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#!coding: utf-8
from alembic import config, util, compat
from alembic.migration import MigrationContext
from alembic.operations import Operations
from alembic.script import ScriptDirectory
import unittest
from mock import Mock, call
from . import eq_, capture_db, assert_raises_message
def test_config_no_file_main_option():
cfg = config.Config()
cfg.set_main_option("url", "postgresql://foo/bar")
eq_(cfg.get_main_option("url"), "postgresql://foo/bar")
def test_config_no_file_section_option():
cfg = config.Config()
cfg.set_section_option("foo", "url", "postgresql://foo/bar")
eq_(cfg.get_section_option("foo", "url"), "postgresql://foo/bar")
cfg.set_section_option("foo", "echo", "True")
eq_(cfg.get_section_option("foo", "echo"), "True")
def test_standalone_op():
eng, buf = capture_db()
env = MigrationContext.configure(eng)
op = Operations(env)
op.alter_column("t", "c", nullable=True)
eq_(buf, ['ALTER TABLE t ALTER COLUMN c DROP NOT NULL'])
def test_no_script_error():
cfg = config.Config()
assert_raises_message(
util.CommandError,
"No 'script_location' key found in configuration.",
ScriptDirectory.from_config, cfg
)
class OutputEncodingTest(unittest.TestCase):
def test_plain(self):
stdout = Mock(encoding='latin-1')
cfg = config.Config(stdout=stdout)
cfg.print_stdout("test %s %s", "x", "y")
eq_(
stdout.mock_calls,
[call.write('test x y'), call.write('\n')]
)
def test_utf8_unicode(self):
stdout = Mock(encoding='latin-1')
cfg = config.Config(stdout=stdout)
cfg.print_stdout(compat.u("méil %s %s"), "x", "y")
eq_(
stdout.mock_calls,
[call.write(compat.u('méil x y')), call.write('\n')]
)
def test_ascii_unicode(self):
stdout = Mock(encoding=None)
cfg = config.Config(stdout=stdout)
cfg.print_stdout(compat.u("méil %s %s"), "x", "y")
eq_(
stdout.mock_calls,
[call.write('m?il x y'), call.write('\n')]
)
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