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|
import pytest
import sqlalchemy as sa
from sqlalchemy_utils import IntRangeType
from sqlalchemy_utils.compat import _select_args, get_scalar_subquery
intervals = None
inf = -1
try:
import intervals
from infinity import inf
except ImportError:
pass
@pytest.fixture
def Building(Base):
class Building(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
return Building
@pytest.fixture
def init_models(Building):
pass
@pytest.fixture
def create_building(session, Building):
def create_building(number_range):
building = Building(
persons_at_night=number_range
)
session.add(building)
session.commit()
return session.query(Building).first()
return create_building
@pytest.mark.skipif('intervals is None')
class NumberRangeTestCase:
def test_nullify_range(self, create_building):
building = create_building(None)
assert building.persons_at_night is None
def test_update_with_none(self, session, create_building):
interval = intervals.IntInterval([None, None])
building = create_building(interval)
building.persons_at_night = None
assert building.persons_at_night is None
session.commit()
assert building.persons_at_night is None
@pytest.mark.parametrize(
'number_range',
(
[1, 3],
(0, 4),
)
)
def test_save_number_range(self, create_building, number_range):
building = create_building(number_range)
assert building.persons_at_night.lower == 1
assert building.persons_at_night.upper == 3
def test_infinite_upper_bound(self, create_building):
building = create_building([1, inf])
assert building.persons_at_night.lower == 1
assert building.persons_at_night.upper == inf
def test_infinite_lower_bound(self, create_building):
building = create_building([-inf, 1])
assert building.persons_at_night.lower == -inf
assert building.persons_at_night.upper == 1
def test_nullify_number_range(self, session, Building):
building = Building(
persons_at_night=intervals.IntInterval([1, 3])
)
session.add(building)
session.commit()
building = session.query(Building).first()
building.persons_at_night = None
session.commit()
building = session.query(Building).first()
assert building.persons_at_night is None
def test_integer_coercion(self, Building):
building = Building(persons_at_night=15)
assert building.persons_at_night.lower == 15
assert building.persons_at_night.upper == 15
def test_compilation(self, session, Building):
query = sa.select(*_select_args(Building.persons_at_night))
# the type should be cacheable and not throw exception
session.execute(query)
@pytest.mark.usefixtures('postgresql_dsn')
class TestIntRangeTypeOnPostgres(NumberRangeTestCase):
@pytest.mark.parametrize(
'number_range',
(
[1, 3],
(0, 4)
)
)
def test_eq_operator(
self,
session,
Building,
create_building,
number_range
):
create_building([1, 3])
query = (
session.query(Building)
.filter(Building.persons_at_night == number_range)
)
assert query.count()
@pytest.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,
session,
Building,
create_building,
number_range,
length
):
create_building(number_range)
query = (
session.query(Building.persons_at_night.length)
)
assert query.scalar() == length
@pytest.mark.parametrize(
'number_range',
(
[[1, 3]],
[(0, 4)],
)
)
def test_in_operator(
self,
session,
Building,
create_building,
number_range
):
create_building([1, 3])
query = (
session.query(Building)
.filter(Building.persons_at_night.in_(number_range))
)
assert query.count()
@pytest.mark.parametrize(
'number_range',
(
[1, 3],
(0, 4),
)
)
def test_rshift_operator(
self,
session,
Building,
create_building,
number_range
):
create_building([5, 6])
query = (
session.query(Building)
.filter(Building.persons_at_night >> number_range)
)
assert query.count()
@pytest.mark.parametrize(
'number_range',
(
[1, 3],
(0, 4),
)
)
def test_lshift_operator(
self,
session,
Building,
create_building,
number_range
):
create_building([-1, 0])
query = (
session.query(Building)
.filter(Building.persons_at_night << number_range)
)
assert query.count()
@pytest.mark.parametrize(
'number_range',
(
[1, 3],
(1, 3),
2
)
)
def test_contains_operator(
self,
session,
Building,
create_building,
number_range
):
create_building([1, 3])
query = (
session.query(Building)
.filter(Building.persons_at_night.contains(number_range))
)
assert query.count()
@pytest.mark.parametrize(
'number_range',
(
[1, 3],
(0, 8),
(-inf, inf)
)
)
def test_contained_by_operator(
self,
session,
Building,
create_building,
number_range
):
create_building([1, 3])
query = (
session.query(Building)
.filter(Building.persons_at_night.contained_by(number_range))
)
assert query.count()
@pytest.mark.parametrize(
'number_range',
(
[2, 5],
0
)
)
def test_not_in_operator(
self,
session,
Building,
create_building,
number_range
):
create_building([1, 3])
query = (
session.query(Building)
.filter(~ Building.persons_at_night.in_([number_range]))
)
assert query.count()
def test_eq_with_query_arg(self, session, Building, create_building):
create_building([1, 3])
query = (
session.query(Building)
.filter(
Building.persons_at_night ==
get_scalar_subquery(session.query(Building.persons_at_night))
).order_by(Building.persons_at_night).limit(1)
)
assert query.count()
@pytest.mark.parametrize(
'number_range',
(
[1, 2],
(0, 4),
[0, 3],
0,
1,
)
)
def test_ge_operator(
self,
session,
Building,
create_building,
number_range
):
create_building([1, 3])
query = (
session.query(Building)
.filter(Building.persons_at_night >= number_range)
)
assert query.count()
@pytest.mark.parametrize(
'number_range',
(
[0, 2],
0,
[-inf, 2]
)
)
def test_gt_operator(
self,
session,
Building,
create_building,
number_range
):
create_building([1, 3])
query = (
session.query(Building)
.filter(Building.persons_at_night > number_range)
)
assert query.count()
@pytest.mark.parametrize(
'number_range',
(
[1, 4],
4,
[2, inf]
)
)
def test_le_operator(
self,
session,
Building,
create_building,
number_range
):
create_building([1, 3])
query = (
session.query(Building)
.filter(Building.persons_at_night <= number_range)
)
assert query.count()
@pytest.mark.parametrize(
'number_range',
(
[2, 4],
4,
[1, inf]
)
)
def test_lt_operator(
self,
session,
Building,
create_building,
number_range
):
create_building([1, 3])
query = (
session.query(Building)
.filter(Building.persons_at_night < number_range)
)
assert query.count()
def test_literal_param(self, session, Building):
clause = Building.persons_at_night == [1, 3]
compiled = str(clause.compile(compile_kwargs={'literal_binds': True}))
assert compiled == "building.persons_at_night = '[1, 3]'"
class TestNumberRangeTypeOnSqlite(NumberRangeTestCase):
pass
|
