/usr/lib/python2.7/dist-packages/sql/tests/test_operators.py is in python-sql 0.4-2.
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#
# Copyright (c) 2011-2013, Cédric Krier
# Copyright (c) 2011-2013, B2CK
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# * Neither the name of the <organization> nor the
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import unittest
import warnings
from array import array
from sql import Table, Literal, Null, Flavor
from sql.operators import (And, Or, Not, Neg, Pos, Less, Greater, LessEqual,
GreaterEqual, Equal, NotEqual, Sub, Mul, Div, Mod, Pow, Abs, LShift,
RShift, Like, NotLike, ILike, NotILike, In, NotIn, FloorDiv, Exists)
class TestOperators(unittest.TestCase):
table = Table('t')
def test_and(self):
for and_ in [And((self.table.c1, self.table.c2)),
self.table.c1 & self.table.c2]:
self.assertEqual(str(and_), '("c1" AND "c2")')
self.assertEqual(and_.params, ())
and_ = And((Literal(True), self.table.c2))
self.assertEqual(str(and_), '(%s AND "c2")')
self.assertEqual(and_.params, (True,))
def test_operator_operators(self):
and_ = And((Literal(True), self.table.c1))
and2 = and_ & And((Literal(True), self.table.c2))
self.assertEqual(str(and2), '((%s AND "c1") AND %s AND "c2")')
self.assertEqual(and2.params, (True, True))
and3 = and_ & Literal(True)
self.assertEqual(str(and3), '((%s AND "c1") AND %s)')
self.assertEqual(and3.params, (True, True))
or_ = Or((Literal(True), self.table.c1))
or2 = or_ | Or((Literal(True), self.table.c2))
self.assertEqual(str(or2), '((%s OR "c1") OR %s OR "c2")')
self.assertEqual(or2.params, (True, True))
or3 = or_ | Literal(True)
self.assertEqual(str(or3), '((%s OR "c1") OR %s)')
self.assertEqual(or3.params, (True, True))
def test_operator_compat_column(self):
and_ = And((self.table.c1, self.table.c2))
self.assertEqual(and_.table, '')
self.assertEqual(and_.name, '')
def test_or(self):
for or_ in [Or((self.table.c1, self.table.c2)),
self.table.c1 | self.table.c2]:
self.assertEqual(str(or_), '("c1" OR "c2")')
self.assertEqual(or_.params, ())
def test_not(self):
for not_ in [Not(self.table.c), ~self.table.c]:
self.assertEqual(str(not_), '(NOT "c")')
self.assertEqual(not_.params, ())
not_ = Not(Literal(False))
self.assertEqual(str(not_), '(NOT %s)')
self.assertEqual(not_.params, (False,))
def test_neg(self):
for neg in [Neg(self.table.c1), -self.table.c1]:
self.assertEqual(str(neg), '(- "c1")')
self.assertEqual(neg.params, ())
def test_pos(self):
for pos in [Pos(self.table.c1), +self.table.c1]:
self.assertEqual(str(pos), '(+ "c1")')
self.assertEqual(pos.params, ())
def test_less(self):
for less in [Less(self.table.c1, self.table.c2),
self.table.c1 < self.table.c2,
~GreaterEqual(self.table.c1, self.table.c2)]:
self.assertEqual(str(less), '("c1" < "c2")')
self.assertEqual(less.params, ())
less = Less(Literal(0), self.table.c2)
self.assertEqual(str(less), '(%s < "c2")')
self.assertEqual(less.params, (0,))
def test_greater(self):
for greater in [Greater(self.table.c1, self.table.c2),
self.table.c1 > self.table.c2,
~LessEqual(self.table.c1, self.table.c2)]:
self.assertEqual(str(greater), '("c1" > "c2")')
self.assertEqual(greater.params, ())
def test_less_equal(self):
for less in [LessEqual(self.table.c1, self.table.c2),
self.table.c1 <= self.table.c2,
~Greater(self.table.c1, self.table.c2)]:
self.assertEqual(str(less), '("c1" <= "c2")')
self.assertEqual(less.params, ())
def test_greater_equal(self):
for greater in [GreaterEqual(self.table.c1, self.table.c2),
self.table.c1 >= self.table.c2,
~Less(self.table.c1, self.table.c2)]:
self.assertEqual(str(greater), '("c1" >= "c2")')
self.assertEqual(greater.params, ())
def test_equal(self):
for equal in [Equal(self.table.c1, self.table.c2),
self.table.c1 == self.table.c2,
~NotEqual(self.table.c1, self.table.c2)]:
self.assertEqual(str(equal), '("c1" = "c2")')
self.assertEqual(equal.params, ())
equal = Equal(Literal('foo'), Literal('bar'))
self.assertEqual(str(equal), '(%s = %s)')
self.assertEqual(equal.params, ('foo', 'bar'))
equal = Equal(self.table.c1, Null)
self.assertEqual(str(equal), '("c1" IS NULL)')
self.assertEqual(equal.params, ())
equal = Equal(Literal('test'), Null)
self.assertEqual(str(equal), '(%s IS NULL)')
self.assertEqual(equal.params, ('test',))
equal = Equal(Null, self.table.c1)
self.assertEqual(str(equal), '("c1" IS NULL)')
self.assertEqual(equal.params, ())
equal = Equal(Null, Literal('test'))
self.assertEqual(str(equal), '(%s IS NULL)')
self.assertEqual(equal.params, ('test',))
def test_not_equal(self):
for equal in [NotEqual(self.table.c1, self.table.c2),
self.table.c1 != self.table.c2,
~Equal(self.table.c1, self.table.c2)]:
self.assertEqual(str(equal), '("c1" != "c2")')
self.assertEqual(equal.params, ())
equal = NotEqual(self.table.c1, Null)
self.assertEqual(str(equal), '("c1" IS NOT NULL)')
self.assertEqual(equal.params, ())
equal = NotEqual(Null, self.table.c1)
self.assertEqual(str(equal), '("c1" IS NOT NULL)')
self.assertEqual(equal.params, ())
def test_sub(self):
for sub in [Sub(self.table.c1, self.table.c2),
self.table.c1 - self.table.c2]:
self.assertEqual(str(sub), '("c1" - "c2")')
self.assertEqual(sub.params, ())
def test_mul(self):
for mul in [Mul(self.table.c1, self.table.c2),
self.table.c1 * self.table.c2]:
self.assertEqual(str(mul), '("c1" * "c2")')
self.assertEqual(mul.params, ())
def test_div(self):
for div in [Div(self.table.c1, self.table.c2),
self.table.c1 / self.table.c2]:
self.assertEqual(str(div), '("c1" / "c2")')
self.assertEqual(div.params, ())
def test_mod(self):
for mod in [Mod(self.table.c1, self.table.c2),
self.table.c1 % self.table.c2]:
self.assertEqual(str(mod), '("c1" % "c2")')
self.assertEqual(mod.params, ())
def test_pow(self):
for pow_ in [Pow(self.table.c1, self.table.c2),
self.table.c1 ** self.table.c2]:
self.assertEqual(str(pow_), '("c1" ^ "c2")')
self.assertEqual(pow_.params, ())
def test_abs(self):
for abs_ in [Abs(self.table.c1), abs(self.table.c1)]:
self.assertEqual(str(abs_), '(@ "c1")')
self.assertEqual(abs_.params, ())
def test_lshift(self):
for lshift in [LShift(self.table.c1, 2),
self.table.c1 << 2]:
self.assertEqual(str(lshift), '("c1" << %s)')
self.assertEqual(lshift.params, (2,))
def test_rshift(self):
for rshift in [RShift(self.table.c1, 2),
self.table.c1 >> 2]:
self.assertEqual(str(rshift), '("c1" >> %s)')
self.assertEqual(rshift.params, (2,))
def test_like(self):
for like in [Like(self.table.c1, 'foo'),
self.table.c1.like('foo'),
~NotLike(self.table.c1, 'foo'),
~~Like(self.table.c1, 'foo')]:
self.assertEqual(str(like), '("c1" LIKE %s)')
self.assertEqual(like.params, ('foo',))
def test_ilike(self):
flavor = Flavor(ilike=True)
Flavor.set(flavor)
try:
for like in [ILike(self.table.c1, 'foo'),
self.table.c1.ilike('foo'),
~NotILike(self.table.c1, 'foo')]:
self.assertEqual(str(like), '("c1" ILIKE %s)')
self.assertEqual(like.params, ('foo',))
finally:
Flavor.set(Flavor())
flavor = Flavor(ilike=False)
Flavor.set(flavor)
try:
like = ILike(self.table.c1, 'foo')
self.assertEqual(str(like), '("c1" LIKE %s)')
self.assertEqual(like.params, ('foo',))
finally:
Flavor.set(Flavor())
def test_not_ilike(self):
flavor = Flavor(ilike=True)
Flavor.set(flavor)
try:
for like in [NotILike(self.table.c1, 'foo'),
~self.table.c1.ilike('foo')]:
self.assertEqual(str(like), '("c1" NOT ILIKE %s)')
self.assertEqual(like.params, ('foo',))
finally:
Flavor.set(Flavor())
flavor = Flavor(ilike=False)
Flavor.set(flavor)
try:
like = NotILike(self.table.c1, 'foo')
self.assertEqual(str(like), '("c1" NOT LIKE %s)')
self.assertEqual(like.params, ('foo',))
finally:
Flavor.set(Flavor())
def test_in(self):
for in_ in [In(self.table.c1, [self.table.c2, 1, Null]),
~NotIn(self.table.c1, [self.table.c2, 1, Null]),
~~In(self.table.c1, [self.table.c2, 1, Null])]:
self.assertEqual(str(in_), '("c1" IN ("c2", %s, %s))')
self.assertEqual(in_.params, (1, None))
t2 = Table('t2')
in_ = In(self.table.c1, t2.select(t2.c2))
self.assertEqual(str(in_),
'("c1" IN (SELECT "a"."c2" FROM "t2" AS "a"))')
self.assertEqual(in_.params, ())
in_ = In(self.table.c1, t2.select(t2.c2) | t2.select(t2.c3))
self.assertEqual(str(in_),
'("c1" IN (SELECT "a"."c2" FROM "t2" AS "a" '
'UNION SELECT "a"."c3" FROM "t2" AS "a"))')
self.assertEqual(in_.params, ())
in_ = In(self.table.c1, array('l', range(10)))
self.assertEqual(str(in_),
'("c1" IN (%s, %s, %s, %s, %s, %s, %s, %s, %s, %s))')
self.assertEqual(in_.params, tuple(range(10)))
def test_exists(self):
exists = Exists(self.table.select(self.table.c1,
where=self.table.c1 == 1))
self.assertEqual(str(exists),
'(EXISTS (SELECT "a"."c1" FROM "t" AS "a" '
'WHERE ("a"."c1" = %s)))')
self.assertEqual(exists.params, (1,))
def test_floordiv(self):
with warnings.catch_warnings(record=True) as w:
warnings.simplefilter("always")
FloorDiv(4, 2)
self.assertEqual(len(w), 1)
self.assertTrue(issubclass(w[-1].category, DeprecationWarning))
self.assertIn('FloorDiv operator is deprecated, use Div function',
str(w[-1].message))
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