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browser/components/extensions/test/browser/browser_ext_connect_and_move_tabs.js
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,95 @@ | ||
| /* -*- Mode: indent-tabs-mode: nil; js-indent-level: 2 -*- */ | ||
| /* vim: set sts=2 sw=2 et tw=80: */ | ||
| "use strict"; | ||
|
|
||
| // Tests that the Port object created by browser.runtime.connect is not | ||
| // prematurely disconnected as the underlying message managers change when a | ||
| // tab is moved between windows. | ||
|
|
||
| function loadExtension() { | ||
| return ExtensionTestUtils.loadExtension({ | ||
| manifest: { | ||
| "content_scripts": [{ | ||
| "js": ["script.js"], | ||
| "matches": ["http://mochi.test/"], | ||
| }], | ||
| }, | ||
| background() { | ||
| browser.runtime.onConnect.addListener((port) => { | ||
| port.onDisconnect.addListener(() => { | ||
| browser.test.fail("onDisconnect should not fire because the port is to be closed from this side"); | ||
| browser.test.sendMessage("port_disconnected"); | ||
| }); | ||
| port.onMessage.addListener(async msg => { | ||
| browser.test.assertEq("connect_from_contentscript", msg, "expected message"); | ||
| // Move a tab to a new window and back. Regression test for bugzil.la/1448674 | ||
| let {windowId, id: tabId, index} = port.sender.tab; | ||
| await browser.windows.create({tabId}); | ||
| await browser.tabs.move(tabId, {index, windowId}); | ||
| await browser.windows.create({tabId}); | ||
| await browser.tabs.move(tabId, {index, windowId}); | ||
| try { | ||
| // When the port is unexpectedly disconnected, postMessage will throw an error. | ||
| port.postMessage("ping"); | ||
| } catch (e) { | ||
| browser.test.fail(`Error: ${e} :: ${e.stack}`); | ||
| browser.test.sendMessage("port_ping_ponged_before_disconnect"); | ||
| } | ||
| }); | ||
|
|
||
| browser.runtime.onMessage.addListener((msg, sender) => { | ||
| browser.test.assertEq("disconnect-me", msg, "expected message"); | ||
| port.disconnect(); | ||
| // Now port.onDisconnect should fire in the content script. | ||
| }); | ||
| }); | ||
|
|
||
| browser.test.onMessage.addListener(msg => { | ||
| browser.test.assertEq("open_extension_tab", msg, "expected message"); | ||
| browser.tabs.create({url: "tab.html"}); | ||
| }); | ||
| }, | ||
|
|
||
| files: { | ||
| "tab.html": ` | ||
| <!DOCTYPE html><meta charset="utf-8"> | ||
| <script src="script.js"></script> | ||
| `, | ||
| "script.js": function() { | ||
| let port = browser.runtime.connect(); | ||
| port.onMessage.addListener(msg => { | ||
| browser.test.assertEq("ping", msg, "expected message"); | ||
| browser.test.sendMessage("port_ping_ponged_before_disconnect"); | ||
| port.onDisconnect.addListener(() => { | ||
| browser.test.sendMessage("port_disconnected"); | ||
| }); | ||
| browser.runtime.sendMessage("disconnect-me"); | ||
| }); | ||
| port.postMessage("connect_from_contentscript"); | ||
| }, | ||
| }, | ||
| }); | ||
| } | ||
|
|
||
| add_task(async function contentscript_connect_and_move_tabs() { | ||
| let extension = loadExtension(); | ||
| await extension.startup(); | ||
| await BrowserTestUtils.openNewForegroundTab(gBrowser, "http://mochi.test:8888/"); | ||
| await extension.awaitMessage("port_ping_ponged_before_disconnect"); | ||
| await extension.awaitMessage("port_disconnected"); | ||
| // Must use gBrowser.selectedTab instead of the return value of | ||
| // BrowserTestUtils.openNewForegroundTab because the latter does not refer to | ||
| // the tab because the tab is moved between windows during the test. | ||
| await BrowserTestUtils.removeTab(gBrowser.selectedTab); | ||
| await extension.unload(); | ||
| }); | ||
|
|
||
| add_task(async function extension_tab_connect_and_move_tabs() { | ||
| let extension = loadExtension(); | ||
| await extension.startup(); | ||
| extension.sendMessage("open_extension_tab"); | ||
| await extension.awaitMessage("port_ping_ponged_before_disconnect"); | ||
| await extension.awaitMessage("port_disconnected"); | ||
| // Upon unloading the extension, the extension tab is automatically removed. | ||
| await extension.unload(); | ||
| }); |
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