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"""Test op functions against ORACLE."""
from __future__ import with_statement
from tests import op_fixture, capture_context_buffer, \
_no_sql_testing_config, staging_env, \
three_rev_fixture, clear_staging_env
from alembic import op, command
from sqlalchemy import Integer, Column
from unittest import TestCase
class FullEnvironmentTests(TestCase):
@classmethod
def setup_class(cls):
env = staging_env()
cls.cfg = cfg = _no_sql_testing_config("oracle")
cls.a, cls.b, cls.c = \
three_rev_fixture(cfg)
@classmethod
def teardown_class(cls):
clear_staging_env()
def test_begin_comit(self):
with capture_context_buffer(transactional_ddl=True) as buf:
command.upgrade(self.cfg, self.a, sql=True)
assert "SET TRANSACTION READ WRITE\n\n/" in buf.getvalue()
assert "COMMIT\n\n/" in buf.getvalue()
def test_batch_separator_default(self):
with capture_context_buffer() as buf:
command.upgrade(self.cfg, self.a, sql=True)
assert "/" in buf.getvalue()
assert ";" not in buf.getvalue()
def test_batch_separator_custom(self):
with capture_context_buffer(oracle_batch_separator="BYE") as buf:
command.upgrade(self.cfg, self.a, sql=True)
assert "BYE" in buf.getvalue()
class OpTest(TestCase):
def test_add_column(self):
context = op_fixture('oracle')
op.add_column('t1', Column('c1', Integer, nullable=False))
context.assert_("ALTER TABLE t1 ADD c1 INTEGER NOT NULL")
def test_add_column_with_default(self):
context = op_fixture("oracle")
op.add_column('t1', Column('c1', Integer, nullable=False, server_default="12"))
context.assert_("ALTER TABLE t1 ADD c1 INTEGER DEFAULT '12' NOT NULL")
def test_alter_column_rename_oracle(self):
context = op_fixture('oracle')
op.alter_column("t", "c", name="x")
context.assert_(
"ALTER TABLE t RENAME COLUMN c TO x"
)
def test_alter_column_new_type(self):
context = op_fixture('oracle')
op.alter_column("t", "c", type_=Integer)
context.assert_(
'ALTER TABLE t MODIFY c INTEGER'
)
def test_drop_index(self):
context = op_fixture('oracle')
op.drop_index('my_idx', 'my_table')
context.assert_contains("DROP INDEX my_idx")
def test_drop_column_w_default(self):
context = op_fixture('oracle')
op.drop_column('t1', 'c1')
context.assert_(
"ALTER TABLE t1 DROP COLUMN c1"
)
def test_drop_column_w_check(self):
context = op_fixture('oracle')
op.drop_column('t1', 'c1')
context.assert_(
"ALTER TABLE t1 DROP COLUMN c1"
)
def test_alter_column_nullable_w_existing_type(self):
context = op_fixture('oracle')
op.alter_column("t", "c", nullable=True, existing_type=Integer)
context.assert_(
"ALTER TABLE t MODIFY c NULL"
)
def test_alter_column_not_nullable_w_existing_type(self):
context = op_fixture('oracle')
op.alter_column("t", "c", nullable=False, existing_type=Integer)
context.assert_(
"ALTER TABLE t MODIFY c NOT NULL"
)
def test_alter_column_nullable_w_new_type(self):
context = op_fixture('oracle')
op.alter_column("t", "c", nullable=True, type_=Integer)
context.assert_(
"ALTER TABLE t MODIFY c NULL",
'ALTER TABLE t MODIFY c INTEGER'
)
def test_alter_column_not_nullable_w_new_type(self):
context = op_fixture('oracle')
op.alter_column("t", "c", nullable=False, type_=Integer)
context.assert_(
"ALTER TABLE t MODIFY c NOT NULL",
"ALTER TABLE t MODIFY c INTEGER"
)
def test_alter_add_server_default(self):
context = op_fixture('oracle')
op.alter_column("t", "c", server_default="5")
context.assert_(
"ALTER TABLE t MODIFY c DEFAULT '5'"
)
def test_alter_replace_server_default(self):
context = op_fixture('oracle')
op.alter_column("t", "c", server_default="5", existing_server_default="6")
context.assert_(
"ALTER TABLE t MODIFY c DEFAULT '5'"
)
def test_alter_remove_server_default(self):
context = op_fixture('oracle')
op.alter_column("t", "c", server_default=None)
context.assert_(
"ALTER TABLE t MODIFY c DEFAULT NULL"
)
def test_alter_do_everything(self):
context = op_fixture('oracle')
op.alter_column("t", "c", name="c2", nullable=True, type_=Integer, server_default="5")
context.assert_(
'ALTER TABLE t MODIFY c NULL',
"ALTER TABLE t MODIFY c DEFAULT '5'",
'ALTER TABLE t MODIFY c INTEGER',
'ALTER TABLE t RENAME COLUMN c TO c2'
)
# TODO: when we add schema support
#def test_alter_column_rename_oracle_schema(self):
# context = op_fixture('oracle')
# op.alter_column("t", "c", name="x", schema="y")
# context.assert_(
# 'ALTER TABLE y.t RENAME COLUMN c TO c2'
# )
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