assertEqual(1, prop.typecast(1.1))
self.assertEqual(1, prop.typecast('1'))
self.assertRaises(ValueError, prop.typecast, '1.0')
self.assertRaises(ValueError, prop.typecast, '')
self.assertRaises(TypeError, prop.typecast, None)
prop = db.Boolean()
self.assertEqual(False, prop.typecast(0))
self.assertEqual(True, prop.typecast(1))
self.assertEqual(True, prop.typecast(1.1))
self.assertEqual(True, prop.typecast('1'))
self.assertEqual(False, prop.typecast('false'))
self.assertEqual(True, prop.typecast(True))
self.assertEqual(False, prop.typecast(False))
self.assertEqual(False, prop.typecast('False'))
self.assertEqual(False, prop.typecast('0'))
self.assertEqual(False, prop.typecast(''))
self.assertEqual(False, prop.typecast(None))
prop = db.List(subtype=db.Numeric())
self.assertEqual([1], prop.typecast(1))
self.assertEqual([], prop.typecast(None))
self.assertRaises(ValueError, prop.typecast, '')
self.assertEqual([], prop.typecast([]))
self.assertEqual([123], prop.typecast('123'))
self.assertRaises(ValueError, prop.typecast, 'a')
self.assertEqual([123, 4, 5], prop.typecast(['123', 4, 5.6]))
prop = db.Enum(items=[1, 2])
self.assertRaises(ValueError, prop.typecast, 0)
self.assertRaises(TypeError, prop.typecast, None)
self.assertRaises(ValueError, prop.typecast, '')
self.assertRaises(ValueError, prop.typecast, 'A')
self.assertRaises(ValueError, prop.typecast, '3')
self.assertEqual(1, prop.typecast(1))
self.assertEqual(2, prop.typecast(2))
self.assertEqual(1, prop.typecast('1'))
prop = db.List()
self.assertEqual([], prop.typecast(None))
self.assertEqual([''], prop.typecast(''))
self.assertEqual([''], prop.typecast(['']))
self.assertEqual([], prop.typecast([]))
self.assertEqual([0], prop.typecast(0))
self.assertEqual([''], prop.typecast(''))
self.assertEqual(['foo'], prop.typecast('foo'))
prop = db.List(subtype=db.Enum(['A', 'B', 'C']))
self.assertRaises(ValueError, prop.typecast, '')
self.assertRaises(ValueError, prop.typecast, [''])
self.assertEqual([], prop.typecast([]))
self.assertEqual(['A', 'B', 'C'], prop.typecast(['A', 'B', 'C']))
self.assertRaises(ValueError, prop.typecast, ['a'])
self.assertRaises(ValueError, prop.typecast, ['A', 'x'])
if __name__ == '__main__':
tests.main()
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