yonluandClaude Opus 5
a4ada725a2
v2 installed two globals and the fake replaced both. v3 has neither — the runtime is an npm module and the generated bindings call into it. What it has instead is better: setTransport() is a public seam for replacing the IPC transport, and *every* runtime call goes through it, so the fake is smaller than v2's and covers strictly more. The event dispatcher is no longer mirrored at all. v2's fake reimplemented desktop/events.js — the listener list, maxCallbacks expiry, the reverse iteration — because there was no way to reach the real one; emit() now goes through window._wails.dispatchWailsEvent, which is the entry point the backend's own push uses. What is mirrored instead is one line of Go: how EventManager.Emit packs variadic data into an event's single data field. Registration and unregistration are the public Events API. The one non-public thing left is the listener registry, aliased in vitest.config.mts and used only by listenerNames() — a test asks whether importing a store subscribed it, which nothing public can answer. A binding carries a method ID, not a name, so the fake derives the ID -> path map from the generated tree: FNV-1a over the FQN, with the Go type's casing recovered from each package's index.ts, which is the only place it survives (library/library.ts cannot tell you it is FrontendUtil). The map has to be complete rather than lazy because 21 assertions read calls() with no argument and compare the whole list. Two things had to move that are not the fake. fixture() drains microtasks between two renders: a v3 binding settles several hops later than v2's, and tests were already written as though fixture() meant "mounted and loaded". Microtasks and not a timer, which would hang under the suites that install fake ones. tracklist-store keeps its defaults on an empty answer instead of emptying the column list. GetTrackListColumns substitutes DefaultColumns only when the whole config section is missing; a section that exists with no columns returns nothing. Until now this was accidental — the binding was typed Column[], an absent answer arrived as undefined, and .map threw into the catch. 757 tests pass across all 63 files. They are run in batches: a single browser session dies partway through the 58 it queues, which reproduces unchanged at the pre-migration commit and is a resource limit on this machine rather than anything here. Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01UDCbcCZQepnpSQYJ6SxxZm
77 lines
2.9 KiB
TypeScript
77 lines
2.9 KiB
TypeScript
import path from 'path';
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import { playwright } from '@vitest/browser-playwright';
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import { defineConfig, mergeConfig } from 'vitest/config';
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import viteConfig from './vite.config.mts';
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// Visual regression is opt-in. `toMatchScreenshot` baselines are
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// sensitive to font hinting and GPU compositing, so a baseline taken on
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// one machine fails on another for reasons that have nothing to do with
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// the component. Behavioural assertions run everywhere; screenshots run
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// where the baselines were taken (`make ui-visual`, or CI's container).
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const screenshotsEnabled = process.env['YJ_VISUAL'] === '1';
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export default mergeConfig(
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viteConfig,
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defineConfig({
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test: {
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// The Playwright *runner* lives in e2e/, a separate package, so its
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// specs can never be picked up here and the two Playwright
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// versions cannot collide.
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include: ['test/**/*.test.ts'],
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setupFiles: ['./test/setup.ts'],
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globals: false,
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browser: {
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enabled: true,
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provider: playwright(),
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headless: true,
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// WebKit's Linux build wants Ubuntu libraries Arch does not
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// have, so it is a CI-only browser. See .planning/NOTES.md.
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instances: [{ browser: 'chromium' }],
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viewport: { width: 1280, height: 800 },
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screenshotFailures: false,
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expect: {
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toMatchScreenshot: {
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comparatorName: 'pixelmatch',
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comparatorOptions: { allowedMismatchedPixelRatio: 0.02 },
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},
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},
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},
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expect: { requireAssertions: true },
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env: { YJ_VISUAL: screenshotsEnabled ? '1' : '' },
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},
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resolve: {
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alias: {
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'@test': path.resolve(__dirname, 'test'),
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// The runtime's listener registry, which its package exports
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// map does not expose. wails-fake.ts needs it to answer "did
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// importing a store subscribe it"; see the note there.
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'@wailsio/listener': path.resolve(
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__dirname,
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'node_modules/@wailsio/runtime/dist/listener.js',
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),
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},
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},
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// Pre-bundle what the components pull in, or Vite discovers it
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// mid-run and reloads the page underneath a running test.
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optimizeDeps: {
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include: [
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'lit',
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'lit/decorators.js',
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'lit/directives/repeat.js',
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'@lit-labs/virtualizer',
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// Web Awesome components are deep imports, one per element;
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// the glob pre-bundles them all rather than discovering each
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// one the first time a component under test imports it.
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'@awesome.me/webawesome/dist/components/*/*.js',
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'@awesome.me/webawesome/dist/webawesome.js',
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// The runtime every generated binding imports. Left out, Vite
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// discovers it from the first binding module a suite touches
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// and reloads the page — which surfaces as several suites
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// failing to import at all while each passes on its own.
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'@wailsio/runtime',
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],
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},
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}),
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);
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