1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
|
from sqlalchemy.testing import fixtures, is_true, is_false
from sqlalchemy import MetaData, Table, Column, Integer
from sqlalchemy import and_, or_
from sqlalchemy.sql.elements import ClauseList
from sqlalchemy.sql import operators
class CompareClausesTest(fixtures.TestBase):
def setup(self):
m = MetaData()
self.a = Table(
'a', m,
Column('x', Integer),
Column('y', Integer)
)
self.b = Table(
'b', m,
Column('y', Integer),
Column('z', Integer)
)
def test_compare_clauselist_associative(self):
l1 = and_(
self.a.c.x == self.b.c.y,
self.a.c.y == self.b.c.z
)
l2 = and_(
self.a.c.y == self.b.c.z,
self.a.c.x == self.b.c.y,
)
l3 = and_(
self.a.c.x == self.b.c.z,
self.a.c.y == self.b.c.y
)
is_true(l1.compare(l1))
is_true(l1.compare(l2))
is_false(l1.compare(l3))
def test_compare_clauselist_not_associative(self):
l1 = ClauseList(
self.a.c.x, self.a.c.y, self.b.c.y, operator=operators.sub)
l2 = ClauseList(
self.b.c.y, self.a.c.x, self.a.c.y, operator=operators.sub)
is_true(l1.compare(l1))
is_false(l1.compare(l2))
def test_compare_clauselist_assoc_different_operator(self):
l1 = and_(
self.a.c.x == self.b.c.y,
self.a.c.y == self.b.c.z
)
l2 = or_(
self.a.c.y == self.b.c.z,
self.a.c.x == self.b.c.y,
)
is_false(l1.compare(l2))
def test_compare_clauselist_not_assoc_different_operator(self):
l1 = ClauseList(
self.a.c.x, self.a.c.y, self.b.c.y, operator=operators.sub)
l2 = ClauseList(
self.a.c.x, self.a.c.y, self.b.c.y, operator=operators.div)
is_false(l1.compare(l2))
|
