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yellowjacket/e2e/support/global-setup.ts
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feat(harness): agent-drivable dev harness and CI that gates
A coding agent could develop this repo's Go packages and could not
develop the application: every path to running YellowJacket ended in a
blocking GTK window, so 265 bound methods, 46 events, 33 component
directories and 13 stores had exactly one form of verification
available — `tsc --noEmit`.

The unlock is that `wails dev`'s dev server on :34115 serves the real
frontend with the real generated bindings against the same Go backend a
desktop window attaches to, so a plain Chromium under Xvfb gets a fully
functional app. Four test tiers now exist, cheapest first:

- `make ui-test` — 313 Vitest tests in a real browser in ~2 s, no app,
  no backend, no display. Works because `frontend/wailsjs/` is a pure
  passthrough to `window.go`/`window.runtime`, so faking just those two
  globals runs the real bindings and the real store code.
- `make test` — services in-process, asserting on the payload the
  frontend would receive, via a new `events.Emit` wrapper.
- `make dev-headless` + `playwright-cli` — the real app, driven
  interactively, with an event bridge on `window.__yjEvents` and a
  dev-only control surface at `/__test/`.
- `make e2e` — 19 of those flows frozen as Playwright specs.

`events.Emit(ctx, …)` replaces all 35 direct `runtime.EventsEmit` call
sites: wails' `getEvents` `log.Fatalf`s on any context without its
runtime, so those paths could not run under test and a background
worker could take the app down. Four packages had each hand-rolled the
same guard; nine more guarded on `ctx != nil`, which does not help.
`TestNoDirectRuntimeEmits` fails the build on a new one.

Fixtures are generated, not committed (`make testdata`), and seeds are
built by *running the app* — never by hand-writing config and DB rows,
which would be a second description of a valid YJ_HOME.

`.gitea/workflows/ci.yml` is the first workflow here that tests
anything; the other three only package, so `gitea_ci` reported only
packaging jobs and misled anyone asking whether a push was healthy.
Both jobs were prototyped to green in a bare ubuntu:24.04 container
before the YAML was written, which immediately caught `make lint`
linting three configurations that nothing builds: all three passes
omitted `webkit2_41`, so wails resolved webkit2gtk-4.0 — which Arch
still ships and Ubuntu 24.04 dropped.

Operational instructions live in `.pi/skills/yellowjacket-dev/`,
measured discoveries in `.planning/NOTES.md`, and architecture in
`CLAUDE.md` — split by tense, not by topic, because a topical split
gives every new fact two plausible homes. `make skill-check` fails a
commit if the skill cites a make target that does not exist.
2026-08-10 23:20:42 -04:00

63 lines
1.9 KiB
TypeScript

import type { FullConfig } from '@playwright/test';
/**
* Fail fast, and fail legibly.
*
* Without this the first spec dies on a connection refused deep inside
* a `page.goto`, which reads like a Playwright problem rather than "you
* forgot to start the app". Checking /__test/health also verifies the
* two things every spec below assumes: that the control surface is
* mounted (dev build + YJ_TESTCTL=1) and that the app is pointed at the
* seeded fixture library rather than someone's real collection.
*/
const HELP = `
The app is not running, or is not a seeded dev build. Start it with:
make testdata # once — generates the fixtures
make sandbox-seed NAME=default # once — builds a seed by running the app
make dev-headless SEED=default # starts in the background and returns
and stop it afterwards with 'make dev-stop'.
`;
export default async function globalSetup(config: FullConfig) {
const baseURL =
config.projects[0]?.use?.baseURL ?? 'http://localhost:34115';
let health: any;
try {
const res = await fetch(`${baseURL}/__test/health`, {
signal: AbortSignal.timeout(5_000),
});
if (!res.ok) throw new Error(`health returned ${res.status}`);
health = await res.json();
} catch (err) {
throw new Error(
`e2e: no healthy backend at ${baseURL} (${String(err)})\n${HELP}`,
);
}
if (!health.libraries?.length) {
throw new Error(
`e2e: backend has no library configured — specs would land on ` +
`the first-run wizard, which intercepts every pointer event.\n${HELP}`,
);
}
const tracks = health.counts?.tracks ?? 0;
if (tracks < 1) {
throw new Error(
`e2e: backend library is empty (${tracks} tracks).\n${HELP}`,
);
}
console.log(
`e2e: backend up — ${tracks} tracks in ` +
`${health.libraries.map((l: any) => l.name).join(', ')}`,
);
}