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import copy
import unittest
import warlock
fixture = {
'name': 'Country',
'properties': {
'name': {'type': 'string'},
'population': {'type': 'integer'},
},
'additionalProperties': False,
}
complex_fixture = {
'name': 'Mixmaster',
'properties': {
'sub': {'type': 'object',
'properties': {'foo': {'type': 'string'}}}
},
}
class TestCore(unittest.TestCase):
def test_create_invalid_object(self):
Country = warlock.model_factory(fixture)
self.assertRaises(ValueError, Country, name=1)
def test_class_name_from_unicode_schema_name(self):
fixture_copy = copy.deepcopy(fixture)
fixture_copy['name'] = unicode(fixture_copy['name'])
# Can't set class.__name__ to a unicode object, ensure warlock
# does some magic to make it possible
warlock.model_factory(fixture_copy)
def test_invalid_operations(self):
Country = warlock.model_factory(fixture)
sweden = Country(name='Sweden', population=9379116)
# Ensure a valid object was created
self.assertEqual(sweden.name, 'Sweden')
self.assertEqual(sweden.population, 9379116)
# Specific exceptions should be raised for invalid operations
self.assertRaises(AttributeError, getattr, sweden, 'overlord')
exc = warlock.InvalidOperation
self.assertRaises(exc, setattr, sweden, 'overlord', 'Bears')
self.assertRaises(exc, setattr, sweden, 'name', 5)
self.assertRaises(exc, setattr, sweden, 'population', 'N/A')
def test_no_mask_arbitrary_properties(self):
fixture_copy = copy.deepcopy(fixture)
fixture_copy['additionalProperties'] = {'type': 'string'}
Country = warlock.model_factory(fixture_copy)
# We should still depend on the schema for validation
self.assertRaises(ValueError, Country, GDP=56956)
# But arbitrary properties should be allowed if they check out
sweden = Country(overlord='Waldon')
sweden.abbreviation = 'SE'
exc = warlock.InvalidOperation
self.assertRaises(exc, setattr, sweden, 'abbreviation', 0)
def test_items(self):
Country = warlock.model_factory(fixture)
sweden = Country(name='Sweden', population=9379116)
self.assertEqual(set(list(sweden.iteritems())),
set([('name', 'Sweden'), ('population', 9379116)]))
self.assertEqual(set(sweden.items()),
set([('name', 'Sweden'), ('population', 9379116)]))
def test_update(self):
Country = warlock.model_factory(fixture)
sweden = Country(name='Sweden', population=9379116)
exc = warlock.InvalidOperation
self.assertRaises(exc, sweden.update, {'population': 'N/A'})
self.assertRaises(exc, sweden.update, {'overloard': 'Bears'})
def test_deepcopy(self):
"""Make sure we aren't leaking references."""
Mixmaster = warlock.model_factory(complex_fixture)
mike = Mixmaster(sub={'foo': 'mike'})
self.assertEquals(mike.sub['foo'], 'mike')
mike_1 = mike.copy()
mike_1['sub']['foo'] = 'james'
self.assertEquals(mike.sub['foo'], 'mike')
mike_2 = dict(mike.iteritems())
mike_2['sub']['foo'] = 'james'
self.assertEquals(mike.sub['foo'], 'mike')
mike_2 = dict(mike.items())
mike_2['sub']['foo'] = 'james'
self.assertEquals(mike.sub['foo'], 'mike')
mike_3_sub = list(mike.itervalues())[0]
mike_3_sub['foo'] = 'james'
self.assertEquals(mike.sub['foo'], 'mike')
mike_3_sub = list(mike.values())[0]
mike_3_sub['foo'] = 'james'
self.assertEquals(mike.sub['foo'], 'mike')
def test_forbidden_methods(self):
Country = warlock.model_factory(fixture)
sweden = Country(name='Sweden', population=9379116)
exc = warlock.InvalidOperation
self.assertRaises(exc, sweden.clear)
self.assertRaises(exc, sweden.pop, 0)
self.assertRaises(exc, sweden.popitem)
self.assertRaises(exc, sweden.__delitem__, 'name')
def test_dict_syntax(self):
Country = warlock.model_factory(fixture)
sweden = Country(name='Sweden', population=9379116)
self.assertEqual(sweden['name'], 'Sweden')
sweden['name'] = 'Finland'
self.assertEqual(sweden['name'], 'Finland')
def test_changes(self):
Country = warlock.model_factory(fixture)
sweden = Country(name='Sweden', population=9379116)
self.assertEqual(sweden.changes, {})
sweden['name'] = 'Finland'
self.assertEqual(sweden.changes, {'name': 'Finland'})
sweden['name'] = 'Norway'
self.assertEqual(sweden.changes, {'name': 'Norway'})
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