mirror of
https://github.com/Matysh/houseplan-card
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104 lines
3.9 KiB
Python
104 lines
3.9 KiB
Python
"""HA-independent coordinate canonicalisation contracts (#224/#431/#440)."""
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from __future__ import annotations
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import copy
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import json
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import math
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from pathlib import Path
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from custom_components.houseplan.coordinate_canonicalization import (
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COORDINATE_DECIMALS,
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DECOR_BOX_KINDS,
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LATTICE_GRID_N,
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LATTICE_NOISE_STEPS,
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canonicalize_config_geometry,
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canonicalize_lattice_coordinate,
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canonicalize_layout_geometry,
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canonicalize_number,
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)
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FIXTURE = (
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Path(__file__).parents[1]
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/ "test"
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/ "fixtures"
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/ "coordinate-canonicalization.json"
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)
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def _fixture() -> dict:
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return json.loads(FIXTURE.read_text(encoding="utf-8"))
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def test_python_and_frontend_share_the_scalar_lattice_fixture_contract() -> None:
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fixture = _fixture()
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config_input = fixture["configInput"]
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layout_input = fixture["layoutInput"]
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config_before = copy.deepcopy(config_input)
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layout_before = copy.deepcopy(layout_input)
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assert COORDINATE_DECIMALS == fixture["decimals"]
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config = canonicalize_config_geometry(config_input)
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layout = canonicalize_layout_geometry(layout_input)
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assert config == fixture["configExpected"]
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assert layout == fixture["layoutExpected"]
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assert config_input == config_before
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assert layout_input == layout_before
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assert canonicalize_config_geometry(config) == config
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assert canonicalize_layout_geometry(layout) == layout
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assert math.copysign(1.0, layout["rl:poly"]["x"]) == 1.0
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def test_decor_box_catalog_matches_shared_contract() -> None:
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fixture = _fixture()
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assert list(DECOR_BOX_KINDS) == fixture["boxKinds"]
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input_decor = fixture["configInput"]["spaces"][0]["decor"]
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input_boxes = [item for item in input_decor if item["kind"] in DECOR_BOX_KINDS]
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assert sorted(item["kind"] for item in input_boxes) == sorted(fixture["boxKinds"])
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result = canonicalize_config_geometry(fixture["configInput"])
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output_by_id = {item["id"]: item for item in result["spaces"][0]["decor"]}
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expected_by_id = {
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item["id"]: item for item in fixture["configExpected"]["spaces"][0]["decor"]
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}
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for source in input_boxes:
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actual = output_by_id[source["id"]]
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expected = expected_by_id[source["id"]]
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for field in ("x", "y", "w", "h", "angle"):
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assert actual[field] == expected[field]
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assert actual[field] != source[field]
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source_image = next(item for item in input_boxes if item["kind"] == "image")
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image = output_by_id["image"]
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for field in ("asset_id", "opacity", "flip_h", "flip_v", "future"):
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assert image[field] == source_image[field]
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def test_scalar_contract_is_symmetric_and_keeps_off_grid_geometry() -> None:
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assert canonicalize_number(1.2345678905) == 1.234567891
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assert canonicalize_number(-1.2345678905) == -1.234567891
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value = 0.20833333333333334
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assert canonicalize_number(value) == 0.208333333
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assert abs(canonicalize_number(value) - value) <= 5e-10
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assert math.isnan(canonicalize_number(float("nan")))
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assert canonicalize_number(float("inf")) == float("inf")
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def test_all_4801_lattice_nodes_and_nine_decimal_forms_share_exact_bits() -> None:
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assert LATTICE_GRID_N == 240
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assert LATTICE_NOISE_STEPS == 1e-4
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for index in range(-2400, 2401):
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node = index / LATTICE_GRID_N
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nine_decimal = float(f"{node:.9f}")
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assert canonicalize_lattice_coordinate(node) == node
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assert canonicalize_lattice_coordinate(nine_decimal) == node
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assert canonicalize_lattice_coordinate(
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canonicalize_lattice_coordinate(nine_decimal)
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) == node
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assert math.copysign(1.0, canonicalize_lattice_coordinate(-0.0)) == 1.0
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assert canonicalize_lattice_coordinate(0.06) == 0.06
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assert canonicalize_lattice_coordinate(0.2875) == 0.2875
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assert canonicalize_lattice_coordinate((1 + 0.999e-4) / 240) == 1 / 240
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assert canonicalize_lattice_coordinate((1 + 1.001e-4) / 240) == 0.004167084
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