Import AITURK IDE 1.0.0-beta.1 from Hermes 63279301; preserve MIT license

tests/run_agent/test_switch_model_stale_base_url.py

@@ -0,0 +1,59 @@
+"""Regression tests for #47828: switch_model must not pair a new provider
+label with the previous provider's base_url when the resolver returns no
+new base_url for a genuine provider change.
+"""
+
+from unittest.mock import MagicMock, patch
+
+import pytest
+
+from run_agent import AIAgent
+from agent.context_compressor import ContextCompressor
+
+
+def _make_agent_with_compressor(provider="copilot", base_url="https://api.githubcopilot.com") -> AIAgent:
+    """Build a minimal AIAgent with a context_compressor, skipping __init__."""
+    agent = AIAgent.__new__(AIAgent)
+
+    agent.model = "claude-opus-4.8"
+    agent.provider = provider
+    agent.base_url = base_url
+    agent.api_key = "sk-primary"
+    agent.api_mode = "chat_completions"
+    agent.client = MagicMock()
+    agent.quiet_mode = True
+    agent._config_context_length = None
+
+    compressor = ContextCompressor(
+        model=agent.model,
+        threshold_percent=0.50,
+        base_url=base_url,
+        api_key="sk-primary",
+        provider=provider,
+        quiet_mode=True,
+        config_context_length=None,
+    )
+    agent.context_compressor = compressor
+    agent._primary_runtime = {}
+
+    return agent
+
+
+@patch("agent.model_metadata.get_model_context_length", return_value=131_072)
+def test_switch_model_rejects_stale_base_url_on_provider_change(mock_ctx_len):
+    """A provider change with no resolved base_url must fail loud instead of
+    silently keeping the previous provider's endpoint (#47828)."""
+    agent = _make_agent_with_compressor(provider="copilot", base_url="https://api.githubcopilot.com")
+
+    with pytest.raises(ValueError, match="no base_url resolved"):
+        agent.switch_model("MiniMax-M3", "custom:minimax", api_key="sk-minimax", base_url="")
+
+    # Rollback must leave the agent fully on the old (provider, base_url) pair —
+    # not a mismatched new-model/old-endpoint hybrid.
+    assert agent.provider == "copilot"
+    assert agent.base_url == "https://api.githubcopilot.com"
+    assert agent.model == "claude-opus-4.8"
+
+
+
+