slonik/dist/connectionMethods/maybeOneFirst.test.js

A Node.js PostgreSQL client with strict types, detailed logging and assertions.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const createPool_1 = require("../factories/createPool");
const createTestRunner_1 = require("../helpers.test/createTestRunner");
const errors_1 = require("@slonik/errors");
const pg_driver_1 = require("@slonik/pg-driver");
const sql_tag_1 = require("@slonik/sql-tag");
const driverFactory = (0, pg_driver_1.createPgDriverFactory)();
const { test } = (0, createTestRunner_1.createTestRunner)(driverFactory, 'pg');
const sql = (0, sql_tag_1.createSqlTag)();
test('returns the first row', async (t) => {
    const pool = await (0, createPool_1.createPool)(t.context.dsn, {
        driverFactory,
    });
    const result = await pool.maybeOneFirst(sql.unsafe `
    SELECT *
    FROM (VALUES (1)) as t(id)
  `);
    t.is(result, 1);
});
test('returns null if no results', async (t) => {
    const pool = await (0, createPool_1.createPool)(t.context.dsn, {
        driverFactory,
    });
    const result = await pool.maybeOneFirst(sql.unsafe `
    SELECT *
    FROM (VALUES (1)) as t(id)
    WHERE false
  `);
    t.is(result, null);
});
test('throws an error if more than one row is returned', async (t) => {
    const pool = await (0, createPool_1.createPool)(t.context.dsn, {
        driverFactory,
    });
    const error = await t.throwsAsync(pool.maybeOneFirst(sql.unsafe `
      SELECT *
      FROM (VALUES (1), (2)) as t(id)
    `));
    t.true(error instanceof errors_1.DataIntegrityError);
});
test('throws an error if more than one column is returned', async (t) => {
    const pool = await (0, createPool_1.createPool)(t.context.dsn, {
        driverFactory,
    });
    const error = await t.throwsAsync(pool.maybeOneFirst(sql.unsafe `
      SELECT *
      FROM (VALUES (1, 'foo')) as t(id, name)
    `));
    t.true(error instanceof errors_1.DataIntegrityError);
});
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