x/sqlalchemy-migrate
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update README and fix last bugs

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iElectric 2010-07-08 23:25:41 +02:00
parent a3fb663ef1
commit 3142e023ab
4 changed files with 52 additions and 47 deletions
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14
README
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@ -3,7 +3,7 @@ Inspired by Ruby on Rails' migrations, Migrate provides a way to deal with datab
Migrate extends SQLAlchemy to have database changeset handling. It provides a database change repository mechanism which can be used from the command line as well as from inside python code. Migrate extends SQLAlchemy to have database changeset handling. It provides a database change repository mechanism which can be used from the command line as well as from inside python code.
Help Help
---- ------
Sphinx documentation is available at the project page `packages.python.org <http://packages.python.org/sqlalchemy-migrate/>`_. Sphinx documentation is available at the project page `packages.python.org <http://packages.python.org/sqlalchemy-migrate/>`_.
@ -20,15 +20,15 @@ You can also download `development version <http://sqlalchemy-migrate.googlecode
Tests and Bugs Tests and Bugs
-------------- ------------------
To run automated tests: To run automated tests:
- Copy test_db.cfg.tmpl to test_db.cfg * Copy test_db.cfg.tmpl to test_db.cfg
- Edit test_db.cfg with database connection strings suitable for running tests. (Use empty databases.) * Edit test_db.cfg with database connection strings suitable for running tests. (Use empty databases.)
$ pip install -r test-req.pip * $ pip install -r test-req.pip
$ python setup.py develop * $ python setup.py develop
$ nosetests * $ nosetests
Please report any issues with sqlalchemy-migrate to the issue tracker Please report any issues with sqlalchemy-migrate to the issue tracker
at `code.google.com issues <http://code.google.com/p/sqlalchemy-migrate/issues/list>`_ at `code.google.com issues <http://code.google.com/p/sqlalchemy-migrate/issues/list>`_

4
migrate/tests/changeset/test_constraint.py
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@ -32,8 +32,8 @@ class CommonTestConstraint(fixture.DB):
self.meta = MetaData(self.engine) self.meta = MetaData(self.engine)
self.tablename = 'mytable' self.tablename = 'mytable'
self.table = Table(self.tablename, self.meta, self.table = Table(self.tablename, self.meta,
Column('id', Integer, nullable=False), Column(u'id', Integer, nullable=False),
Column('fkey', Integer, nullable=False), Column(u'fkey', Integer, nullable=False),
mysql_engine='InnoDB') mysql_engine='InnoDB')
if self.engine.has_table(self.table.name): if self.engine.has_table(self.table.name):
self.table.drop() self.table.drop()

4
migrate/tests/fixture/database.py
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@ -163,7 +163,9 @@ class DB(Base):
def compare_columns_equal(self, columns1, columns2, ignore=None): def compare_columns_equal(self, columns1, columns2, ignore=None):
"""Loop through all columns and compare them""" """Loop through all columns and compare them"""
for c1, c2 in zip(list(columns1), list(columns2)): def key(column):
return column.name
for c1, c2 in zip(sorted(columns1, key=key), sorted(columns2, key=key)):
diffs = ColumnDelta(c1, c2).diffs diffs = ColumnDelta(c1, c2).diffs
if ignore: if ignore:
for key in ignore: for key in ignore:

83
migrate/tests/versioning/test_shell.py
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@ -446,7 +446,8 @@ class TestShellDatabase(Shell, DB):
@usedb() @usedb()
def test_rundiffs_in_shell(self): def test_rundiffs_in_shell(self):
# This is a variant of the test_schemadiff tests but run through the shell level. # 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. # 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_name = 'repos_name'
repos_path = self.tmp() repos_path = self.tmp()
script_path = self.tmp_py() script_path = self.tmp_py()
@ -498,50 +499,52 @@ class TestShellDatabase(Shell, DB):
temp_dict = dict() temp_dict = dict()
exec result.stdout in temp_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 # TODO: compare whole table
self.compare_columns_equal(models.tmp_account_rundiffs.c, temp_dict['tmp_account_rundiffs'].c) 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, ##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.assertEqualsIgnoreWhitespace(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('id', Integer(), primary_key=True, nullable=False),
#Column('login', String(length=None, convert_unicode=False, assert_unicode=None)), #Column('login', Text(length=None, convert_unicode=False, assert_unicode=None, unicode_error=None, _warn_on_bytestring=False)),
#Column('passwd', String(length=None, convert_unicode=False, assert_unicode=None))""" in result.stdout) #Column('passwd', Text(length=None, convert_unicode=False, assert_unicode=None, unicode_error=None, _warn_on_bytestring=False)),
#)
# We're happy with db changes, make first db upgrade script to go from version 0 -> 1. #def upgrade(migrate_engine):
result = self.env.run('migrate make_update_script_for_model', expect_error=True) ## Upgrade operations go here. Don't create your own engine; bind migrate_engine
self.assertTrue('Not enough arguments' in result.stderr) ## to your metadata
#meta.bind = migrate_engine
#tmp_account_rundiffs.create()
result_script = self.env.run('migrate make_update_script_for_model %s %s %s %s'\ #def downgrade(migrate_engine):
% (self.url, repos_path, old_model_module, model_module)) ## Operations to reverse the above upgrade go here.
self.assertEqualsIgnoreWhitespace(result_script.stdout, #meta.bind = migrate_engine
'''from sqlalchemy import * #tmp_account_rundiffs.drop()''')
from migrate import *
from migrate.changeset import schema ## 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)
meta = MetaData() #result = self.env.run('migrate compare_model_to_db %s %s %s'\
tmp_account_rundiffs = Table('tmp_account_rundiffs', meta, #% (self.url, repos_path, model_module))
Column('id', Integer(), primary_key=True, nullable=False), #self.assert_("No schema diffs" in result.stdout)
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 self.meta.drop_all() # in case junk tables are lying around in the test database