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Test Info: Warnings
- This test gets skipped with pattern: os == 'linux' && os_version == '18.04' && asan OR os == 'linux' && os_version == '18.04' && tsan
- Manifest: browser/components/extensions/test/browser/browser.toml
/* -*- Mode: indent-tabs-mode: nil; js-indent-level: 2 -*- */
/* vim: set sts=2 sw=2 et tw=80: */
"use strict";
add_task(async function testExecuteScriptAtOnUpdated() {
const BASE =
const URL = BASE + "file_iframe_document.html";
// The bug (executeScript not completing any more) occurred when executeScript
// was called early at the onUpdated event, unless the tabs.create method is
// called. So this test does not use tabs.create to open new tabs.
// Note that if this test is run together with other tests that do call
// tabs.create, then this test case does not properly test the conditions of
// the regression any more. To verify that the regression has been resolved,
// this test must be run in isolation.
function background() {
// Using variables to prevent listeners from running more than once, instead
// of removing the listener. This is to minimize any IPC, since the bug that
// is being tested is sensitive to timing.
let ignore = false;
let url;
browser.tabs.onUpdated.addListener((tabId, changeInfo, tab) => {
if (ignore) {
return;
}
if (url && changeInfo.status === "loading" && tab.url === url) {
ignore = true;
browser.tabs
.executeScript(tabId, {
code: "document.URL",
})
.then(
results => {
browser.test.assertEq(
url,
results[0],
"Content script should run"
);
browser.test.notifyPass("executeScript-at-onUpdated");
},
error => {
browser.test.fail(`Unexpected error: ${error} :: ${error.stack}`);
browser.test.notifyFail("executeScript-at-onUpdated");
}
);
// (running this log call after executeScript to minimize IPC between
// onUpdated and executeScript.)
browser.test.log(`Found expected navigation to ${url}`);
} else {
// The bug occurs when executeScript is called before a tab is
// initialized.
browser.tabs.executeScript(tabId, { code: "" });
}
});
browser.test.onMessage.addListener(testUrl => {
url = testUrl;
browser.test.sendMessage("open-test-tab");
});
}
let extension = ExtensionTestUtils.loadExtension({
manifest: {
},
background,
});
await extension.startup();
extension.sendMessage(URL);
await extension.awaitMessage("open-test-tab");
let tab = await BrowserTestUtils.openNewForegroundTab(gBrowser, URL, true);
await extension.awaitFinish("executeScript-at-onUpdated");
await extension.unload();
BrowserTestUtils.removeTab(tab);
});