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/* Any copyright is dedicated to the Public Domain.
* http://creativecommons.org/publicdomain/zero/1.0/ */
add_task(async function thumbnails_bg_captureIfMissing() {
let numNotifications = 0;
function observe(subject, topic) {
is(topic, "page-thumbnail:create", "got expected topic");
numNotifications += 1;
}
Services.obs.addObserver(observe, "page-thumbnail:create");
let url = "https://example.com/";
let file = thumbnailFile(url);
ok(!file.exists(), "Thumbnail file should not already exist.");
let [capturedURL] = await bgCaptureIfMissing(url);
is(numNotifications, 1, "got notification of item being created.");
is(capturedURL, url, "Captured URL should be URL passed to capture");
ok(file.exists(url), "Thumbnail should be cached after capture");
let past = Date.now() - 1000000000;
let pastFudge = past + 30000;
file.lastModifiedTime = past;
Assert.less(
file.lastModifiedTime,
pastFudge,
"Last modified time should stick!"
);
[capturedURL] = await bgCaptureIfMissing(url);
is(numNotifications, 1, "still only 1 notification of item being created.");
is(capturedURL, url, "Captured URL should be URL passed to second capture");
ok(file.exists(), "Thumbnail should remain cached after second capture");
Assert.less(
file.lastModifiedTime,
pastFudge,
"File should not have been overwritten"
);
file.remove(false);
Services.obs.removeObserver(observe, "page-thumbnail:create");
});
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