From 0a31f61ee9db84eb35087073ef6b58f352252aae Mon Sep 17 00:00:00 2001
From: Frederick Muriuki Muriithi
Date: Tue, 3 Jan 2023 07:22:02 +0300
Subject: auth: Fetch all of a user's roles.

* gn3/auth/authorisation/roles.py: Fetch roles from DB
* gn3/auth/authorisation/views.py: Provide API endpoint for user roles
* tests/unit/auth/test_roles.py: Tests to check fetching roles works correctly

Fix linting and typing issues in the following files:

* gn3/auth/authentication/oauth2/resource_server.py
* gn3/auth/authentication/oauth2/views.py
* tests/unit/auth/fixtures/oauth2_client_fixtures.py
---
 tests/unit/auth/fixtures/oauth2_client_fixtures.py |  1 +
 tests/unit/auth/test_roles.py                      | 65 +++++++++++++++++++++-
 2 files changed, 65 insertions(+), 1 deletion(-)

(limited to 'tests/unit')

diff --git a/tests/unit/auth/fixtures/oauth2_client_fixtures.py b/tests/unit/auth/fixtures/oauth2_client_fixtures.py
index 5f11e92..040da87 100644
--- a/tests/unit/auth/fixtures/oauth2_client_fixtures.py
+++ b/tests/unit/auth/fixtures/oauth2_client_fixtures.py
@@ -10,6 +10,7 @@ from gn3.auth.authentication.oauth2.models.oauth2client import OAuth2Client
 
 @pytest.fixture(autouse=True)
 def fxtr_patch_envvars(monkeypatch):
+    """Fixture: patch environment variable"""
     monkeypatch.setenv("AUTHLIB_INSECURE_TRANSPORT", "true")
 
 @pytest.fixture
diff --git a/tests/unit/auth/test_roles.py b/tests/unit/auth/test_roles.py
index 92384bb..3fc146a 100644
--- a/tests/unit/auth/test_roles.py
+++ b/tests/unit/auth/test_roles.py
@@ -5,9 +5,10 @@ import pytest
 
 from gn3.auth import db
 from gn3.auth.authorisation.privileges import Privilege
-from gn3.auth.authorisation.roles import Role, create_role
+from gn3.auth.authorisation.roles import Role, user_roles, create_role
 
 from tests.unit.auth import conftest
+from tests.unit.auth.fixtures import TEST_USERS
 
 create_role_failure = {
     "status": "error",
@@ -43,3 +44,65 @@ def test_create_role(# pylint: disable=[too-many-arguments]
         with db.connection(auth_testdb_path) as conn, db.cursor(conn) as cursor:
             the_role = create_role(cursor, "a_test_role", PRIVILEGES)
             assert the_role == expected
+
+@pytest.mark.unit_test
+@pytest.mark.parametrize(
+    "user,expected",
+    (zip(TEST_USERS,
+         ((Role(
+             role_id=uuid.UUID('a0e67630-d502-4b9f-b23f-6805d0f30e30'),
+             role_name='group-leader',
+             privileges=(
+                 Privilege(
+                     privilege_id=uuid.UUID('13ec2a94-4f1a-442d-aad2-936ad6dd5c57'),
+                     privilege_name='delete-group'),
+                 Privilege(
+                     privilege_id=uuid.UUID('1c59eff5-9336-4ed2-a166-8f70d4cb012e'),
+                     privilege_name='delete-role'),
+                 Privilege(
+                     privilege_id=uuid.UUID('221660b1-df05-4be1-b639-f010269dbda9'),
+                     privilege_name='create-role'),
+                 Privilege(
+                     privilege_id=uuid.UUID('2f980855-959b-4339-b80e-25d1ec286e21'),
+                     privilege_name='edit-resource'),
+                 Privilege(
+                     privilege_id=uuid.UUID('3ebfe79c-d159-4629-8b38-772cf4bc2261'),
+                     privilege_name='view-group'),
+                 Privilege(
+                     privilege_id=uuid.UUID('4842e2aa-38b9-4349-805e-0a99a9cf8bff'),
+                     privilege_name='create-group'),
+                 Privilege(
+                     privilege_id=uuid.UUID('5103cc68-96f8-4ebb-83a4-a31692402c9b'),
+                     privilege_name='assign-role'),
+                 Privilege(
+                     privilege_id=uuid.UUID('52576370-b3c7-4e6a-9f7e-90e9dbe24d8f'),
+                     privilege_name='edit-group'),
+                 Privilege(
+                     privilege_id=uuid.UUID('7bcca363-cba9-4169-9e31-26bdc6179b28'),
+                     privilege_name='edit-role'),
+                 Privilege(
+                     privilege_id=uuid.UUID('7f261757-3211-4f28-a43f-a09b800b164d'),
+                     privilege_name='view-resource'),
+                 Privilege(
+                     privilege_id=uuid.UUID('aa25b32a-bff2-418d-b0a2-e26b4a8f089b'),
+                     privilege_name='create-resource'),
+                 Privilege(
+                     privilege_id=uuid.UUID('ae4add8c-789a-4d11-a6e9-a306470d83d9'),
+                     privilege_name='add-group-member'),
+                 Privilege(
+                     privilege_id=uuid.UUID('d2a070fd-e031-42fb-ba41-d60cf19e5d6d'),
+                     privilege_name='delete-resource'),
+                 Privilege(
+                     privilege_id=uuid.UUID('d4afe2b3-4ca0-4edd-b37d-966535b5e5bd'),
+                     privilege_name='transfer-group-leadership'),
+             Privilege(
+                 privilege_id=uuid.UUID('f1bd3f42-567e-4965-9643-6d1a52ddee64'),
+                 privilege_name='remove-group-member'))),),
+          tuple(), tuple(), tuple()))))
+def test_user_roles(fxtr_group_user_roles, user, expected):
+    """
+    GIVEN: an authenticated user
+    WHEN: we request the user's privileges
+    THEN: return **ALL** the privileges attached to the user
+    """
+    assert user_roles(fxtr_group_user_roles, user) == expected
-- 
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