import unittest
import test_globals
from flyway.command import MigrateCommand
class MigrateTest(unittest.TestCase):
def setUp(self):
test_globals.migrations_run = []
self.cmd = MigrateCommand('flyway')
self.cmd.entry_point_section='flyway.test_migrations'
self.args = [
'-u', 'mongo://127.0.0.1:27017/pyforge',
]
self.cmd.run(self.args + ['--reset'])
def test_simple(self):
self.cmd.run(self.args)
expected_migrations = [
(ab, ver, 'up') for ver in range(10) for ab in 'ab']
assert expected_migrations == test_globals.migrations_run
def test_only_a(self):
self.cmd.run(self.args + ['a'])
expected_migrations = [
('a', ver, 'up') for ver in range(10) ]
assert expected_migrations == test_globals.migrations_run
def test_b_requires_a(self):
self.cmd.run(self.args + ['b'])
expected_migrations = [
(ab, ver, 'up') for ver in range(10) for ab in 'ab']
assert expected_migrations == test_globals.migrations_run
def test_downgrade(self):
self.cmd.run(self.args)
self.cmd.run(self.args + ['a=5'])
# Migrate up
expected_migrations = [
(ab, ver, 'up') for ver in range(10) for ab in 'ab']
# Migrate a down
expected_migrations += [
('a', 9, 'down'), ('a', 8, 'down'), ('a', 7, 'down'), ('a', 6, 'down') ]
assert expected_migrations == test_globals.migrations_run
def test_stuck_migration(self):
self.cmd.run(self.args + ['a']) # a=9, b=-1 now
# Can't migrate b because it requires a=0, which is unsatisfiable (we do
# not support downgrading a automagically so as to upgrade b)
self.assertRaises(ValueError, self.cmd.run, self.args + ['b'])