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paseo-bot[bot]andPete Keen
69ef741a73
Retained panels keep their children mounted, so mount-only registration kept hidden rings subscribed to the shared UI clock. Detach inactive rings and retain a local phase so hidden animated styles also stop receiving updates while visible rings continue. Co-authored-by: paseo-bot[bot] <266920839+paseo-bot[bot]@users.noreply.github.com> Co-authored-by: Pete Keen <pete@petekeen.net>
72 lines
2.8 KiB
JavaScript
72 lines
2.8 KiB
JavaScript
import assert from "node:assert/strict";
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import { execFileSync } from "node:child_process";
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import { setTimeout as delay } from "node:timers/promises";
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const [, , session, metroUrl] = process.argv;
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assert(session && metroUrl, "Pass an agent-device session and Metro URL serving native.tsx");
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function ad(...args) {
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return execFileSync("agent-device", ["--session", session, ...args], {
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encoding: "utf8",
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timeout: 60_000,
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});
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}
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function evaluate(expression) {
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const value = ad("cdp", "runtime", "eval", "--expr", expression, "--json").trim();
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return value === "undefined" ? undefined : JSON.parse(value);
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}
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let target;
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const deadline = Date.now() + 30_000;
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do {
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target = ad("cdp", "target", "list", "--url", metroUrl)
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.split("\n")
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.find((line) => line.includes("sh.paseo.debug"));
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if (!target) await delay(250);
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} while (!target && Date.now() < deadline);
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assert(target, "Open the Android dev client on this Metro bundle first");
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ad("cdp", "target", "select", target.split(/\s+/)[0]);
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let ready = false;
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do {
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ready = evaluate("Object.keys(globalThis.__ringReaders ?? {}).length === 2");
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if (!ready) await delay(250);
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} while (!ready && Date.now() < deadline);
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assert(ready, "The two native probes must mount before sampling");
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async function sample() {
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evaluate("Object.values(globalThis.__ringReaders).forEach(read => read())");
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await delay(100);
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return JSON.parse(evaluate("JSON.stringify(globalThis.__ringSamples)"));
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}
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async function observe(label) {
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const before = await sample();
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await delay(600);
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const after = await sample();
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const deltas = Object.fromEntries(
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Object.keys(before).map((key) => [key, after[key].updates - before[key].updates]),
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);
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console.log(JSON.stringify({ label, deltas, after }));
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return { deltas, after };
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}
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const visible = await observe("both visible");
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assert(visible.deltas.first > 0 && visible.deltas.second > 0);
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assert.equal(visible.after.first.rotation, visible.after.second.rotation);
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ad("press", 'label="HIDE FIRST"');
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await delay(200);
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const hidden = await observe("first hidden, second visible");
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assert.equal(hidden.deltas.first, 0, "A retained hidden ring must stop UI-thread rotation updates");
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assert(hidden.deltas.second > 0, "Visible rings must continue rotating");
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ad("press", 'label="HIDE SECOND"');
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await delay(200);
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const allHidden = await observe("both hidden");
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assert.equal(allHidden.deltas.first, 0);
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assert.equal(allHidden.deltas.second, 0);
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ad("press", 'label="SHOW FIRST"');
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ad("press", 'label="SHOW SECOND"');
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await delay(200);
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const restored = await observe("both shown again");
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assert(restored.deltas.first > 0 && restored.deltas.second > 0);
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assert.equal(
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restored.after.first.rotation,
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restored.after.second.rotation,
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"Restored rings must share the current phase",
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);
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console.log("PASS native retained-ring lifecycle");
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