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Diffstat (limited to '')
-rw-r--r-- | remote/shared/listeners/test/browser/browser_ConsoleListener.js | 148 |
1 files changed, 148 insertions, 0 deletions
diff --git a/remote/shared/listeners/test/browser/browser_ConsoleListener.js b/remote/shared/listeners/test/browser/browser_ConsoleListener.js new file mode 100644 index 0000000000..41936a6c0d --- /dev/null +++ b/remote/shared/listeners/test/browser/browser_ConsoleListener.js @@ -0,0 +1,148 @@ +/* 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/. */ + +add_task(async function test_message_properties() { + const listenerId = await listenToConsoleMessage("error"); + await logConsoleMessage({ message: "foo" }); + const { level, message, timeStamp, stack } = await getConsoleMessage( + listenerId + ); + + is(level, "error", "Received expected log level"); + is(message, "foo", "Received expected log message"); + // Services.console.logMessage() doesn't include a stack. + is(stack, undefined, "No stack present"); + is(typeof timeStamp, "number", "timestamp is of expected type number"); + + // Clear the console to avoid side effects with other tests in this file. + await clearConsole(); +}); + +add_task(async function test_level() { + for (const level of ["error", "info", "warn"]) { + const listenerId = await listenToConsoleMessage(level); + await logConsoleMessage({ message: "foo", level }); + const message = await getConsoleMessage(listenerId); + + is(message.level, level, "Received expected log level"); + } + + // Clear the console to avoid side effects with other tests in this file. + await clearConsole(); +}); + +add_task(async function test_stacktrace() { + const script = ` + function foo() { throw new Error("cheese"); } + function bar() { foo(); } + bar(); + `; + + const listenerId = await listenToConsoleMessage("error"); + await createScriptNode(script); + const { message, level, stacktrace } = await getConsoleMessage(listenerId); + is(level, "error", "Received expected log level"); + is(message, "Error: cheese", "Received expected log message"); + ok(Array.isArray(stacktrace), "frames is of expected type Array"); + Assert.greaterOrEqual(stacktrace.length, 4, "Got at least 4 stack frames"); + + // First 3 stack frames are from the injected script and one more frame comes + // from head.js (chrome scope) where we inject the script. + checkStackFrame(stacktrace[0], "about:blank", "foo", 2, 28); + checkStackFrame(stacktrace[1], "about:blank", "bar", 3, 22); + checkStackFrame(stacktrace[2], "about:blank", "", 4, 5); + checkStackFrame( + stacktrace[3], + "chrome://mochitests/content/browser/remote/shared/listeners/test/browser/head.js", + "", + 34, + 29 + ); + + // Clear the console to avoid side effects with other tests in this file. + await clearConsole(); +}); + +function logConsoleMessage(options = {}) { + info(`Log console message ${options.message}`); + return SpecialPowers.spawn(gBrowser.selectedBrowser, [options], _options => { + const { level = "error" } = _options; + + const levelToFlags = { + error: Ci.nsIScriptError.errorFlag, + info: Ci.nsIScriptError.infoFlag, + warn: Ci.nsIScriptError.warningFlag, + }; + + const scriptError = Cc["@mozilla.org/scripterror;1"].createInstance( + Ci.nsIScriptError + ); + scriptError.initWithWindowID( + _options.message, + _options.sourceName || "sourceName", + null, + _options.lineNumber || 0, + _options.columnNumber || 0, + levelToFlags[level], + _options.category || "javascript", + content.windowGlobalChild.innerWindowId + ); + + Services.console.logMessage(scriptError); + }); +} + +function listenToConsoleMessage(level) { + info("Listen to a console message in content"); + return SpecialPowers.spawn( + gBrowser.selectedBrowser, + [level], + async _level => { + const innerWindowId = content.windowGlobalChild.innerWindowId; + const { ConsoleListener } = ChromeUtils.importESModule( + "chrome://remote/content/shared/listeners/ConsoleListener.sys.mjs" + ); + const consoleListener = new ConsoleListener(innerWindowId); + const onMessage = consoleListener.once(_level); + consoleListener.startListening(); + + const listenerId = Math.random(); + content[listenerId] = { consoleListener, onMessage }; + return listenerId; + } + ); +} + +function getConsoleMessage(listenerId) { + info("Retrieve the message event captured for listener: " + listenerId); + return SpecialPowers.spawn( + gBrowser.selectedBrowser, + [listenerId], + async _listenerId => { + const { consoleListener, onMessage } = content[_listenerId]; + const message = await onMessage; + + consoleListener.destroy(); + + return message; + } + ); +} + +function checkStackFrame( + frame, + filename, + functionName, + lineNumber, + columnNumber +) { + is(frame.filename, filename, "Received expected filename for frame"); + is( + frame.functionName, + functionName, + "Received expected function name for frame" + ); + is(frame.lineNumber, lineNumber, "Received expected line for frame"); + is(frame.columnNumber, columnNumber, "Received expected column for frame"); +} |