mozilla-central/toolkit/components/extensions/test/mochitest/test_ext_runtime_connect_twoway.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>
"use strict";
add_task(async function test_connect_bidirectionally_and_postMessage() {
function background() {
let onConnectCount = 0;
browser.runtime.onConnect.addListener(port => {
// 3. onConnect by connect() from CS.
browser.test.assertEq("from-cs", port.name);
browser.test.assertEq(1, ++onConnectCount,
"BG onConnect should be called once");
let tabId = port.sender.tab.id;
browser.test.assertTrue(tabId, "content script must have a tab ID");
let port2;
let postMessageCount1 = 0;
port.onMessage.addListener(msg => {
// 11. port.onMessage by port.postMessage in CS.
browser.test.assertEq("from CS to port", msg);
browser.test.assertEq(1, ++postMessageCount1,
"BG port.onMessage should be called once");
// 12. should trigger port2.onMessage in CS.
port2.postMessage("from BG to port2");
});
// 4. Should trigger onConnect in CS.
port2 = browser.tabs.connect(tabId, {name: "from-bg"});
let postMessageCount2 = 0;
port2.onMessage.addListener(msg => {
// 7. onMessage by port2.postMessage in CS.
browser.test.assertEq("from CS to port2", msg);
browser.test.assertEq(1, ++postMessageCount2,
"BG port2.onMessage should be called once");
// 8. Should trigger port.onMessage in CS.
port.postMessage("from BG to port");
});
});
// 1. Notify test runner to create a new tab.
browser.test.sendMessage("ready");
}
function contentScript() {
let onConnectCount = 0;
let port;
browser.runtime.onConnect.addListener(port2 => {
// 5. onConnect by connect() from BG.
browser.test.assertEq("from-bg", port2.name);
browser.test.assertEq(1, ++onConnectCount,
"CS onConnect should be called once");
let postMessageCount2 = 0;
port2.onMessage.addListener(msg => {
// 12. port2.onMessage by port2.postMessage in BG.
browser.test.assertEq("from BG to port2", msg);
browser.test.assertEq(1, ++postMessageCount2,
"CS port2.onMessage should be called once");
// TODO(robwu): Do not explicitly disconnect, it should not be a problem
// if we keep the ports open. However, not closing the ports causes the
// test to fail with NS_ERROR_NOT_INITIALIZED in ExtensionUtils.jsm, in
// Port.prototype.disconnect (nsIMessageSender.sendAsyncMessage).
port.disconnect();
port2.disconnect();
browser.test.notifyPass("ping pong done");
});
// 6. should trigger port2.onMessage in BG.
port2.postMessage("from CS to port2");
});
// 2. should trigger onConnect in BG.
port = browser.runtime.connect({name: "from-cs"});
let postMessageCount1 = 0;
port.onMessage.addListener(msg => {
// 9. onMessage by port.postMessage in BG.
browser.test.assertEq("from BG to port", msg);
browser.test.assertEq(1, ++postMessageCount1,
"CS port.onMessage should be called once");
// 10. should trigger port.onMessage in BG.
port.postMessage("from CS to port");
});
}
let extensionData = {
background,
manifest: {
content_scripts: [{
js: ["contentscript.js"],
}],
},
files: {
"contentscript.js": contentScript,
},
};
let extension = ExtensionTestUtils.loadExtension(extensionData);
await extension.startup();
info("extension loaded");
await extension.awaitMessage("ready");
let win = window.open("file_sample.html");
await extension.awaitFinish("ping pong done");
win.close();
await extension.unload();
info("extension unloaded");
});
</script>
</body>