Add per-role badge colors

tests/test_core/test_users_api.py

@@ -27,3 +27,23 @@ def test_delete_user_with_tokens_and_audit_history(client, auth_headers, app, db
         assert ApiToken.query.filter_by(userid=userid).count() == 0
         detached = AuditLog.query.filter_by(entityname='imported thing').one()
         assert detached.userid is None
+
+
+def test_role_color_create_list_update(client, auth_headers):
+    """A role carries an optional badge color through create, list, and update."""
+    created = client.post('/api/users/roles', headers=auth_headers, json={
+        'rolename': 'painters', 'description': 'colorful', 'color': '#ff8800',
+        'permissions': [],
+    })
+    assert created.status_code == 201, created.get_json()
+    roleid = created.get_json()['data']['roleid']
+    assert created.get_json()['data']['color'] == '#ff8800'
+
+    listed = client.get('/api/users/roles', headers=auth_headers)
+    row = next(r for r in listed.get_json()['data'] if r['roleid'] == roleid)
+    assert row['color'] == '#ff8800'
+
+    updated = client.put(f'/api/users/roles/{roleid}', headers=auth_headers,
+                         json={'color': '#00aa55'})
+    assert updated.status_code == 200, updated.get_json()
+    assert updated.get_json()['data']['color'] == '#00aa55'