556 lines
24 KiB
Python
556 lines
24 KiB
Python
#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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import os
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import sys
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import tempfile
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from cStringIO import StringIO
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from sqlalchemy import MetaData, Table
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from migrate.exceptions import *
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from migrate.versioning.repository import Repository
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from migrate.versioning import genmodel, shell, api
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from migrate.tests.fixture import Shell, DB, usedb
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from migrate.tests.fixture import models
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class TestShellCommands(Shell):
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"""Tests migrate.py commands"""
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def test_help(self):
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"""Displays default help dialog"""
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self.assertEqual(self.env.run('migrate -h').returncode, 0)
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self.assertEqual(self.env.run('migrate --help').returncode, 0)
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self.assertEqual(self.env.run('migrate help').returncode, 0)
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def test_help_commands(self):
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"""Display help on a specific command"""
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# we can only test that we get some output
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for cmd in api.__all__:
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result = self.env.run('migrate help %s' % cmd)
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self.assertTrue(isinstance(result.stdout, basestring))
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self.assertTrue(result.stdout)
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self.assertFalse(result.stderr)
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def test_shutdown_logging(self):
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"""Try to shutdown logging output"""
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repos = self.tmp_repos()
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result = self.env.run('migrate create %s repository_name' % repos)
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result = self.env.run('migrate version %s --disable_logging' % repos)
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self.assertEqual(result.stdout, '')
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result = self.env.run('migrate version %s -q' % repos)
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self.assertEqual(result.stdout, '')
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# TODO: assert logging messages to 0
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shell.main(['version', repos], logging=False)
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def test_main_with_runpy(self):
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if sys.version_info[:2] == (2, 4):
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self.skipTest("runpy is not part of python2.4")
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from runpy import run_module
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try:
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original = sys.argv
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sys.argv=['X','--help']
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run_module('migrate.versioning.shell', run_name='__main__')
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finally:
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sys.argv = original
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def _check_error(self,args,code,expected,**kw):
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original = sys.stderr
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try:
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actual = StringIO()
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sys.stderr = actual
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try:
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shell.main(args,**kw)
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except SystemExit, e:
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self.assertEqual(code,e.args[0])
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else:
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self.fail('No exception raised')
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finally:
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sys.stderr = original
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actual = actual.getvalue()
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self.assertTrue(expected in actual,'%r not in:\n"""\n%s\n"""'%(expected,actual))
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def test_main(self):
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"""Test main() function"""
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repos = self.tmp_repos()
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shell.main(['help'])
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shell.main(['help', 'create'])
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shell.main(['create', 'repo_name', '--preview_sql'], repository=repos)
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shell.main(['version', '--', '--repository=%s' % repos])
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shell.main(['version', '-d', '--repository=%s' % repos, '--version=2'])
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self._check_error(['foobar'],2,'error: Invalid command foobar')
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self._check_error(['create', 'f', 'o', 'o'],2,'error: Too many arguments for command create: o')
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self._check_error(['create'],2,'error: Not enough arguments for command create: name, repository not specified')
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self._check_error(['create', 'repo_name'],2,'already exists', repository=repos)
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def test_create(self):
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"""Repositories are created successfully"""
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repos = self.tmp_repos()
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# Creating a file that doesn't exist should succeed
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result = self.env.run('migrate create %s repository_name' % repos)
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# Files should actually be created
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self.assert_(os.path.exists(repos))
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# The default table should not be None
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repos_ = Repository(repos)
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self.assertNotEquals(repos_.config.get('db_settings', 'version_table'), 'None')
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# Can't create it again: it already exists
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result = self.env.run('migrate create %s repository_name' % repos,
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expect_error=True)
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self.assertEqual(result.returncode, 2)
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def test_script(self):
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"""We can create a migration script via the command line"""
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repos = self.tmp_repos()
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result = self.env.run('migrate create %s repository_name' % repos)
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result = self.env.run('migrate script --repository=%s Desc' % repos)
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self.assert_(os.path.exists('%s/versions/001_Desc.py' % repos))
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result = self.env.run('migrate script More %s' % repos)
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self.assert_(os.path.exists('%s/versions/002_More.py' % repos))
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result = self.env.run('migrate script "Some Random name" %s' % repos)
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self.assert_(os.path.exists('%s/versions/003_Some_Random_name.py' % repos))
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def test_script_sql(self):
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"""We can create a migration sql script via the command line"""
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repos = self.tmp_repos()
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result = self.env.run('migrate create %s repository_name' % repos)
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result = self.env.run('migrate script_sql mydb foo %s' % repos)
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self.assert_(os.path.exists('%s/versions/001_foo_mydb_upgrade.sql' % repos))
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self.assert_(os.path.exists('%s/versions/001_foo_mydb_downgrade.sql' % repos))
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# Test creating a second
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result = self.env.run('migrate script_sql postgres foo --repository=%s' % repos)
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self.assert_(os.path.exists('%s/versions/002_foo_postgres_upgrade.sql' % repos))
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self.assert_(os.path.exists('%s/versions/002_foo_postgres_downgrade.sql' % repos))
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# TODO: test --previews
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def test_manage(self):
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"""Create a project management script"""
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script = self.tmp_py()
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self.assert_(not os.path.exists(script))
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# No attempt is made to verify correctness of the repository path here
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result = self.env.run('migrate manage %s --repository=/bla/' % script)
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self.assert_(os.path.exists(script))
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class TestShellRepository(Shell):
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"""Shell commands on an existing repository/python script"""
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def setUp(self):
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"""Create repository, python change script"""
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super(TestShellRepository, self).setUp()
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self.path_repos = self.tmp_repos()
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result = self.env.run('migrate create %s repository_name' % self.path_repos)
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def test_version(self):
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"""Correctly detect repository version"""
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# Version: 0 (no scripts yet); successful execution
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result = self.env.run('migrate version --repository=%s' % self.path_repos)
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self.assertEqual(result.stdout.strip(), "0")
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# Also works as a positional param
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result = self.env.run('migrate version %s' % self.path_repos)
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self.assertEqual(result.stdout.strip(), "0")
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# Create a script and version should increment
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result = self.env.run('migrate script Desc %s' % self.path_repos)
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result = self.env.run('migrate version %s' % self.path_repos)
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self.assertEqual(result.stdout.strip(), "1")
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def test_source(self):
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"""Correctly fetch a script's source"""
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result = self.env.run('migrate script Desc --repository=%s' % self.path_repos)
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filename = '%s/versions/001_Desc.py' % self.path_repos
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source = open(filename).read()
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self.assert_(source.find('def upgrade') >= 0)
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# Version is now 1
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result = self.env.run('migrate version %s' % self.path_repos)
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self.assertEqual(result.stdout.strip(), "1")
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# Output/verify the source of version 1
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result = self.env.run('migrate source 1 --repository=%s' % self.path_repos)
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self.assertEqual(result.stdout.strip(), source.strip())
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# We can also send the source to a file... test that too
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result = self.env.run('migrate source 1 %s --repository=%s' %
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(filename, self.path_repos))
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self.assert_(os.path.exists(filename))
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fd = open(filename)
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result = fd.read()
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self.assert_(result.strip() == source.strip())
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class TestShellDatabase(Shell, DB):
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"""Commands associated with a particular database"""
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# We'll need to clean up after ourself, since the shell creates its own txn;
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# we need to connect to the DB to see if things worked
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level = DB.CONNECT
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@usedb()
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def test_version_control(self):
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"""Ensure we can set version control on a database"""
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path_repos = repos = self.tmp_repos()
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url = self.url
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result = self.env.run('migrate create %s repository_name' % repos)
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result = self.env.run('migrate drop_version_control %(url)s %(repos)s'\
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% locals(), expect_error=True)
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self.assertEqual(result.returncode, 1)
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result = self.env.run('migrate version_control %(url)s %(repos)s' % locals())
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# Clean up
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result = self.env.run('migrate drop_version_control %(url)s %(repos)s' % locals())
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# Attempting to drop vc from a database without it should fail
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result = self.env.run('migrate drop_version_control %(url)s %(repos)s'\
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% locals(), expect_error=True)
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self.assertEqual(result.returncode, 1)
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@usedb()
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def test_wrapped_kwargs(self):
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"""Commands with default arguments set by manage.py"""
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path_repos = repos = self.tmp_repos()
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url = self.url
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result = self.env.run('migrate create --name=repository_name %s' % repos)
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result = self.env.run('migrate drop_version_control %(url)s %(repos)s' % locals(), expect_error=True)
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self.assertEqual(result.returncode, 1)
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result = self.env.run('migrate version_control %(url)s %(repos)s' % locals())
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result = self.env.run('migrate drop_version_control %(url)s %(repos)s' % locals())
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@usedb()
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def test_version_control_specified(self):
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"""Ensure we can set version control to a particular version"""
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path_repos = self.tmp_repos()
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url = self.url
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result = self.env.run('migrate create --name=repository_name %s' % path_repos)
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result = self.env.run('migrate drop_version_control %(url)s %(path_repos)s' % locals(), expect_error=True)
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self.assertEqual(result.returncode, 1)
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# Fill the repository
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path_script = self.tmp_py()
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version = 2
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for i in range(version):
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result = self.env.run('migrate script Desc --repository=%s' % path_repos)
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# Repository version is correct
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result = self.env.run('migrate version %s' % path_repos)
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self.assertEqual(result.stdout.strip(), str(version))
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# Apply versioning to DB
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result = self.env.run('migrate version_control %(url)s %(path_repos)s %(version)s' % locals())
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# Test db version number (should start at 2)
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result = self.env.run('migrate db_version %(url)s %(path_repos)s' % locals())
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self.assertEqual(result.stdout.strip(), str(version))
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# Clean up
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result = self.env.run('migrate drop_version_control %(url)s %(path_repos)s' % locals())
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@usedb()
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def test_upgrade(self):
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"""Can upgrade a versioned database"""
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# Create a repository
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repos_name = 'repos_name'
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repos_path = self.tmp()
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result = self.env.run('migrate create %(repos_path)s %(repos_name)s' % locals())
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self.assertEqual(self.run_version(repos_path), 0)
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# Version the DB
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result = self.env.run('migrate drop_version_control %s %s' % (self.url, repos_path), expect_error=True)
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result = self.env.run('migrate version_control %s %s' % (self.url, repos_path))
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# Upgrades with latest version == 0
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self.assertEqual(self.run_db_version(self.url, repos_path), 0)
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result = self.env.run('migrate upgrade %s %s' % (self.url, repos_path))
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self.assertEqual(self.run_db_version(self.url, repos_path), 0)
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result = self.env.run('migrate upgrade %s %s' % (self.url, repos_path))
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self.assertEqual(self.run_db_version(self.url, repos_path), 0)
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result = self.env.run('migrate upgrade %s %s 1' % (self.url, repos_path), expect_error=True)
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self.assertEqual(result.returncode, 1)
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result = self.env.run('migrate upgrade %s %s -1' % (self.url, repos_path), expect_error=True)
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self.assertEqual(result.returncode, 2)
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# Add a script to the repository; upgrade the db
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result = self.env.run('migrate script Desc --repository=%s' % (repos_path))
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self.assertEqual(self.run_version(repos_path), 1)
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self.assertEqual(self.run_db_version(self.url, repos_path), 0)
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# Test preview
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result = self.env.run('migrate upgrade %s %s 0 --preview_sql' % (self.url, repos_path))
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result = self.env.run('migrate upgrade %s %s 0 --preview_py' % (self.url, repos_path))
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result = self.env.run('migrate upgrade %s %s' % (self.url, repos_path))
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self.assertEqual(self.run_db_version(self.url, repos_path), 1)
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# Downgrade must have a valid version specified
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result = self.env.run('migrate downgrade %s %s' % (self.url, repos_path), expect_error=True)
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self.assertEqual(result.returncode, 2)
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result = self.env.run('migrate downgrade %s %s -1' % (self.url, repos_path), expect_error=True)
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self.assertEqual(result.returncode, 2)
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result = self.env.run('migrate downgrade %s %s 2' % (self.url, repos_path), expect_error=True)
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self.assertEqual(result.returncode, 2)
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self.assertEqual(self.run_db_version(self.url, repos_path), 1)
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result = self.env.run('migrate downgrade %s %s 0' % (self.url, repos_path))
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self.assertEqual(self.run_db_version(self.url, repos_path), 0)
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result = self.env.run('migrate downgrade %s %s 1' % (self.url, repos_path), expect_error=True)
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self.assertEqual(result.returncode, 2)
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self.assertEqual(self.run_db_version(self.url, repos_path), 0)
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result = self.env.run('migrate drop_version_control %s %s' % (self.url, repos_path))
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def _run_test_sqlfile(self, upgrade_script, downgrade_script):
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# TODO: add test script that checks if db really changed
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repos_path = self.tmp()
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repos_name = 'repos'
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result = self.env.run('migrate create %s %s' % (repos_path, repos_name))
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result = self.env.run('migrate drop_version_control %s %s' % (self.url, repos_path), expect_error=True)
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result = self.env.run('migrate version_control %s %s' % (self.url, repos_path))
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self.assertEqual(self.run_version(repos_path), 0)
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self.assertEqual(self.run_db_version(self.url, repos_path), 0)
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beforeCount = len(os.listdir(os.path.join(repos_path, 'versions'))) # hmm, this number changes sometimes based on running from svn
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result = self.env.run('migrate script_sql %s --repository=%s' % ('postgres', repos_path))
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self.assertEqual(self.run_version(repos_path), 1)
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self.assertEqual(len(os.listdir(os.path.join(repos_path, 'versions'))), beforeCount + 2)
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open('%s/versions/001_postgres_upgrade.sql' % repos_path, 'a').write(upgrade_script)
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open('%s/versions/001_postgres_downgrade.sql' % repos_path, 'a').write(downgrade_script)
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self.assertEqual(self.run_db_version(self.url, repos_path), 0)
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self.assertRaises(Exception, self.engine.text('select * from t_table').execute)
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result = self.env.run('migrate upgrade %s %s' % (self.url, repos_path))
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self.assertEqual(self.run_db_version(self.url, repos_path), 1)
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self.engine.text('select * from t_table').execute()
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result = self.env.run('migrate downgrade %s %s 0' % (self.url, repos_path))
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self.assertEqual(self.run_db_version(self.url, repos_path), 0)
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self.assertRaises(Exception, self.engine.text('select * from t_table').execute)
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# The tests below are written with some postgres syntax, but the stuff
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# being tested (.sql files) ought to work with any db.
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@usedb(supported='postgres')
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def test_sqlfile(self):
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upgrade_script = """
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create table t_table (
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id serial,
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primary key(id)
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);
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"""
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downgrade_script = """
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drop table t_table;
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"""
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self.meta.drop_all()
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self._run_test_sqlfile(upgrade_script, downgrade_script)
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@usedb(supported='postgres')
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def test_sqlfile_comment(self):
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upgrade_script = """
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-- Comments in SQL break postgres autocommit
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create table t_table (
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id serial,
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primary key(id)
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);
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"""
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downgrade_script = """
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-- Comments in SQL break postgres autocommit
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drop table t_table;
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"""
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self._run_test_sqlfile(upgrade_script, downgrade_script)
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@usedb()
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def test_command_test(self):
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repos_name = 'repos_name'
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repos_path = self.tmp()
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result = self.env.run('migrate create repository_name --repository=%s' % repos_path)
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result = self.env.run('migrate drop_version_control %s %s' % (self.url, repos_path), expect_error=True)
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result = self.env.run('migrate version_control %s %s' % (self.url, repos_path))
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self.assertEqual(self.run_version(repos_path), 0)
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self.assertEqual(self.run_db_version(self.url, repos_path), 0)
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# Empty script should succeed
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result = self.env.run('migrate script Desc %s' % repos_path)
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result = self.env.run('migrate test %s %s' % (self.url, repos_path))
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self.assertEqual(self.run_version(repos_path), 1)
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self.assertEqual(self.run_db_version(self.url, repos_path), 0)
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# Error script should fail
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script_path = self.tmp_py()
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script_text='''
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from sqlalchemy import *
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from migrate import *
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def upgrade():
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print 'fgsfds'
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raise Exception()
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def downgrade():
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print 'sdfsgf'
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raise Exception()
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'''.replace("\n ", "\n")
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file = open(script_path, 'w')
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file.write(script_text)
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file.close()
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result = self.env.run('migrate test %s %s bla' % (self.url, repos_path), expect_error=True)
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self.assertEqual(result.returncode, 2)
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self.assertEqual(self.run_version(repos_path), 1)
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self.assertEqual(self.run_db_version(self.url, repos_path), 0)
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# Nonempty script using migrate_engine should succeed
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script_path = self.tmp_py()
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script_text = '''
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from sqlalchemy import *
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from migrate import *
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from migrate.changeset import schema
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meta = MetaData(migrate_engine)
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account = Table('account', meta,
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Column('id', Integer, primary_key=True),
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Column('login', Text),
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|
Column('passwd', Text),
|
|
)
|
|
def upgrade():
|
|
# Upgrade operations go here. Don't create your own engine; use the engine
|
|
# named 'migrate_engine' imported from migrate.
|
|
meta.create_all()
|
|
|
|
def downgrade():
|
|
# Operations to reverse the above upgrade go here.
|
|
meta.drop_all()
|
|
'''.replace("\n ", "\n")
|
|
file = open(script_path, 'w')
|
|
file.write(script_text)
|
|
file.close()
|
|
result = self.env.run('migrate test %s %s' % (self.url, repos_path))
|
|
self.assertEqual(self.run_version(repos_path), 1)
|
|
self.assertEqual(self.run_db_version(self.url, repos_path), 0)
|
|
|
|
@usedb()
|
|
def test_rundiffs_in_shell(self):
|
|
# This is a variant of the test_schemadiff tests but run through the shell level.
|
|
# These shell tests are hard to debug (since they keep forking processes)
|
|
# so they shouldn't replace the lower-level tests.
|
|
repos_name = 'repos_name'
|
|
repos_path = self.tmp()
|
|
script_path = self.tmp_py()
|
|
model_module = 'migrate.tests.fixture.models:meta_rundiffs'
|
|
old_model_module = 'migrate.tests.fixture.models:meta_old_rundiffs'
|
|
|
|
# Create empty repository.
|
|
self.meta = MetaData(self.engine)
|
|
self.meta.reflect()
|
|
self.meta.drop_all() # in case junk tables are lying around in the test database
|
|
|
|
result = self.env.run('migrate create %s %s' % (repos_path, repos_name))
|
|
result = self.env.run('migrate drop_version_control %s %s' % (self.url, repos_path), expect_error=True)
|
|
result = self.env.run('migrate version_control %s %s' % (self.url, repos_path))
|
|
self.assertEqual(self.run_version(repos_path), 0)
|
|
self.assertEqual(self.run_db_version(self.url, repos_path), 0)
|
|
|
|
# Setup helper script.
|
|
result = self.env.run('migrate manage %s --repository=%s --url=%s --model=%s'\
|
|
% (script_path, repos_path, self.url, model_module))
|
|
self.assert_(os.path.exists(script_path))
|
|
|
|
# Model is defined but database is empty.
|
|
result = self.env.run('migrate compare_model_to_db %s %s --model=%s' \
|
|
% (self.url, repos_path, model_module))
|
|
self.assert_("tables missing from database: tmp_account_rundiffs" in result.stdout)
|
|
|
|
# Test Deprecation
|
|
result = self.env.run('migrate compare_model_to_db %s %s --model=%s' \
|
|
% (self.url, repos_path, model_module.replace(":", ".")), expect_error=True)
|
|
self.assertEqual(result.returncode, 0)
|
|
self.assertTrue("DeprecationWarning" in result.stderr)
|
|
self.assert_("tables missing from database: tmp_account_rundiffs" in result.stdout)
|
|
|
|
# Update db to latest model.
|
|
result = self.env.run('migrate update_db_from_model %s %s %s'\
|
|
% (self.url, repos_path, model_module))
|
|
self.assertEqual(self.run_version(repos_path), 0)
|
|
self.assertEqual(self.run_db_version(self.url, repos_path), 0) # version did not get bumped yet because new version not yet created
|
|
|
|
result = self.env.run('migrate compare_model_to_db %s %s %s'\
|
|
% (self.url, repos_path, model_module))
|
|
self.assert_("No schema diffs" in result.stdout)
|
|
|
|
result = self.env.run('migrate drop_version_control %s %s' % (self.url, repos_path), expect_error=True)
|
|
result = self.env.run('migrate version_control %s %s' % (self.url, repos_path))
|
|
|
|
result = self.env.run('migrate create_model %s %s' % (self.url, repos_path))
|
|
temp_dict = dict()
|
|
exec result.stdout in temp_dict
|
|
|
|
# TODO: breaks on SA06 and SA05 - in need of total refactor - use different approach
|
|
|
|
# TODO: compare whole table
|
|
self.compare_columns_equal(models.tmp_account_rundiffs.c, temp_dict['tmp_account_rundiffs'].c, ['type'])
|
|
##self.assertTrue("""tmp_account_rundiffs = Table('tmp_account_rundiffs', meta,
|
|
##Column('id', Integer(), primary_key=True, nullable=False),
|
|
##Column('login', String(length=None, convert_unicode=False, assert_unicode=None)),
|
|
##Column('passwd', String(length=None, convert_unicode=False, assert_unicode=None))""" in result.stdout)
|
|
|
|
## We're happy with db changes, make first db upgrade script to go from version 0 -> 1.
|
|
#result = self.env.run('migrate make_update_script_for_model', expect_error=True)
|
|
#self.assertTrue('Not enough arguments' in result.stderr)
|
|
|
|
#result_script = self.env.run('migrate make_update_script_for_model %s %s %s %s'\
|
|
#% (self.url, repos_path, old_model_module, model_module))
|
|
#self.assertEqualIgnoreWhitespace(result_script.stdout,
|
|
#'''from sqlalchemy import *
|
|
#from migrate import *
|
|
|
|
#from migrate.changeset import schema
|
|
|
|
#meta = MetaData()
|
|
#tmp_account_rundiffs = Table('tmp_account_rundiffs', meta,
|
|
#Column('id', Integer(), primary_key=True, nullable=False),
|
|
#Column('login', Text(length=None, convert_unicode=False, assert_unicode=None, unicode_error=None, _warn_on_bytestring=False)),
|
|
#Column('passwd', Text(length=None, convert_unicode=False, assert_unicode=None, unicode_error=None, _warn_on_bytestring=False)),
|
|
#)
|
|
|
|
#def upgrade(migrate_engine):
|
|
## Upgrade operations go here. Don't create your own engine; bind migrate_engine
|
|
## to your metadata
|
|
#meta.bind = migrate_engine
|
|
#tmp_account_rundiffs.create()
|
|
|
|
#def downgrade(migrate_engine):
|
|
## Operations to reverse the above upgrade go here.
|
|
#meta.bind = migrate_engine
|
|
#tmp_account_rundiffs.drop()''')
|
|
|
|
## Save the upgrade script.
|
|
#result = self.env.run('migrate script Desc %s' % repos_path)
|
|
#upgrade_script_path = '%s/versions/001_Desc.py' % repos_path
|
|
#open(upgrade_script_path, 'w').write(result_script.stdout)
|
|
|
|
#result = self.env.run('migrate compare_model_to_db %s %s %s'\
|
|
#% (self.url, repos_path, model_module))
|
|
#self.assert_("No schema diffs" in result.stdout)
|
|
|
|
self.meta.drop_all() # in case junk tables are lying around in the test database
|