File size: 2,359 Bytes
96e86e5 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 | import fs from "node:fs/promises";
import os from "node:os";
import path from "node:path";
import {
applyPendingMigrations,
ensurePostgresDatabase,
} from "./client.js";
import {
getAvailablePort,
prepareEmbeddedPostgresTestSupport,
readCachedEmbeddedPostgresTestSupport,
removeDataDirWithRetries,
startManagedEmbeddedPostgres,
type EmbeddedPostgresTestSupport,
} from "./embedded-postgres-manager.js";
export type EmbeddedPostgresTestDatabase = {
connectionString: string;
cleanup(): Promise<void>;
};
export type { EmbeddedPostgresTestSupport } from "./embedded-postgres-manager.js";
let embeddedPostgresSupportPromise: Promise<EmbeddedPostgresTestSupport> | null = null;
function formatEmbeddedPostgresError(error: unknown): string {
if (error instanceof Error && error.message.length > 0) return error.message;
if (typeof error === "string" && error.length > 0) return error;
return "embedded Postgres startup failed";
}
export async function getEmbeddedPostgresTestSupport(): Promise<EmbeddedPostgresTestSupport> {
if (!embeddedPostgresSupportPromise) {
embeddedPostgresSupportPromise = (async () => {
const cached = await readCachedEmbeddedPostgresTestSupport();
return cached?.supported ? cached : await prepareEmbeddedPostgresTestSupport();
})();
}
return await embeddedPostgresSupportPromise;
}
export async function startEmbeddedPostgresTestDatabase(
tempDirPrefix: string,
): Promise<EmbeddedPostgresTestDatabase> {
const dataDir = await fs.mkdtemp(path.join(os.tmpdir(), tempDirPrefix));
const preferredPort = await getAvailablePort();
try {
const handle = await startManagedEmbeddedPostgres({
dataDir,
preferredPort,
registerTestInstance: true,
});
await ensurePostgresDatabase(handle.adminConnectionString, "paperclip");
const connectionString = handle.connectionStringFor("paperclip");
await applyPendingMigrations(connectionString);
return {
connectionString,
cleanup: async () => {
await handle.stop().catch(() => undefined);
await removeDataDirWithRetries(dataDir);
},
};
} catch (error) {
await removeDataDirWithRetries(dataDir).catch(() => undefined);
throw new Error(
`Failed to start embedded PostgreSQL test database: ${formatEmbeddedPostgresError(error)}`,
);
}
}
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