test_ext_action.html

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<!DOCTYPE HTML>

<html>

<head>

  <meta charset="utf-8">

  <title>Action with MV3</title>

  <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.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 type="text/javascript">

"use strict";

add_task(async function setup() {

  await SpecialPowers.pushPrefEnv({

    set: [["extensions.manifestV3.enabled", true]],

});

});

add_task(async function test_action_onClicked() {

  const extension = ExtensionTestUtils.loadExtension({

    manifest: {

      manifest_version: 3,

      action: {},

},

    background() {

      browser.action.onClicked.addListener(async () => {

        browser.test.notifyPass("action-clicked");

});

      browser.test.sendMessage("background-ready");

},

});

  await extension.startup();

  await extension.awaitMessage("background-ready");

  await AppTestDelegate.clickBrowserAction(window, extension);

  await extension.awaitFinish("action-clicked");

  await AppTestDelegate.closeBrowserAction(window, extension);

  await extension.unload();

});

</script>

</body>

</html>