diff options
Diffstat (limited to 'remote/shared/listeners/test/browser/browser_ConsoleAPIListener_cached_messages.js')
-rw-r--r-- | remote/shared/listeners/test/browser/browser_ConsoleAPIListener_cached_messages.js | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/remote/shared/listeners/test/browser/browser_ConsoleAPIListener_cached_messages.js b/remote/shared/listeners/test/browser/browser_ConsoleAPIListener_cached_messages.js new file mode 100644 index 0000000000..dae35a0b9a --- /dev/null +++ b/remote/shared/listeners/test/browser/browser_ConsoleAPIListener_cached_messages.js @@ -0,0 +1,100 @@ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this file, + * You can obtain one at http://mozilla.org/MPL/2.0/. */ + +const TEST_PAGE = "https://example.com/document-builder.sjs?html=tab"; + +add_task(async function test_cached_messages() { + gBrowser.selectedTab = BrowserTestUtils.addTab(gBrowser, TEST_PAGE); + await BrowserTestUtils.browserLoaded(gBrowser.selectedBrowser); + + await SpecialPowers.spawn(gBrowser.selectedBrowser, [], async () => { + const innerWindowId = content.windowGlobalChild.innerWindowId; + const { ConsoleAPIListener } = ChromeUtils.importESModule( + "chrome://remote/content/shared/listeners/ConsoleAPIListener.sys.mjs" + ); + + info("Log two messages before starting the ConsoleAPIListener"); + content.console.log("message_1"); + content.console.log("message_2"); + + const listener = new ConsoleAPIListener(innerWindowId); + const messages = []; + + // We will keep the onMessage callback attached to the ConsoleAPIListener + // during the whole test to catch all the emitted events. + const onMessage = (evtName, message) => messages.push(message.arguments[0]); + + listener.on("message", onMessage); + listener.startListening(); + + info("Wait until the 2 cached messages have been emitted"); + await ContentTaskUtils.waitForCondition(() => messages.length == 2); + is(messages[0], "message_1"); + is(messages[1], "message_2"); + + info("Stop listening and log another message"); + listener.stopListening(); + content.backup = { listener, messages, onMessage }; + }); + + // Force a GC to check that old cached messages which have been garbage + // collected are not re-displayed. + await doGC(); + + await SpecialPowers.spawn(gBrowser.selectedBrowser, [], async () => { + const { listener, messages, onMessage } = content.backup; + content.console.log("message_3"); + + info("Start listening again and check the previous message is emitted"); + listener.startListening(); + await ContentTaskUtils.waitForCondition(() => messages.length == 3); + is(messages[2], "message_3"); + + info("Log another message and wait until it is emitted"); + content.console.log("message_4"); + await ContentTaskUtils.waitForCondition(() => messages.length == 4); + is(messages[3], "message_4"); + + listener.off("message", onMessage); + listener.destroy(); + + is(messages.length, 4, "Received 4 messages in total"); + }); + + info("Reload the current tab and check only new messages are emitted"); + await BrowserTestUtils.reloadTab(gBrowser.selectedTab); + + await SpecialPowers.spawn(gBrowser.selectedBrowser, [], async () => { + const innerWindowId = content.windowGlobalChild.innerWindowId; + const { ConsoleAPIListener } = ChromeUtils.importESModule( + "chrome://remote/content/shared/listeners/ConsoleAPIListener.sys.mjs" + ); + + info("Log a message before creating the ConsoleAPIListener"); + content.console.log("new_message_1"); + + const listener = new ConsoleAPIListener(innerWindowId); + const newMessages = []; + const onMessage = (evtName, message) => + newMessages.push(message.arguments[0]); + listener.on("message", onMessage); + + info("Start listening and wait for the cached message"); + listener.startListening(); + await ContentTaskUtils.waitForCondition(() => newMessages.length == 1); + is(newMessages[0], "new_message_1"); + + info("Log another message and wait until it is emitted"); + content.console.log("new_message_2"); + await ContentTaskUtils.waitForCondition(() => newMessages.length == 2); + is(newMessages[1], "new_message_2"); + + listener.off("message", onMessage); + listener.destroy(); + + is(newMessages.length, 2, "Received 2 messages in total"); + }); + + gBrowser.removeTab(gBrowser.selectedTab); +}); |