Initial import of NousResearch/hermes-agent

tests/run_agent/test_credential_pool_interrupt.py

@@ -0,0 +1,99 @@
+"""Regression test for #26145: credential pool rotation after interrupt-resume.
+
+When has_retried_429 is lost (user cancels between 429s), the pool should
+still rotate if the current credential is already marked exhausted.
+"""
+from unittest.mock import MagicMock, patch
+
+from agent.credential_pool import PooledCredential, STATUS_EXHAUSTED
+from agent.error_classifier import FailoverReason
+
+
+def _make_entry(idx, **overrides):
+    defaults = dict(
+        provider="test-provider",
+        id=f"cred-{idx}",
+        label=f"Credential {idx}",
+        auth_type="api_key",
+        priority=idx,
+        source="manual",
+        access_token=f"key-{idx}",
+    )
+    defaults.update(overrides)
+    return PooledCredential(**defaults)
+
+
+def _make_pool(entries):
+    pool = MagicMock()
+    pool.entries = entries
+    pool.current.return_value = entries[0]
+    return pool
+
+
+def test_rotate_immediately_when_credential_already_exhausted():
+    """If current credential has last_status='exhausted', rotate on first 429
+    instead of retrying (Option A fix for #26145)."""
+    entries = [_make_entry(0, last_status=STATUS_EXHAUSTED, last_error_code=429), _make_entry(1)]
+    pool = _make_pool(entries)
+    pool.mark_exhausted_and_rotate.return_value = entries[1]
+
+    from run_agent import AIAgent
+    with patch("run_agent.get_tool_definitions", return_value=[]),          patch("run_agent.check_toolset_requirements", return_value={}),          patch("run_agent.OpenAI"):
+        agent = MagicMock(spec=AIAgent)
+        agent._credential_pool = pool
+        agent._swap_credential = MagicMock()
+        recovered, retried = AIAgent._recover_with_credential_pool(
+            agent,
+            status_code=429,
+            has_retried_429=False,  # Key: False on first 429 after interrupt
+            classified_reason=FailoverReason.rate_limit,
+        )
+
+    assert recovered is True
+    assert retried is False
+    pool.mark_exhausted_and_rotate.assert_called_once()
+    agent._swap_credential.assert_called_once_with(entries[1])
+
+
+def test_normal_retry_when_credential_not_exhausted():
+    """When credential is active, first 429 should still retry (existing behavior)."""
+    entries = [_make_entry(0, last_status=None), _make_entry(1)]
+    pool = _make_pool(entries)
+
+    from run_agent import AIAgent
+    with patch("run_agent.get_tool_definitions", return_value=[]),          patch("run_agent.check_toolset_requirements", return_value={}),          patch("run_agent.OpenAI"):
+        agent = MagicMock(spec=AIAgent)
+        agent._credential_pool = pool
+        recovered, retried = AIAgent._recover_with_credential_pool(
+            agent,
+            status_code=429,
+            has_retried_429=False,
+            classified_reason=FailoverReason.rate_limit,
+        )
+
+    assert recovered is False
+    assert retried is True
+    pool.mark_exhausted_and_rotate.assert_not_called()
+
+
+def test_rotate_on_second_429_when_not_exhausted():
+    """When credential is active and this is the second 429, rotate (existing behavior)."""
+    entries = [_make_entry(0, last_status=None), _make_entry(1)]
+    pool = _make_pool(entries)
+    pool.mark_exhausted_and_rotate.return_value = entries[1]
+
+    from run_agent import AIAgent
+    with patch("run_agent.get_tool_definitions", return_value=[]),          patch("run_agent.check_toolset_requirements", return_value={}),          patch("run_agent.OpenAI"):
+        agent = MagicMock(spec=AIAgent)
+        agent._credential_pool = pool
+        agent._swap_credential = MagicMock()
+        recovered, retried = AIAgent._recover_with_credential_pool(
+            agent,
+            status_code=429,
+            has_retried_429=True,  # Second 429
+            classified_reason=FailoverReason.rate_limit,
+        )
+
+    assert recovered is True
+    assert retried is False
+    pool.mark_exhausted_and_rotate.assert_called_once()