unsloth/studio/backend/tests/test_startup_banner_loopback.py
oobabooga 4176448fb8
Studio: enable stdio MCP servers on a loopback bind (#6295)
* Studio: enable stdio MCP servers on a loopback bind

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

* Studio: address codex review on stdio MCP loopback gate

* Studio: fix banner URL and preserve stdio MCP env opt-in on network binds

* Studio: scope loopback to exact aliases and honor force-disable on run_server reuse

* Studio: cover force-disable across a public re-bind and fix a stale test comment

* Studio: keep stdio MCP off on Colab loopback launches

* Studio: set tool policy before server startup

---------

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
Co-authored-by: Lee Jackson <130007945+Imagineer99@users.noreply.github.com>
Co-authored-by: imagineer99 <samleejackson0@gmail.com>
2026-06-15 03:02:32 +01:00

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1,002 B
Python

# SPDX-License-Identifier: AGPL-3.0-only
# Copyright 2026-present the Unsloth AI Inc. team. All rights reserved. See /studio/LICENSE.AGPL-3.0
"""Regression for PR #6295: the banner's canned http://127.0.0.1 URL is valid
only for the exact loopback aliases, so any other bind (e.g. a specific LAN IP)
must show its real address."""
import pytest
from startup_banner import print_studio_access_banner
def test_non_alias_loopback_shows_real_address(capsys):
# A server bound to 127.0.0.2 does not listen on 127.0.0.1.
print_studio_access_banner(port = 8891, bind_host = "127.0.0.2", display_host = "127.0.0.2")
out = capsys.readouterr().out
assert "http://127.0.0.2:8891" in out
assert "http://127.0.0.1" not in out
@pytest.mark.parametrize("host", ["127.0.0.1", "localhost"])
def test_alias_loopback_shows_canned_url(capsys, host):
print_studio_access_banner(port = 8891, bind_host = host, display_host = host)
assert "http://127.0.0.1:8891" in capsys.readouterr().out