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#!coding: utf-8
from alembic.script import ScriptDirectory
from alembic.environment import EnvironmentContext
from alembic.migration import MigrationContext
from alembic.testing.fixtures import TestBase
from alembic.testing.mock import Mock, call
from alembic.testing.env import _no_sql_testing_config, \
staging_env, clear_staging_env
from alembic.testing import eq_, is_
class EnvironmentTest(TestBase):
def setUp(self):
staging_env()
self.cfg = _no_sql_testing_config()
def tearDown(self):
clear_staging_env()
def _fixture(self, **kw):
script = ScriptDirectory.from_config(self.cfg)
env = EnvironmentContext(
self.cfg,
script,
**kw
)
return env
def test_x_arg(self):
env = self._fixture()
self.cfg.cmd_opts = Mock(x="y=5")
eq_(
env.get_x_argument(),
"y=5"
)
def test_x_arg_asdict(self):
env = self._fixture()
self.cfg.cmd_opts = Mock(x=["y=5"])
eq_(
env.get_x_argument(as_dictionary=True),
{"y": "5"}
)
def test_x_arg_no_opts(self):
env = self._fixture()
eq_(
env.get_x_argument(),
[]
)
def test_x_arg_no_opts_asdict(self):
env = self._fixture()
eq_(
env.get_x_argument(as_dictionary=True),
{}
)
def test_tag_arg(self):
env = self._fixture(tag="x")
eq_(
env.get_tag_argument(),
"x"
)
def test_migration_context_has_config(self):
env = self._fixture()
env.configure(url="sqlite://")
ctx = env._migration_context
is_(ctx.config, self.cfg)
ctx = MigrationContext(ctx.dialect, None, {})
is_(ctx.config, None)
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