JezK
Edit File: test_op.py
"""Test against the builders in the op.* module.""" from sqlalchemy import Column from sqlalchemy import event from sqlalchemy import Integer from sqlalchemy import String from sqlalchemy import Table from sqlalchemy.sql import text from ...testing.fixtures import AlterColRoundTripFixture from ...testing.fixtures import TestBase @event.listens_for(Table, "after_parent_attach") def _add_cols(table, metadata): if table.name == "tbl_with_auto_appended_column": table.append_column(Column("bat", Integer)) class BackendAlterColumnTest(AlterColRoundTripFixture, TestBase): __backend__ = True def test_rename_column(self): self._run_alter_col({}, {"name": "newname"}) def test_modify_type_int_str(self): self._run_alter_col({"type": Integer()}, {"type": String(50)}) def test_add_server_default_int(self): self._run_alter_col({"type": Integer}, {"server_default": text("5")}) def test_modify_server_default_int(self): self._run_alter_col( {"type": Integer, "server_default": text("2")}, {"server_default": text("5")}, ) def test_modify_nullable_to_non(self): self._run_alter_col({}, {"nullable": False}) def test_modify_non_nullable_to_nullable(self): self._run_alter_col({"nullable": False}, {"nullable": True})