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ci(3d): 3D-renderer parity status line in the Discord screenshot report

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Reads the compare-dirs report.json of the parity + webgl-self levels (when
present — inert for builds without the 3D harness) and appends one line:
'✅ 3D renderer: parity 47/47 · webgl-self 47/47', or on drift the changed
count + worst offender with a pointer to the run-artifact triptychs.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
This commit is contained in:
Istvan Matejcsok 2026-07-03 15:40:42 +02:00
commit 121ab28ab6
1 changed files with 37 additions and 0 deletions
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37
tests/tools/screenshots/post-discord.ts
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@ -76,6 +76,42 @@ function attach(root: string, rel: string, name: string): Attachment | null {
}
}
/** One status line for the 3D-renderer regression suite (tests/3d-regression),
* from the compare-dirs report.json of each level that ran. Empty when the
* suite didn't run (reports absent) so the message stays inert for builds
* without the 3D harness. Triptychs live in the run artifact, not Discord. */
function threeDStatusLine(): string[] {
const levels: Array<{ tag: string; dir: string }> = [
{ tag: 'parity', dir: '3d-regression/output/diff/parity' },
{ tag: 'webgl-self', dir: '3d-regression/output/diff/webgl-self' },
];
const parts: string[] = [];
let drift = false;
for (const { tag, dir } of levels) {
const file = path.join(dir, 'report.json');
if (!fs.existsSync(file)) continue;
try {
const r = JSON.parse(fs.readFileSync(file, 'utf8'));
const changed = (r.changed?.length ?? 0) + (r.added?.length ?? 0) + (r.removed?.length ?? 0);
const total = (r.unchangedCount ?? 0) + (r.changed?.length ?? 0);
if (changed === 0) {
parts.push(`${tag} ${total}/${total}`);
} else {
drift = true;
const worst = r.changed?.[0];
const worstNote = worst ? ` (worst \`${worst.name}\` ${(worst.changedRatio * 100).toFixed(1)}%)` : '';
parts.push(`**${tag} ${changed} changed**${worstNote}`);
}
} catch {
/* unreadable report — skip the level */
}
}
if (!parts.length) return [];
return [`${drift ? '⚠️' : '✅'} 3D renderer: ${parts.join(' · ')}${drift ? ' — triptychs in the run artifact' : ''}`];
}
/** Build the header text: SHA, subject, e2e, perf table, screenshot summary, removed list. */
function buildHeader(report: Report | null, perfBlock: string, meta: { sha?: string; subject: string; e2e?: string }): string {
const shortSha = meta.sha ? meta.sha.slice(0, 7) : 'local';
@ -97,6 +133,7 @@ function buildHeader(report: Report | null, perfBlock: string, meta: { sha?: str
const extra = report.removed.length > REMOVED_CAP ? ` (+${report.removed.length - REMOVED_CAP} more)` : '';
lines.push('➖ REMOVED: ' + shown + extra);
}
lines.push(...threeDStatusLine());
return lines.join('\n');
}