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test: containerized Firefox end-to-end harness (closes #184)
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Drives the real popup in a real Firefox with dist/firefox/ installed as an
unpacked MV2 temporary add-on, via geckodriver. Covers popup load, wallet
creation through the UI, and the Add Token screen. Outside make check, like
the Chrome suite.

Zero npm dependencies: tests/e2e/firefox/driver.js is a WebDriver client
over global fetch and child_process against geckodriver's HTTP API. The
Dockerfile pins the node base image, the Firefox 153.0.3 tarball and
geckodriver 0.36.0 by digest.

Errors are read from the privileged nsIConsoleService in Marionette's chrome
context, filtered to non-warning entries whose sourceName is the extension
origin. BiDi log.entryAdded delivers nothing at all for extension pages, so
a Playwright-BiDi or Puppeteer-BiDi harness would see nothing and report
success; the code says so where someone would be tempted to simplify it.
Errors logged during add-on install and background startup are drained and
folded into step 1, never discarded: a throw at the top of
src/background/index.js kills the background page and fails the run.
Content-script capture is left as unverified, because --network none leaves
no http:// page for a content script to be injected into.

Each drain reads the console and clears it in ONE chrome script. Splitting
the read from Services.console.reset() left a window between the two round
trips in which an error was logged into a buffer about to be discarded, and
destroyed unread rather than deferred to the next drain; a probe of 100
sequenced throws at 20ms spacing lost one. With the drain atomic the same
probe accounts for every throw that falls inside the observed window, on two
consecutive runs.

No driver layer is shared with the Chrome suite and the three UI steps are
written twice deliberately: the two backends have no common substrate, and
three steps do not pay for a shim.

Two limits are documented rather than papered over, with measurements rather
than absolutes. Error capture is poll-based, so an error is attributed to a
step and not to a moment within it; the drained window ends ~1.5s after the
last step returns (a 500ms settle, a 1000ms sleep and two drain round trips),
and that cut-off jitters run to run — three runs of throws at fixed offsets
reported everything up to +1.5s and one of the three also reported +1.6s.
Inside the window the atomic drain leaves no race, but nsIConsoleService
keeps a ring buffer of only 250 messages, so more than 250 console messages
between two drains evicts unread errors: 400 throws inside one step report
as exactly the newest 250, on three runs, while occupancy in a clean run
peaks at 4 of 250 at the install drain and 0 at every later drain. Nothing is
stubbed; the container runs with --network none instead, which proves no
request escaped, cannot report which were attempted, and runs only the
failure branches of network-dependent code.
This commit is contained in:
clawbot
2026-08-12 09:56:55 +00:00
parent 918e581ef3
commit 5e00956236
7 changed files with 993 additions and 16 deletions
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tests/e2e/firefox/run.js Normal file
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// Firefox end-to-end suite: drives the real popup in a real Firefox with
// the unpacked MV2 build installed as a temporary add-on, and fails the run
// on any uncaught error coming from an extension source.
//
// Run via script/test-e2e-firefox, which builds dist/firefox/ and the pinned
// container. The extension directory is the one argument.
//
// node tests/e2e/firefox/run.js [dist/firefox]
//
// Deliberately not part of script/check, and deliberately not named
// *.test.js: REPO_POLICIES.md caps make test at 20 seconds and a browser
// suite does not fit.
//
// This shares no driver layer with the Chrome suite in tests/e2e/, and the
// UI steps below are written twice on purpose. Chrome runs on Playwright,
// which cannot see extension-page errors in Firefox at all (see the BiDi
// note in driver.js), so the two backends have no common substrate to
// abstract over. Three duplicated steps do not pay for a shim; revisit if
// this suite grows to where they do.
//
// LIMITATION, and the difference from the Chrome suite worth knowing: error
// capture here is POLL-BASED, not event-streamed. The console service is
// drained at each step boundary, so an error is attributed to the step it
// was drained after, never to a moment within that step. What is drained
// covers the whole run from add-on install to the last drain below, which
// lands ~1.5s after the last step returns (500ms settle + 1000ms sleep +
// two drain round trips). That cut-off jitters run to run: three runs of
// throws at fixed offsets reported everything to +1.5s and one of them
// also +1.6s, and past it the browser is torn down first. Inside the
// window there is no race — the drain reads and clears in one chrome
// round trip — but there is a capacity limit: nsIConsoleService keeps
// only the newest 250 messages, so 400 throws in one step report as
// exactly 250. A clean run peaks at 4 of 250, so that is headroom today
// and not a guarantee for a step that logs heavily. The Chrome harness
// receives pageerror events as they happen and can say more. Do not read
// a green Firefox run as the same claim.
"use strict";
const fs = require("fs");
const path = require("path");
const { ConsoleErrors, EXTENSION_ORIGIN, start, sleep } = require("./driver");
const REPO_ROOT = path.resolve(__dirname, "..", "..", "..");
const POPUP_URL = EXTENSION_ORIGIN + "/src/popup/index.html";
const PASSWORD = "e2e-harness-password";
// Firefox installs the add-on and starts its background page asynchronously
// after the install call returns. Nothing observable marks the end of that,
// so the popup's own first render is the signal we wait on instead.
const STEP_TIMEOUT_MS = 120000;
const steps = [];
function step(name, fn) {
steps.push({ name, fn });
}
function assert(cond, message) {
if (!cond) throw new Error(message);
}
function withTimeout(promise, name) {
let timer;
const timeout = new Promise((_, reject) => {
timer = setTimeout(
() =>
reject(
new Error(
name + " timed out after " + STEP_TIMEOUT_MS + "ms",
),
),
STEP_TIMEOUT_MS,
);
});
return Promise.race([promise, timeout]).finally(() => clearTimeout(timer));
}
// ------------------------------------------------------------- steps
step("popup loads and reaches the welcome view", async (env) => {
const d = env.driver;
await d.navigate(POPUP_URL);
await d.waitVisible("#view-welcome", STEP_TIMEOUT_MS);
const title = await d.title();
assert(title === "AutistMask", "unexpected popup title: " + title);
});
step("wallet creation through the UI reaches the main view", async (env) => {
const d = env.driver;
await d.click("#btn-welcome-add");
await d.waitVisible("#view-add-wallet");
await d.click("#btn-generate-phrase");
await d.waitFor(
"a generated recovery phrase of at least 12 words",
`const el = document.getElementById("wallet-mnemonic");
return !!el && el.value.trim().split(/\\s+/).length >= 12;`,
);
env.phrase = (await d.value("#wallet-mnemonic")).trim();
await d.fill("#add-wallet-password", PASSWORD);
await d.fill("#add-wallet-password-confirm", PASSWORD);
await d.click("#btn-add-wallet-confirm");
// Argon2id under libsodium, for real, so this is the slow one.
await d.waitVisible("#view-main", STEP_TIMEOUT_MS);
assert(
env.phrase.split(/\s+/).length >= 12,
"wallet creation did not yield a recovery phrase",
);
const addrs = await d.count("#wallet-list .btn-addr-info");
assert(addrs > 0, "no addresses rendered in the wallet list");
});
step("add token screen opens from address detail", async (env) => {
const d = env.driver;
if (!(await d.isVisible("#view-address"))) {
await d.waitVisible("#view-main");
await d.click("#wallet-list .btn-addr-info");
}
await d.waitVisible("#view-address");
await d.click("#btn-add-token");
// Reported with the view it actually stayed on: a screen that does
// not change is the symptom a missing import produces, and naming
// the screen is what makes that diagnosable.
try {
await d.waitVisible("#view-add-token");
} catch (e) {
throw new Error(
e.message + "; current view is " + (await d.currentView()),
);
}
const picks = await d.count("#common-token-list .common-token");
assert(picks > 0, "no common-token quick-pick buttons rendered");
});
// ------------------------------------------------------------- runner
function formatError(e) {
return (
e.msg + " (" + e.src + ":" + e.line + (e.cat ? ", " + e.cat : "") + ")"
);
}
async function main() {
// A suite that runs nothing must never report success.
if (steps.length === 0) {
console.log("1..0");
console.log("# FAILED: the Firefox e2e suite registered no steps");
process.exitCode = 1;
return;
}
const extDir = path.resolve(REPO_ROOT, process.argv[2] || "dist/firefox");
if (!fs.existsSync(path.join(extDir, "manifest.json"))) {
console.error(
"e2e-firefox: no unpacked build at " +
extDir +
" — run make build first",
);
process.exitCode = 1;
return;
}
let driver;
try {
driver = await start();
await driver.newSession();
await driver.installAddon(extDir);
} catch (e) {
// A browser we cannot start is a failure of the suite, not an
// absent suite. Never skip and report success.
console.error("e2e-firefox: cannot run the suite: " + e.message);
if (driver) await driver.quit().catch(() => {});
process.exitCode = 1;
return;
}
const errors = new ConsoleErrors(driver, EXTENSION_ORIGIN);
const env = { driver, phrase: null };
console.log("# extension origin: " + EXTENSION_ORIGIN);
console.log("1.." + steps.length);
let failed = 0;
let n = 0;
try {
// Drain, never reset: anything the add-on logged while installing
// and starting its background page has no earlier step to belong
// to, so it is folded into step 1 below. Services.console.reset()
// here would DELETE it instead, and a background page that throws
// at the top of the file — a dead background page — would then
// produce a fully green run.
let installErrors = [];
let installFailure = null;
try {
installErrors = await errors.take();
} catch (e) {
installFailure =
"could not read the console after install: " + e.message;
}
for (const s of steps) {
n += 1;
let failure = null;
try {
await withTimeout(s.fn(env), s.name);
} catch (e) {
failure = e.message;
}
// Let anything the step provoked reach the console service
// before draining it. Without this a failure logged on the
// way out of the step lands in the next step's drain, which
// still fails the run but blames the wrong step.
await sleep(500);
let found = [];
try {
found = await errors.take();
} catch (e) {
failure = failure || "could not read the console: " + e.message;
}
if (n === 1) {
found = installErrors.concat(found);
installErrors = [];
failure = failure || installFailure;
installFailure = null;
}
// Any uncaught error from an extension source fails the step
// that provoked it, whether or not its assertions passed.
if (!failure && found.length > 0) {
failure =
n === 1
? "uncaught extension errors during add-on install, " +
"background startup or this step"
: "uncaught extension errors during this step";
}
if (failure) {
failed += 1;
console.log("not ok " + n + " - " + s.name);
console.log(" " + failure);
for (const e of found) console.log(" " + formatError(e));
} else {
console.log("ok " + n + " - " + s.name);
}
}
// The tail: errors logged after the last step returned cannot be
// blamed on any one step, but they are still reported and they
// still fail the run.
await sleep(1000);
const trailing = await errors.take();
console.log(
"# " +
(steps.length - failed) +
"/" +
steps.length +
" steps passed",
);
if (trailing.length > 0) {
console.log(
"# " +
trailing.length +
" extension error(s) recorded after the last step, not " +
"attributable to any single step:",
);
for (const e of trailing) console.log("# " + formatError(e));
}
if (failed > 0 || trailing.length > 0) {
console.log("# FAILED");
process.exitCode = 1;
}
} finally {
await driver.quit().catch(() => {});
}
}
main().catch((e) => {
console.error("e2e-firefox: " + (e && e.stack ? e.stack : e));
process.exitCode = 1;
});