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test: skip embedded postgres suites when initdb is unavailable

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Co-Authored-By: Paperclip <noreply@paperclip.ing>
This commit is contained in:
dotta 2026-03-26 11:04:07 -05:00
parent 555f026c24
commit c916626cef
10 changed files with 547 additions and 458 deletions
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99
packages/db/src/client.test.ts
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@ -1,83 +1,24 @@
import { createHash } from "node:crypto";
import fs from "node:fs";
import net from "node:net";
import os from "node:os";
import path from "node:path";
import { afterEach, describe, expect, it } from "vitest";
import postgres from "postgres";
import {
applyPendingMigrations,
ensurePostgresDatabase,
inspectMigrations,
} from "./client.js";
import {
getEmbeddedPostgresTestSupport,
startEmbeddedPostgresTestDatabase,
} from "./test-embedded-postgres.js";
type EmbeddedPostgresInstance = {
initialise(): Promise<void>;
start(): Promise<void>;
stop(): Promise<void>;
};
type EmbeddedPostgresCtor = new (opts: {
databaseDir: string;
user: string;
password: string;
port: number;
persistent: boolean;
initdbFlags?: string[];
onLog?: (message: unknown) => void;
onError?: (message: unknown) => void;
}) => EmbeddedPostgresInstance;
const tempPaths: string[] = [];
const runningInstances: EmbeddedPostgresInstance[] = [];
async function getEmbeddedPostgresCtor(): Promise<EmbeddedPostgresCtor> {
const mod = await import("embedded-postgres");
return mod.default as EmbeddedPostgresCtor;
}
async function getAvailablePort(): Promise<number> {
return await new Promise((resolve, reject) => {
const server = net.createServer();
server.unref();
server.on("error", reject);
server.listen(0, "127.0.0.1", () => {
const address = server.address();
if (!address || typeof address === "string") {
server.close(() => reject(new Error("Failed to allocate test port")));
return;
}
const { port } = address;
server.close((error) => {
if (error) reject(error);
else resolve(port);
});
});
});
}
const cleanups: Array<() => Promise<void>> = [];
const embeddedPostgresSupport = await getEmbeddedPostgresTestSupport();
const describeEmbeddedPostgres = embeddedPostgresSupport.supported ? describe : describe.skip;
async function createTempDatabase(): Promise<string> {
const dataDir = fs.mkdtempSync(path.join(os.tmpdir(), "paperclip-db-client-"));
tempPaths.push(dataDir);
const port = await getAvailablePort();
const EmbeddedPostgres = await getEmbeddedPostgresCtor();
const instance = new EmbeddedPostgres({
databaseDir: dataDir,
user: "paperclip",
password: "paperclip",
port,
persistent: true,
initdbFlags: ["--encoding=UTF8", "--locale=C", "--lc-messages=C"],
onLog: () => {},
onError: () => {},
});
await instance.initialise();
await instance.start();
runningInstances.push(instance);
const adminUrl = `postgres://paperclip:paperclip@127.0.0.1:${port}/postgres`;
await ensurePostgresDatabase(adminUrl, "paperclip");
return `postgres://paperclip:paperclip@127.0.0.1:${port}/paperclip`;
const db = await startEmbeddedPostgresTestDatabase("paperclip-db-client-");
cleanups.push(db.cleanup);
return db.connectionString;
}
async function migrationHash(migrationFile: string): Promise<string> {
@ -89,19 +30,19 @@ async function migrationHash(migrationFile: string): Promise<string> {
}
afterEach(async () => {
while (runningInstances.length > 0) {
const instance = runningInstances.pop();
if (!instance) continue;
await instance.stop();
}
while (tempPaths.length > 0) {
const tempPath = tempPaths.pop();
if (!tempPath) continue;
fs.rmSync(tempPath, { recursive: true, force: true });
while (cleanups.length > 0) {
const cleanup = cleanups.pop();
await cleanup?.();
}
});
describe("applyPendingMigrations", () => {
if (!embeddedPostgresSupport.supported) {
console.warn(
`Skipping embedded Postgres migration tests on this host: ${embeddedPostgresSupport.reason ?? "unsupported environment"}`,
);
}
describeEmbeddedPostgres("applyPendingMigrations", () => {
it(
"applies an inserted earlier migration without replaying later legacy migrations",
async () => {