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|
import sqlalchemy as sa
from pytest import mark
from sqlalchemy_utils import IntRangeType
from tests import TestCase
intervals = None
inf = -1
try:
import intervals
from infinity import inf
except ImportError:
pass
@mark.skipif('intervals is None')
class NumberRangeTestCase(TestCase):
def create_models(self):
class Building(self.Base):
__tablename__ = 'building'
id = sa.Column(sa.Integer, primary_key=True)
persons_at_night = sa.Column(IntRangeType)
def __repr__(self):
return 'Building(%r)' % self.id
self.Building = Building
def create_building(self, number_range):
building = self.Building(
persons_at_night=number_range
)
self.session.add(building)
self.session.commit()
return self.session.query(self.Building).first()
def test_nullify_range(self):
building = self.create_building(None)
assert building.persons_at_night is None
def test_update_with_none(self):
interval = intervals.IntInterval('(,)')
building = self.create_building(interval)
building.persons_at_night = None
assert building.persons_at_night is None
self.session.commit()
assert building.persons_at_night is None
@mark.parametrize(
'number_range',
(
[1, 3],
'1 - 3',
)
)
def test_save_number_range(self, number_range):
building = self.create_building(number_range)
assert building.persons_at_night.lower == 1
assert building.persons_at_night.upper == 3
def test_infinite_upper_bound(self):
building = self.create_building([1, inf])
assert building.persons_at_night.lower == 1
assert building.persons_at_night.upper == inf
def test_infinite_lower_bound(self):
building = self.create_building([-inf, 1])
assert building.persons_at_night.lower == -inf
assert building.persons_at_night.upper == 1
def test_nullify_number_range(self):
building = self.Building(
persons_at_night=intervals.IntInterval([1, 3])
)
self.session.add(building)
self.session.commit()
building = self.session.query(self.Building).first()
building.persons_at_night = None
self.session.commit()
building = self.session.query(self.Building).first()
assert building.persons_at_night is None
def test_string_coercion(self):
building = self.Building(persons_at_night='[12, 18]')
assert isinstance(building.persons_at_night, intervals.IntInterval)
def test_integer_coercion(self):
building = self.Building(persons_at_night=15)
assert building.persons_at_night.lower == 15
assert building.persons_at_night.upper == 15
class TestIntRangeTypeOnPostgres(NumberRangeTestCase):
dns = 'postgres://postgres@localhost/sqlalchemy_utils_test'
@mark.parametrize(
'number_range',
(
[1, 3],
'1 - 3',
(0, 4)
)
)
def test_eq_operator(self, number_range):
self.create_building([1, 3])
query = (
self.session.query(self.Building)
.filter(self.Building.persons_at_night == number_range)
)
assert query.count()
@mark.parametrize(
('number_range', 'length'),
(
([1, 3], 2),
([1, 1], 0),
([-1, 1], 2),
([-inf, 1], None),
([0, inf], None),
([0, 0], 0),
([-3, -1], 2)
)
)
def test_length(self, number_range, length):
self.create_building(number_range)
query = (
self.session.query(self.Building.persons_at_night.length)
)
assert query.scalar() == length
@mark.parametrize(
'number_range',
(
[[1, 3]],
['1 - 3'],
[(0, 4)],
)
)
def test_in_operator(self, number_range):
self.create_building([1, 3])
query = (
self.session.query(self.Building)
.filter(self.Building.persons_at_night.in_(number_range))
)
assert query.count()
@mark.parametrize(
'number_range',
(
[1, 3],
'1 - 3',
(0, 4),
)
)
def test_rshift_operator(self, number_range):
self.create_building([5, 6])
query = (
self.session.query(self.Building)
.filter(self.Building.persons_at_night >> number_range)
)
assert query.count()
@mark.parametrize(
'number_range',
(
[1, 3],
'1 - 3',
(0, 4),
)
)
def test_lshift_operator(self, number_range):
self.create_building([-1, 0])
query = (
self.session.query(self.Building)
.filter(self.Building.persons_at_night << number_range)
)
assert query.count()
@mark.parametrize(
'number_range',
(
[1, 3],
'1 - 3',
(1, 3),
2
)
)
def test_contains_operator(self, number_range):
self.create_building([1, 3])
query = (
self.session.query(self.Building)
.filter(self.Building.persons_at_night.contains(number_range))
)
assert query.count()
@mark.parametrize(
'number_range',
(
[1, 3],
'1 - 3',
(0, 8),
(-inf, inf)
)
)
def test_contained_by_operator(self, number_range):
self.create_building([1, 3])
query = (
self.session.query(self.Building)
.filter(self.Building.persons_at_night.contained_by(number_range))
)
assert query.count()
@mark.parametrize(
'number_range',
(
[2, 5],
'0 - 2',
0
)
)
def test_not_in_operator(self, number_range):
self.create_building([1, 3])
query = (
self.session.query(self.Building)
.filter(~ self.Building.persons_at_night.in_([number_range]))
)
assert query.count()
def test_eq_with_query_arg(self):
self.create_building([1, 3])
query = (
self.session.query(self.Building)
.filter(
self.Building.persons_at_night ==
self.session.query(
self.Building.persons_at_night)
).order_by(self.Building.persons_at_night).limit(1)
)
assert query.count()
@mark.parametrize(
'number_range',
(
[1, 2],
'1 - 3',
(0, 4),
[0, 3],
0,
1,
)
)
def test_ge_operator(self, number_range):
self.create_building([1, 3])
query = (
self.session.query(self.Building)
.filter(self.Building.persons_at_night >= number_range)
)
assert query.count()
@mark.parametrize(
'number_range',
(
[0, 2],
0,
[-inf, 2]
)
)
def test_gt_operator(self, number_range):
self.create_building([1, 3])
query = (
self.session.query(self.Building)
.filter(self.Building.persons_at_night > number_range)
)
assert query.count()
@mark.parametrize(
'number_range',
(
[1, 4],
4,
[2, inf]
)
)
def test_le_operator(self, number_range):
self.create_building([1, 3])
query = (
self.session.query(self.Building)
.filter(self.Building.persons_at_night <= number_range)
)
assert query.count()
@mark.parametrize(
'number_range',
(
[2, 4],
4,
[1, inf]
)
)
def test_lt_operator(self, number_range):
self.create_building([1, 3])
query = (
self.session.query(self.Building)
.filter(self.Building.persons_at_night < number_range)
)
assert query.count()
class TestNumberRangeTypeOnSqlite(NumberRangeTestCase):
pass
|
