def test__opposite_entities_1(self):
(nil, one) = (Str(('nil', )), Str(('one', )))
(zero, jeden, dwa) = (Str(('zero', )), Str(('jeden', )), Str(
('dwa', )))
l_tab = Strs({'0': nil, '1': one})
r_tab = Strs({0: zero, 1: jeden, 2: dwa})
pairs = (pair_.Pair('0', 1), pair_.Pair('0', 2), pair_.Pair('1', 0))
rel = junction_.Junction((l_tab, r_tab), ('opposite', 'opposite'),
pairs)
left = endpoint_.Endpoint(rel, relation_.LEFT)
right = endpoint_.Endpoint(rel, relation_.RIGHT)
self.assertEqual(len(tuple(left.opposite_entities('0'))), 2)
self.assertEqual(len(tuple(left.opposite_entities('1'))), 1)
self.assertIs(tuple(left.opposite_entities('0'))[0], jeden)
self.assertIs(tuple(left.opposite_entities('0'))[1], dwa)
self.assertIs(tuple(left.opposite_entities('1'))[0], zero)
self.assertEqual(len(tuple(right.opposite_entities(0))), 1)
self.assertEqual(len(tuple(right.opposite_entities(1))), 1)
self.assertEqual(len(tuple(right.opposite_entities(2))), 1)
self.assertIs(tuple(right.opposite_entities(0))[0], one)
self.assertIs(tuple(right.opposite_entities(1))[0], nil)
self.assertIs(tuple(right.opposite_entities(2))[0], nil)
def test__pair_1(self):
dogs, persons = (Dogs(), Persons())
rel = junction_.Junction((dogs, persons), ('owners', 'pets'))
l_pin = endpoint_.Endpoint(rel, relation_.LEFT)
r_pin = endpoint_.Endpoint(rel, relation_.RIGHT)
self.assertEqual(l_pin.pair(1, 2), pair_.Pair(1, 2))
self.assertEqual(r_pin.pair(2, 1), pair_.Pair(1, 2))
def test__opposite_table_1(self):
left = Dogs()
right = Dogs()
rel = junction_.Junction((left, right), ('parents', 'children'))
self.assertIs(
endpoint_.Endpoint(rel, relation_.LEFT).opposite_table, right)
self.assertIs(
endpoint_.Endpoint(rel, relation_.RIGHT).opposite_table, left)
def test__repr_1(self):
dogs = Dogs()
persons = Persons()
rel = junction_.Junction((dogs, persons), ('owners', 'pets'))
s = functions_.modelrefstr(rel)
self.assertEqual(repr(endpoint_.Endpoint(rel, relation_.LEFT)),
'Endpoint(relation=%s,side=LEFT)' % s)
self.assertEqual(repr(endpoint_.Endpoint(rel, relation_.RIGHT)),
'Endpoint(relation=%s,side=RIGHT)' % s)
def test__opposite_records_1(self):
(nil, one) = (Str(('nil', )), Str(('one', )))
(zero, jeden, dwa) = (Str(('zero', )), Str(('jeden', )), Str(
('dwa', )))
l_tab = Strs({'0': nil, '1': one})
r_tab = Strs({0: zero, 1: jeden, 2: dwa})
pairs = (pair_.Pair('0', 1), pair_.Pair('0', 2), pair_.Pair('1', 0))
rel = junction_.Junction((l_tab, r_tab), ('opposite', 'opposite'),
pairs)
left = endpoint_.Endpoint(rel, relation_.LEFT)
right = endpoint_.Endpoint(rel, relation_.RIGHT)
lo = {
'0': tuple(left.opposite_records('0')),
'1': tuple(left.opposite_records('1'))
}
ro = {
0: tuple(right.opposite_records(0)),
1: tuple(right.opposite_records(1)),
2: tuple(right.opposite_records(2))
}
self.assertEqual(len(lo['0']), 2)
self.assertEqual(len(lo['1']), 1)
self.assertIsInstance(lo['0'][0], StrRec)
self.assertIsInstance(lo['0'][1], StrRec)
self.assertIsInstance(lo['1'][0], StrRec)
self.assertEqual(lo['0'][0], StrRec(jeden, r_tab, 1))
self.assertEqual(lo['0'][1], StrRec(dwa, r_tab, 2))
self.assertEqual(lo['1'][0], StrRec(zero, r_tab, 0))
self.assertIs(lo['0'][0].table, r_tab)
self.assertIs(lo['0'][1].table, r_tab)
self.assertIs(lo['1'][0].table, r_tab)
self.assertEqual(lo['0'][0].id, 1)
self.assertEqual(lo['0'][1].id, 2)
self.assertEqual(lo['1'][0].id, 0)
self.assertEqual(len(ro[0]), 1)
self.assertEqual(len(ro[1]), 1)
self.assertEqual(len(ro[2]), 1)
self.assertIsInstance(ro[0][0], StrRec)
self.assertIsInstance(ro[1][0], StrRec)
self.assertIsInstance(ro[2][0], StrRec)
self.assertEqual(ro[0][0], StrRec(one, l_tab, 1))
self.assertEqual(ro[1][0], StrRec(nil, l_tab, 0))
self.assertEqual(ro[2][0], StrRec(nil, l_tab, 0))
self.assertIs(ro[0][0].table, l_tab)
self.assertIs(ro[1][0].table, l_tab)
self.assertIs(ro[2][0].table, l_tab)
self.assertIs(ro[0][0].id, '1')
self.assertIs(ro[1][0].id, '0')
self.assertIs(ro[2][0].id, '0')
def test__init_1(self):
dogs = Dogs()
persons = Persons()
rel = junction_.Junction((dogs, persons), ('owners', 'pets'))
l_pin = endpoint_.Endpoint(rel, relation_.LEFT)
r_pin = endpoint_.Endpoint(rel, relation_.RIGHT)
self.assertIs(l_pin.relation, rel)
self.assertIs(r_pin.relation, rel)
self.assertIs(l_pin.side, relation_.LEFT)
self.assertIs(r_pin.side, relation_.RIGHT)
def test__init_2(self):
dogs = Dogs()
persons = Persons()
rel = junction_.Junction((dogs, persons), ('owners', 'pets'))
with self.assertRaisesRegex(
TypeError, '%s is not an instance of %s' %
(repr('foo'), repr(relation_.Relation))):
endpoint_.Endpoint('foo', relation_.LEFT)
with self.assertRaisesRegex(
ValueError, '%s is neither LEFT nor RIGHT' % repr('foo')):
endpoint_.Endpoint(rel, 'foo')
def test__opposite_keys_1(self):
dogs = Dogs()
persons = Persons()
pairs = (pair_.Pair('0', 1), pair_.Pair('0', 2), pair_.Pair('1', 0))
rel = junction_.Junction((dogs, persons), ('owners', 'pets'), pairs)
left = endpoint_.Endpoint(rel, relation_.LEFT)
right = endpoint_.Endpoint(rel, relation_.RIGHT)
self.assertEqual(tuple(left.opposite_keys('0')), (1, 2))
self.assertEqual(tuple(left.opposite_keys('1')), (0, ))
self.assertEqual(tuple(right.opposite_keys(0)), ('1', ))
self.assertEqual(tuple(right.opposite_keys(1)), ('0', ))
self.assertEqual(tuple(right.opposite_keys(2)), ('0', ))
self.assertEqual(tuple(left.opposite_keys('2')), ())
def test__opposite_side_1(self):
dogs = Dogs()
persons = Persons()
rel = junction_.Junction((dogs, persons), ('owners', 'pets'))
pin = endpoint_.Endpoint(rel, relation_.LEFT)
self.assertIs(pin.opposite_side, relation_.RIGHT)
pin.side = relation_.RIGHT
self.assertIs(pin.opposite_side, relation_.LEFT)
with self.assertRaisesRegex(AttributeError, r"can't set attribute"):
pin.opposite_side = relation_.LEFT
def test__side_1(self):
dogs = Dogs()
persons = Persons()
rel = junction_.Junction((dogs, persons), ('owners', 'pets'))
pin = endpoint_.Endpoint(rel, relation_.LEFT)
self.assertIs(pin.side, relation_.LEFT)
pin.side = relation_.RIGHT
self.assertIs(pin.side, relation_.RIGHT)
with self.assertRaisesRegex(
ValueError, '%s is neither LEFT nor RIGHT' % repr('foo')):
pin.side = 'foo'
def test__relation_1(self):
dogs = Dogs()
persons = Persons()
rel1 = junction_.Junction((dogs, persons), ('owners', 'pets'))
rel2 = junction_.Junction((dogs, persons), ('sellers', 'sold'))
pin = endpoint_.Endpoint(rel1, relation_.LEFT)
self.assertIs(pin.relation, rel1)
pin.relation = rel2
self.assertIs(pin.relation, rel2)
with self.assertRaisesRegex(
TypeError, '%s is not an instance of %s' %
(repr('foo'), repr(relation_.Relation))):
pin.relation = 'foo'
