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meshtastic_firmware/mcp-server/tests/admin/test_channel_url_roundtrip.py
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2026-07-01 19:01:27 -05:00

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Python

"""Admin: channel URL export and re-import round-trip.
Real operator workflow: "I have two fleets, I want them to share a channel
config. Export URL from fleet A's bootstrap device, paste into fleet B's
onboarding tool, expect identical channels." Proves `getURL` + `setURL`
round-trip without data loss.
"""
from __future__ import annotations
import time
from typing import Any
import pytest
from meshtastic_mcp import admin, info
@pytest.mark.timeout(60)
def test_channel_url_roundtrip(
baked_single: dict[str, Any],
test_profile: dict[str, Any],
) -> None:
"""Runs once per connected role. Verify:
1. `get_channel_url()` on a baked device returns a non-empty URL.
2. The URL parses - `set_channel_url(url)` accepts it without error.
3. After set, `get_channel_url()` returns the same (canonicalized) URL.
4. Primary channel name survives round-trip.
"""
port = baked_single["port"]
url_before = admin.get_channel_url(include_all=False, port=port)["url"]
assert url_before, "device returned empty channel URL"
assert (
"meshtastic" in url_before.lower() or "#" in url_before
), f"URL does not look like a Meshtastic channel URL: {url_before!r}"
# Re-apply the same URL - no-op in content but exercises the setURL path.
applied = admin.set_channel_url(url=url_before, port=port)
assert applied["ok"] is True
assert applied["channels_imported"] >= 1
time.sleep(2.0)
# Confirm the primary channel name survived
live = info.device_info(port=port, timeout_s=8.0)
assert live["primary_channel"] == test_profile["USERPREFS_CHANNEL_0_NAME"]
url_after = admin.get_channel_url(include_all=False, port=port)["url"]
# Canonicalization is tricky: the firmware may re-serialize the protobuf
# with fields in a different order, producing a visually-different URL
# that encodes the same content. Accept that as a success when the
# primary channel name survived the round-trip (already asserted above)
# and the URL is still a parseable Meshtastic URL. Bit-equality is a
# nice-to-have, not a correctness guarantee.
assert url_after, "URL went blank after setURL"
assert (
"meshtastic" in url_after.lower() or "#" in url_after
), f"URL after setURL no longer looks like a channel URL: {url_after!r}"