63 lines
2.7 KiB
JavaScript
63 lines
2.7 KiB
JavaScript
import { test } from 'node:test';
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import assert from 'node:assert/strict';
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import { createHash } from 'node:crypto';
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import { readFileSync } from 'node:fs';
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import opentype from 'opentype.js';
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import { glyphPath, trunkPath, cellWidth, rowHeight, stemWidth, branchY, branchThickness } from '../src/lib/landing-glyphs.mjs';
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const box = (d) => opentype.Path.fromSVG(d, { flipY: false, decimalPlaces: 5 }).getBoundingBox();
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const close = (actual, expected) => assert.ok(Math.abs(actual - expected) < .00002, `${actual} != ${expected}`);
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test('pinned font binaries and upstream licenses match their integrity manifest', () => {
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const lines = readFileSync('public/fonts/SHA256SUMS', 'utf8').trim().split('\n');
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assert.ok(lines.length >= 8);
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for (const line of lines) {
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const [expected, name] = line.trim().split(/\s+/);
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const bytes = readFileSync(`public/fonts/${name}`);
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assert.equal(createHash('sha256').update(bytes).digest('hex'), expected, name);
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}
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});
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test('Lyth Mono paths retain exact advance, row bounds and stroke dimensions', () => {
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close(cellWidth, 8.456);
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close(stemWidth, 1.064 * 1.25);
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close(branchThickness, (68 / 1170) * 24 * 1.25);
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close(branchY, rowHeight / 2);
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const vertical = box(glyphPath('│'));
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close(vertical.y1, 0);
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close(vertical.y2, 24);
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close((vertical.x1 + vertical.x2) / 2, cellWidth / 2);
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close(vertical.x2 - vertical.x1, stemWidth);
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const horizontal = box(glyphPath('─'));
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close(horizontal.x1, 0);
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close(horizontal.x2, cellWidth);
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close(horizontal.y2 - horizontal.y1, branchThickness);
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close((horizontal.y1 + horizontal.y2) / 2, branchY);
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const tee = box(glyphPath('├'));
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close(tee.x1, cellWidth / 2 - stemWidth / 2);
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close(tee.x2, cellWidth);
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close(tee.y1, 0);
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close(tee.y2, rowHeight);
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const elbow = box(glyphPath('└'));
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close(elbow.x1, tee.x1);
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close(elbow.x2, cellWidth);
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close(elbow.y1, 0);
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close(elbow.y2, branchY + branchThickness / 2);
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const trunk = box(trunkPath);
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close(trunk.x1 + trunk.x2, 0);
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close(trunk.x2 - trunk.x1, stemWidth);
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close(trunk.y1, 0);
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close(trunk.y2, 1);
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});
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test('cell layout bypasses shaping, preserves spaces and fails for missing glyphs', () => {
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close(box(glyphPath(' │')).x1, box(glyphPath('│')).x1 + 4 * cellWidth);
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close(box(glyphPath('── ')).x2, 2 * cellWidth);
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for (const prefix of ['├─ ', '│ ├─ ', '│ └─ ', ' └─ ', '├ ', '│ ├ ', '│ └ ', '│ └ ', ' └ ', '├── ', '│ ├── ', '│ └── ', '│ └── ', ' └── ']) {
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const path = glyphPath(prefix);
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assert.ok(path.length > 0);
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assert.ok(!path.includes('NaN'));
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}
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assert.throws(() => glyphPath('日'), /Lyth Mono is missing/);
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});
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