atk4\data\tests\JoinArrayTest::testJoinUpdate PHP Method

    public function testJoinUpdate()
    {
        $a = ['user' => [1 => ['id' => 1, 'name' => 'John', 'contact_id' => 1], 2 => ['id' => 2, 'name' => 'Peter', 'contact_id' => 1], 3 => ['id' => 3, 'name' => 'Joe', 'contact_id' => 2]], 'contact' => [1 => ['id' => 1, 'contact_phone' => '+123'], 2 => ['id' => 2, 'contact_phone' => '+321']]];
        $db = new Persistence_Array($a);
        $m_u = new Model($db, 'user');
        $m_u->addField('contact_id');
        $m_u->addField('name');
        $j = $m_u->join('contact');
        $j->addField('contact_phone');
        $m_u->load(1);
        $m_u['name'] = 'John 2';
        $m_u['contact_phone'] = '+555';
        $m_u->save();
        $this->assertEquals(['user' => [1 => ['id' => 1, 'name' => 'John 2', 'contact_id' => 1], 2 => ['id' => 2, 'name' => 'Peter', 'contact_id' => 1], 3 => ['id' => 3, 'name' => 'Joe', 'contact_id' => 2]], 'contact' => [1 => ['id' => 1, 'contact_phone' => '+555'], 2 => ['id' => 2, 'contact_phone' => '+321']]], $a);
        $m_u->load(3);
        $m_u['name'] = 'XX';
        $m_u['contact_phone'] = '+999';
        $m_u->save();
        $this->assertEquals(['user' => [1 => ['id' => 1, 'name' => 'John 2', 'contact_id' => 1], 2 => ['id' => 2, 'name' => 'Peter', 'contact_id' => 1], 3 => ['id' => 3, 'name' => 'XX', 'contact_id' => 2]], 'contact' => [1 => ['id' => 1, 'contact_phone' => '+555'], 2 => ['id' => 2, 'contact_phone' => '+999']]], $a);
        $m_u->tryLoad(4);
        $m_u['name'] = 'YYY';
        $m_u['contact_phone'] = '+777';
        $m_u->save();
        $this->assertEquals(['user' => [1 => ['id' => 1, 'name' => 'John 2', 'contact_id' => 1], 2 => ['id' => 2, 'name' => 'Peter', 'contact_id' => 1], 3 => ['id' => 3, 'name' => 'XX', 'contact_id' => 2], 4 => ['id' => 4, 'name' => 'YYY', 'contact_id' => 3]], 'contact' => [1 => ['id' => 1, 'contact_phone' => '+555'], 2 => ['id' => 2, 'contact_phone' => '+999'], 3 => ['id' => 3, 'contact_phone' => '+777']]], $a);
    }