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"""Test functions dealing with group management."""
from uuid import UUID
import pytest
from pymonad.maybe import Nothing
from gn_auth.auth import db
from gn_auth.auth.authentication.users import User
from gn_auth.auth.authorisation.roles import Role
from gn_auth.auth.authorisation.privileges import Privilege
from gn_auth.auth.authorisation.errors import AuthorisationError
from gn_auth.auth.authorisation.groups.models import (
Group, GroupRole, user_group, create_group, create_group_role)
from tests.unit.auth import conftest
create_group_failure = {
"status": "error",
"message": "Unauthorised: Failed to create group."
}
uuid_fn = lambda : UUID("d32611e3-07fc-4564-b56c-786c6db6de2b")
GROUP = Group(UUID("9988c21d-f02f-4d45-8966-22c968ac2fbf"), "TheTestGroup",
{"group_description": "The test group"})
PRIVILEGES = (
Privilege(
"group:resource:view-resource",
"view a resource and use it in computations"),
Privilege("group:resource:edit-resource", "edit/update a resource"))
@pytest.mark.unit_test
@pytest.mark.parametrize(
"user,expected", tuple(zip(conftest.TEST_USERS[0:1], (
Group(
UUID("d32611e3-07fc-4564-b56c-786c6db6de2b"), "a_test_group",
{"group_description": "A test group"}),
create_group_failure, create_group_failure, create_group_failure,
create_group_failure))))
def test_create_group(# pylint: disable=[too-many-arguments]
fxtr_app, auth_testdb_path, mocker, fxtr_users, user, expected):# pylint: disable=[unused-argument]
"""
GIVEN: an authenticated user
WHEN: the user attempts to create a group
THEN: verify they are only able to create the group if they have the
appropriate privileges
"""
mocker.patch("gn_auth.auth.authorisation.groups.models.uuid4", uuid_fn)
mocker.patch("gn_auth.auth.authorisation.checks.require_oauth.acquire",
conftest.get_tokeniser(user))
with db.connection(auth_testdb_path) as conn:
assert create_group(
conn, "a_test_group", user, "A test group") == expected
@pytest.mark.unit_test
@pytest.mark.parametrize("user", conftest.TEST_USERS[1:])
def test_create_group_raises_exception_with_non_privileged_user(# pylint: disable=[too-many-arguments]
fxtr_app, auth_testdb_path, mocker, fxtr_users, user):# pylint: disable=[unused-argument]
"""
GIVEN: an authenticated user, without appropriate privileges
WHEN: the user attempts to create a group
THEN: verify the system raises an exception
"""
mocker.patch("gn_auth.auth.authorisation.groups.models.uuid4", uuid_fn)
mocker.patch("gn_auth.auth.authorisation.checks.require_oauth.acquire",
conftest.get_tokeniser(user))
with db.connection(auth_testdb_path) as conn:
with pytest.raises(AuthorisationError):
assert create_group(conn, "a_test_group", user, "A test group")
create_role_failure = {
"status": "error",
"message": "Unauthorised: Could not create the group role"
}
@pytest.mark.unit_test
@pytest.mark.parametrize(
"user,expected", tuple(zip(conftest.TEST_USERS[0:1], (
GroupRole(
UUID("d32611e3-07fc-4564-b56c-786c6db6de2b"),
GROUP,
Role(UUID("d32611e3-07fc-4564-b56c-786c6db6de2b"),
"ResourceEditor", True, PRIVILEGES)),))))
def test_create_group_role(mocker, fxtr_users_in_group, user, expected):
"""
GIVEN: an authenticated user
WHEN: the user attempts to create a role, attached to a group
THEN: verify they are only able to create the role if they have the
appropriate privileges and that the role is attached to the given group
"""
mocker.patch("gn_auth.auth.authorisation.groups.models.uuid4", uuid_fn)
mocker.patch("gn_auth.auth.authorisation.roles.models.uuid4", uuid_fn)
mocker.patch("gn_auth.auth.authorisation.checks.require_oauth.acquire",
conftest.get_tokeniser(user))
conn, _group, _users = fxtr_users_in_group
with db.cursor(conn) as cursor:
assert create_group_role(
conn, GROUP, "ResourceEditor", PRIVILEGES) == expected
# cleanup
cursor.execute(
("DELETE FROM group_roles "
"WHERE group_role_id=? AND group_id=? AND role_id=?"),
(str(uuid_fn()), str(GROUP.group_id), str(uuid_fn())))
@pytest.mark.unit_test
@pytest.mark.parametrize(
"user,expected", tuple(zip(conftest.TEST_USERS[1:], (
create_role_failure, create_role_failure, create_role_failure))))
def test_create_group_role_raises_exception_with_unauthorised_users(
mocker, fxtr_users_in_group, user, expected):
"""
GIVEN: an authenticated user
WHEN: the user attempts to create a role, attached to a group
THEN: verify they are only able to create the role if they have the
appropriate privileges and that the role is attached to the given group
"""
mocker.patch("gn_auth.auth.authorisation.groups.models.uuid4", uuid_fn)
mocker.patch("gn_auth.auth.authorisation.roles.models.uuid4", uuid_fn)
mocker.patch("gn_auth.auth.authorisation.checks.require_oauth.acquire",
conftest.get_tokeniser(user))
conn, _group, _users = fxtr_users_in_group
with pytest.raises(AuthorisationError):
assert create_group_role(
conn, GROUP, "ResourceEditor", PRIVILEGES) == expected
@pytest.mark.unit_test
def test_create_multiple_groups(mocker, fxtr_users):
"""
GIVEN: An authenticated user with appropriate authorisation
WHEN: The user attempts to create a new group, while being a member of an
existing group
THEN: The system should prevent that, and respond with an appropriate error
message
"""
mocker.patch("gn_auth.auth.authorisation.groups.models.uuid4", uuid_fn)
user = User(
UUID("ecb52977-3004-469e-9428-2a1856725c7f"), "group@lead.er",
"Group Leader")
mocker.patch("gn_auth.auth.authorisation.checks.require_oauth.acquire",
conftest.get_tokeniser(user))
conn, _test_users = fxtr_users
# First time, successfully creates the group
assert create_group(conn, "a_test_group", user) == Group(
UUID("d32611e3-07fc-4564-b56c-786c6db6de2b"), "a_test_group",
{})
# subsequent attempts should fail
with pytest.raises(AuthorisationError):
create_group(conn, "another_test_group", user)
@pytest.mark.unit_test
@pytest.mark.parametrize(
"user,expected",
tuple(zip(
conftest.TEST_USERS,
(([Group(UUID("9988c21d-f02f-4d45-8966-22c968ac2fbf"), "TheTestGroup", {})] * 3)
+ [Nothing]))))
def test_user_group(fxtr_users_in_group, user, expected):
"""
GIVEN: A bunch of registered users, some of whom are members of a group, and
others are not
WHEN: a particular user's group is requested,
THEN: return a Maybe containing the group that the user belongs to, or
Nothing
"""
conn, _group, _users = fxtr_users_in_group
assert (
user_group(conn, user).maybe(Nothing, lambda val: val)
== expected)
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