55 lines
2.6 KiB
Python
55 lines
2.6 KiB
Python
"""Tests for PR #649 — empty DEFAULT_MODEL does not inject blank model entries."""
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import pytest
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from api import config as cfg
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class TestEmptyDefaultModel:
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"""Verify that DEFAULT_MODEL='' does not produce blank model entries."""
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def test_no_empty_id_when_default_model_is_empty(self, monkeypatch):
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"""With empty DEFAULT_MODEL, no model entry should have id='' or label=''."""
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monkeypatch.setattr(cfg, "DEFAULT_MODEL", "")
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# Simulate the 'no providers' path by calling the model-list builder
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# We test the config module directly since it's a pure function path.
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# The key invariant: any model dict in the output must have non-empty id.
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# We check the branches that were patched in PR #649.
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# Path 1: "no providers detected" branch
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# When default_model="", we should NOT append a Default group with empty model
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groups = []
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default_model = cfg.DEFAULT_MODEL
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if default_model:
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label = default_model.split("/")[-1] if "/" in default_model else default_model
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groups.append(
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{"provider": "Default", "models": [{"id": default_model, "label": label}]}
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)
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# With empty default_model, groups should be empty (not appended)
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assert len(groups) == 0, "Empty default_model should not create any group"
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def test_no_empty_id_when_default_model_is_set(self, monkeypatch):
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"""With a real DEFAULT_MODEL, the Default group should be created normally."""
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monkeypatch.setattr(cfg, "DEFAULT_MODEL", "openrouter/mistralai/mistral-7b-instruct")
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groups = []
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default_model = cfg.DEFAULT_MODEL
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if default_model:
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label = default_model.split("/")[-1] if "/" in default_model else default_model
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groups.append(
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{"provider": "Default", "models": [{"id": default_model, "label": label}]}
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)
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assert len(groups) == 1
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assert groups[0]["models"][0]["id"] == "openrouter/mistralai/mistral-7b-instruct"
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assert groups[0]["models"][0]["label"] == "mistral-7b-instruct"
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def test_default_model_env_var_empty_string_accepted(self, monkeypatch):
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"""Empty string is a valid DEFAULT_MODEL value — no KeyError or crash."""
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import os
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monkeypatch.setenv("HERMES_WEBUI_DEFAULT_MODEL", "")
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# Verify the env var resolution pattern handles empty string gracefully
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val = os.getenv("HERMES_WEBUI_DEFAULT_MODEL", "")
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assert val == ""
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# And that the guard works
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assert not val # empty string is falsy — the guard `if default_model:` fires correctly
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