auth: Add test for `create_group`

* gn3/auth/authorisation/__init__.py: Add `authorised_p` decorator to be used
  for all function requiring authorisation.
* gn3/auth/authorisation/groups.py: Add `create_group` function stub
* tests/unit/auth/conftest.py: Add fixture for test users
* tests/unit/auth/test_groups.py: Add tests for `create_group`

2 files changed, 42 insertions, 0 deletions

diff --git a/tests/unit/auth/conftest.py b/tests/unit/auth/conftest.py
index b7e00bd..3d887be 100644
--- a/tests/unit/auth/conftest.py
+++ b/tests/unit/auth/conftest.py
@@ -50,3 +50,20 @@ def migrations_up_to(migration, migrations_dir):
     migrations = read_migrations(migrations_dir)
     index = [mig.path for mig in migrations].index(migration)
     return MigrationList(migrations[0:index])
+
+@pytest.fixture(scope="function")
+def test_users(conn_after_auth_migrations):
+    query = "INSERT INTO users(user_id, email, name) VALUES (?, ?, ?)"
+    test_users = (
+        ("ecb52977-3004-469e-9428-2a1856725c7f", "group@lead.er",
+         "Group Leader"),
+        ("21351b66-8aad-475b-84ac-53ce528451e3", "group@mem.ber01",
+         "Group Member 01"),
+        ("ae9c6245-0966-41a5-9a5e-20885a96bea7", "group@mem.ber02",
+         "Group Member 02"),
+        ("9a0c7ce5-2f40-4e78-979e-bf3527a59579", "unaff@iliated.user",
+         "Unaffiliated User"))
+    with closing(conn_after_auth_migrations.cursor()) as cursor:
+        cursor.executemany(query, test_users)
+
+    yield conn_after_auth_migrations
diff --git a/tests/unit/auth/test_groups.py b/tests/unit/auth/test_groups.py
new file mode 100644
index 0000000..fa7f334
--- /dev/null
+++ b/tests/unit/auth/test_groups.py
@@ -0,0 +1,25 @@
+"""Test functions dealing with group management."""
+from uuid import UUID
+
+import pytest
+
+from gn3.auth.authorisation.groups import create_group
+
+@pytest.mark.unit_test
+@pytest.mark.parametrize(
+    "user_id,expected", (
+    ("ecb52977-3004-469e-9428-2a1856725c7f", {
+        "status": "success",
+        "message": "Successfully created group!",
+        "group_id": UUID("d32611e3-07fc-4564-b56c-786c6db6de2b")
+    }),
+    ("21351b66-8aad-475b-84ac-53ce528451e3", {
+        "status": "error", "message": "unauthorised"}),
+    ("ae9c6245-0966-41a5-9a5e-20885a96bea7", {
+        "status": "error", "message": "unauthorised"}),
+    ("9a0c7ce5-2f40-4e78-979e-bf3527a59579", {
+        "status": "error", "message": "unauthorised"}),
+    ("e614247d-84d2-491d-a048-f80b578216cb", {
+        "status": "error", "message": "unauthorised"})))
+def test_create_group(test_users, user_id, expected):
+    assert create_group("a_test_group") == expected