Source code

Revision control

Copy as Markdown

Other Tools

Test Info: Warnings

/* Any copyright is dedicated to the Public Domain.
"use strict";
const {
STUBS_UPDATE_ENV,
createCommandsForTab,
getCleanedPacket,
getSerializedPacket,
getStubFile,
writeStubsToFile,
} = require(`${CHROME_URL_ROOT}stub-generator-helpers`);
const TEST_URI =
const STUB_FILE = "pageError.js";
add_task(async function () {
await pushPref("javascript.options.asyncstack_capture_debuggee_only", false);
const isStubsUpdate = Services.env.get(STUBS_UPDATE_ENV) == "true";
info(`${isStubsUpdate ? "Update" : "Check"} ${STUB_FILE}`);
const generatedStubs = await generatePageErrorStubs();
if (isStubsUpdate) {
await writeStubsToFile(STUB_FILE, generatedStubs);
ok(true, `${STUB_FILE} was updated`);
return;
}
const existingStubs = getStubFile(STUB_FILE);
const FAILURE_MSG =
"The pageError stubs file needs to be updated by running `" +
`mach test ${getCurrentTestFilePath()} --headless --setenv WEBCONSOLE_STUBS_UPDATE=true` +
"`";
if (generatedStubs.size !== existingStubs.rawPackets.size) {
ok(false, FAILURE_MSG);
return;
}
let failed = false;
for (const [key, packet] of generatedStubs) {
const packetStr = getSerializedPacket(packet, {
sortKeys: true,
replaceActorIds: true,
});
const existingPacketStr = getSerializedPacket(
existingStubs.rawPackets.get(key),
{ sortKeys: true, replaceActorIds: true }
);
is(packetStr, existingPacketStr, `"${key}" packet has expected value`);
failed = failed || packetStr !== existingPacketStr;
}
if (failed) {
ok(false, FAILURE_MSG);
} else {
ok(true, "Stubs are up to date");
}
});
async function generatePageErrorStubs() {
const stubs = new Map();
const tab = await addTab(TEST_URI);
const commands = await createCommandsForTab(tab);
await commands.targetCommand.startListening();
const resourceCommand = commands.resourceCommand;
// Ensure waiting for sources in order to populate message.sourceId correctly.
await resourceCommand.watchResources([resourceCommand.TYPES.SOURCE], {
onAvailable() {},
});
// The resource-watcher only supports a single call to watch/unwatch per
// instance, so we attach a unique watch callback, which will forward the
// resource to `handleErrorMessage`, dynamically updated for each command.
let handleErrorMessage = function () {};
const onErrorMessageAvailable = resources => {
for (const resource of resources) {
handleErrorMessage(resource);
}
};
await resourceCommand.watchResources([resourceCommand.TYPES.ERROR_MESSAGE], {
onAvailable: onErrorMessageAvailable,
});
for (const [key, code] of getCommands()) {
const onPageError = new Promise(resolve => {
handleErrorMessage = packet => resolve(packet);
});
// On e10s, the exception is triggered in child process
// and is ignored by test harness
// expectUncaughtException should be called for each uncaught exception.
if (!Services.appinfo.browserTabsRemoteAutostart) {
expectUncaughtException();
}
// Note: This needs to use ContentTask rather than SpecialPowers.spawn
// because the latter includes cross-process stack information.
await ContentTask.spawn(gBrowser.selectedBrowser, code, function (subCode) {
const script = content.document.createElement("script");
script.append(content.document.createTextNode(subCode));
content.document.body.append(script);
script.remove();
});
const packet = await onPageError;
stubs.set(key, getCleanedPacket(key, packet));
}
return stubs;
}
function getCommands() {
const pageError = new Map();
pageError.set(
"ReferenceError: asdf is not defined",
`
function bar() {
asdf()
}
function foo() {
bar()
}
foo()
`
);
pageError.set(
"TypeError longString message",
`throw new Error("Long error ".repeat(10000))`
);
return pageError;
}