forked from mirrors/gecko-dev
cc94cad035
Differential Revision: https://phabricator.services.mozilla.com/D53180 --HG-- extra : moz-landing-system : lando
56 lines
1.7 KiB
JavaScript
56 lines
1.7 KiB
JavaScript
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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/**
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* Test that the reader mode button appears and works properly on
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* reader-able content.
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*/
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const TEST_PREFS = [["reader.parse-on-load.enabled", true]];
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const TEST_PATH = getRootDirectory(gTestPath).replace(
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"chrome://mochitests/content",
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"http://example.com"
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);
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var readerButton = document.getElementById("reader-mode-button");
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add_task(async function test_reader_button() {
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registerCleanupFunction(function() {
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// Reset test prefs.
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TEST_PREFS.forEach(([name, value]) => {
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Services.prefs.clearUserPref(name);
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});
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while (gBrowser.tabs.length > 1) {
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gBrowser.removeCurrentTab();
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}
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});
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// Set required test prefs.
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TEST_PREFS.forEach(([name, value]) => {
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Services.prefs.setBoolPref(name, value);
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});
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let tab = (gBrowser.selectedTab = BrowserTestUtils.addTab(gBrowser));
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is_element_hidden(
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readerButton,
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"Reader mode button is not present on a new tab"
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);
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// Point tab to a test page that is not reader-able due to hidden nodes.
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let url = TEST_PATH + "readerModeArticleHiddenNodes.html";
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let paintPromise = BrowserTestUtils.waitForContentEvent(
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tab.linkedBrowser,
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"MozAfterPaint",
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false,
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e =>
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e.originalTarget.location.href.endsWith("HiddenNodes.html") &&
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e.originalTarget.document.readyState == "complete"
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);
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BrowserTestUtils.loadURI(tab.linkedBrowser, url);
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await paintPromise;
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is_element_hidden(
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readerButton,
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"Reader mode button is still not present on tab with unreadable content."
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);
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});
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