Lean Mapper entity testing

leanmapper-entity-test.php

<?php
// LeanMapper 3.4.2
require __DIR__ . '/vendor/autoload.php';


class AppMapper extends \LeanMapper\DefaultMapper
{
    protected $defaultEntityNamespace = '';
}


/**
 * @property int $id
 * @property string $name
 * @property Book[] $books m:belongsToMany
 */
class Author extends \LeanMapper\Entity
{
}


/**
 * @property int $id
 * @property Author $author m:hasOne
 * @property string $name
 */
class Book extends \LeanMapper\Entity
{
}


$connection = new LeanMapper\Connection([
    'driver' => 'sqlite3',
    'database' => ':memory:',
    'lazy' => TRUE,
]);
$mapper = new AppMapper;
$entityFactory = new LeanMapper\DefaultEntityFactory;


// WRONG WAY
// $author = new Author;
// $author->name = 'John Doe';
// $author->makeAlive($entityFactory, $connection, $mapper);
// $author->attach(1);

// $author->books = []; // error => Cannot write to read-only property 'books' in entity Author


// RIGHT WAY
$authors = LeanMapper\Result::createInstance([
    [
        'id' => 1,
        'name' => 'John Doe',
    ],
], 'author', $connection, $mapper);

$books = LeanMapper\Result::createInstance([
    [
        'id' => 1,
        'author_id' => 1,
        'name' => 'Book A',
    ],
    [
        'id' => 2,
        'author_id' => 2,
        'name' => 'Book B',
    ],
    [
        'id' => 3,
        'author_id' => 1,
        'name' => 'Book C',
    ],
], 'book', $connection, $mapper);

$authors->setReferencingResult($books, 'book', 'author_id');
$books->setReferencedResult($authors, 'author', 'author_id');

$author = new Author($authors->getRow(1));
$author->makeAlive($entityFactory);

// prints: 'Book A', 'Book C'
foreach ($author->books as $book) {
    var_dump($book->name);
    var_dump($book->author->name);
}