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Arvin Xu
73 lines
2.7 KiB
JavaScript
73 lines
2.7 KiB
JavaScript
// Run N round-trip tab switches with event markers timed against the probe.
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//
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// agent-browser --cdp 9222 eval --stdin < tab-switch.js
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//
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// Captures the currently-active tab as the BACK target and the rightmost
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// inactive tab as the AWAY target. Both are addressed by their stable
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// data-contextmenu-trigger key (NOT by visible title — the active tab's
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// innerText embeds a ` · <agent name>` suffix that breaks text matching).
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//
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// Fires the loop in the background and returns immediately so the
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// agent-browser eval doesn't have to await the full ROUND_TRIPS × DWELL_MS
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// duration. Wait on the `SWITCH_LOOP_DONE` event before dumping.
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//
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// Refuses to launch if a previous loop is still in flight.
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//
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// Requires probe.js to have been installed first (provides
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// window.__PROBE_EVENT / __listTabs / __clickTabByKey / __activeTabKey).
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(function () {
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const ROUND_TRIPS = 4;
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const DWELL_MS = 10_000;
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if (!window.__PROBE_EVENT || !window.__listTabs || !window.__clickTabByKey) {
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return 'probe not installed — eval probe.js first';
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}
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if (window.__SWITCH_LOOP_RUNNING) {
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return 'switch loop already running — wait for SWITCH_LOOP_DONE first';
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}
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const tabs = window.__listTabs();
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const activeTab = tabs.find((t) => t.active);
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if (!activeTab) return 'no active tab — abort';
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// Pick the first inactive tab as AWAY target. With multiple inactive tabs
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// you'll usually want the one that's stable across the test — feel free
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// to swap to tabs[tabs.length-1] if you want the rightmost.
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const inactives = tabs.filter((t) => !t.active);
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if (inactives.length === 0) return 'no inactive tab to switch to — abort';
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const awayTab = inactives.at(-1); // rightmost inactive
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const BACK_KEY = activeTab.key;
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const AWAY_KEY = awayTab.key;
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window.__SWITCH_LOOP_RUNNING = true;
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window.__PROBE_EVENT('SWITCH_LOOP_CONFIG:back=' + BACK_KEY + ',away=' + AWAY_KEY);
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(async function () {
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function sleep(ms) {
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return new Promise((r) => setTimeout(r, ms));
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}
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try {
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window.__PROBE_EVENT('SWITCH_LOOP_START');
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for (let i = 1; i <= ROUND_TRIPS; i++) {
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window.__PROBE_EVENT('AWAY_' + i);
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const awayResult = window.__clickTabByKey(AWAY_KEY);
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window.__PROBE_EVENT('AWAY_' + i + '_RES:' + awayResult.slice(0, 50));
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await sleep(DWELL_MS);
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window.__PROBE_EVENT('BACK_' + i);
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const backResult = window.__clickTabByKey(BACK_KEY);
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window.__PROBE_EVENT('BACK_' + i + '_RES:' + backResult.slice(0, 50));
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await sleep(DWELL_MS);
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}
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window.__PROBE_EVENT('SWITCH_LOOP_DONE');
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} finally {
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window.__SWITCH_LOOP_RUNNING = false;
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}
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})();
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return 'switch loop kicked off (BACK=' + BACK_KEY + ', AWAY=' + AWAY_KEY + ')';
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})();
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