Files
deb-python-cassandra-driver/cqlengine/tests/management/test_management.py
2014-06-26 17:42:14 -07:00

151 lines
4.7 KiB
Python

from cqlengine.exceptions import CQLEngineException
from cqlengine.management import get_fields, sync_table, drop_table
from cqlengine.tests.base import BaseCassEngTestCase
from cqlengine import management
from cqlengine.tests.query.test_queryset import TestModel
from cqlengine.models import Model
from cqlengine import columns, SizeTieredCompactionStrategy, LeveledCompactionStrategy
class CreateKeyspaceTest(BaseCassEngTestCase):
def test_create_succeeeds(self):
management.create_keyspace('test_keyspace')
management.delete_keyspace('test_keyspace')
class DeleteTableTest(BaseCassEngTestCase):
def test_multiple_deletes_dont_fail(self):
"""
"""
sync_table(TestModel)
drop_table(TestModel)
drop_table(TestModel)
class LowercaseKeyModel(Model):
first_key = columns.Integer(primary_key=True)
second_key = columns.Integer(primary_key=True)
some_data = columns.Text()
class CapitalizedKeyModel(Model):
firstKey = columns.Integer(primary_key=True)
secondKey = columns.Integer(primary_key=True)
someData = columns.Text()
class PrimaryKeysOnlyModel(Model):
__compaction__ = LeveledCompactionStrategy
first_ey = columns.Integer(primary_key=True)
second_key = columns.Integer(primary_key=True)
class CapitalizedKeyTest(BaseCassEngTestCase):
def test_table_definition(self):
""" Tests that creating a table with capitalized column names succeedso """
sync_table(LowercaseKeyModel)
sync_table(CapitalizedKeyModel)
drop_table(LowercaseKeyModel)
drop_table(CapitalizedKeyModel)
class FirstModel(Model):
__table_name__ = 'first_model'
first_key = columns.UUID(primary_key=True)
second_key = columns.UUID()
third_key = columns.Text()
class SecondModel(Model):
__table_name__ = 'first_model'
first_key = columns.UUID(primary_key=True)
second_key = columns.UUID()
third_key = columns.Text()
fourth_key = columns.Text()
class ThirdModel(Model):
__table_name__ = 'first_model'
first_key = columns.UUID(primary_key=True)
second_key = columns.UUID()
third_key = columns.Text()
# removed fourth key, but it should stay in the DB
blah = columns.Map(columns.Text, columns.Text)
class FourthModel(Model):
__table_name__ = 'first_model'
first_key = columns.UUID(primary_key=True)
second_key = columns.UUID()
third_key = columns.Text()
# removed fourth key, but it should stay in the DB
renamed = columns.Map(columns.Text, columns.Text, db_field='blah')
class AddColumnTest(BaseCassEngTestCase):
def setUp(self):
drop_table(FirstModel)
def test_add_column(self):
sync_table(FirstModel)
fields = get_fields(FirstModel)
# this should contain the second key
self.assertEqual(len(fields), 2)
# get schema
sync_table(SecondModel)
fields = get_fields(FirstModel)
self.assertEqual(len(fields), 3)
sync_table(ThirdModel)
fields = get_fields(FirstModel)
self.assertEqual(len(fields), 4)
sync_table(FourthModel)
fields = get_fields(FirstModel)
self.assertEqual(len(fields), 4)
class SyncTableTests(BaseCassEngTestCase):
def setUp(self):
drop_table(PrimaryKeysOnlyModel)
def test_sync_table_works_with_primary_keys_only_tables(self):
# This is "create table":
sync_table(PrimaryKeysOnlyModel)
# let's make sure settings persisted correctly:
assert PrimaryKeysOnlyModel.__compaction__ == LeveledCompactionStrategy
# blows up with DoesNotExist if table does not exist
table_settings = management.get_table_settings(PrimaryKeysOnlyModel)
# let make sure the flag we care about
assert LeveledCompactionStrategy in table_settings.options['compaction_strategy_class']
# Now we are "updating" the table:
# setting up something to change
PrimaryKeysOnlyModel.__compaction__ = SizeTieredCompactionStrategy
# primary-keys-only tables do not create entries in system.schema_columns
# table. Only non-primary keys are added to that table.
# Our code must deal with that eventuality properly (not crash)
# on subsequent runs of sync_table (which runs get_fields internally)
get_fields(PrimaryKeysOnlyModel)
sync_table(PrimaryKeysOnlyModel)
table_settings = management.get_table_settings(PrimaryKeysOnlyModel)
assert SizeTieredCompactionStrategy in table_settings.options['compaction_strategy_class']
class NonModelFailureTest(BaseCassEngTestCase):
class FakeModel(object):
pass
def test_failure(self):
with self.assertRaises(CQLEngineException):
sync_table(self.FakeModel)