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test(cli): cover prerouter defaults at engine dispatch #143

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Merged
shuk777 merged 1 commit into from
Oct 19, 2026
Merged

test(cli): cover prerouter defaults at engine dispatch #143

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32 changes: 31 additions & 1 deletion python/tests/test_cli_flags.py
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Original file line number Diff line number Diff line change
Expand Up @@ -2,9 +2,11 @@

from __future__ import annotations

from unittest.mock import Mock

import pytest

from edge0.cli import _build_parser, _engine_kwargs
from edge0.cli import TIER_ENV, _build_parser, _engine_kwargs


@pytest.mark.parametrize("cmd", ["demo", "chat", "serve"])
Expand All @@ -31,3 +33,31 @@ def test_serve_keeps_its_own_flags():
args = _build_parser().parse_args(
["serve", "edge0-8b", "--host", "0.0.0.0", "--port", "9"])
assert (args.host, args.port) == ("0.0.0.0", 9)


@pytest.mark.parametrize("cmd", ["demo", "chat", "serve"])
@pytest.mark.parametrize("tier", ["edge0-8b", "edge0-35b"])
@pytest.mark.parametrize("no_prerouter", [False, True])
def test_entrypoint_preserves_prerouter_contract(
cmd, tier, no_prerouter, monkeypatch, tmp_path):
"""Check actual CLI dispatch without constructing an inference engine."""
from edge0 import AutoEngine

class EngineConstructionReached(Exception):
pass

factory = Mock(side_effect=EngineConstructionReached)
monkeypatch.setattr(AutoEngine, "from_pretrained", factory)
monkeypatch.setenv(TIER_ENV[tier], str(tmp_path))
argv = [cmd, tier]
if no_prerouter:
argv.append("--no-prerouter")
args = _build_parser().parse_args(argv)

with pytest.raises(EngineConstructionReached):
args.fn(args)

expected = {}
if no_prerouter or (cmd == "demo" and tier == "edge0-8b"):
expected["prerouter"] = None
factory.assert_called_once_with(str(tmp_path), name=tier, **expected)
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