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# Authors:
# Jason Gerard DeRose <jderose@redhat.com>
#
# Copyright (C) 2008 Red Hat
# see file 'COPYING' for use and warranty information
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
"""
Test the `ipalib.backend` module.
"""
import threading
from tests.util import ClassChecker, raises, create_test_api
from tests.data import unicode_str
from ipalib.request import context, Connection
from ipalib.frontend import Command
from ipalib import backend, plugable, errors, base
class test_Backend(ClassChecker):
"""
Test the `ipalib.backend.Backend` class.
"""
_cls = backend.Backend
def test_class(self):
assert self.cls.__bases__ == (plugable.Plugin,)
class Disconnect(object):
called = False
def __init__(self, id=None):
self.id = id
def __call__(self):
assert self.called is False
self.called = True
if self.id is not None:
delattr(context, self.id)
class test_Connectible(ClassChecker):
"""
Test the `ipalib.backend.Connectible` class.
"""
_cls = backend.Connectible
def test_connect(self):
"""
Test the `ipalib.backend.Connectible.connect` method.
"""
# Test that connection is created:
class example(self.cls):
def create_connection(self, *args, **kw):
object.__setattr__(self, 'args', args)
object.__setattr__(self, 'kw', kw)
return 'The connection.'
o = example()
args = ('Arg1', 'Arg2', 'Arg3')
kw = dict(key1='Val1', key2='Val2', key3='Val3')
assert not hasattr(context, 'example')
assert o.connect(*args, **kw) is None
conn = context.example
assert type(conn) is Connection
assert o.args == args
assert o.kw == kw
assert conn.conn == 'The connection.'
assert conn.disconnect == o.disconnect
# Test that StandardError is raised if already connected:
m = "connect: 'context.%s' already exists in thread %r"
e = raises(StandardError, o.connect, *args, **kw)
assert str(e) == m % ('example', threading.currentThread().getName())
# Double check that it works after deleting context.example:
del context.example
assert o.connect(*args, **kw) is None
def test_create_connection(self):
"""
Test the `ipalib.backend.Connectible.create_connection` method.
"""
class example(self.cls):
pass
for klass in (self.cls, example):
o = klass()
e = raises(NotImplementedError, o.create_connection)
assert str(e) == '%s.create_connection()' % klass.__name__
def test_disconnect(self):
"""
Test the `ipalib.backend.Connectible.disconnect` method.
"""
class example(self.cls):
destroy_connection = Disconnect()
o = example()
m = "disconnect: 'context.%s' does not exist in thread %r"
e = raises(StandardError, o.disconnect)
assert str(e) == m % ('example', threading.currentThread().getName())
context.example = 'The connection.'
assert o.disconnect() is None
assert example.destroy_connection.called is True
def test_destroy_connection(self):
"""
Test the `ipalib.backend.Connectible.destroy_connection` method.
"""
class example(self.cls):
pass
for klass in (self.cls, example):
o = klass()
e = raises(NotImplementedError, o.destroy_connection)
assert str(e) == '%s.destroy_connection()' % klass.__name__
def test_isconnected(self):
"""
Test the `ipalib.backend.Connectible.isconnected` method.
"""
class example(self.cls):
pass
for klass in (self.cls, example):
o = klass()
assert o.isconnected() is False
conn = 'whatever'
setattr(context, klass.__name__, conn)
assert o.isconnected() is True
delattr(context, klass.__name__)
def test_conn(self):
"""
Test the `ipalib.backend.Connectible.conn` property.
"""
msg = 'no context.%s in thread %r'
class example(self.cls):
pass
for klass in (self.cls, example):
o = klass()
e = raises(AttributeError, getattr, o, 'conn')
assert str(e) == msg % (
klass.__name__, threading.currentThread().getName()
)
conn = Connection('The connection.', Disconnect())
setattr(context, klass.__name__, conn)
assert o.conn is conn.conn
delattr(context, klass.__name__)
class test_Executioner(ClassChecker):
"""
Test the `ipalib.backend.Executioner` class.
"""
_cls = backend.Executioner
def test_execute(self):
"""
Test the `ipalib.backend.Executioner.execute` method.
"""
(api, home) = create_test_api(in_server=True)
class echo(Command):
takes_args = ('arg1', 'arg2+')
takes_options = ('option1?', 'option2?')
def execute(self, *args, **options):
assert type(args[1]) is tuple
return dict(result=args + (options,))
api.register(echo)
class good(Command):
def execute(self):
raise errors.ValidationError(
name='nurse',
error=u'Not naughty!',
)
api.register(good)
class bad(Command):
def execute(self):
raise ValueError('This is private.')
api.register(bad)
class with_name(Command):
"""
Test that a kwarg named 'name' can be used.
"""
takes_options = 'name'
def execute(self, **options):
return dict(result=options['name'].upper())
api.register(with_name)
api.finalize()
o = self.cls()
o.set_api(api)
o.finalize()
# Test that CommandError is raised:
conn = Connection('The connection.', Disconnect('someconn'))
context.someconn = conn
print str(context.__dict__.keys())
e = raises(errors.CommandError, o.execute, 'nope')
assert e.name == 'nope'
assert conn.disconnect.called is True # Make sure destroy_context() was called
print str(context.__dict__.keys())
assert context.__dict__.keys() == []
# Test with echo command:
arg1 = unicode_str
arg2 = (u'Hello', unicode_str, u'world!')
args = (arg1,) + arg2
options = dict(option1=u'How are you?', option2=unicode_str)
conn = Connection('The connection.', Disconnect('someconn'))
context.someconn = conn
assert o.execute('echo', arg1, arg2, **options) == dict(
result=(arg1, arg2, options)
)
assert conn.disconnect.called is True # Make sure destroy_context() was called
assert context.__dict__.keys() == []
conn = Connection('The connection.', Disconnect('someconn'))
context.someconn = conn
assert o.execute('echo', *args, **options) == dict(
result=(arg1, arg2, options)
)
assert conn.disconnect.called is True # Make sure destroy_context() was called
assert context.__dict__.keys() == []
# Test with good command:
conn = Connection('The connection.', Disconnect('someconn'))
context.someconn = conn
e = raises(errors.ValidationError, o.execute, 'good')
assert e.name == 'nurse'
assert e.error == u'Not naughty!'
assert conn.disconnect.called is True # Make sure destroy_context() was called
assert context.__dict__.keys() == []
# Test with bad command:
conn = Connection('The connection.', Disconnect('someconn'))
context.someconn = conn
e = raises(errors.InternalError, o.execute, 'bad')
assert conn.disconnect.called is True # Make sure destroy_context() was called
assert context.__dict__.keys() == []
# Test with option 'name':
conn = Connection('The connection.', Disconnect('someconn'))
context.someconn = conn
assert o.execute('with_name', name=u'test') == dict(result=u'TEST')
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