fune/toolkit/components/thumbnails/test/browser_thumbnails_bg_bad_url.js
Mike Conley fac08e5f9c Bug 1591495 - Update thumbnail tests to use more modern primitives, like add_task. r=Gijs
Depends on D50851

Differential Revision: https://phabricator.services.mozilla.com/D50852

--HG--
extra : moz-landing-system : lando
2019-11-01 22:55:11 +00:00

24 lines
826 B
JavaScript

/* Any copyright is dedicated to the Public Domain.
* http://creativecommons.org/publicdomain/zero/1.0/ */
add_task(async function thumbnails_bg_bad_url() {
let url = "invalid-protocol://ffggfsdfsdf/";
ok(!thumbnailExists(url), "Thumbnail should not be cached already.");
let numCalls = 0;
let observer = bgAddPageThumbObserver(url);
await new Promise(resolve => {
BackgroundPageThumbs.capture(url, {
onDone: function onDone(capturedURL) {
is(capturedURL, url, "Captured URL should be URL passed to capture");
is(numCalls++, 0, "onDone should be called only once");
ok(
!thumbnailExists(url),
"Capture failed so thumbnail should not be cached"
);
resolve();
},
});
});
await Assert.rejects(observer, /page-thumbnail:error/);
});