Fsdp grad accum monkeypatch (#2064)

tests/e2e/patched/test_trainer_fsdp.py

@@ -0,0 +1,15 @@
+"""Test module for checking whether the integration of Unsloth with Hugging Face Transformers is working as expected."""
+import unittest
+
+from axolotl.monkeypatch.trainer_fsdp_grad_accum import check_training_loop_is_patchable
+
+
+class TestTrainerFSDPIntegration(unittest.TestCase):
+    """Unsloth monkeypatch integration tests."""
+
+    def test_train_loop_patchable(self):
+        # ensures the current version of transformers has loss code that matches our patching code
+        self.assertTrue(
+            check_training_loop_is_patchable(),
+            "HF transformers _inner_training_loop has changed and isn't patchable",
+        )