# 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

"""
Unit tests for `ipalib.public` module.
"""

from tstutil import raises, getitem, no_set, no_del, read_only
from ipalib import public, plugable, errors


def test_RULE_FLAG():
	assert public.RULE_FLAG == 'validation_rule'


def test_rule():
	flag = public.RULE_FLAG
	rule = public.rule
	def my_func():
		pass
	assert not hasattr(my_func, flag)
	rule(my_func)
	assert getattr(my_func, flag) is True
	@rule
	def my_func2():
		pass
	assert getattr(my_func2, flag) is True


def test_is_rule():
	is_rule = public.is_rule
	flag = public.RULE_FLAG

	class no_call(object):
		def __init__(self, value):
			if value is not None:
				assert value in (True, False)
				setattr(self, flag, value)

	class call(no_call):
		def __call__(self):
			pass

	assert is_rule(call(True))
	assert not is_rule(no_call(True))
	assert not is_rule(call(False))
	assert not is_rule(call(None))


class test_opt():
	def cls(self):
		return public.opt

	def sub(self):
		class int_opt(self.cls()):
			type = int
		return int_opt

	def test_class(self):
		cls = self.cls()
		assert issubclass(cls, plugable.ReadOnly)

	def test_normalize(self):
		sub = self.sub()

		i = sub()

		# Test with values that can't be converted:
		nope = (
			'7.0'
			'whatever',
			object,
			None,
		)
		for val in nope:
			e = raises(errors.NormalizationError, i.normalize, val)
			assert isinstance(e, errors.ValidationError)
			assert e.name == 'int_opt'
			assert e.value == val
			assert e.error == "not <type 'int'>"
			assert e.type is int
		# Test with values that can be converted:
		okay = (
			7,
			7.0,
			7.2,
			7L,
			'7',
			' 7 ',
		)
		for val in okay:
			assert i.normalize(val) == 7

def test_cmd():
	cls = public.cmd
	assert issubclass(cls, plugable.Plugin)


def test_obj():
	cls = public.obj
	assert issubclass(cls, plugable.Plugin)



def test_attr():
	cls = public.attr
	assert issubclass(cls, plugable.Plugin)

	class api(object):
		obj = dict(user='the user obj')

	class user_add(cls):
		pass

	i = user_add()
	assert read_only(i, 'obj_name') == 'user'
	assert read_only(i, 'attr_name') == 'add'
	assert read_only(i, 'obj') is None
	i.finalize(api)
	assert read_only(i, 'api') is api
	assert read_only(i, 'obj') == 'the user obj'


def test_mthd():
	cls = public.mthd
	assert issubclass(cls, public.attr)
	assert issubclass(cls, public.cmd)


def test_prop():
	cls = public.prop
	assert issubclass(cls, public.attr)


def test_PublicAPI():
	cls = public.PublicAPI
	assert issubclass(cls, plugable.API)

	api = cls()

	class cmd1(public.cmd):
		pass
	api.register(cmd1)

	class cmd2(public.cmd):
		pass
	api.register(cmd2)

	api()