root
27 lines
1.3 KiB
TypeScript
27 lines
1.3 KiB
TypeScript
import assert from "node:assert/strict";
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import { EventEmitter } from "node:events";
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import { test } from "bun:test";
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import { subscribeWorkbenchProjectionCommits, WORKBENCH_PROJECTION_CHANNEL } from "./runtime-store-postgres-notify.ts";
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test("Postgres LISTEN fans committed projection scope out and releases its dedicated connection", async () => {
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const queries = [];
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let released = 0;
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const client = new EventEmitter();
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client.query = async (sql) => { queries.push(sql); return { rows: [] }; };
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client.release = () => { released += 1; };
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const pool = { async connect() { return client; } };
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const store = { async getQueryClient() { return pool; }, logger: null };
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const signals = [];
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const unsubscribe = await subscribeWorkbenchProjectionCommits(store, (signal) => signals.push(signal));
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assert.deepEqual(queries, [`LISTEN ${WORKBENCH_PROJECTION_CHANNEL}`]);
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client.emit("notification", { channel: WORKBENCH_PROJECTION_CHANNEL, payload: JSON.stringify({ sessionId: "ses_notify", traceId: "trc_notify", outboxSeq: 12 }) });
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assert.deepEqual(signals, [{ sessionId: "ses_notify", traceId: "trc_notify", outboxSeq: 12, valuesRedacted: true }]);
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await unsubscribe();
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assert.equal(queries.at(-1), `UNLISTEN ${WORKBENCH_PROJECTION_CHANNEL}`);
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assert.equal(released, 1);
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});
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