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e1a996435d
Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com> Co-authored-by: J. Nick Koston <nick@koston.org> Co-authored-by: J. Nick Koston <nick@home-assistant.io>
65 lines
1.7 KiB
Python
65 lines
1.7 KiB
Python
"""Tests for the polygon zone text pattern and maximum length.
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Home Assistant validates polygon input with the pattern before it reaches the device, so the pattern must accept
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what Polygon::parse() accepts. Coordinate ranges are the one exception: only the device checks those.
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"""
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from __future__ import annotations
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import re
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import pytest
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from esphome.components.ld2450.text import (
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MAX_POLYGON_POINTS,
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POLYGON_MAX_LENGTH,
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POLYGON_PATTERN,
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)
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# The same inputs as the C++ parser tests (ld2450_polygon.cpp), without out-of-range values
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ACCEPTED = [
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"",
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" ",
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"-1000,500;1000,500;0,3000",
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" -1000 , 500 ; 1000,500; 0,3000; ",
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"-4860,0;4860,0;4860,7560",
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]
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REJECTED = [
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"0,0",
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"0,0;100,100",
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"junk",
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"1,2;3",
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"1,2;3,4;5,",
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"1;2;3",
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"1,2 3,4 5,6",
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"1,2;;3,4;5,6",
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"--1,2;3,4;5,6",
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"1,2;3,4;5,6x",
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"1,2;\t3,4;5,6",
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]
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@pytest.mark.parametrize("value", ACCEPTED)
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def test_pattern_accepts_valid_polygons(value: str) -> None:
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assert re.fullmatch(POLYGON_PATTERN, value)
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@pytest.mark.parametrize("value", REJECTED)
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def test_pattern_rejects_invalid_polygons(value: str) -> None:
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assert not re.fullmatch(POLYGON_PATTERN, value)
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def test_point_count_limits() -> None:
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assert re.fullmatch(POLYGON_PATTERN, ";".join(["0,0"] * MAX_POLYGON_POINTS))
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assert not re.fullmatch(
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POLYGON_PATTERN, ";".join(["0,0"] * (MAX_POLYGON_POINTS + 1))
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)
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def test_longest_polygon_fits_max_length() -> None:
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longest = ";".join(["-4860,7560"] * MAX_POLYGON_POINTS)
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assert re.fullmatch(POLYGON_PATTERN, longest)
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assert len(longest) <= POLYGON_MAX_LENGTH
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# MAX_POLYGON_POINTS is the most that always fits
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assert len(longest + ";-4860,7560") > POLYGON_MAX_LENGTH
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