Add delete_zentral_user command

server/accounts/management/commands/delete_zentral_user.py

@@ -0,0 +1,19 @@
+import sys
+from django.core.management.base import BaseCommand
+from accounts.models import User
+
+
+class Command(BaseCommand):
+    help = 'Delete a Zentral user or service account.'
+
+    def add_arguments(self, parser):
+        parser.add_argument('username')
+
+    def handle(self, *args, **kwargs):
+        username = kwargs["username"]
+        deleted_user_count, _ = User.objects.filter(username=username).delete()
+        if deleted_user_count == 0:
+            self.stderr.write("0 users deleted")
+            sys.exit(11)
+        else:
+            self.stdout.write(f"{deleted_user_count} user(s) deleted")

tests/server_accounts/test_delete_zentral_user_cmd.py

@@ -0,0 +1,33 @@
+from io import StringIO
+from unittest.mock import patch
+from django.core.management import call_command
+from django.test import TestCase
+from accounts.models import User
+
+
+class DeleteZentralUserTestCase(TestCase):
+    def call_command(self, *args, **kwargs):
+        stdout = StringIO()
+        stderr = StringIO()
+        call_command(
+            "delete_zentral_user",
+            *args,
+            stdout=stdout,
+            stderr=stderr,
+            **kwargs,
+        )
+        return stdout.getvalue(), stderr.getvalue()
+
+    @patch("accounts.management.commands.delete_zentral_user.sys.exit")
+    def test_delete_user_zero_users(self, sys_exit):
+        stdout, stderr = self.call_command("yolo")
+        sys_exit.assert_called_once_with(11)
+        self.assertEqual(stdout, "")
+        self.assertEqual(stderr, "0 users deleted\n")
+
+    def test_delete_one_user(self):
+        User.objects.create_user("yolo", "[email protected]")
+        stdout, stderr = self.call_command("yolo")
+        self.assertEqual(stdout, "1 user(s) deleted\n")
+        self.assertEqual(stderr, "")
+        self.assertFalse(User.objects.filter(username="yolo").exists())