packages/ztd-query-pdo-adapter/tests/Integration/PostgreSql/SelectRecursiveCteTest.php

1<?php
2
3declare(strict_types=1);
4
5namespace Tests\Integration\PostgreSql;
6
7use Container\Endpoint;
8use Container\PostgreSqlRelease;
9use PDO;
10use PHPUnit\Framework\Attributes\CoversNothing;
11use PHPUnit\Framework\Attributes\Large;
12use PHPUnit\Framework\TestCase;
13use ZtdQuery\Adapter\Pdo\ZtdPdo;
14
15/**
16 * @requires extension pdo_pgsql
17 * @group integration
18 * @group postgres
19 *
20 * @phpstan-type Row array<string, mixed>
21 */
22#[CoversNothing]
23#[Large]
24final class SelectRecursiveCteTest extends TestCase
25{
26    public function testRecursiveCte(): void
27    {
28        $endpoint = \Testcontainers\Testcontainers::run(PostgreSqlRelease::fromEnvironment())->getData(Endpoint::class);
29        /** @var PDO $rawPdo */
30        $rawPdo = new PDO(
31            $endpoint->dsn(),
32            $endpoint->username,
33            $endpoint->password,
34            [PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION, PDO::ATTR_DEFAULT_FETCH_MODE => PDO::FETCH_ASSOC],
35        );
36
37        $schemaName = 'ztd_' . bin2hex(random_bytes(8));
38        $rawPdo->exec(sprintf('CREATE SCHEMA "%s"', $schemaName));
39        $rawPdo->exec(sprintf('SET search_path TO "%s"', $schemaName));
40
41        $table = 'prefix_' . bin2hex(random_bytes(8));
42
43        try {
44            $rawPdo->exec("CREATE TABLE {$table} (id INTEGER PRIMARY KEY, parent_id INTEGER, name TEXT NOT NULL)");
45            $rawPdo->exec("INSERT INTO {$table} (id, parent_id, name) VALUES (1, NULL, 'Root'), (2, 1, 'Child1'), (3, 1, 'Child2'), (4, 2, 'Grandchild1')");
46
47            $ztdPdo = ZtdPdo::fromPdo($rawPdo);
48
49            $ztdPdo->exec("INSERT INTO {$table} (id, parent_id, name) VALUES (1, NULL, 'Root'), (2, 1, 'Child1'), (3, 1, 'Child2'), (4, 2, 'Grandchild1')");
50
51            $sql = 'WITH RECURSIVE tree AS ('
52                . "SELECT id, parent_id, name, 0 AS depth FROM {$table} WHERE parent_id IS NULL "
53                . 'UNION ALL '
54                . "SELECT c.id, c.parent_id, c.name, t.depth + 1 FROM {$table} c INNER JOIN tree t ON c.parent_id = t.id"
55                . ') SELECT * FROM tree ORDER BY id';
56
57            $stmt = $rawPdo->query($sql);
58            self::assertNotFalse($stmt);
59            /** @var list<Row> */
60            $rawRows = $stmt->fetchAll();
61
62            $stmt = $ztdPdo->query($sql);
63            self::assertNotFalse($stmt);
64            /** @var list<Row> */
65            $ztdRows = $stmt->fetchAll();
66
67            self::assertSame($rawRows, $ztdRows);
68        } finally {
69            $rawPdo->exec(sprintf('DROP SCHEMA IF EXISTS "%s" CASCADE', $schemaName));
70        }
71    }
72}
73