mirror of
https://github.com/SickGear/SickGear.git
synced 2024-12-05 02:43:37 +00:00
541 lines
19 KiB
Python
541 lines
19 KiB
Python
|
|
||
|
|
||
|
import sqlalchemy as sa
|
||
|
from sqlalchemy import exc as sa_exc
|
||
|
from sqlalchemy import types as sql_types
|
||
|
from sqlalchemy import inspect
|
||
|
from sqlalchemy import MetaData, Integer, String
|
||
|
from sqlalchemy.engine.reflection import Inspector
|
||
|
from sqlalchemy.testing import engines, fixtures
|
||
|
from sqlalchemy.testing.schema import Table, Column
|
||
|
from sqlalchemy.testing import eq_, assert_raises_message
|
||
|
from sqlalchemy import testing
|
||
|
from .. import config
|
||
|
import operator
|
||
|
from sqlalchemy.schema import DDL, Index
|
||
|
from sqlalchemy import event
|
||
|
|
||
|
metadata, users = None, None
|
||
|
|
||
|
|
||
|
class HasTableTest(fixtures.TablesTest):
|
||
|
__backend__ = True
|
||
|
|
||
|
@classmethod
|
||
|
def define_tables(cls, metadata):
|
||
|
Table('test_table', metadata,
|
||
|
Column('id', Integer, primary_key=True),
|
||
|
Column('data', String(50))
|
||
|
)
|
||
|
|
||
|
def test_has_table(self):
|
||
|
with config.db.begin() as conn:
|
||
|
assert config.db.dialect.has_table(conn, "test_table")
|
||
|
assert not config.db.dialect.has_table(conn, "nonexistent_table")
|
||
|
|
||
|
|
||
|
|
||
|
|
||
|
class ComponentReflectionTest(fixtures.TablesTest):
|
||
|
run_inserts = run_deletes = None
|
||
|
|
||
|
__backend__ = True
|
||
|
|
||
|
@classmethod
|
||
|
def define_tables(cls, metadata):
|
||
|
cls.define_reflected_tables(metadata, None)
|
||
|
if testing.requires.schemas.enabled:
|
||
|
cls.define_reflected_tables(metadata, "test_schema")
|
||
|
|
||
|
@classmethod
|
||
|
def define_reflected_tables(cls, metadata, schema):
|
||
|
if schema:
|
||
|
schema_prefix = schema + "."
|
||
|
else:
|
||
|
schema_prefix = ""
|
||
|
|
||
|
if testing.requires.self_referential_foreign_keys.enabled:
|
||
|
users = Table('users', metadata,
|
||
|
Column('user_id', sa.INT, primary_key=True),
|
||
|
Column('test1', sa.CHAR(5), nullable=False),
|
||
|
Column('test2', sa.Float(5), nullable=False),
|
||
|
Column('parent_user_id', sa.Integer,
|
||
|
sa.ForeignKey('%susers.user_id' % schema_prefix)),
|
||
|
schema=schema,
|
||
|
test_needs_fk=True,
|
||
|
)
|
||
|
else:
|
||
|
users = Table('users', metadata,
|
||
|
Column('user_id', sa.INT, primary_key=True),
|
||
|
Column('test1', sa.CHAR(5), nullable=False),
|
||
|
Column('test2', sa.Float(5), nullable=False),
|
||
|
schema=schema,
|
||
|
test_needs_fk=True,
|
||
|
)
|
||
|
|
||
|
Table("dingalings", metadata,
|
||
|
Column('dingaling_id', sa.Integer, primary_key=True),
|
||
|
Column('address_id', sa.Integer,
|
||
|
sa.ForeignKey('%semail_addresses.address_id' %
|
||
|
schema_prefix)),
|
||
|
Column('data', sa.String(30)),
|
||
|
schema=schema,
|
||
|
test_needs_fk=True,
|
||
|
)
|
||
|
Table('email_addresses', metadata,
|
||
|
Column('address_id', sa.Integer),
|
||
|
Column('remote_user_id', sa.Integer,
|
||
|
sa.ForeignKey(users.c.user_id)),
|
||
|
Column('email_address', sa.String(20)),
|
||
|
sa.PrimaryKeyConstraint('address_id', name='email_ad_pk'),
|
||
|
schema=schema,
|
||
|
test_needs_fk=True,
|
||
|
)
|
||
|
|
||
|
if testing.requires.index_reflection.enabled:
|
||
|
cls.define_index(metadata, users)
|
||
|
if testing.requires.view_column_reflection.enabled:
|
||
|
cls.define_views(metadata, schema)
|
||
|
|
||
|
@classmethod
|
||
|
def define_index(cls, metadata, users):
|
||
|
Index("users_t_idx", users.c.test1, users.c.test2)
|
||
|
Index("users_all_idx", users.c.user_id, users.c.test2, users.c.test1)
|
||
|
|
||
|
@classmethod
|
||
|
def define_views(cls, metadata, schema):
|
||
|
for table_name in ('users', 'email_addresses'):
|
||
|
fullname = table_name
|
||
|
if schema:
|
||
|
fullname = "%s.%s" % (schema, table_name)
|
||
|
view_name = fullname + '_v'
|
||
|
query = "CREATE VIEW %s AS SELECT * FROM %s" % (
|
||
|
view_name, fullname)
|
||
|
|
||
|
event.listen(
|
||
|
metadata,
|
||
|
"after_create",
|
||
|
DDL(query)
|
||
|
)
|
||
|
event.listen(
|
||
|
metadata,
|
||
|
"before_drop",
|
||
|
DDL("DROP VIEW %s" % view_name)
|
||
|
)
|
||
|
|
||
|
@testing.requires.schema_reflection
|
||
|
def test_get_schema_names(self):
|
||
|
insp = inspect(testing.db)
|
||
|
|
||
|
self.assert_('test_schema' in insp.get_schema_names())
|
||
|
|
||
|
@testing.requires.schema_reflection
|
||
|
def test_dialect_initialize(self):
|
||
|
engine = engines.testing_engine()
|
||
|
assert not hasattr(engine.dialect, 'default_schema_name')
|
||
|
inspect(engine)
|
||
|
assert hasattr(engine.dialect, 'default_schema_name')
|
||
|
|
||
|
@testing.requires.schema_reflection
|
||
|
def test_get_default_schema_name(self):
|
||
|
insp = inspect(testing.db)
|
||
|
eq_(insp.default_schema_name, testing.db.dialect.default_schema_name)
|
||
|
|
||
|
@testing.provide_metadata
|
||
|
def _test_get_table_names(self, schema=None, table_type='table',
|
||
|
order_by=None):
|
||
|
meta = self.metadata
|
||
|
users, addresses, dingalings = self.tables.users, \
|
||
|
self.tables.email_addresses, self.tables.dingalings
|
||
|
insp = inspect(meta.bind)
|
||
|
if table_type == 'view':
|
||
|
table_names = insp.get_view_names(schema)
|
||
|
table_names.sort()
|
||
|
answer = ['email_addresses_v', 'users_v']
|
||
|
eq_(sorted(table_names), answer)
|
||
|
else:
|
||
|
table_names = insp.get_table_names(schema,
|
||
|
order_by=order_by)
|
||
|
if order_by == 'foreign_key':
|
||
|
answer = ['users', 'email_addresses', 'dingalings']
|
||
|
eq_(table_names, answer)
|
||
|
else:
|
||
|
answer = ['dingalings', 'email_addresses', 'users']
|
||
|
eq_(sorted(table_names), answer)
|
||
|
|
||
|
@testing.requires.table_reflection
|
||
|
def test_get_table_names(self):
|
||
|
self._test_get_table_names()
|
||
|
|
||
|
@testing.requires.table_reflection
|
||
|
@testing.requires.foreign_key_constraint_reflection
|
||
|
def test_get_table_names_fks(self):
|
||
|
self._test_get_table_names(order_by='foreign_key')
|
||
|
|
||
|
@testing.requires.table_reflection
|
||
|
@testing.requires.schemas
|
||
|
def test_get_table_names_with_schema(self):
|
||
|
self._test_get_table_names('test_schema')
|
||
|
|
||
|
@testing.requires.view_column_reflection
|
||
|
def test_get_view_names(self):
|
||
|
self._test_get_table_names(table_type='view')
|
||
|
|
||
|
@testing.requires.view_column_reflection
|
||
|
@testing.requires.schemas
|
||
|
def test_get_view_names_with_schema(self):
|
||
|
self._test_get_table_names('test_schema', table_type='view')
|
||
|
|
||
|
@testing.requires.table_reflection
|
||
|
@testing.requires.view_column_reflection
|
||
|
def test_get_tables_and_views(self):
|
||
|
self._test_get_table_names()
|
||
|
self._test_get_table_names(table_type='view')
|
||
|
|
||
|
def _test_get_columns(self, schema=None, table_type='table'):
|
||
|
meta = MetaData(testing.db)
|
||
|
users, addresses, dingalings = self.tables.users, \
|
||
|
self.tables.email_addresses, self.tables.dingalings
|
||
|
table_names = ['users', 'email_addresses']
|
||
|
if table_type == 'view':
|
||
|
table_names = ['users_v', 'email_addresses_v']
|
||
|
insp = inspect(meta.bind)
|
||
|
for table_name, table in zip(table_names, (users,
|
||
|
addresses)):
|
||
|
schema_name = schema
|
||
|
cols = insp.get_columns(table_name, schema=schema_name)
|
||
|
self.assert_(len(cols) > 0, len(cols))
|
||
|
|
||
|
# should be in order
|
||
|
|
||
|
for i, col in enumerate(table.columns):
|
||
|
eq_(col.name, cols[i]['name'])
|
||
|
ctype = cols[i]['type'].__class__
|
||
|
ctype_def = col.type
|
||
|
if isinstance(ctype_def, sa.types.TypeEngine):
|
||
|
ctype_def = ctype_def.__class__
|
||
|
|
||
|
# Oracle returns Date for DateTime.
|
||
|
|
||
|
if testing.against('oracle') and ctype_def \
|
||
|
in (sql_types.Date, sql_types.DateTime):
|
||
|
ctype_def = sql_types.Date
|
||
|
|
||
|
# assert that the desired type and return type share
|
||
|
# a base within one of the generic types.
|
||
|
|
||
|
self.assert_(len(set(ctype.__mro__).
|
||
|
intersection(ctype_def.__mro__).intersection([
|
||
|
sql_types.Integer,
|
||
|
sql_types.Numeric,
|
||
|
sql_types.DateTime,
|
||
|
sql_types.Date,
|
||
|
sql_types.Time,
|
||
|
sql_types.String,
|
||
|
sql_types._Binary,
|
||
|
])) > 0, '%s(%s), %s(%s)' % (col.name,
|
||
|
col.type, cols[i]['name'], ctype))
|
||
|
|
||
|
if not col.primary_key:
|
||
|
assert cols[i]['default'] is None
|
||
|
|
||
|
@testing.requires.table_reflection
|
||
|
def test_get_columns(self):
|
||
|
self._test_get_columns()
|
||
|
|
||
|
@testing.provide_metadata
|
||
|
def _type_round_trip(self, *types):
|
||
|
t = Table('t', self.metadata,
|
||
|
*[
|
||
|
Column('t%d' % i, type_)
|
||
|
for i, type_ in enumerate(types)
|
||
|
]
|
||
|
)
|
||
|
t.create()
|
||
|
|
||
|
return [
|
||
|
c['type'] for c in
|
||
|
inspect(self.metadata.bind).get_columns('t')
|
||
|
]
|
||
|
|
||
|
@testing.requires.table_reflection
|
||
|
def test_numeric_reflection(self):
|
||
|
for typ in self._type_round_trip(
|
||
|
sql_types.Numeric(18, 5),
|
||
|
):
|
||
|
assert isinstance(typ, sql_types.Numeric)
|
||
|
eq_(typ.precision, 18)
|
||
|
eq_(typ.scale, 5)
|
||
|
|
||
|
@testing.requires.table_reflection
|
||
|
def test_varchar_reflection(self):
|
||
|
typ = self._type_round_trip(sql_types.String(52))[0]
|
||
|
assert isinstance(typ, sql_types.String)
|
||
|
eq_(typ.length, 52)
|
||
|
|
||
|
@testing.requires.table_reflection
|
||
|
@testing.provide_metadata
|
||
|
def test_nullable_reflection(self):
|
||
|
t = Table('t', self.metadata,
|
||
|
Column('a', Integer, nullable=True),
|
||
|
Column('b', Integer, nullable=False))
|
||
|
t.create()
|
||
|
eq_(
|
||
|
dict(
|
||
|
(col['name'], col['nullable'])
|
||
|
for col in inspect(self.metadata.bind).get_columns('t')
|
||
|
),
|
||
|
{"a": True, "b": False}
|
||
|
)
|
||
|
|
||
|
|
||
|
@testing.requires.table_reflection
|
||
|
@testing.requires.schemas
|
||
|
def test_get_columns_with_schema(self):
|
||
|
self._test_get_columns(schema='test_schema')
|
||
|
|
||
|
@testing.requires.view_column_reflection
|
||
|
def test_get_view_columns(self):
|
||
|
self._test_get_columns(table_type='view')
|
||
|
|
||
|
@testing.requires.view_column_reflection
|
||
|
@testing.requires.schemas
|
||
|
def test_get_view_columns_with_schema(self):
|
||
|
self._test_get_columns(schema='test_schema', table_type='view')
|
||
|
|
||
|
@testing.provide_metadata
|
||
|
def _test_get_pk_constraint(self, schema=None):
|
||
|
meta = self.metadata
|
||
|
users, addresses = self.tables.users, self.tables.email_addresses
|
||
|
insp = inspect(meta.bind)
|
||
|
|
||
|
users_cons = insp.get_pk_constraint(users.name, schema=schema)
|
||
|
users_pkeys = users_cons['constrained_columns']
|
||
|
eq_(users_pkeys, ['user_id'])
|
||
|
|
||
|
addr_cons = insp.get_pk_constraint(addresses.name, schema=schema)
|
||
|
addr_pkeys = addr_cons['constrained_columns']
|
||
|
eq_(addr_pkeys, ['address_id'])
|
||
|
|
||
|
with testing.requires.reflects_pk_names.fail_if():
|
||
|
eq_(addr_cons['name'], 'email_ad_pk')
|
||
|
|
||
|
@testing.requires.primary_key_constraint_reflection
|
||
|
def test_get_pk_constraint(self):
|
||
|
self._test_get_pk_constraint()
|
||
|
|
||
|
@testing.requires.table_reflection
|
||
|
@testing.requires.primary_key_constraint_reflection
|
||
|
@testing.requires.schemas
|
||
|
def test_get_pk_constraint_with_schema(self):
|
||
|
self._test_get_pk_constraint(schema='test_schema')
|
||
|
|
||
|
@testing.requires.table_reflection
|
||
|
@testing.provide_metadata
|
||
|
def test_deprecated_get_primary_keys(self):
|
||
|
meta = self.metadata
|
||
|
users = self.tables.users
|
||
|
insp = Inspector(meta.bind)
|
||
|
assert_raises_message(
|
||
|
sa_exc.SADeprecationWarning,
|
||
|
"Call to deprecated method get_primary_keys."
|
||
|
" Use get_pk_constraint instead.",
|
||
|
insp.get_primary_keys, users.name
|
||
|
)
|
||
|
|
||
|
@testing.provide_metadata
|
||
|
def _test_get_foreign_keys(self, schema=None):
|
||
|
meta = self.metadata
|
||
|
users, addresses, dingalings = self.tables.users, \
|
||
|
self.tables.email_addresses, self.tables.dingalings
|
||
|
insp = inspect(meta.bind)
|
||
|
expected_schema = schema
|
||
|
# users
|
||
|
|
||
|
if testing.requires.self_referential_foreign_keys.enabled:
|
||
|
users_fkeys = insp.get_foreign_keys(users.name,
|
||
|
schema=schema)
|
||
|
fkey1 = users_fkeys[0]
|
||
|
|
||
|
with testing.requires.named_constraints.fail_if():
|
||
|
self.assert_(fkey1['name'] is not None)
|
||
|
|
||
|
eq_(fkey1['referred_schema'], expected_schema)
|
||
|
eq_(fkey1['referred_table'], users.name)
|
||
|
eq_(fkey1['referred_columns'], ['user_id', ])
|
||
|
if testing.requires.self_referential_foreign_keys.enabled:
|
||
|
eq_(fkey1['constrained_columns'], ['parent_user_id'])
|
||
|
|
||
|
#addresses
|
||
|
addr_fkeys = insp.get_foreign_keys(addresses.name,
|
||
|
schema=schema)
|
||
|
fkey1 = addr_fkeys[0]
|
||
|
|
||
|
with testing.requires.named_constraints.fail_if():
|
||
|
self.assert_(fkey1['name'] is not None)
|
||
|
|
||
|
eq_(fkey1['referred_schema'], expected_schema)
|
||
|
eq_(fkey1['referred_table'], users.name)
|
||
|
eq_(fkey1['referred_columns'], ['user_id', ])
|
||
|
eq_(fkey1['constrained_columns'], ['remote_user_id'])
|
||
|
|
||
|
@testing.requires.foreign_key_constraint_reflection
|
||
|
def test_get_foreign_keys(self):
|
||
|
self._test_get_foreign_keys()
|
||
|
|
||
|
@testing.requires.foreign_key_constraint_reflection
|
||
|
@testing.requires.schemas
|
||
|
def test_get_foreign_keys_with_schema(self):
|
||
|
self._test_get_foreign_keys(schema='test_schema')
|
||
|
|
||
|
@testing.provide_metadata
|
||
|
def _test_get_indexes(self, schema=None):
|
||
|
meta = self.metadata
|
||
|
users, addresses, dingalings = self.tables.users, \
|
||
|
self.tables.email_addresses, self.tables.dingalings
|
||
|
# The database may decide to create indexes for foreign keys, etc.
|
||
|
# so there may be more indexes than expected.
|
||
|
insp = inspect(meta.bind)
|
||
|
indexes = insp.get_indexes('users', schema=schema)
|
||
|
expected_indexes = [
|
||
|
{'unique': False,
|
||
|
'column_names': ['test1', 'test2'],
|
||
|
'name': 'users_t_idx'},
|
||
|
{'unique': False,
|
||
|
'column_names': ['user_id', 'test2', 'test1'],
|
||
|
'name': 'users_all_idx'}
|
||
|
]
|
||
|
index_names = [d['name'] for d in indexes]
|
||
|
for e_index in expected_indexes:
|
||
|
assert e_index['name'] in index_names
|
||
|
index = indexes[index_names.index(e_index['name'])]
|
||
|
for key in e_index:
|
||
|
eq_(e_index[key], index[key])
|
||
|
|
||
|
@testing.requires.index_reflection
|
||
|
def test_get_indexes(self):
|
||
|
self._test_get_indexes()
|
||
|
|
||
|
@testing.requires.index_reflection
|
||
|
@testing.requires.schemas
|
||
|
def test_get_indexes_with_schema(self):
|
||
|
self._test_get_indexes(schema='test_schema')
|
||
|
|
||
|
|
||
|
@testing.requires.unique_constraint_reflection
|
||
|
def test_get_unique_constraints(self):
|
||
|
self._test_get_unique_constraints()
|
||
|
|
||
|
@testing.requires.unique_constraint_reflection
|
||
|
@testing.requires.schemas
|
||
|
def test_get_unique_constraints_with_schema(self):
|
||
|
self._test_get_unique_constraints(schema='test_schema')
|
||
|
|
||
|
@testing.provide_metadata
|
||
|
def _test_get_unique_constraints(self, schema=None):
|
||
|
uniques = sorted(
|
||
|
[
|
||
|
{'name': 'unique_a', 'column_names': ['a']},
|
||
|
{'name': 'unique_a_b_c', 'column_names': ['a', 'b', 'c']},
|
||
|
{'name': 'unique_c_a_b', 'column_names': ['c', 'a', 'b']},
|
||
|
{'name': 'unique_asc_key', 'column_names': ['asc', 'key']},
|
||
|
],
|
||
|
key=operator.itemgetter('name')
|
||
|
)
|
||
|
orig_meta = self.metadata
|
||
|
table = Table(
|
||
|
'testtbl', orig_meta,
|
||
|
Column('a', sa.String(20)),
|
||
|
Column('b', sa.String(30)),
|
||
|
Column('c', sa.Integer),
|
||
|
# reserved identifiers
|
||
|
Column('asc', sa.String(30)),
|
||
|
Column('key', sa.String(30)),
|
||
|
schema=schema
|
||
|
)
|
||
|
for uc in uniques:
|
||
|
table.append_constraint(
|
||
|
sa.UniqueConstraint(*uc['column_names'], name=uc['name'])
|
||
|
)
|
||
|
orig_meta.create_all()
|
||
|
|
||
|
inspector = inspect(orig_meta.bind)
|
||
|
reflected = sorted(
|
||
|
inspector.get_unique_constraints('testtbl', schema=schema),
|
||
|
key=operator.itemgetter('name')
|
||
|
)
|
||
|
|
||
|
for orig, refl in zip(uniques, reflected):
|
||
|
eq_(orig, refl)
|
||
|
|
||
|
|
||
|
@testing.provide_metadata
|
||
|
def _test_get_view_definition(self, schema=None):
|
||
|
meta = self.metadata
|
||
|
users, addresses, dingalings = self.tables.users, \
|
||
|
self.tables.email_addresses, self.tables.dingalings
|
||
|
view_name1 = 'users_v'
|
||
|
view_name2 = 'email_addresses_v'
|
||
|
insp = inspect(meta.bind)
|
||
|
v1 = insp.get_view_definition(view_name1, schema=schema)
|
||
|
self.assert_(v1)
|
||
|
v2 = insp.get_view_definition(view_name2, schema=schema)
|
||
|
self.assert_(v2)
|
||
|
|
||
|
@testing.requires.view_reflection
|
||
|
def test_get_view_definition(self):
|
||
|
self._test_get_view_definition()
|
||
|
|
||
|
@testing.requires.view_reflection
|
||
|
@testing.requires.schemas
|
||
|
def test_get_view_definition_with_schema(self):
|
||
|
self._test_get_view_definition(schema='test_schema')
|
||
|
|
||
|
@testing.only_on("postgresql", "PG specific feature")
|
||
|
@testing.provide_metadata
|
||
|
def _test_get_table_oid(self, table_name, schema=None):
|
||
|
meta = self.metadata
|
||
|
users, addresses, dingalings = self.tables.users, \
|
||
|
self.tables.email_addresses, self.tables.dingalings
|
||
|
insp = inspect(meta.bind)
|
||
|
oid = insp.get_table_oid(table_name, schema)
|
||
|
self.assert_(isinstance(oid, int))
|
||
|
|
||
|
def test_get_table_oid(self):
|
||
|
self._test_get_table_oid('users')
|
||
|
|
||
|
@testing.requires.schemas
|
||
|
def test_get_table_oid_with_schema(self):
|
||
|
self._test_get_table_oid('users', schema='test_schema')
|
||
|
|
||
|
@testing.requires.table_reflection
|
||
|
@testing.provide_metadata
|
||
|
def test_autoincrement_col(self):
|
||
|
"""test that 'autoincrement' is reflected according to sqla's policy.
|
||
|
|
||
|
Don't mark this test as unsupported for any backend !
|
||
|
|
||
|
(technically it fails with MySQL InnoDB since "id" comes before "id2")
|
||
|
|
||
|
A backend is better off not returning "autoincrement" at all,
|
||
|
instead of potentially returning "False" for an auto-incrementing
|
||
|
primary key column.
|
||
|
|
||
|
"""
|
||
|
|
||
|
meta = self.metadata
|
||
|
insp = inspect(meta.bind)
|
||
|
|
||
|
for tname, cname in [
|
||
|
('users', 'user_id'),
|
||
|
('email_addresses', 'address_id'),
|
||
|
('dingalings', 'dingaling_id'),
|
||
|
]:
|
||
|
cols = insp.get_columns(tname)
|
||
|
id_ = dict((c['name'], c) for c in cols)[cname]
|
||
|
assert id_.get('autoincrement', True)
|
||
|
|
||
|
|
||
|
|
||
|
__all__ = ('ComponentReflectionTest', 'HasTableTest')
|