From d512dfb0a57193565ac8e74c73f5b02edeb68360 Mon Sep 17 00:00:00 2001
From: Trenton H <797416+stumpylog@users.noreply.github.com>
Date: Wed, 25 Mar 2026 15:44:14 -0700
Subject: [PATCH] Alright, let's try the LLM solution.  I don't see the global
 state leaking

---
 .../tests/test_migration_sha256_checksums.py         | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/src/documents/tests/test_migration_sha256_checksums.py b/src/documents/tests/test_migration_sha256_checksums.py
index 010863f50..4a53b724c 100644
--- a/src/documents/tests/test_migration_sha256_checksums.py
+++ b/src/documents/tests/test_migration_sha256_checksums.py
@@ -4,6 +4,7 @@ import tempfile
 from pathlib import Path
 
 from django.conf import settings
+from django.db import connection
 from django.test import override_settings
 
 from documents.tests.utils import TestMigrations
@@ -84,6 +85,17 @@ class TestSha256ChecksumDataMigration(TestMigrations):
             archive_checksum=None,
         ).pk
 
+    def _fixture_teardown(self) -> None:
+        super()._fixture_teardown()
+        # Django's SQLite backend returns [] from sequence_reset_sql(), so
+        # reset_sequences=True flushes rows but never clears sqlite_sequence.
+        # Explicitly delete the entry so subsequent tests start from pk=1.
+        if connection.vendor == "sqlite":
+            with connection.cursor() as cursor:
+                cursor.execute(
+                    "DELETE FROM sqlite_sequence WHERE name='documents_document'",
+                )
+
     def tearDown(self) -> None:
         super().tearDown()
         self._settings_override.disable()