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317 lines
6.6 KiB
Python
317 lines
6.6 KiB
Python
# 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
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# modify it under the terms of the GNU General Public License as
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# published by the Free Software Foundation; version 2 only
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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, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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"""
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Unit tests for `ipalib.base` module.
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"""
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from ipalib import base, exceptions
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def read_only(obj, name):
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"""
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Check that a given property is read-only.
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Returns the value of the property.
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"""
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assert isinstance(obj, object)
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assert hasattr(obj, name)
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raised = False
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try:
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setattr(obj, name, 'some new obj')
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except AttributeError:
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raised = True
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assert raised
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return getattr(obj, name)
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class ClassChecker(object):
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cls = None # Override this is subclasses
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def new(self, *args, **kw):
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return self.cls(*args, **kw)
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def args(self):
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return []
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def kw(self):
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return {}
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def std(self):
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return self.new(*self.args(), **self.kw())
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class test_Named:
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"""
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Unit tests for `Named` class.
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"""
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cls = base.Named
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def new(self):
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class tst_verb_object(self.cls):
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prefix = 'tst'
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return tst_verb_object()
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def test_prefix(self):
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"""
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Test prefix exception.
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"""
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# Test Example class:
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class Example(self.cls):
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prefix = 'eg'
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# Two test subclasses:
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class do_stuff(Example):
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pass
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class eg_do_stuff(Example):
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pass
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# Test that PrefixError is raised with incorrectly named subclass:
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raised = False
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try:
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do_stuff()
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except exceptions.PrefixError:
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raised = True
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assert raised
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# Test that correctly named subclass works:
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eg_do_stuff()
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def test_name(self):
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"""
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Test Named.name property.
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"""
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obj = self.new()
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assert read_only(obj, 'name') == 'verb_object'
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def test_name_cli(self):
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"""
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Test Named.name_cli property.
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"""
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obj = self.new()
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assert read_only(obj, 'name_cli') == 'verb-object'
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class test_NameSpace:
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"""
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Unit tests for `NameSpace` class.
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"""
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def ns(self, kw):
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"""
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Returns a new NameSpace instance.
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"""
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return base.NameSpace(kw)
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def kw(self):
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"""
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Returns standard test kw dict suitable for passing to
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NameSpace.__init__().
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"""
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return dict(
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attr_a='Hello',
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attr_b='all',
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attr_c='yall!',
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)
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def std(self):
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"""
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Returns standard (kw, ns) tuple.
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"""
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kw = self.kw()
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ns = self.ns(kw)
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return (kw, ns)
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def test_public(self):
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"""
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Tests that a NameSpace instance created with empty dict has no public
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attributes (that would then conflict with names we want to assign to
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the NameSpace). Also tests that a NameSpace instance created with a
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non-empty dict has no unexpected public methods.
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"""
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ns = self.ns({})
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assert list(ns) == []
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assert len(ns) == 0
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for name in dir(ns):
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assert name.startswith('__') or name.startswith('_NameSpace__')
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(kw, ns) = self.std()
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keys = set(kw)
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for name in dir(ns):
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assert (
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name.startswith('__') or
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name.startswith('_NameSpace__') or
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name in keys
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)
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def test_dict_vs_attr(self):
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"""
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Tests that NameSpace.__getitem__() and NameSpace.__getattr__() return
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the same values.
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"""
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(kw, ns) = self.std()
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assert len(kw) > 0
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assert len(kw) == len(list(ns))
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for (key, val) in kw.items():
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assert ns[key] is val
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assert getattr(ns, key) is val
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def test_setattr(self):
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"""
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Tests that attributes cannot be set on NameSpace instance.
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"""
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(kw, ns) = self.std()
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value = 'new value'
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for key in kw:
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raised = False
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try:
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setattr(ns, key, value)
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except exceptions.SetError:
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raised = True
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assert raised
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assert getattr(ns, key, None) != value
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assert ns[key] != value
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def test_setitem(self):
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"""
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Tests that attributes cannot be set via NameSpace dict interface.
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"""
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(kw, ns) = self.std()
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value = 'new value'
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for key in kw:
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raised = False
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try:
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ns[key] = value
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except TypeError:
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raised = True
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assert raised
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assert getattr(ns, key, None) != value
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assert ns[key] != value
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def test_hasitem(self):
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"""
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Test __hasitem__() membership method.
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"""
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(kw, ns) = self.std()
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nope = [
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'attr_d',
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'attr_e',
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'whatever',
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]
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for key in kw:
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assert key in ns
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for key in nope:
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assert key not in kw
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assert key not in ns
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def test_iter(self):
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"""
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Tests that __iter__() method returns sorted list of attribute names.
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"""
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(kw, ns) = self.std()
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assert list(ns) == sorted(kw)
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assert [ns[k] for k in ns] == ['Hello', 'all', 'yall!']
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def test_len(self):
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"""
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Test __len__() method.
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"""
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(kw, ns) = self.std()
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assert len(kw) == len(ns) == 3
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class test_Command(ClassChecker):
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class cmd_some_command(base.Command):
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pass
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cls = cmd_some_command
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def test_fresh(self):
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c = self.new()
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assert isinstance(c, base.Named)
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assert c.name == 'some_command'
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assert c.name_cli == 'some-command'
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assert callable(c)
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class test_API:
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"""
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Unit tests for `API` class.
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"""
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def new(self):
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"""
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Returns a new API instance.
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"""
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return base.API()
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def test_fresh(self):
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"""
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Test expectations of a fresh API instance.
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"""
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api = self.new()
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assert read_only(api, 'objects') is None
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assert read_only(api, 'objects') is None
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def test_register_command(self):
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api = self.new()
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class cmd_my_command(base.Command):
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pass
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class cmd_another_command(base.Command):
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pass
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# Check that RegistrationError is raised when registering anything
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# other than a subclass of Command:
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for obj in [object, cmd_my_command()]:
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raised = False
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try:
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api.register_command(obj)
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except exceptions.RegistrationError:
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raised = True
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assert raised
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# Check that command registration works:
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api.register_command(cmd_my_command)
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api.register_command(cmd_another_command)
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# Check that DuplicateError is raised when registering the same class
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# twice:
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raised = False
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try:
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api.register_command(cmd_my_command)
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except exceptions.DuplicateError:
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raised = True
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assert raised
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# Check that OverrideError is raised when registering same name
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# without override = True:
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class cmd_my_command(base.Command):
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pass
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raised = False
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try:
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api.register_command(cmd_my_command)
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except exceptions.OverrideError:
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raised = True
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assert raised
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# Check that override=True works:
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api.register_command(cmd_my_command, override=True)
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