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fac08e5f9c
Depends on D50851 Differential Revision: https://phabricator.services.mozilla.com/D50852 --HG-- extra : moz-landing-system : lando
37 lines
1.4 KiB
JavaScript
37 lines
1.4 KiB
JavaScript
/* Any copyright is dedicated to the Public Domain.
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* http://creativecommons.org/publicdomain/zero/1.0/ */
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add_task(async function thumbnails_bg_captureIfMissing() {
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let numNotifications = 0;
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function observe(subject, topic, data) {
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is(topic, "page-thumbnail:create", "got expected topic");
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numNotifications += 1;
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}
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Services.obs.addObserver(observe, "page-thumbnail:create");
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let url = "http://example.com/";
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let file = thumbnailFile(url);
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ok(!file.exists(), "Thumbnail file should not already exist.");
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let [capturedURL] = await bgCaptureIfMissing(url);
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is(numNotifications, 1, "got notification of item being created.");
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is(capturedURL, url, "Captured URL should be URL passed to capture");
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ok(file.exists(url), "Thumbnail should be cached after capture");
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let past = Date.now() - 1000000000;
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let pastFudge = past + 30000;
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file.lastModifiedTime = past;
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ok(file.lastModifiedTime < pastFudge, "Last modified time should stick!");
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[capturedURL] = await bgCaptureIfMissing(url);
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is(numNotifications, 1, "still only 1 notification of item being created.");
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is(capturedURL, url, "Captured URL should be URL passed to second capture");
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ok(file.exists(), "Thumbnail should remain cached after second capture");
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ok(
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file.lastModifiedTime < pastFudge,
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"File should not have been overwritten"
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);
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file.remove(false);
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Services.obs.removeObserver(observe, "page-thumbnail:create");
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});
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