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test(void): run PGlite initdb once for the wrapper migration tests #432

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Merged
cpojer merged 1 commit into from
Oct 14, 2026
Merged

test(void): run PGlite initdb once for the wrapper migration tests #432

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18 changes: 15 additions & 3 deletions packages/void/test/unit/wrapper.test.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -20,7 +20,7 @@ import { PGlite } from '@electric-sql/pglite';
import { Miniflare, convertV4MiniflareOptions } from 'miniflare';
import { createServer as createPgServer } from 'pglite-server';
import { parseSync } from 'vite';
import { afterEach, describe, expect, it, vi } from 'vite-plus/test';
import { afterEach, beforeAll, describe, expect, it, vi } from 'vite-plus/test';
import {
cleanupWrapper,
needsWrapper,
Expand Down Expand Up @@ -504,6 +504,18 @@ describe('generated wrapper queue dispatch', () => {

describe('generateWrapper with migrations', () => {
const roots: Array<string> = [];
// Each new PGlite runs initdb, which can take seconds on CI. Run it once in this hook, with its
// own budget; each PostgreSQL test loads a fresh database from the initialized data directory.
let pgDataDir: Blob;
beforeAll(
async () => {
const pglite = new PGlite();
await pglite.waitReady;
pgDataDir = await pglite.dumpDataDir('none');
await pglite.close();
},
process.platform === 'win32' ? 30_000 : undefined,
);
afterEach(() => {
for (const root of roots.splice(0)) {
rmSync(root, { recursive: true, force: true });
Expand Down Expand Up @@ -754,7 +766,7 @@ describe('generateWrapper with migrations', () => {
migrationDialect: 'postgresql',
});

const pglite = new PGlite();
const pglite = new PGlite({ loadDataDir: pgDataDir });
// pglite-server does not wait for PGlite: a query that arrives during startup spins forever.
await pglite.waitReady;
const server = createPgServer(pglite);
Expand Down Expand Up @@ -894,7 +906,7 @@ export default async function () {
async function withPgUsers<T>(
run: (connectionString: string, connections: () => number) => Promise<T>,
): Promise<T> {
const pglite = new PGlite();
const pglite = new PGlite({ loadDataDir: pgDataDir });
await pglite.waitReady;
await pglite.exec(
"CREATE TABLE users (id serial PRIMARY KEY, name text NOT NULL); INSERT INTO users (name) VALUES ('alice');",
Expand Down
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