mozilla-central/browser/components/extensions/test/browser/browser_ext_tabs_readerMode.js (file symbol)

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Test Info: Warnings

/* -*- Mode: indent-tabs-mode: nil; js-indent-level: 2 -*- */
/* vim: set sts=2 sw=2 et tw=80: */
"use strict";
add_task(async function test_reader_mode() {
let extension = ExtensionTestUtils.loadExtension({
manifest: {
permissions: ["tabs"],
},
async background() {
let tab;
let tabId;
let expected = { isInReaderMode: false };
let testState = {};
browser.test.onMessage.addListener(async (msg, ...args) => {
switch (msg) {
case "updateUrl":
expected.isArticle = args[0];
expected.url = args[1];
tab = await browser.tabs.update({ url: expected.url });
tabId = tab.id;
break;
case "enterReaderMode":
expected.isArticle = !args[0];
expected.isInReaderMode = true;
tab = await browser.tabs.get(tabId);
browser.test.assertEq(
false,
tab.isInReaderMode,
"The tab is not in reader mode."
);
if (args[0]) {
browser.tabs.toggleReaderMode(tabId);
} else {
await browser.test.assertRejects(
browser.tabs.toggleReaderMode(tabId),
/The specified tab cannot be placed into reader mode/,
"Toggle fails with an unreaderable document."
);
browser.test.assertEq(
false,
tab.isInReaderMode,
"The tab is still not in reader mode."
);
browser.test.sendMessage("enterFailed");
}
break;
case "leaveReaderMode":
expected.isInReaderMode = false;
tab = await browser.tabs.get(tabId);
browser.test.assertTrue(
tab.isInReaderMode,
"The tab is in reader mode."
);
browser.tabs.toggleReaderMode(tabId);
break;
}
});
browser.tabs.onUpdated.addListener(async (tabId, changeInfo, tab) => {
if (changeInfo.status === "complete") {
testState.url = tab.url;
let urlOk = expected.isInReaderMode
? testState.url.startsWith("about:reader")
: expected.url == testState.url;
if (urlOk && expected.isArticle == testState.isArticle) {
browser.test.sendMessage("tabUpdated", tab);
}
return;
}
if (
changeInfo.isArticle == expected.isArticle &&
changeInfo.isArticle != testState.isArticle
) {
testState.isArticle = changeInfo.isArticle;
let urlOk = expected.isInReaderMode
? testState.url.startsWith("about:reader")
: expected.url == testState.url;
if (urlOk && expected.isArticle == testState.isArticle) {
browser.test.sendMessage("isArticle", tab);
}
}
});
},
});
const TEST_PATH = getRootDirectory(gTestPath).replace(
);
const READER_MODE_PREFIX = "about:reader";
await extension.startup();
extension.sendMessage(
"updateUrl",
true,
`${TEST_PATH}readerModeArticle.html`
);
let tab = await extension.awaitMessage("isArticle");
ok(
!tab.url.startsWith(READER_MODE_PREFIX),
"Tab url does not indicate reader mode."
);
ok(tab.isArticle, "Tab is readerable.");
extension.sendMessage("enterReaderMode", true);
tab = await extension.awaitMessage("tabUpdated");
ok(tab.url.startsWith(READER_MODE_PREFIX), "Tab url indicates reader mode.");
ok(tab.isInReaderMode, "tab.isInReaderMode indicates reader mode.");
extension.sendMessage("leaveReaderMode");
tab = await extension.awaitMessage("tabUpdated");
ok(
!tab.url.startsWith(READER_MODE_PREFIX),
"Tab url does not indicate reader mode."
);
ok(!tab.isInReaderMode, "tab.isInReaderMode does not indicate reader mode.");
extension.sendMessage(
"updateUrl",
false,
`${TEST_PATH}readerModeNonArticle.html`
);
tab = await extension.awaitMessage("tabUpdated");
ok(
!tab.url.startsWith(READER_MODE_PREFIX),
"Tab url does not indicate reader mode."
);
ok(!tab.isArticle, "Tab is not readerable.");
ok(!tab.isInReaderMode, "tab.isInReaderMode does not indicate reader mode.");
extension.sendMessage("enterReaderMode", false);
await extension.awaitMessage("enterFailed");
await extension.unload();
});