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<!DOCTYPE HTML>
<html>
<head>
<title>Test for background script teardown</title>
<script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
<script type="text/javascript" src="/tests/SimpleTest/SpawnTask.js"></script>
<script type="text/javascript" src="/tests/SimpleTest/ExtensionTestUtils.js"></script>
<script type="text/javascript" src="head.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css">
</head>
<body>
<script>
"use strict";
add_task(function* test_background_reload_and_unload() {
function background() {
browser.test.onMessage.addListener(msg => {
browser.test.assertEq("reload-background", msg);
location.reload();
});
browser.test.sendMessage("background-url", location.href);
}
let chromeScript = SpecialPowers.loadChromeScript(
SimpleTest.getTestFileURL("file_teardown_test.js"));
yield chromeScript.promiseOneMessage("chromescript-startup");
let extensionData = {
background,
};
let extension = ExtensionTestUtils.loadExtension(extensionData);
function* getContextEvents() {
chromeScript.sendAsyncMessage("get-context-events");
let contextEvents = yield chromeScript.promiseOneMessage("context-events");
return contextEvents.filter(event => event.extensionId == extension.id);
}
yield extension.startup();
let backgroundUrl = yield extension.awaitMessage("background-url");
let contextEvents = yield* getContextEvents();
is(contextEvents.length, 1,
"ExtensionContext state change after loading an extension");
is(contextEvents[0].eventType, "load");
is(contextEvents[0].url, backgroundUrl,
"The ExtensionContext should be the background page");
extension.sendMessage("reload-background");
yield extension.awaitMessage("background-url");
contextEvents = yield* getContextEvents();
is(contextEvents.length, 2,
"ExtensionContext state changes after reloading the background page");
is(contextEvents[0].eventType, "unload",
"Unload ExtensionContext of background page");
is(contextEvents[0].url, backgroundUrl, "ExtensionContext URL = background");
is(contextEvents[1].eventType, "load",
"Create new ExtensionContext for background page");
is(contextEvents[1].url, backgroundUrl, "ExtensionContext URL = background");
yield extension.unload();
contextEvents = yield* getContextEvents();
is(contextEvents.length, 1,
"ExtensionContext state change after unloading the extension");
is(contextEvents[0].eventType, "unload",
"Unload ExtensionContext for background page after extension unloads");
is(contextEvents[0].url, backgroundUrl, "ExtensionContext URL = background");
chromeScript.sendAsyncMessage("cleanup");
chromeScript.destroy();
});
</script>
</body>
</html>
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