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Diffstat (limited to 'tests/test_ipalib/test_parameters.py')
| -rw-r--r-- | tests/test_ipalib/test_parameters.py | 884 |
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diff --git a/tests/test_ipalib/test_parameters.py b/tests/test_ipalib/test_parameters.py new file mode 100644 index 000000000..d98888ab8 --- /dev/null +++ b/tests/test_ipalib/test_parameters.py @@ -0,0 +1,884 @@ +# 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; version 2 only +# +# 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, write to the Free Software +# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + +""" +Test the `ipalib.parameter` module. +""" + +from types import NoneType +from inspect import isclass +from tests.util import raises, ClassChecker, read_only +from tests.util import dummy_ugettext, assert_equal +from tests.data import binary_bytes, utf8_bytes, unicode_str +from ipalib import parameter, request, errors2 +from ipalib.constants import TYPE_ERROR, CALLABLE_ERROR, NULLS + + +class test_DefaultFrom(ClassChecker): + """ + Test the `ipalib.parameter.DefaultFrom` class. + """ + _cls = parameter.DefaultFrom + + def test_init(self): + """ + Test the `ipalib.parameter.DefaultFrom.__init__` method. + """ + def callback(*args): + return args + keys = ('givenname', 'sn') + o = self.cls(callback, *keys) + assert read_only(o, 'callback') is callback + assert read_only(o, 'keys') == keys + lam = lambda first, last: first[0] + last + o = self.cls(lam) + assert read_only(o, 'keys') == ('first', 'last') + + # Test that TypeError is raised when callback isn't callable: + e = raises(TypeError, self.cls, 'whatever') + assert str(e) == CALLABLE_ERROR % ('callback', 'whatever', str) + + # Test that TypeError is raised when a key isn't an str: + e = raises(TypeError, self.cls, callback, 'givenname', 17) + assert str(e) == TYPE_ERROR % ('keys', str, 17, int) + + def test_call(self): + """ + Test the `ipalib.parameter.DefaultFrom.__call__` method. + """ + def callback(givenname, sn): + return givenname[0] + sn[0] + keys = ('givenname', 'sn') + o = self.cls(callback, *keys) + kw = dict( + givenname='John', + sn='Public', + hello='world', + ) + assert o(**kw) == 'JP' + assert o() is None + for key in ('givenname', 'sn'): + kw_copy = dict(kw) + del kw_copy[key] + assert o(**kw_copy) is None + + # Test using implied keys: + o = self.cls(lambda first, last: first[0] + last) + assert o(first='john', last='doe') == 'jdoe' + assert o(first='', last='doe') is None + assert o(one='john', two='doe') is None + + # Test that co_varnames slice is used: + def callback2(first, last): + letter = first[0] + return letter + last + o = self.cls(callback2) + assert o.keys == ('first', 'last') + assert o(first='john', last='doe') == 'jdoe' + + +def test_parse_param_spec(): + """ + Test the `ipalib.parameter.parse_param_spec` function. + """ + f = parameter.parse_param_spec + assert f('name') == ('name', dict(required=True, multivalue=False)) + assert f('name?') == ('name', dict(required=False, multivalue=False)) + assert f('name*') == ('name', dict(required=False, multivalue=True)) + assert f('name+') == ('name', dict(required=True, multivalue=True)) + + # Make sure other "funny" endings are *not* treated special: + assert f('name^') == ('name^', dict(required=True, multivalue=False)) + + # Test that TypeError is raised if spec isn't an str: + e = raises(TypeError, f, u'name?') + assert str(e) == TYPE_ERROR % ('spec', str, u'name?', unicode) + + # Test that ValueError is raised if len(spec) < 2: + e = raises(ValueError, f, 'n') + assert str(e) == "spec must be at least 2 characters; got 'n'" + + +class DummyRule(object): + def __init__(self, error=None): + assert error is None or type(error) is unicode + self.error = error + self.reset() + + def __call__(self, *args): + self.calls.append(args) + return self.error + + def reset(self): + self.calls = [] + + +class test_Param(ClassChecker): + """ + Test the `ipalib.parameter.Param` class. + """ + _cls = parameter.Param + + def test_init(self): + """ + Test the `ipalib.parameter.Param.__init__` method. + """ + name = 'my_param' + o = self.cls(name) + assert o.param_spec is name + assert o.name is name + assert o.nice == "Param('my_param')" + assert o.__islocked__() is True + + # Test default rules: + assert o.rules == tuple() + assert o.class_rules == tuple() + assert o.all_rules == tuple() + + # Test default kwarg values: + assert o.cli_name is name + assert o.label is None + assert o.doc == '' + assert o.required is True + assert o.multivalue is False + assert o.primary_key is False + assert o.normalizer is None + assert o.default is None + assert o.default_from is None + assert o.create_default is None + assert o._get_default is None + assert o.autofill is False + assert o.flags == frozenset() + + # Test that ValueError is raised when a kwarg from a subclass + # conflicts with an attribute: + class Subclass(self.cls): + kwargs = self.cls.kwargs + ( + ('convert', callable, None), + ) + e = raises(ValueError, Subclass, name) + assert str(e) == "kwarg 'convert' conflicts with attribute on Subclass" + + # Test type validation of keyword arguments: + class Subclass(self.cls): + kwargs = self.cls.kwargs + ( + ('extra1', bool, True), + ('extra2', str, 'Hello'), + ('extra3', (int, float), 42), + ('extra4', callable, lambda whatever: whatever + 7), + ) + o = Subclass('my_param') # Test with no **kw: + for (key, kind, default) in o.kwargs: + # Test with a type invalid for all: + value = object() + kw = {key: value} + e = raises(TypeError, Subclass, 'my_param', **kw) + if kind is callable: + assert str(e) == CALLABLE_ERROR % (key, value, type(value)) + else: + assert str(e) == TYPE_ERROR % (key, kind, value, type(value)) + # Test with None: + kw = {key: None} + Subclass('my_param', **kw) + + # Test when using unknown kwargs: + e = raises(TypeError, self.cls, 'my_param', + flags=['hello', 'world'], + whatever=u'Hooray!', + ) + assert str(e) == \ + "Param('my_param'): takes no such kwargs: 'whatever'" + e = raises(TypeError, self.cls, 'my_param', great='Yes', ape='he is!') + assert str(e) == \ + "Param('my_param'): takes no such kwargs: 'ape', 'great'" + + # Test that ValueError is raised if you provide both default_from and + # create_default: + e = raises(ValueError, self.cls, 'my_param', + default_from=lambda first, last: first[0] + last, + create_default=lambda **kw: 'The Default' + ) + assert str(e) == '%s: cannot have both %r and %r' % ( + "Param('my_param')", 'default_from', 'create_default', + ) + + # Test that _get_default gets set: + call1 = lambda first, last: first[0] + last + call2 = lambda **kw: 'The Default' + o = self.cls('my_param', default_from=call1) + assert o.default_from.callback is call1 + assert o._get_default is o.default_from + o = self.cls('my_param', create_default=call2) + assert o.create_default is call2 + assert o._get_default is call2 + + def test_repr(self): + """ + Test the `ipalib.parameter.Param.__repr__` method. + """ + for name in ['name', 'name?', 'name*', 'name+']: + o = self.cls(name) + assert repr(o) == 'Param(%r)' % name + o = self.cls('name', required=False) + assert repr(o) == "Param('name', required=False)" + o = self.cls('name', multivalue=True) + assert repr(o) == "Param('name', multivalue=True)" + + def test_clone(self): + """ + Test the `ipalib.parameter.Param.clone` method. + """ + # Test with the defaults + orig = self.cls('my_param') + clone = orig.clone() + assert clone is not orig + assert type(clone) is self.cls + assert clone.name is orig.name + for (key, kind, default) in self.cls.kwargs: + assert getattr(clone, key) is getattr(orig, key) + + # Test with a param spec: + orig = self.cls('my_param*') + assert orig.param_spec == 'my_param*' + clone = orig.clone() + assert clone.param_spec == 'my_param' + assert clone is not orig + assert type(clone) is self.cls + for (key, kind, default) in self.cls.kwargs: + assert getattr(clone, key) is getattr(orig, key) + + # Test with overrides: + orig = self.cls('my_param*') + assert orig.required is False + assert orig.multivalue is True + clone = orig.clone(required=True) + assert clone is not orig + assert type(clone) is self.cls + assert clone.required is True + assert clone.multivalue is True + assert clone.param_spec == 'my_param' + assert clone.name == 'my_param' + + def test_get_label(self): + """ + Test the `ipalib.parameter.get_label` method. + """ + context = request.context + cli_name = 'the_cli_name' + message = 'The Label' + label = lambda _: _(message) + o = self.cls('name', cli_name=cli_name, label=label) + assert o.label is label + + ## Scenario 1: label=callable (a lambda form) + + # Test with no context.ugettext: + assert not hasattr(context, 'ugettext') + assert_equal(o.get_label(), u'The Label') + + # Test with dummy context.ugettext: + assert not hasattr(context, 'ugettext') + dummy = dummy_ugettext() + context.ugettext = dummy + assert o.get_label() is dummy.translation + assert dummy.message is message + del context.ugettext + + ## Scenario 2: label=None + o = self.cls('name', cli_name=cli_name) + assert o.label is None + + # Test with no context.ugettext: + assert not hasattr(context, 'ugettext') + assert_equal(o.get_label(), u'the_cli_name') + + # Test with dummy context.ugettext: + assert not hasattr(context, 'ugettext') + dummy = dummy_ugettext() + context.ugettext = dummy + assert_equal(o.get_label(), u'the_cli_name') + assert not hasattr(dummy, 'message') + + # Cleanup + del context.ugettext + assert not hasattr(context, 'ugettext') + + def test_convert(self): + """ + Test the `ipalib.parameter.Param.convert` method. + """ + okay = ('Hello', u'Hello', 0, 4.2, True, False) + class Subclass(self.cls): + def _convert_scalar(self, value, index=None): + return value + + # Test when multivalue=False: + o = Subclass('my_param') + for value in NULLS: + assert o.convert(value) is None + for value in okay: + assert o.convert(value) is value + + # Test when multivalue=True: + o = Subclass('my_param', multivalue=True) + for value in NULLS: + assert o.convert(value) is None + assert o.convert(okay) == okay + assert o.convert(NULLS) is None + assert o.convert(okay + NULLS) == okay + assert o.convert(NULLS + okay) == okay + for value in okay: + assert o.convert(value) == (value,) + assert o.convert([None, value]) == (value,) + assert o.convert([value, None]) == (value,) + + def test_convert_scalar(self): + """ + Test the `ipalib.parameter.Param._convert_scalar` method. + """ + dummy = dummy_ugettext() + + # Test with correct type: + o = self.cls('my_param') + assert o._convert_scalar(None) is None + assert dummy.called() is False + # Test with incorrect type + e = raises(errors2.ConversionError, o._convert_scalar, 'hello', index=17) + + def test_validate(self): + """ + Test the `ipalib.parameter.Param.validate` method. + """ + + # Test with required=True/False: + o = self.cls('my_param') + assert o.required is True + e = raises(errors2.RequirementError, o.validate, None) + assert e.name == 'my_param' + o = self.cls('my_param', required=False) + assert o.required is False + assert o.validate(None) is None + + # Test with multivalue=True: + o = self.cls('my_param', multivalue=True) + e = raises(TypeError, o.validate, []) + assert str(e) == TYPE_ERROR % ('value', tuple, [], list) + e = raises(ValueError, o.validate, tuple()) + assert str(e) == 'value: empty tuple must be converted to None' + + # Test with wrong (scalar) type: + e = raises(TypeError, o.validate, (None, None, 42, None)) + assert str(e) == TYPE_ERROR % ('value[2]', NoneType, 42, int) + o = self.cls('my_param') + e = raises(TypeError, o.validate, 'Hello') + assert str(e) == TYPE_ERROR % ('value', NoneType, 'Hello', str) + + class Example(self.cls): + type = int + + # Test with some rules and multivalue=False + pass1 = DummyRule() + pass2 = DummyRule() + fail = DummyRule(u'no good') + o = Example('example', pass1, pass2) + assert o.multivalue is False + assert o.validate(11) is None + assert pass1.calls == [(request.ugettext, 11)] + assert pass2.calls == [(request.ugettext, 11)] + pass1.reset() + pass2.reset() + o = Example('example', pass1, pass2, fail) + e = raises(errors2.ValidationError, o.validate, 42) + assert e.name == 'example' + assert e.error == u'no good' + assert e.index is None + assert pass1.calls == [(request.ugettext, 42)] + assert pass2.calls == [(request.ugettext, 42)] + assert fail.calls == [(request.ugettext, 42)] + + # Test with some rules and multivalue=True + pass1 = DummyRule() + pass2 = DummyRule() + fail = DummyRule(u'this one is not good') + o = Example('example', pass1, pass2, multivalue=True) + assert o.multivalue is True + assert o.validate((3, 9)) is None + assert pass1.calls == [ + (request.ugettext, 3), + (request.ugettext, 9), + ] + assert pass2.calls == [ + (request.ugettext, 3), + (request.ugettext, 9), + ] + pass1.reset() + pass2.reset() + o = Example('multi_example', pass1, pass2, fail, multivalue=True) + assert o.multivalue is True + e = raises(errors2.ValidationError, o.validate, (3, 9)) + assert e.name == 'multi_example' + assert e.error == u'this one is not good' + assert e.index == 0 + assert pass1.calls == [(request.ugettext, 3)] + assert pass2.calls == [(request.ugettext, 3)] + assert fail.calls == [(request.ugettext, 3)] + + def test_validate_scalar(self): + """ + Test the `ipalib.parameter.Param._validate_scalar` method. + """ + class MyParam(self.cls): + type = bool + okay = DummyRule() + o = MyParam('my_param', okay) + + # Test that TypeError is appropriately raised: + e = raises(TypeError, o._validate_scalar, 0) + assert str(e) == TYPE_ERROR % ('value', bool, 0, int) + e = raises(TypeError, o._validate_scalar, 'Hi', index=4) + assert str(e) == TYPE_ERROR % ('value[4]', bool, 'Hi', str) + e = raises(TypeError, o._validate_scalar, True, index=3.0) + assert str(e) == TYPE_ERROR % ('index', int, 3.0, float) + + # Test with passing rule: + assert o._validate_scalar(True, index=None) is None + assert o._validate_scalar(False, index=None) is None + assert okay.calls == [ + (request.ugettext, True), + (request.ugettext, False), + ] + + # Test with a failing rule: + okay = DummyRule() + fail = DummyRule(u'this describes the error') + o = MyParam('my_param', okay, fail) + e = raises(errors2.ValidationError, o._validate_scalar, True) + assert e.name == 'my_param' + assert e.error == u'this describes the error' + assert e.index is None + e = raises(errors2.ValidationError, o._validate_scalar, False, index=2) + assert e.name == 'my_param' + assert e.error == u'this describes the error' + assert e.index == 2 + assert okay.calls == [ + (request.ugettext, True), + (request.ugettext, False), + ] + assert fail.calls == [ + (request.ugettext, True), + (request.ugettext, False), + ] + + def test_get_default(self): + """ + Test the `ipalib.parameter.Param._get_default` method. + """ + class PassThrough(object): + value = None + + def __call__(self, value): + assert self.value is None + assert value is not None + self.value = value + return value + + def reset(self): + assert self.value is not None + self.value = None + + class Str(self.cls): + type = unicode + + def __init__(self, name, **kw): + self._convert_scalar = PassThrough() + super(Str, self).__init__(name, **kw) + + # Test with only a static default: + o = Str('my_str', + normalizer=PassThrough(), + default=u'Static Default', + ) + assert_equal(o.get_default(), u'Static Default') + assert o._convert_scalar.value is None + assert o.normalizer.value is None + + # Test with default_from: + o = Str('my_str', + normalizer=PassThrough(), + default=u'Static Default', + default_from=lambda first, last: first[0] + last, + ) + assert_equal(o.get_default(), u'Static Default') + assert o._convert_scalar.value is None + assert o.normalizer.value is None + default = o.get_default(first=u'john', last='doe') + assert_equal(default, u'jdoe') + assert o._convert_scalar.value is default + assert o.normalizer.value is default + + # Test with create_default: + o = Str('my_str', + normalizer=PassThrough(), + default=u'Static Default', + create_default=lambda **kw: u'The created default', + ) + default = o.get_default(first=u'john', last='doe') + assert_equal(default, u'The created default') + assert o._convert_scalar.value is default + assert o.normalizer.value is default + + +class test_Flag(ClassChecker): + """ + Test the `ipalib.parameter.Flag` class. + """ + _cls = parameter.Flag + + def test_init(self): + """ + Test the `ipalib.parameter.Flag.__init__` method. + """ + # Test with no kwargs: + o = self.cls('my_flag') + assert o.type is bool + assert isinstance(o, parameter.Bool) + assert o.autofill is True + assert o.default is False + + # Test that TypeError is raise if default is not a bool: + e = raises(TypeError, self.cls, 'my_flag', default=None) + assert str(e) == TYPE_ERROR % ('default', bool, None, NoneType) + + # Test with autofill=False, default=True + o = self.cls('my_flag', autofill=False, default=True) + assert o.autofill is True + assert o.default is True + + # Test when cloning: + orig = self.cls('my_flag') + for clone in [orig.clone(), orig.clone(autofill=False)]: + assert clone.autofill is True + assert clone.default is False + assert clone is not orig + assert type(clone) is self.cls + + # Test when cloning with default=True/False + orig = self.cls('my_flag') + assert orig.clone().default is False + assert orig.clone(default=True).default is True + orig = self.cls('my_flag', default=True) + assert orig.clone().default is True + assert orig.clone(default=False).default is False + + +class test_Bytes(ClassChecker): + """ + Test the `ipalib.parameter.Bytes` class. + """ + _cls = parameter.Bytes + + def test_init(self): + """ + Test the `ipalib.parameter.Bytes.__init__` method. + """ + o = self.cls('my_bytes') + assert o.type is str + assert o.rules == tuple() + assert o.class_rules == tuple() + assert o.all_rules == tuple() + assert o.minlength is None + assert o.maxlength is None + assert o.length is None + assert o.pattern is None + + # Test mixing length with minlength or maxlength: + o = self.cls('my_bytes', length=5) + assert o.length == 5 + assert len(o.class_rules) == 1 + assert len(o.rules) == 0 + assert len(o.all_rules) == 1 + permutations = [ + dict(minlength=3), + dict(maxlength=7), + dict(minlength=3, maxlength=7), + ] + for kw in permutations: + o = self.cls('my_bytes', **kw) + assert len(o.class_rules) == len(kw) + assert len(o.rules) == 0 + assert len(o.all_rules) == len(kw) + for (key, value) in kw.iteritems(): + assert getattr(o, key) == value + e = raises(ValueError, self.cls, 'my_bytes', length=5, **kw) + assert str(e) == \ + "Bytes('my_bytes'): cannot mix length with minlength or maxlength" + + # Test when minlength or maxlength are less than 1: + e = raises(ValueError, self.cls, 'my_bytes', minlength=0) + assert str(e) == "Bytes('my_bytes'): minlength must be >= 1; got 0" + e = raises(ValueError, self.cls, 'my_bytes', maxlength=0) + assert str(e) == "Bytes('my_bytes'): maxlength must be >= 1; got 0" + + # Test when minlength > maxlength: + e = raises(ValueError, self.cls, 'my_bytes', minlength=22, maxlength=15) + assert str(e) == \ + "Bytes('my_bytes'): minlength > maxlength (minlength=22, maxlength=15)" + + # Test when minlength == maxlength + e = raises(ValueError, self.cls, 'my_bytes', minlength=7, maxlength=7) + assert str(e) == \ + "Bytes('my_bytes'): minlength == maxlength; use length=7 instead" + + def test_rule_minlength(self): + """ + Test the `ipalib.parameter.Bytes._rule_minlength` method. + """ + o = self.cls('my_bytes', minlength=3) + assert o.minlength == 3 + rule = o._rule_minlength + translation = u'minlength=%(minlength)r' + dummy = dummy_ugettext(translation) + assert dummy.translation is translation + + # Test with passing values: + for value in ('abc', 'four', '12345'): + assert rule(dummy, value) is None + assert dummy.called() is False + + # Test with failing values: + for value in ('', 'a', '12'): + assert_equal( + rule(dummy, value), + translation % dict(minlength=3) + ) + assert dummy.message == 'must be at least %(minlength)d bytes' + assert dummy.called() is True + dummy.reset() + + def test_rule_maxlength(self): + """ + Test the `ipalib.parameter.Bytes._rule_maxlength` method. + """ + o = self.cls('my_bytes', maxlength=4) + assert o.maxlength == 4 + rule = o._rule_maxlength + translation = u'maxlength=%(maxlength)r' + dummy = dummy_ugettext(translation) + assert dummy.translation is translation + + # Test with passing values: + for value in ('ab', '123', 'four'): + assert rule(dummy, value) is None + assert dummy.called() is False + + # Test with failing values: + for value in ('12345', 'sixsix'): + assert_equal( + rule(dummy, value), + translation % dict(maxlength=4) + ) + assert dummy.message == 'can be at most %(maxlength)d bytes' + assert dummy.called() is True + dummy.reset() + + def test_rule_length(self): + """ + Test the `ipalib.parameter.Bytes._rule_length` method. + """ + o = self.cls('my_bytes', length=4) + assert o.length == 4 + rule = o._rule_length + translation = u'length=%(length)r' + dummy = dummy_ugettext(translation) + assert dummy.translation is translation + + # Test with passing values: + for value in ('1234', 'four'): + assert rule(dummy, value) is None + assert dummy.called() is False + + # Test with failing values: + for value in ('ab', '123', '12345', 'sixsix'): + assert_equal( + rule(dummy, value), + translation % dict(length=4), + ) + assert dummy.message == 'must be exactly %(length)d bytes' + assert dummy.called() is True + dummy.reset() + + +class test_Str(ClassChecker): + """ + Test the `ipalib.parameter.Str` class. + """ + _cls = parameter.Str + + def test_init(self): + """ + Test the `ipalib.parameter.Str.__init__` method. + """ + o = self.cls('my_str') + assert o.type is unicode + assert o.minlength is None + assert o.maxlength is None + assert o.length is None + assert o.pattern is None + + def test_convert_scalar(self): + """ + Test the `ipalib.parameter.Str._convert_scalar` method. + """ + o = self.cls('my_str') + mthd = o._convert_scalar + for value in (u'Hello', 42, 1.2): + assert mthd(value) == unicode(value) + for value in [True, 'Hello', (u'Hello',), [42.3], dict(one=1)]: + e = raises(errors2.ConversionError, mthd, value) + assert e.name == 'my_str' + assert e.index is None + assert_equal(e.error, u'must be Unicode text') + e = raises(errors2.ConversionError, mthd, value, index=18) + assert e.name == 'my_str' + assert e.index == 18 + assert_equal(e.error, u'must be Unicode text') + + def test_rule_minlength(self): + """ + Test the `ipalib.parameter.Str._rule_minlength` method. + """ + o = self.cls('my_str', minlength=3) + assert o.minlength == 3 + rule = o._rule_minlength + translation = u'minlength=%(minlength)r' + dummy = dummy_ugettext(translation) + assert dummy.translation is translation + + # Test with passing values: + for value in (u'abc', u'four', u'12345'): + assert rule(dummy, value) is None + assert dummy.called() is False + + # Test with failing values: + for value in (u'', u'a', u'12'): + assert_equal( + rule(dummy, value), + translation % dict(minlength=3) + ) + assert dummy.message == 'must be at least %(minlength)d characters' + assert dummy.called() is True + dummy.reset() + + def test_rule_maxlength(self): + """ + Test the `ipalib.parameter.Str._rule_maxlength` method. + """ + o = self.cls('my_str', maxlength=4) + assert o.maxlength == 4 + rule = o._rule_maxlength + translation = u'maxlength=%(maxlength)r' + dummy = dummy_ugettext(translation) + assert dummy.translation is translation + + # Test with passing values: + for value in (u'ab', u'123', u'four'): + assert rule(dummy, value) is None + assert dummy.called() is False + + # Test with failing values: + for value in (u'12345', u'sixsix'): + assert_equal( + rule(dummy, value), + translation % dict(maxlength=4) + ) + assert dummy.message == 'can be at most %(maxlength)d characters' + assert dummy.called() is True + dummy.reset() + + def test_rule_length(self): + """ + Test the `ipalib.parameter.Str._rule_length` method. + """ + o = self.cls('my_str', length=4) + assert o.length == 4 + rule = o._rule_length + translation = u'length=%(length)r' + dummy = dummy_ugettext(translation) + assert dummy.translation is translation + + # Test with passing values: + for value in (u'1234', u'four'): + assert rule(dummy, value) is None + assert dummy.called() is False + + # Test with failing values: + for value in (u'ab', u'123', u'12345', u'sixsix'): + assert_equal( + rule(dummy, value), + translation % dict(length=4), + ) + assert dummy.message == 'must be exactly %(length)d characters' + assert dummy.called() is True + dummy.reset() + + +def test_create_param(): + """ + Test the `ipalib.parameter.create_param` function. + """ + f = parameter.create_param + + # Test that Param instances are returned unchanged: + params = ( + parameter.Param('one?'), + parameter.Int('two+'), + parameter.Str('three*'), + parameter.Bytes('four'), + ) + for p in params: + assert f(p) is p + + # Test that the spec creates an Str instance: + for spec in ('one?', 'two+', 'three*', 'four'): + (name, kw) = parameter.parse_param_spec(spec) + p = f(spec) + assert p.param_spec is spec + assert p.name == name + assert p.required is kw['required'] + assert p.multivalue is kw['multivalue'] + + # Test that TypeError is raised when spec is neither a Param nor a str: + for spec in (u'one', 42, parameter.Param, parameter.Str): + e = raises(TypeError, f, spec) + assert str(e) == \ + TYPE_ERROR % ('spec', (str, parameter.Param), spec, type(spec)) + + +def test_messages(): + """ + Test module level message in `ipalib.parameter`. + """ + for name in dir(parameter): + if name.startswith('_'): + continue + attr = getattr(parameter, name) + if not (isclass(attr) and issubclass(attr, parameter.Param)): + continue + assert type(attr.type_error) is str + assert attr.type_error in parameter.__messages |