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# Copyright 2015: Mirantis Inc.
# All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
from rally.common.plugin import meta
from tests.unit import test
class TestMetaMixinTestCase(test.TestCase):
def test_meta_is_inited(self):
class Meta(meta.MetaMixin):
pass
class SubMeta(Meta):
pass
self.assertRaises(ReferenceError, Meta._meta_is_inited)
self.assertFalse(Meta._meta_is_inited(raise_exc=False))
self.assertRaises(ReferenceError, SubMeta._meta_is_inited)
self.assertFalse(SubMeta._meta_is_inited(raise_exc=False))
Meta._meta_init()
self.assertTrue(Meta._meta_is_inited())
self.assertTrue(Meta._meta_is_inited(raise_exc=False))
self.assertRaises(ReferenceError, SubMeta._meta_is_inited)
self.assertFalse(SubMeta._meta_is_inited(raise_exc=False))
SubMeta._meta_init()
self.assertTrue(SubMeta._meta_is_inited())
self.assertTrue(SubMeta._meta_is_inited(raise_exc=False))
def test_meta_clear(self):
class Meta(meta.MetaMixin):
pass
Meta._meta_init()
Meta._meta_set("aaa", 42)
meta_ref = Meta._meta
Meta._meta_clear()
self.assertRaises(AttributeError, getattr, Meta, "_meta")
self.assertEqual({}, meta_ref)
def test_meta_set_and_get(self):
class Meta(meta.MetaMixin):
pass
Meta._meta_init()
Meta._meta_set("aaa", 42)
self.assertEqual(42, Meta._meta_get("aaa"))
def test_meta_get_default(self):
class Meta(meta.MetaMixin):
pass
Meta._meta_init()
self.assertEqual(42, Meta._meta_get("b", 42))
def test_meta_get_if_is_not_inited(self):
class Meta(meta.MetaMixin):
pass
self.assertRaises(ReferenceError, Meta._meta_get, "any")
def test_meta_set_if_is_not_inited(self):
class Meta(meta.MetaMixin):
pass
self.assertRaises(ReferenceError, Meta._meta_set, "a", 1)
def test_meta_setdefault(self):
class Meta(meta.MetaMixin):
pass
self.assertRaises(ReferenceError, Meta._meta_setdefault, "any", 42)
Meta._meta_init()
Meta._meta_setdefault("any", 42)
self.assertEqual(42, Meta._meta_get("any"))
Meta._meta_setdefault("any", 2)
self.assertEqual(42, Meta._meta_get("any"))
def test_default_meta_init(self):
class Meta(meta.MetaMixin):
pass
Meta._default_meta_init(False)
self.assertIs(Meta, Meta._default_meta[0])
self.assertEqual({}, Meta._default_meta[1])
def test_default_meta_init_inherit(self):
class MetaParent(meta.MetaMixin):
pass
MetaParent._default_meta_init(False)
MetaParent._default_meta_set("a", 1)
class MetaChildInherit(MetaParent):
pass
MetaChildInherit._default_meta_init(True)
self.assertEqual(1, MetaChildInherit._default_meta_get("a", 5))
class MetaChildNoInherit(MetaParent):
pass
MetaChildNoInherit._default_meta_init(False)
self.assertEqual(5, MetaChildNoInherit._default_meta_get("a", 5))
def test_default_meta_set_and_get(self):
class Meta(meta.MetaMixin):
pass
Meta._default_meta_init(False)
Meta._default_meta_set("b", 10)
self.assertEqual(10, Meta._default_meta_get("b"))
self.assertEqual(10, Meta._default_meta_get("b", 5))
self.assertEqual(5, Meta._default_meta_get("c", 5))
self.assertIsNone(Meta._default_meta_get("c"))
def test_default_meta_set_from_children(self):
class Meta(meta.MetaMixin):
pass
self.assertRaises(ReferenceError,
Meta._default_meta_set, "a", 1)
self.assertRaises(ReferenceError,
Meta._default_meta_setdefault, "a", 1)
def test_default_meta_set_default(self):
class Meta(meta.MetaMixin):
pass
Meta._default_meta_init(False)
Meta._default_meta_setdefault("a", 1)
Meta._default_meta_setdefault("a", 2)
self.assertEqual(1, Meta._default_meta_get("a"))
def test_meta_init_with_default_meta(self):
class Meta(meta.MetaMixin):
pass
Meta._default_meta_init()
Meta._default_meta_set("a", 10)
Meta._default_meta_set("b", 20)
class MetaChild(Meta):
pass
MetaChild._meta_init()
self.assertEqual(10, MetaChild._meta_get("a"))
self.assertEqual(20, MetaChild._meta_get("b"))
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