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293: Added Command.kw_to_args() method; added corresponding unit tests

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This commit is contained in:
Jason Gerard DeRose 2008-09-18 19:39:23 +00:00
parent 4482c71aeb
commit f78f3ed0dd
2 changed files with 37 additions and 19 deletions
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5
ipalib/public.py
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@ -397,6 +397,11 @@ class Command(plugable.Plugin):
yield (arg.name, values[i:])
else:
yield (arg.name, values[i])
else:
break
def kw_to_args(self, **kw):
return tuple(kw.get(name, None) for name in self.args)
class Object(plugable.Plugin):

51
ipalib/tests/test_public.py
View File

@ -376,7 +376,7 @@ class test_Command(ClassChecker):
assert self.cls.takes_options == tuple()
assert self.cls.takes_args == tuple()
def __get_instance(self, args=tuple(), options=tuple()):
def get_instance(self, args=tuple(), options=tuple()):
"""
Helper method used to test args and options.
"""
@ -391,7 +391,7 @@ class test_Command(ClassChecker):
"""
assert list(self.cls().get_args()) == []
args = ('login', 'stuff')
o = self.__get_instance(args=args)
o = self.get_instance(args=args)
assert o.get_args() is args
def test_get_options(self):
@ -400,7 +400,7 @@ class test_Command(ClassChecker):
"""
assert list(self.cls().get_options()) == []
options = ('verbose', 'debug')
o = self.__get_instance(options=options)
o = self.get_instance(options=options)
assert o.get_options() is options
def test_args(self):
@ -412,7 +412,7 @@ class test_Command(ClassChecker):
assert type(ns) is plugable.NameSpace
assert len(ns) == 0
args = ('destination', 'source?')
ns = self.__get_instance(args=args).args
ns = self.get_instance(args=args).args
assert type(ns) is plugable.NameSpace
assert len(ns) == len(args)
assert list(ns) == ['destination', 'source']
@ -424,16 +424,16 @@ class test_Command(ClassChecker):
assert ns.source.multivalue is False
# Test TypeError:
e = raises(TypeError, self.__get_instance, args=(u'whatever',))
e = raises(TypeError, self.get_instance, args=(u'whatever',))
assert str(e) == \
'arg: need %r or %r; got %r' % (str, public.Option, u'whatever')
# Test ValueError, required after optional:
e = raises(ValueError, self.__get_instance, args=('arg1?', 'arg2'))
e = raises(ValueError, self.get_instance, args=('arg1?', 'arg2'))
assert str(e) == 'arg2: required argument after optional'
# Test ValueError, scalar after multivalue:
e = raises(ValueError, self.__get_instance, args=('arg1+', 'arg2'))
e = raises(ValueError, self.get_instance, args=('arg1+', 'arg2'))
assert str(e) == 'arg2: only final argument can be multivalue'
def test_options(self):
@ -445,7 +445,7 @@ class test_Command(ClassChecker):
assert type(ns) is plugable.NameSpace
assert len(ns) == 0
options = ('target', 'files*')
ns = self.__get_instance(options=options).options
ns = self.get_instance(options=options).options
assert type(ns) is plugable.NameSpace
assert len(ns) == len(options)
assert list(ns) == ['target', 'files']
@ -551,54 +551,67 @@ class test_Command(ClassChecker):
assert 'execute' in self.cls.__public__ # Public
def test_group_args(self):
o = self.__get_instance(args=('one', 'two?'))
o = self.get_instance(args=('one', 'two?'))
assert o.group_args(1) == (1, None)
assert o.group_args(1, 2) == (1, 2)
o = self.__get_instance(args=('one', 'two*'))
o = self.get_instance(args=('one', 'two*'))
assert o.group_args(1) == (1, None)
assert o.group_args(1, 2) == (1, (2,))
assert o.group_args(1, 2, 3) == (1, (2, 3))
o = self.__get_instance(args=('one', 'two+'))
o = self.get_instance(args=('one', 'two+'))
assert o.group_args(1, 2) == (1, (2,))
assert o.group_args(1, 2, 3) == (1, (2, 3))
o = self.__get_instance()
o = self.get_instance()
e = raises(errors.ArgumentError, o.group_args, 1)
assert str(e) == 'example takes no arguments'
o = self.__get_instance(args=('one?',))
o = self.get_instance(args=('one?',))
e = raises(errors.ArgumentError, o.group_args, 1, 2)
assert str(e) == 'example takes at most 1 argument'
o = self.__get_instance(args=('one', 'two?'))
o = self.get_instance(args=('one', 'two?'))
e = raises(errors.ArgumentError, o.group_args, 1, 2, 3)
assert str(e) == 'example takes at most 2 arguments'
o = self.__get_instance(args=('one', 'two?'))
o = self.get_instance(args=('one', 'two?'))
e = raises(errors.ArgumentError, o.group_args)
assert str(e) == 'example takes at least 1 argument'
o = self.__get_instance(args=('one', 'two', 'three?'))
o = self.get_instance(args=('one', 'two', 'three?'))
e = raises(errors.ArgumentError, o.group_args, 1)
assert str(e) == 'example takes at least 2 arguments'
def test_args_to_kw(self):
o = self.__get_instance(args=('one', 'two?'))
o = self.get_instance(args=('one', 'two?'))
assert o.args_to_kw(1) == dict(one=1)
assert o.args_to_kw(1, 2) == dict(one=1, two=2)
o = self.__get_instance(args=('one', 'two*'))
o = self.get_instance(args=('one', 'two*'))
assert o.args_to_kw(1) == dict(one=1)
assert o.args_to_kw(1, 2) == dict(one=1, two=(2,))
assert o.args_to_kw(1, 2, 3) == dict(one=1, two=(2, 3))
o = self.__get_instance(args=('one', 'two+'))
o = self.get_instance(args=('one', 'two+'))
assert o.args_to_kw(1) == dict(one=1)
assert o.args_to_kw(1, 2) == dict(one=1, two=(2,))
assert o.args_to_kw(1, 2, 3) == dict(one=1, two=(2, 3))
def test_kw_to_args(self):
"""
Tests the `public.Command.kw_to_arg` method.
"""
o = self.get_instance(args=('one', 'two?'))
assert o.kw_to_args() == (None, None)
assert o.kw_to_args(whatever='hello') == (None, None)
assert o.kw_to_args(one='the one') == ('the one', None)
assert o.kw_to_args(two='the two') == (None, 'the two')
assert o.kw_to_args(whatever='hello', two='Two', one='One') == \
('One', 'Two')
class test_Object(ClassChecker):
"""