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|
import sqlalchemy as sa
from pytest import mark
from sqlalchemy import create_engine
from sqlalchemy.ext.declarative import declarative_base
from sqlalchemy.orm import sessionmaker
from sqlalchemy_utils import (
CompositeArray,
CompositeType,
Currency,
CurrencyType,
i18n,
NumericRangeType,
register_composites,
remove_composite_listeners
)
from sqlalchemy_utils.types import pg_composite
from sqlalchemy_utils.types.range import intervals
from tests import TestCase
class TestCompositeTypeWithRegularTypes(TestCase):
dns = 'postgres://postgres@localhost/sqlalchemy_utils_test'
def create_models(self):
class Account(self.Base):
__tablename__ = 'account'
id = sa.Column(sa.Integer, primary_key=True)
balance = sa.Column(
CompositeType(
'money_type',
[
sa.Column('currency', sa.String),
sa.Column('amount', sa.Integer)
]
)
)
self.Account = Account
def test_parameter_processing(self):
account = self.Account(
balance=('USD', 15)
)
self.session.add(account)
self.session.commit()
account = self.session.query(self.Account).first()
assert account.balance.currency == 'USD'
assert account.balance.amount == 15
@mark.skipif('i18n.babel is None')
class TestCompositeTypeWithTypeDecorators(TestCase):
dns = 'postgres://postgres@localhost/sqlalchemy_utils_test'
def setup_method(self, method):
TestCase.setup_method(self, method)
i18n.get_locale = lambda: i18n.babel.Locale('en')
def create_models(self):
class Account(self.Base):
__tablename__ = 'account'
id = sa.Column(sa.Integer, primary_key=True)
balance = sa.Column(
CompositeType(
'money_type',
[
sa.Column('currency', CurrencyType),
sa.Column('amount', sa.Integer)
]
)
)
self.Account = Account
def test_result_set_processing(self):
account = self.Account(
balance=('USD', 15)
)
self.session.add(account)
self.session.commit()
account = self.session.query(self.Account).first()
assert account.balance.currency == Currency('USD')
assert account.balance.amount == 15
def test_parameter_processing(self):
account = self.Account(
balance=(Currency('USD'), 15)
)
self.session.add(account)
self.session.commit()
account = self.session.query(self.Account).first()
assert account.balance.currency == Currency('USD')
assert account.balance.amount == 15
@mark.skipif('i18n.babel is None')
class TestCompositeTypeInsideArray(TestCase):
dns = 'postgres://postgres@localhost/sqlalchemy_utils_test'
def setup_method(self, method):
self.type = CompositeType(
'money_type',
[
sa.Column('currency', CurrencyType),
sa.Column('amount', sa.Integer)
]
)
TestCase.setup_method(self, method)
i18n.get_locale = lambda: i18n.babel.Locale('en')
def create_models(self):
class Account(self.Base):
__tablename__ = 'account'
id = sa.Column(sa.Integer, primary_key=True)
balances = sa.Column(
CompositeArray(self.type)
)
self.Account = Account
def test_parameter_processing(self):
account = self.Account(
balances=[
self.type.type_cls(Currency('USD'), 15),
self.type.type_cls(Currency('AUD'), 20)
]
)
self.session.add(account)
self.session.commit()
account = self.session.query(self.Account).first()
assert account.balances[0].currency == Currency('USD')
assert account.balances[0].amount == 15
assert account.balances[1].currency == Currency('AUD')
assert account.balances[1].amount == 20
@mark.skipif('intervals is None')
class TestCompositeTypeWithRangeTypeInsideArray(TestCase):
dns = 'postgres://postgres@localhost/sqlalchemy_utils_test'
def setup_method(self, method):
self.type = CompositeType(
'category',
[
sa.Column('scale', NumericRangeType),
sa.Column('name', sa.String)
]
)
TestCase.setup_method(self, method)
def create_models(self):
class Account(self.Base):
__tablename__ = 'account'
id = sa.Column(sa.Integer, primary_key=True)
categories = sa.Column(
CompositeArray(self.type)
)
self.Account = Account
def test_parameter_processing_with_named_tuple(self):
account = self.Account(
categories=[
self.type.type_cls(
intervals.DecimalInterval([15, 18]),
'bad'
),
self.type.type_cls(
intervals.DecimalInterval([18, 20]),
'good'
)
]
)
self.session.add(account)
self.session.commit()
account = self.session.query(self.Account).first()
assert (
account.categories[0].scale == intervals.DecimalInterval([15, 18])
)
assert account.categories[0].name == 'bad'
assert (
account.categories[1].scale == intervals.DecimalInterval([18, 20])
)
assert account.categories[1].name == 'good'
def test_parameter_processing_with_tuple(self):
account = self.Account(
categories=[
(intervals.DecimalInterval([15, 18]), 'bad'),
(intervals.DecimalInterval([18, 20]), 'good')
]
)
self.session.add(account)
self.session.commit()
account = self.session.query(self.Account).first()
assert (
account.categories[0].scale == intervals.DecimalInterval([15, 18])
)
assert account.categories[0].name == 'bad'
assert (
account.categories[1].scale == intervals.DecimalInterval([18, 20])
)
assert account.categories[1].name == 'good'
def test_parameter_processing_with_nulls_as_composite_fields(self):
account = self.Account(
categories=[
(None, 'bad'),
(intervals.DecimalInterval([18, 20]), None)
]
)
self.session.add(account)
self.session.commit()
assert account.categories[0].scale is None
assert account.categories[0].name == 'bad'
assert (
account.categories[1].scale == intervals.DecimalInterval([18, 20])
)
assert account.categories[1].name is None
def test_parameter_processing_with_nulls_as_composites(self):
account = self.Account(
categories=[
(None, None),
None
]
)
self.session.add(account)
self.session.commit()
assert account.categories[0].scale is None
assert account.categories[0].name is None
assert account.categories[1] is None
class TestCompositeTypeWhenTypeAlreadyExistsInDatabase(TestCase):
dns = 'postgres://postgres@localhost/sqlalchemy_utils_test'
def setup_method(self, method):
self.engine = create_engine(self.dns)
self.engine.echo = True
self.connection = self.engine.connect()
self.Base = declarative_base()
pg_composite.registered_composites = {}
self.type = CompositeType(
'money_type',
[
sa.Column('currency', sa.String),
sa.Column('amount', sa.Integer)
]
)
self.create_models()
sa.orm.configure_mappers()
Session = sessionmaker(bind=self.connection)
self.session = Session()
self.session.execute(
"CREATE TYPE money_type AS (currency VARCHAR, amount INTEGER)"
)
self.session.execute(
"""CREATE TABLE account (
id SERIAL, balance MONEY_TYPE, PRIMARY KEY(id)
)"""
)
register_composites(self.connection)
def teardown_method(self, method):
self.session.execute('DROP TABLE account')
self.session.execute('DROP TYPE money_type')
self.session.commit()
self.session.close_all()
self.connection.close()
remove_composite_listeners()
self.engine.dispose()
def create_models(self):
class Account(self.Base):
__tablename__ = 'account'
id = sa.Column(sa.Integer, primary_key=True)
balance = sa.Column(self.type)
self.Account = Account
def test_parameter_processing(self):
account = self.Account(
balance=('USD', 15),
)
self.session.add(account)
self.session.commit()
account = self.session.query(self.Account).first()
assert account.balance.currency == 'USD'
assert account.balance.amount == 15
|
