import assert from "node:assert/strict";
import { readFileSync } from "node:fs";
import test from "node:test";
import { fileURLToPath } from "node:url";

const fixtureSource = readFileSync(
  fileURLToPath(new URL("./helpers/postgres-fixture.ts", import.meta.url)),
  "utf8",
);

test("postgres fixtures cap concurrent compose networks so Docker address pools cannot be exhausted", () => {
  assert.match(fixtureSource, /JYOTISHA_POSTGRES_MAX_FIXTURES/);
  assert.match(fixtureSource, /DEFAULT_MAX_CONCURRENT_POSTGRES_FIXTURES = 2/);
  assert.match(fixtureSource, /function acquireFixtureSlot\(/);
  assert.match(fixtureSource, /process\.kill\(\s*pid,\s*0\s*\)/);
  assert.match(
    fixtureSource,
    /export function startPostgresFixture\(\)[\s\S]*acquireFixtureSlot\(\)/,
  );
  assert.match(
    fixtureSource,
    /timed out waiting for a PostgreSQL fixture slot/,
  );
});

test("postgres fixture start failure and stop both release the compose-network slot", () => {
  assert.match(
    fixtureSource,
    /catch \(error\) \{[\s\S]*releasePort\(portReservation\)[\s\S]*slot\.release\(\)/,
  );
  assert.match(
    fixtureSource,
    /stop\(\) \{[\s\S]*releasePort\(portReservation\)[\s\S]*slot\.release\(\)/,
  );
});