Imported Upstream version 4.6.2
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Mario Fetka
286
ipatests/test_ipalib/test_backend.py
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286
ipatests/test_ipalib/test_backend.py
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# Authors:
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# Jason Gerard DeRose <jderose@redhat.com>
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#
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# Copyright (C) 2008 Red Hat
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# see file 'COPYING' for use and warranty information
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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"""
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Test the `ipalib.backend` module.
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"""
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from __future__ import print_function
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# FIXME: Pylint errors
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# pylint: disable=no-member
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# pylint: disable=maybe-no-member
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import threading
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from ipatests.util import ClassChecker, raises, create_test_api
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from ipatests.data import unicode_str
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from ipalib.request import context, Connection
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from ipalib.frontend import Command
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from ipalib import backend, plugable, errors
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from ipapython.version import API_VERSION
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import pytest
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pytestmark = pytest.mark.tier0
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class test_Backend(ClassChecker):
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"""
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Test the `ipalib.backend.Backend` class.
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"""
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_cls = backend.Backend
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def test_class(self):
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assert self.cls.__bases__ == (plugable.Plugin,)
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class Disconnect(object):
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called = False
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def __init__(self, id=None):
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self.id = id
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def __call__(self):
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assert self.called is False
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self.called = True
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if self.id is not None:
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delattr(context, self.id)
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class test_Connectible(ClassChecker):
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"""
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Test the `ipalib.backend.Connectible` class.
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"""
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_cls = backend.Connectible
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def test_connect(self):
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"""
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Test the `ipalib.backend.Connectible.connect` method.
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"""
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# Test that connection is created:
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api = 'the api instance'
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class example(self.cls):
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def create_connection(self, *args, **kw):
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object.__setattr__(self, 'args', args)
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object.__setattr__(self, 'kw', kw)
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return 'The connection.'
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o = example(api, shared_instance=True)
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args = ('Arg1', 'Arg2', 'Arg3')
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kw = dict(key1='Val1', key2='Val2', key3='Val3')
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assert not hasattr(context, 'example')
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assert o.connect(*args, **kw) is None
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conn = context.example
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assert type(conn) is Connection
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assert o.args == args
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assert o.kw == kw
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assert conn.conn == 'The connection.'
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assert conn.disconnect == o.disconnect
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# Test that Exception is raised if already connected:
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m = "{0} is already connected ({1} in {2})"
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e = raises(Exception, o.connect, *args, **kw)
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assert str(e) == m.format(
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'example', o.id, threading.currentThread().getName())
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# Double check that it works after deleting context.example:
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del context.example
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assert o.connect(*args, **kw) is None
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def test_create_connection(self):
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"""
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Test the `ipalib.backend.Connectible.create_connection` method.
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"""
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api = 'the api instance'
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class example(self.cls):
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pass
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for klass in (self.cls, example):
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o = klass(api, shared_instance=True)
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e = raises(NotImplementedError, o.create_connection)
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assert str(e) == '%s.create_connection()' % klass.__name__
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def test_disconnect(self):
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"""
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Test the `ipalib.backend.Connectible.disconnect` method.
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"""
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api = 'the api instance'
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class example(self.cls):
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destroy_connection = Disconnect()
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o = example(api, shared_instance=True)
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m = "{0} is not connected ({1} in {2})"
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e = raises(Exception, o.disconnect)
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assert str(e) == m.format(
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'example', o.id, threading.currentThread().getName())
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context.example = 'The connection.'
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assert o.disconnect() is None
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assert example.destroy_connection.called is True
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def test_destroy_connection(self):
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"""
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Test the `ipalib.backend.Connectible.destroy_connection` method.
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"""
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api = 'the api instance'
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class example(self.cls):
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pass
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for klass in (self.cls, example):
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o = klass(api, shared_instance=True)
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e = raises(NotImplementedError, o.destroy_connection)
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assert str(e) == '%s.destroy_connection()' % klass.__name__
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def test_isconnected(self):
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"""
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Test the `ipalib.backend.Connectible.isconnected` method.
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"""
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api = 'the api instance'
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class example(self.cls):
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pass
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for klass in (self.cls, example):
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o = klass(api, shared_instance=True)
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assert o.isconnected() is False
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conn = 'whatever'
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setattr(context, klass.__name__, conn)
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assert o.isconnected() is True
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delattr(context, klass.__name__)
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def test_conn(self):
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"""
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Test the `ipalib.backend.Connectible.conn` property.
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"""
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api = 'the api instance'
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msg = '{0} is not connected ({1} in {2})'
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class example(self.cls):
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pass
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for klass in (self.cls, example):
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o = klass(api, shared_instance=True)
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e = raises(AttributeError, getattr, o, 'conn')
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assert str(e) == msg.format(
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klass.__name__, o.id, threading.currentThread().getName()
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)
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conn = Connection('The connection.', Disconnect())
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setattr(context, klass.__name__, conn)
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assert o.conn is conn.conn
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delattr(context, klass.__name__)
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class test_Executioner(ClassChecker):
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"""
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Test the `ipalib.backend.Executioner` class.
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"""
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_cls = backend.Executioner
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def test_execute(self):
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"""
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Test the `ipalib.backend.Executioner.execute` method.
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"""
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api, _home = create_test_api(in_server=True)
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class echo(Command):
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takes_args = ('arg1', 'arg2+')
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takes_options = ('option1?', 'option2?')
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def execute(self, *args, **options):
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assert type(args[1]) is tuple
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return dict(result=args + (options,))
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api.add_plugin(echo)
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class good(Command):
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def execute(self, **options):
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raise errors.ValidationError(
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name='nurse',
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error=u'Not naughty!',
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)
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api.add_plugin(good)
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class bad(Command):
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def execute(self, **options):
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raise ValueError('This is private.')
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api.add_plugin(bad)
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class with_name(Command):
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"""
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Test that a kwarg named 'name' can be used.
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"""
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takes_options = 'name'
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def execute(self, **options):
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return dict(result=options['name'].upper())
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api.add_plugin(with_name)
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api.finalize()
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o = self.cls(api)
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o.finalize()
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# Test that CommandError is raised:
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conn = Connection('The connection.', Disconnect('someconn'))
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context.someconn = conn
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print(str(list(context.__dict__)))
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e = raises(errors.CommandError, o.execute, 'nope')
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assert e.name == 'nope'
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assert conn.disconnect.called is True # Make sure destroy_context() was called
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print(str(list(context.__dict__)))
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assert list(context.__dict__) == []
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# Test with echo command:
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arg1 = unicode_str
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arg2 = (u'Hello', unicode_str, u'world!')
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args = (arg1,) + arg2
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options = dict(option1=u'How are you?', option2=unicode_str,
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version=API_VERSION)
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conn = Connection('The connection.', Disconnect('someconn'))
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context.someconn = conn
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print(o.execute('echo', arg1, arg2, **options))
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print(dict(
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result=(arg1, arg2, options)
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))
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assert o.execute('echo', arg1, arg2, **options) == dict(
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result=(arg1, arg2, options)
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)
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assert conn.disconnect.called is True # Make sure destroy_context() was called
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assert list(context.__dict__) == []
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conn = Connection('The connection.', Disconnect('someconn'))
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context.someconn = conn
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assert o.execute('echo', *args, **options) == dict(
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result=(arg1, arg2, options)
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)
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assert conn.disconnect.called is True # Make sure destroy_context() was called
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assert list(context.__dict__) == []
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# Test with good command:
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conn = Connection('The connection.', Disconnect('someconn'))
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context.someconn = conn
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e = raises(errors.ValidationError, o.execute, 'good')
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assert e.name == 'nurse'
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assert e.error == u'Not naughty!'
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assert conn.disconnect.called is True # Make sure destroy_context() was called
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assert list(context.__dict__) == []
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# Test with bad command:
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conn = Connection('The connection.', Disconnect('someconn'))
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context.someconn = conn
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e = raises(errors.InternalError, o.execute, 'bad')
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assert conn.disconnect.called is True # Make sure destroy_context() was called
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assert list(context.__dict__) == []
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# Test with option 'name':
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conn = Connection('The connection.', Disconnect('someconn'))
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context.someconn = conn
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expected = dict(result=u'TEST')
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assert expected == o.execute('with_name', name=u'test',
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version=API_VERSION)
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