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Krzysztof kuhy Rudnicki
27f44cad4b
Every Flutter app still shipped the stock Flutter "beach" launcher icon, and none had an adaptive-icon descriptor at all. Rather than hand-drawing five one-off icons, define the family once and let each app contribute only an accent colour and a glyph. The family: a charcoal #1B1D21 field carrying one glyph in that app's own theme seed colour, at a single stroke weight. Glyphs are optically centred automatically - render.centre_offset rasterises a glyph alone, measures its ink box, and translates (never scales) the fragment, so a row of icons lines up while every icon keeps the exact family stroke weight. safe_box_overflow warns when a glyph exceeds the 560px adaptive-icon safe box; it caught three real overflows that a launcher mask would have clipped. The registry points dufs_client at ~/dufs-cloud/app: ~/dufs_client was a stale, remote-less checkout with an identical package name, since deleted. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
110 lines
4.0 KiB
Python
110 lines
4.0 KiB
Python
"""Tests for app_icons.render."""
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from __future__ import annotations
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from pathlib import Path
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import subprocess
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from unittest.mock import MagicMock, patch
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import pytest
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from python_pkg.app_icons import render, style
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from python_pkg.app_icons.glyphs import Glyph
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MOD = "python_pkg.app_icons.render"
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DOT = Glyph("dot", "a dot", ' <path d="M 100 100 L 200 200"/>')
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FILLED = Glyph("filled", "a filled shape", ' <rect fill="{{ACCENT}}" />')
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class TestResolveTool:
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@patch(f"{MOD}.shutil.which", return_value="/usr/bin/magick")
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def test_found(self, mock_which: MagicMock) -> None:
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assert render.resolve_tool("magick") == "/usr/bin/magick"
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@patch(f"{MOD}.shutil.which", return_value=None)
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def test_missing(self, mock_which: MagicMock) -> None:
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with pytest.raises(render.ToolMissingError) as excinfo:
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render.resolve_tool("nope")
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assert excinfo.value.tool == "nope"
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class TestBuildSvg:
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def test_background_layer_has_field(self) -> None:
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svg = render.build_svg(DOT, "#123456", with_background=True)
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assert style.BACKGROUND in svg
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assert 'stroke="#123456"' in svg
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assert f'stroke-width="{style.STROKE_WIDTH}"' in svg
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def test_transparent_layer_has_no_field(self) -> None:
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svg = render.build_svg(DOT, "#123456", with_background=False)
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assert style.BACKGROUND not in svg
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def test_offset_is_applied(self) -> None:
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svg = render.build_svg(DOT, "#123456", with_background=False, offset=(3.5, -7))
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assert 'transform="translate(3.5,-7)"' in svg
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def test_accent_token_is_substituted(self) -> None:
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svg = render.build_svg(FILLED, "#ABCDEF", with_background=False)
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assert style.ACCENT_MARKER not in svg
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assert 'fill="#ABCDEF"' in svg
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class TestRasterise:
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@patch(f"{MOD}.subprocess.run")
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@patch(f"{MOD}.resolve_tool", return_value="/usr/bin/rsvg-convert")
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def test_invokes_rsvg_and_creates_parent(
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self, mock_tool: MagicMock, run: MagicMock, tmp_path: Path
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) -> None:
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destination = tmp_path / "nested" / "out.png"
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render.rasterise("<svg/>", destination, 256)
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assert destination.parent.is_dir()
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argv = run.call_args.args[0]
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assert argv[0] == "/usr/bin/rsvg-convert"
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assert "256" in argv
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assert run.call_args.kwargs["input"] == b"<svg/>"
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class TestInkBbox:
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@patch(f"{MOD}.subprocess.run")
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@patch(f"{MOD}.resolve_tool", return_value="/usr/bin/magick")
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def test_parses_identify_output(self, mock_tool: MagicMock, run: MagicMock) -> None:
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run.return_value = subprocess.CompletedProcess([], 0, stdout="400 300 +100 +50")
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assert render._ink_bbox(Path("x.png")) == (400, 300, 100, 50)
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class TestCentreOffset:
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@patch(f"{MOD}._ink_bbox", return_value=(400, 300, 112, 262))
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@patch(f"{MOD}.rasterise")
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def test_centres_ink_box(
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self, mock_raster: MagicMock, mock_bbox: MagicMock
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) -> None:
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dx, dy = render.centre_offset(DOT, "#FFFFFF")
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# ink centre is (312, 412); canvas centre is 512.
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assert (dx, dy) == (200, 100)
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@patch(f"{MOD}._ink_bbox", return_value=(0, 0, 0, 0))
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@patch(f"{MOD}.rasterise")
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def test_empty_glyph_raises(
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self, mock_raster: MagicMock, mock_bbox: MagicMock
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) -> None:
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with pytest.raises(render.EmptyGlyphError) as excinfo:
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render.centre_offset(DOT, "#FFFFFF")
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assert excinfo.value.name == "dot"
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class TestSafeBoxOverflow:
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@patch(f"{MOD}._ink_bbox", return_value=(600, 500, 0, 0))
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@patch(f"{MOD}.rasterise")
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def test_reports_horizontal_overflow(
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self, mock_raster: MagicMock, mock_bbox: MagicMock
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) -> None:
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assert render.safe_box_overflow(DOT, "#FFFFFF") == (600 - style.SAFE_BOX, 0)
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@patch(f"{MOD}._ink_bbox", return_value=(100, 100, 0, 0))
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@patch(f"{MOD}.rasterise")
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def test_no_overflow_is_zero(
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self, mock_raster: MagicMock, mock_bbox: MagicMock
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) -> None:
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assert render.safe_box_overflow(DOT, "#FFFFFF") == (0, 0)
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