connection-parameter-tests.js

const helper = require('../test-helper')
const suite = new helper.Suite()
const { Client } = helper.pg

suite.test('it sends options', async () => {
  const client = new Client({
    options: '--default_transaction_isolation=serializable',
  })
  await client.connect()
  const { rows } = await client.query('SHOW default_transaction_isolation')
  console.log(rows)
  await client.end()
})