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"""Tests for utils.py functionality."""
from __future__ import annotations
from switchbot.utils import format_mac_upper
def test_format_mac_upper() -> None:
"""Test the format_mac_upper utility function."""
# Test already formatted with colons (lowercase)
assert format_mac_upper("aa:bb:cc:dd:ee:ff") == "AA:BB:CC:DD:EE:FF"
# Test already formatted with colons (uppercase)
assert format_mac_upper("AA:BB:CC:DD:EE:FF") == "AA:BB:CC:DD:EE:FF"
# Test with dashes
assert format_mac_upper("aa-bb-cc-dd-ee-ff") == "AA:BB:CC:DD:EE:FF"
assert format_mac_upper("AA-BB-CC-DD-EE-FF") == "AA:BB:CC:DD:EE:FF"
# Test with dots (Cisco format)
assert format_mac_upper("aabb.ccdd.eeff") == "AA:BB:CC:DD:EE:FF"
assert format_mac_upper("AABB.CCDD.EEFF") == "AA:BB:CC:DD:EE:FF"
# Test without separators
assert format_mac_upper("aabbccddeeff") == "AA:BB:CC:DD:EE:FF"
assert format_mac_upper("AABBCCDDEEFF") == "AA:BB:CC:DD:EE:FF"
# Test mixed case without separators
assert format_mac_upper("AaBbCcDdEeFf") == "AA:BB:CC:DD:EE:FF"
# Test invalid formats (should return original in uppercase)
assert format_mac_upper("invalid") == "INVALID"
assert format_mac_upper("aa:bb:cc") == "AA:BB:CC" # Too short
assert (
format_mac_upper("aa:bb:cc:dd:ee:ff:gg") == "AA:BB:CC:DD:EE:FF:GG"
) # Too long
# Test edge cases
assert format_mac_upper("") == ""
assert format_mac_upper("123456789ABC") == "12:34:56:78:9A:BC"
assert format_mac_upper("12:34:56:78:9a:bc") == "12:34:56:78:9A:BC"
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