mozilla-central/toolkit/components/extensions/test/mochitest/test_ext_runtime_connect.html

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Test Info: Warnings

<!DOCTYPE HTML>
<html>
<head>
<title>WebExtension test</title>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<script 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";
function background() {
browser.runtime.onConnect.addListener(port => {
browser.test.assertEq(port.name, "ernie", "port name correct");
browser.test.assertTrue(port.sender.url.endsWith("file_sample.html"), "URL correct");
browser.test.assertTrue(port.sender.tab.url.endsWith("file_sample.html"), "tab URL correct");
browser.test.assertEq(port.sender.frameId, 0, "frameId of top frame");
browser.test.assertEq(new URL(port.sender.url).origin, port.sender.origin, "sender origin correct");
let expected = "message 1";
port.onMessage.addListener(msg => {
browser.test.assertEq(msg, expected, "message is expected");
if (expected == "message 1") {
port.postMessage("message 2");
expected = "message 3";
} else if (expected == "message 3") {
expected = "disconnect";
browser.test.notifyPass("runtime.connect");
}
});
port.onDisconnect.addListener(() => {
browser.test.assertEq(null, port.error, "No error because port is closed by disconnect() at other end");
browser.test.assertEq(expected, "disconnect", "got disconnection at right time");
});
});
}
function contentScript() {
let port = browser.runtime.connect({name: "ernie"});
port.postMessage("message 1");
port.onMessage.addListener(msg => {
if (msg == "message 2") {
port.postMessage("message 3");
port.disconnect();
}
});
}
let extensionData = {
background,
manifest: {
"permissions": ["tabs"],
"content_scripts": [{
"js": ["content_script.js"],
"run_at": "document_start",
}],
},
files: {
"content_script.js": contentScript,
},
};
add_task(async function test_contentscript() {
let extension = ExtensionTestUtils.loadExtension(extensionData);
await extension.startup();
let win = window.open("file_sample.html");
await Promise.all([waitForLoad(win), extension.awaitFinish("runtime.connect")]);
win.close();
await extension.unload();
info("extension unloaded");
});
</script>
</body>
</html>