44 lines
1.9 KiB
Python
44 lines
1.9 KiB
Python
"""Regression tests for ``_normalize_main_model_assignment`` (POST /api/model/set).
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Named custom providers are represented as ``custom:<name>`` slugs everywhere
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else in the codebase (``runtime_provider.py``, ``model_switch.py``), but
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``_KNOWN_PROVIDER_NAMES`` only lists the bare ``"custom"`` bucket. Before this
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fix, persisting a main-slot assignment for a named custom provider (e.g. a
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LiteLLM proxy fronting Ollama, registered as ``custom:litellm``) together with
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a slash-bearing model id (``ollama/glm-5.2``) was indistinguishable from the
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"vendor prefix posing as a provider" analytics-fallback case, and got silently
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rewritten to ``provider: openrouter`` in ``config.yaml`` -- reassigning the
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provider entirely, not just mangling the model id.
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"""
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from hermes_cli.web_server import _normalize_main_model_assignment
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class TestNamedCustomProviderIsNotTreatedAsStrayVendorPrefix:
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def test_named_custom_provider_slug_is_preserved(self):
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assert _normalize_main_model_assignment("custom:litellm", "ollama/glm-5.2") == (
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"custom:litellm",
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"ollama/glm-5.2",
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)
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def test_bare_custom_bucket_is_preserved(self):
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assert _normalize_main_model_assignment("custom", "ollama/glm-5.2") == (
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"custom",
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"ollama/glm-5.2",
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)
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class TestStrayVendorPrefixFallbackStillWorks:
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"""The original bug this function fixes: an analytics row with no
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``billing_provider`` falls back to the model's vendor prefix as the
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"provider" (e.g. ``provider="anthropic"`` from
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``modelVendor("anthropic/claude-opus-4.6")``). That must still resolve
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to the native provider with its model normalized -- unaffected by the
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``custom:`` exclusion above.
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"""
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def test_known_native_provider_still_normalizes_model(self):
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assert _normalize_main_model_assignment(
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"anthropic", "anthropic/claude-opus-4.6"
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) == ("anthropic", "claude-opus-4-6")
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