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# Copyright 2017 Google LLC
#
# 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.
import pytest
from google.api_core.iam import _DICT_ACCESS_MSG, InvalidOperationException
class TestPolicy:
@staticmethod
def _get_target_class():
from google.api_core.iam import Policy
return Policy
def _make_one(self, *args, **kw):
return self._get_target_class()(*args, **kw)
def test_ctor_defaults(self):
empty = frozenset()
policy = self._make_one()
assert policy.etag is None
assert policy.version is None
assert policy.owners == empty
assert policy.editors == empty
assert policy.viewers == empty
assert len(policy) == 0
assert dict(policy) == {}
def test_ctor_explicit(self):
VERSION = 1
ETAG = "ETAG"
empty = frozenset()
policy = self._make_one(ETAG, VERSION)
assert policy.etag == ETAG
assert policy.version == VERSION
assert policy.owners == empty
assert policy.editors == empty
assert policy.viewers == empty
assert len(policy) == 0
assert dict(policy) == {}
def test___getitem___miss(self):
policy = self._make_one()
assert policy["nonesuch"] == set()
def test__getitem___and_set(self):
from google.api_core.iam import OWNER_ROLE
policy = self._make_one()
# get the policy using the getter and then modify it
policy[OWNER_ROLE].add("user:phred@example.com")
assert dict(policy) == {OWNER_ROLE: {"user:phred@example.com"}}
def test___getitem___version3(self):
policy = self._make_one("DEADBEEF", 3)
with pytest.raises(InvalidOperationException, match=_DICT_ACCESS_MSG):
policy["role"]
def test___getitem___with_conditions(self):
USER = "user:phred@example.com"
CONDITION = {"expression": "2 > 1"}
policy = self._make_one("DEADBEEF", 1)
policy.bindings = [
{"role": "role/reader", "members": [USER], "condition": CONDITION}
]
with pytest.raises(InvalidOperationException, match=_DICT_ACCESS_MSG):
policy["role/reader"]
def test___setitem__(self):
USER = "user:phred@example.com"
PRINCIPALS = set([USER])
policy = self._make_one()
policy["rolename"] = [USER]
assert policy["rolename"] == PRINCIPALS
assert len(policy) == 1
assert dict(policy) == {"rolename": PRINCIPALS}
def test__set_item__overwrite(self):
GROUP = "group:test@group.com"
USER = "user:phred@example.com"
ALL_USERS = "allUsers"
MEMBERS = set([ALL_USERS])
GROUPS = set([GROUP])
policy = self._make_one()
policy["first"] = [GROUP]
policy["second"] = [USER]
policy["second"] = [ALL_USERS]
assert policy["second"] == MEMBERS
assert len(policy) == 2
assert dict(policy) == {"first": GROUPS, "second": MEMBERS}
def test___setitem___version3(self):
policy = self._make_one("DEADBEEF", 3)
with pytest.raises(InvalidOperationException, match=_DICT_ACCESS_MSG):
policy["role/reader"] = ["user:phred@example.com"]
def test___setitem___with_conditions(self):
USER = "user:phred@example.com"
CONDITION = {"expression": "2 > 1"}
policy = self._make_one("DEADBEEF", 1)
policy.bindings = [
{"role": "role/reader", "members": set([USER]), "condition": CONDITION}
]
with pytest.raises(InvalidOperationException, match=_DICT_ACCESS_MSG):
policy["role/reader"] = ["user:phred@example.com"]
def test___delitem___hit(self):
policy = self._make_one()
policy.bindings = [
{"role": "to/keep", "members": set(["phred@example.com"])},
{"role": "to/remove", "members": set(["phred@example.com"])}
]
del policy["to/remove"]
assert len(policy) == 1
assert dict(policy) == {"to/keep": set(["phred@example.com"])}
def test___delitem___miss(self):
policy = self._make_one()
with pytest.raises(KeyError):
del policy["nonesuch"]
def test___delitem___version3(self):
policy = self._make_one("DEADBEEF", 3)
with pytest.raises(InvalidOperationException, match=_DICT_ACCESS_MSG):
del policy["role/reader"]
def test___delitem___with_conditions(self):
USER = "user:phred@example.com"
CONDITION = {"expression": "2 > 1"}
policy = self._make_one("DEADBEEF", 1)
policy.bindings = [
{"role": "role/reader", "members": set([USER]), "condition": CONDITION}
]
with pytest.raises(InvalidOperationException, match=_DICT_ACCESS_MSG):
del policy["role/reader"]
def test_bindings_property(self):
USER = "user:phred@example.com"
CONDITION = {"expression": "2 > 1"}
policy = self._make_one()
BINDINGS = [{"role": "role/reader", "members": set([USER]), "condition": CONDITION}]
policy.bindings = BINDINGS
assert policy.bindings == BINDINGS
def test_owners_getter(self):
from google.api_core.iam import OWNER_ROLE
MEMBER = "user:phred@example.com"
expected = frozenset([MEMBER])
policy = self._make_one()
policy[OWNER_ROLE] = [MEMBER]
assert policy.owners == expected
def test_owners_setter(self):
import warnings
from google.api_core.iam import OWNER_ROLE
MEMBER = "user:phred@example.com"
expected = set([MEMBER])
policy = self._make_one()
with warnings.catch_warnings(record=True) as warned:
policy.owners = [MEMBER]
(warning,) = warned
assert warning.category is DeprecationWarning
assert policy[OWNER_ROLE] == expected
def test_editors_getter(self):
from google.api_core.iam import EDITOR_ROLE
MEMBER = "user:phred@example.com"
expected = frozenset([MEMBER])
policy = self._make_one()
policy[EDITOR_ROLE] = [MEMBER]
assert policy.editors == expected
def test_editors_setter(self):
import warnings
from google.api_core.iam import EDITOR_ROLE
MEMBER = "user:phred@example.com"
expected = set([MEMBER])
policy = self._make_one()
with warnings.catch_warnings(record=True) as warned:
policy.editors = [MEMBER]
(warning,) = warned
assert warning.category is DeprecationWarning
assert policy[EDITOR_ROLE] == expected
def test_viewers_getter(self):
from google.api_core.iam import VIEWER_ROLE
MEMBER = "user:phred@example.com"
expected = frozenset([MEMBER])
policy = self._make_one()
policy[VIEWER_ROLE] = [MEMBER]
assert policy.viewers == expected
def test_viewers_setter(self):
import warnings
from google.api_core.iam import VIEWER_ROLE
MEMBER = "user:phred@example.com"
expected = set([MEMBER])
policy = self._make_one()
with warnings.catch_warnings(record=True) as warned:
policy.viewers = [MEMBER]
(warning,) = warned
assert warning.category is DeprecationWarning
assert policy[VIEWER_ROLE] == expected
def test_user(self):
import warnings
EMAIL = "phred@example.com"
MEMBER = "user:%s" % (EMAIL,)
policy = self._make_one()
with warnings.catch_warnings(record=True) as warned:
assert policy.user(EMAIL) == MEMBER
(warning,) = warned
assert warning.category is DeprecationWarning
def test_service_account(self):
import warnings
EMAIL = "phred@example.com"
MEMBER = "serviceAccount:%s" % (EMAIL,)
policy = self._make_one()
with warnings.catch_warnings(record=True) as warned:
assert policy.service_account(EMAIL) == MEMBER
(warning,) = warned
assert warning.category is DeprecationWarning
def test_group(self):
import warnings
EMAIL = "phred@example.com"
MEMBER = "group:%s" % (EMAIL,)
policy = self._make_one()
with warnings.catch_warnings(record=True) as warned:
assert policy.group(EMAIL) == MEMBER
(warning,) = warned
assert warning.category is DeprecationWarning
def test_domain(self):
import warnings
DOMAIN = "example.com"
MEMBER = "domain:%s" % (DOMAIN,)
policy = self._make_one()
with warnings.catch_warnings(record=True) as warned:
assert policy.domain(DOMAIN) == MEMBER
(warning,) = warned
assert warning.category is DeprecationWarning
def test_all_users(self):
import warnings
policy = self._make_one()
with warnings.catch_warnings(record=True) as warned:
assert policy.all_users() == "allUsers"
(warning,) = warned
assert warning.category is DeprecationWarning
def test_authenticated_users(self):
import warnings
policy = self._make_one()
with warnings.catch_warnings(record=True) as warned:
assert policy.authenticated_users() == "allAuthenticatedUsers"
(warning,) = warned
assert warning.category is DeprecationWarning
def test_from_api_repr_only_etag(self):
empty = frozenset()
RESOURCE = {"etag": "ACAB"}
klass = self._get_target_class()
policy = klass.from_api_repr(RESOURCE)
assert policy.etag == "ACAB"
assert policy.version is None
assert policy.owners == empty
assert policy.editors == empty
assert policy.viewers == empty
assert dict(policy) == {}
def test_from_api_repr_complete(self):
from google.api_core.iam import OWNER_ROLE, EDITOR_ROLE, VIEWER_ROLE
OWNER1 = "group:cloud-logs@google.com"
OWNER2 = "user:phred@example.com"
EDITOR1 = "domain:google.com"
EDITOR2 = "user:phred@example.com"
VIEWER1 = "serviceAccount:1234-abcdef@service.example.com"
VIEWER2 = "user:phred@example.com"
RESOURCE = {
"etag": "DEADBEEF",
"version": 1,
"bindings": [
{"role": OWNER_ROLE, "members": [OWNER1, OWNER2]},
{"role": EDITOR_ROLE, "members": [EDITOR1, EDITOR2]},
{"role": VIEWER_ROLE, "members": [VIEWER1, VIEWER2]},
],
}
klass = self._get_target_class()
policy = klass.from_api_repr(RESOURCE)
assert policy.etag == "DEADBEEF"
assert policy.version == 1
assert policy.owners, frozenset([OWNER1 == OWNER2])
assert policy.editors, frozenset([EDITOR1 == EDITOR2])
assert policy.viewers, frozenset([VIEWER1 == VIEWER2])
assert dict(policy) == {
OWNER_ROLE: set([OWNER1, OWNER2]),
EDITOR_ROLE: set([EDITOR1, EDITOR2]),
VIEWER_ROLE: set([VIEWER1, VIEWER2]),
}
assert policy.bindings == [
{"role": OWNER_ROLE, "members": set([OWNER1, OWNER2])},
{"role": EDITOR_ROLE, "members": set([EDITOR1, EDITOR2])},
{"role": VIEWER_ROLE, "members": set([VIEWER1, VIEWER2])},
]
def test_from_api_repr_unknown_role(self):
USER = "user:phred@example.com"
GROUP = "group:cloud-logs@google.com"
RESOURCE = {
"etag": "DEADBEEF",
"version": 1,
"bindings": [{"role": "unknown", "members": [USER, GROUP]}],
}
klass = self._get_target_class()
policy = klass.from_api_repr(RESOURCE)
assert policy.etag == "DEADBEEF"
assert policy.version == 1
assert dict(policy), {"unknown": set([GROUP == USER])}
def test_to_api_repr_defaults(self):
policy = self._make_one()
assert policy.to_api_repr() == {}
def test_to_api_repr_only_etag(self):
policy = self._make_one("DEADBEEF")
assert policy.to_api_repr() == {"etag": "DEADBEEF"}
def test_to_api_repr_binding_wo_members(self):
policy = self._make_one()
policy["empty"] = []
assert policy.to_api_repr() == {}
def test_to_api_repr_binding_w_duplicates(self):
import warnings
from google.api_core.iam import OWNER_ROLE
OWNER = "group:cloud-logs@google.com"
policy = self._make_one()
with warnings.catch_warnings(record=True):
policy.owners = [OWNER, OWNER]
assert policy.to_api_repr() == {
"bindings": [{"role": OWNER_ROLE, "members": [OWNER]}]
}
def test_to_api_repr_full(self):
import operator
from google.api_core.iam import OWNER_ROLE, EDITOR_ROLE, VIEWER_ROLE
OWNER1 = "group:cloud-logs@google.com"
OWNER2 = "user:phred@example.com"
EDITOR1 = "domain:google.com"
EDITOR2 = "user:phred@example.com"
VIEWER1 = "serviceAccount:1234-abcdef@service.example.com"
VIEWER2 = "user:phred@example.com"
CONDITION = {
"title": "title",
"description": "description",
"expression": "true"
}
BINDINGS = [
{"role": OWNER_ROLE, "members": [OWNER1, OWNER2]},
{"role": EDITOR_ROLE, "members": [EDITOR1, EDITOR2]},
{"role": VIEWER_ROLE, "members": [VIEWER1, VIEWER2]},
{"role": VIEWER_ROLE, "members": [VIEWER1, VIEWER2], "condition": CONDITION},
]
policy = self._make_one("DEADBEEF", 1)
policy.bindings = BINDINGS
resource = policy.to_api_repr()
assert resource["etag"] == "DEADBEEF"
assert resource["version"] == 1
key = operator.itemgetter("role")
assert sorted(resource["bindings"], key=key) == sorted(BINDINGS, key=key)
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