def test_check_for_versions_intersection_positive(self):
func_list = \
[versioned_method.VersionedMethod('foo',
versions.Version('', '', '',
'2.1'),
versions.Version('', '', '',
'2.4'),
None),
versioned_method.VersionedMethod('foo',
versions.Version('', '', '',
'2.3'),
versions.Version('', '', '',
'3.1'),
None),
versioned_method.VersionedMethod('foo',
versions.Version('', '', '',
'2.9'),
versions.Version('', '', '',
'3.4'),
None)
]
result = base.Controller.check_for_versions_intersection(
func_list=func_list)
self.assertTrue(result)
def test_check_for_versions_intersection_negative(self):
func_list = \
[versioned_method.VersionedMethod('foo',
versions.Version('', '', '',
'2.1'),
versions.Version('', '', '',
'2.4'),
None),
versioned_method.VersionedMethod('foo',
versions.Version('', '', '',
'2.11'),
versions.Version('', '', '',
'3.1'),
None),
versioned_method.VersionedMethod('foo',
versions.Version('', '', '',
'2.8'),
versions.Version('', '', '',
'2.9'),
None),
]
result = base.Controller.check_for_versions_intersection(
func_list=func_list)
self.assertFalse(result)
func_list = \
[versioned_method.VersionedMethod('foo',
versions.Version('', '', '',
'2.12'),
versions.Version('', '', '',
'2.14'),
None),
versioned_method.VersionedMethod('foo',
versions.Version('', '', '',
'3.0'),
versions.Version('', '', '',
'3.4'),
None)
]
result = base.Controller.check_for_versions_intersection(
func_list=func_list)
self.assertFalse(result)
def test_check_for_versions_intersection_shared_start_end(self):
func_list = \
[versioned_method.VersionedMethod('foo',
versions.Version('', '', '',
'1.1'),
versions.Version('', '', '',
'1.1'),
None),
versioned_method.VersionedMethod('foo',
versions.Version('', '', '',
'1.1'),
versions.Version('', '', '',
'1.2'),
None)
]
result = base.Controller.check_for_versions_intersection(
func_list=func_list)
self.assertTrue(result)
def decorator(f):
obj_min_ver = versions.Version('', '', '', min_ver)
if max_ver:
obj_max_ver = versions.Version('', '', '', max_ver)
else:
obj_max_ver = versions.Version('', '', '',
versions.CURRENT_MAX_VER)
# Add to list of versioned methods registered
func_name = f.__name__
new_func = versioned_method.VersionedMethod(
func_name, obj_min_ver, obj_max_ver, f)
func_dict = getattr(cls, VER_METHOD_ATTR, {})
if not func_dict:
setattr(cls, VER_METHOD_ATTR, func_dict)
func_list = func_dict.get(func_name, [])
if not func_list:
func_dict[func_name] = func_list
func_list.append(new_func)
is_intersect = Controller.check_for_versions_intersection(
func_list)
if is_intersect:
raise exception.ApiVersionsIntersect(
name=new_func.name,
min_ver=new_func.start_version,
max_ver=new_func.end_version
)
# Ensure the list is sorted by minimum version (reversed)
# so later when we work through the list in order we find
# the method which has the latest version which supports
# the version requested.
func_list.sort(key=lambda f: f.start_version, reverse=True)
return f