43 lines
1.4 KiB
JavaScript
43 lines
1.4 KiB
JavaScript
import test from 'node:test';
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import assert from 'node:assert/strict';
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import topHud from '../src/assets/controller/top-hud.js';
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import leftStatus from '../src/assets/controller/left-status.js';
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import rightControls from '../src/assets/controller/right-controls.js';
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import cannonRoundel from '../src/assets/controller/cannon-roundel.js';
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import helmFrame from '../src/assets/controller/helm-frame.js';
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import helmKnob from '../src/assets/controller/helm-knob.js';
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const assets = {
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topHud,
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leftStatus,
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rightControls,
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cannonRoundel,
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helmFrame,
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helmKnob,
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};
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const decodeWebP = (name, dataUrl) => {
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const match = /^data:image\/webp;base64,([A-Za-z0-9+/=]+)$/.exec(dataUrl);
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assert.ok(match, `${name} must be a WebP data URL`);
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const bytes = Buffer.from(match[1], 'base64');
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assert.equal(bytes.subarray(0, 4).toString('ascii'), 'RIFF', `${name} RIFF header`);
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assert.equal(bytes.subarray(8, 12).toString('ascii'), 'WEBP', `${name} WEBP signature`);
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const declaredSize = bytes.readUInt32LE(4) + 8;
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assert.equal(
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bytes.length,
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declaredSize,
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`${name} must not be truncated: declared ${declaredSize}, actual ${bytes.length}`,
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);
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assert.ok(bytes.length > 100, `${name} should contain real image data`);
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};
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for (const [name, dataUrl] of Object.entries(assets)) {
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test(`${name} WebP payload is structurally complete`, () => {
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decodeWebP(name, dataUrl);
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});
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}
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