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6 changes: 3 additions & 3 deletions package-lock.json

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36 changes: 28 additions & 8 deletions tests/browser/01_io.js
Original file line number Diff line number Diff line change
Expand Up @@ -178,20 +178,40 @@ module.exports = {
browser.click("#auto-bake-label");
browser.expect.element("#auto-bake").to.be.selected.before(1000);

// Record the transient loader state without polling for visibility at one instant.
// The loader is deliberately delayed by 200ms, so waiting to observe it directly is flaky.
browser.execute(function() {
const loader = document.getElementById("output-loader");
window.autobakeLoaderWasVisible = loader.style.visibility === "visible";
window.autobakeLoaderObserver = new MutationObserver(function() {
if (loader.style.visibility === "visible") {
window.autobakeLoaderWasVisible = true;
}
});
window.autobakeLoaderObserver.observe(loader, {
attributes: true,
attributeFilter: ["style"]
});
});

// Add content to the input
browser.pause(100);
browser.sendKeys("#input-text .cm-content", "1");
browser.waitForElementVisible("#output-loader");
browser.waitForElementNotVisible("#stale-indicator", 5000);
browser.pause(500);

// Make another change while the previous input is being baked
browser
.sendKeys("#input-text .cm-content", "2")
.waitForElementNotVisible("#stale-indicator")
.waitForElementNotVisible("#output-loader");

// Ensure we got the latest input baked
utils.expectOutput(browser, "input12");
browser.sendKeys("#input-text .cm-content", "2");

// Wait for the latest input rather than the delayed loading animation.
browser.expect.element("#output-text .cm-content").text.to.equal("input12").before(10000);
browser.waitForElementNotVisible("#output-loader", 10000);
browser.execute(function() {
window.autobakeLoaderObserver.disconnect();
return window.autobakeLoaderWasVisible;
}, [], function({value}) {
browser.expect(value).to.equal(true);
});

// Turn autobake off again
browser.click("#auto-bake-label");
Expand Down