56 lines
1.8 KiB
Python
56 lines
1.8 KiB
Python
"""The integration's local brand images (Home Assistant 2026.3+).
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``custom_components/nestquest/brand/`` ships through HACS with the
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integration, and Home Assistant serves those images ahead of the brands CDN.
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They are generated offline from ``design/logos/NestQuest-NoBG.png`` by
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``design/logos/generate-brand-icons.mjs``; these checks fail if the directory
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goes missing, changes shape, or drifts from a fresh generation.
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"""
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from __future__ import annotations
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import shutil
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import struct
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import subprocess
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from pathlib import Path
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import pytest
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REPO_ROOT = Path(__file__).parent.parent
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BRAND_DIR = REPO_ROOT / "custom_components" / "nestquest" / "brand"
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GENERATOR = REPO_ROOT / "design" / "logos" / "generate-brand-icons.mjs"
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EXPECTED = {
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"icon.png": 256,
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"icon@2x.png": 512,
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"logo.png": 256,
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"logo@2x.png": 512,
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}
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PNG_SIGNATURE = b"\x89PNG\r\n\x1a\n"
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def test_brand_dir_holds_exactly_the_four_images() -> None:
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assert sorted(p.name for p in BRAND_DIR.iterdir()) == sorted(EXPECTED)
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@pytest.mark.parametrize(("name", "size"), sorted(EXPECTED.items()))
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def test_brand_image_is_square_rgba_png(name: str, size: int) -> None:
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data = (BRAND_DIR / name).read_bytes()
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assert data[:8] == PNG_SIGNATURE
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assert data[12:16] == b"IHDR"
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width, height, depth, colour = struct.unpack(">IIBB", data[16:26])
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assert (width, height) == (size, size)
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assert (depth, colour) == (8, 6) # 8-bit RGBA keeps the transparency
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def test_generator_reproduces_the_committed_images() -> None:
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node = shutil.which("node")
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if node is None:
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pytest.skip("needs node")
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result = subprocess.run(
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[node, str(GENERATOR), "--check"],
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cwd=REPO_ROOT,
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capture_output=True,
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text=True,
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check=False,
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)
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assert result.returncode == 0, result.stderr
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