yii2/tests/framework/db/ActiveRecordTest.php

<?php
/**
 * @link http://www.yiiframework.com/
 * @copyright Copyright (c) 2008 Yii Software LLC
 * @license http://www.yiiframework.com/license/
 */

namespace yiiunit\framework\db;

use yii\db\ActiveQuery;
use yii\db\ActiveRecordInterface;
use yii\db\Query;
use yii\helpers\ArrayHelper;
use yiiunit\data\ar\ActiveRecord;
use yiiunit\data\ar\Animal;
use yiiunit\data\ar\Beta;
use yiiunit\data\ar\BitValues;
use yiiunit\data\ar\Cat;
use yiiunit\data\ar\Category;
use yiiunit\data\ar\Customer;
use yiiunit\data\ar\CustomerWithAlias;
use yiiunit\data\ar\Document;
use yiiunit\data\ar\Dossier;
use yiiunit\data\ar\CustomerQuery;
use yiiunit\data\ar\CustomerWithConstructor;
use yiiunit\data\ar\Dog;
use yiiunit\data\ar\Item;
use yiiunit\data\ar\NullValues;
use yiiunit\data\ar\Order;
use yiiunit\data\ar\OrderItem;
use yiiunit\data\ar\OrderItemWithConstructor;
use yiiunit\data\ar\OrderItemWithNullFK;
use yiiunit\data\ar\OrderWithConstructor;
use yiiunit\data\ar\OrderWithNullFK;
use yiiunit\data\ar\Profile;
use yiiunit\data\ar\ProfileWithConstructor;
use yiiunit\data\ar\Type;
use yiiunit\data\ar\CroppedType;
use yiiunit\framework\ar\ActiveRecordTestTrait;
use yiiunit\framework\db\cubrid\ActiveRecordTest as CubridActiveRecordTest;
use yiiunit\TestCase;

abstract class ActiveRecordTest extends DatabaseTestCase
{
    use ActiveRecordTestTrait;

    protected function setUp()
    {
        parent::setUp();
        ActiveRecord::$db = $this->getConnection();
        CustomerQuery::$joinWithProfile = false;
    }

    /**
     * {@inheritdoc}
     */
    public function getCustomerClass()
    {
        return Customer::className();
    }

    /**
     * {@inheritdoc}
     */
    public function getItemClass()
    {
        return Item::className();
    }

    /**
     * {@inheritdoc}
     */
    public function getOrderClass()
    {
        return Order::className();
    }

    /**
     * {@inheritdoc}
     */
    public function getOrderItemClass()
    {
        return OrderItem::className();
    }

    /**
     * @return string
     */
    public function getCategoryClass()
    {
        return Category::className();
    }

    /**
     * {@inheritdoc}
     */
    public function getOrderWithNullFKClass()
    {
        return OrderWithNullFK::className();
    }

    /**
     * {@inheritdoc}
     */
    public function getOrderItemWithNullFKmClass()
    {
        return OrderItemWithNullFK::className();
    }

    public function testCustomColumns()
    {
        // find custom column
        if ($this->driverName === 'oci') {
            $customer = Customer::find()->select(['{{customer}}.*', '([[status]]*2) AS [[status2]]'])
                ->where(['name' => 'user3'])->one();
        } else {
            $customer = Customer::find()->select(['*', '([[status]]*2) AS [[status2]]'])
                ->where(['name' => 'user3'])->one();
        }
        $this->assertEquals(3, $customer->id);
        $this->assertEquals(4, $customer->status2);
    }

    public function testStatisticalFind()
    {
        // find count, sum, average, min, max, scalar
        $this->assertEquals(3, Customer::find()->count());
        $this->assertEquals(2, Customer::find()->where('[[id]]=1 OR [[id]]=2')->count());
        $this->assertEquals(6, Customer::find()->sum('[[id]]'));
        $this->assertEquals(2, Customer::find()->average('[[id]]'));
        $this->assertEquals(1, Customer::find()->min('[[id]]'));
        $this->assertEquals(3, Customer::find()->max('[[id]]'));
        $this->assertEquals(3, Customer::find()->select('COUNT(*)')->scalar());
    }

    public function testFindScalar()
    {
        // query scalar
        $customerName = Customer::find()->where(['[[id]]' => 2])->select('[[name]]')->scalar();
        $this->assertEquals('user2', $customerName);
    }

    public function testFindExists()
    {
        $this->assertTrue(Customer::find()->where(['[[id]]' => 2])->exists());
        $this->assertFalse(Customer::find()->where(['[[id]]' => 42])->exists());
        $this->assertTrue(Customer::find()->where(['[[id]]' => 2])->select('[[name]]')->exists());
        $this->assertFalse(Customer::find()->where(['[[id]]' => 42])->select('[[name]]')->exists());
    }

    public function testFindColumn()
    {
        /* @var $this TestCase|ActiveRecordTestTrait */
        $this->assertEquals(['user1', 'user2', 'user3'], Customer::find()->select('[[name]]')->column());
        $this->assertEquals(['user3', 'user2', 'user1'], Customer::find()->orderBy(['[[name]]' => SORT_DESC])->select('[[name]]')->column());
    }

    public function testFindBySql()
    {
        // find one
        $customer = Customer::findBySql('SELECT * FROM {{customer}} ORDER BY [[id]] DESC')->one();
        $this->assertInstanceOf(Customer::className(), $customer);
        $this->assertEquals('user3', $customer->name);

        // find all
        $customers = Customer::findBySql('SELECT * FROM {{customer}}')->all();
        $this->assertCount(3, $customers);

        // find with parameter binding
        $customer = Customer::findBySql('SELECT * FROM {{customer}} WHERE [[id]]=:id', [':id' => 2])->one();
        $this->assertInstanceOf(Customer::className(), $customer);
        $this->assertEquals('user2', $customer->name);
    }

    /**
     * @depends testFindBySql
     *
     * @see https://github.com/yiisoft/yii2/issues/8593
     */
    public function testCountWithFindBySql()
    {
        $query = Customer::findBySql('SELECT * FROM {{customer}}');
        $this->assertEquals(3, $query->count());
        $query = Customer::findBySql('SELECT * FROM {{customer}} WHERE  [[id]]=:id', [':id' => 2]);
        $this->assertEquals(1, $query->count());
    }

    public function testFindLazyViaTable()
    {
        /* @var $order Order */
        $order = Order::findOne(1);
        $this->assertEquals(1, $order->id);
        $this->assertCount(2, $order->books);
        $this->assertEquals(1, $order->items[0]->id);
        $this->assertEquals(2, $order->items[1]->id);

        $order = Order::findOne(2);
        $this->assertEquals(2, $order->id);
        $this->assertCount(0, $order->books);

        $order = Order::find()->where(['id' => 1])->asArray()->one();
        $this->assertInternalType('array', $order);
    }

    public function testFindEagerViaTable()
    {
        $orders = Order::find()->with('books')->orderBy('id')->all();
        $this->assertCount(3, $orders);

        $order = $orders[0];
        $this->assertEquals(1, $order->id);
        $this->assertCount(2, $order->books);
        $this->assertEquals(1, $order->books[0]->id);
        $this->assertEquals(2, $order->books[1]->id);

        $order = $orders[1];
        $this->assertEquals(2, $order->id);
        $this->assertCount(0, $order->books);

        $order = $orders[2];
        $this->assertEquals(3, $order->id);
        $this->assertCount(1, $order->books);
        $this->assertEquals(2, $order->books[0]->id);

        // https://github.com/yiisoft/yii2/issues/1402
        $orders = Order::find()->with('books')->orderBy('id')->asArray()->all();
        $this->assertCount(3, $orders);
        $this->assertInternalType('array', $orders[0]['orderItems'][0]);

        $order = $orders[0];
        $this->assertInternalType('array', $order);
        $this->assertEquals(1, $order['id']);
        $this->assertCount(2, $order['books']);
        $this->assertEquals(1, $order['books'][0]['id']);
        $this->assertEquals(2, $order['books'][1]['id']);
    }

    // deeply nested table relation
    public function testDeeplyNestedTableRelation()
    {
        /* @var $customer Customer */
        $customer = Customer::findOne(1);
        $this->assertNotNull($customer);

        $items = $customer->orderItems;

        $this->assertCount(2, $items);
        $this->assertInstanceOf(Item::className(), $items[0]);
        $this->assertInstanceOf(Item::className(), $items[1]);
        $this->assertEquals(1, $items[0]->id);
        $this->assertEquals(2, $items[1]->id);
    }

    /**
     * @see https://github.com/yiisoft/yii2/issues/5341
     *
     * Issue:     Plan     1 -- * Account * -- * User
     * Our Tests: Category 1 -- * Item    * -- * Order
     */
    public function testDeeplyNestedTableRelation2()
    {
        /* @var $category Category */
        $category = Category::findOne(1);
        $this->assertNotNull($category);
        $orders = $category->orders;
        $this->assertCount(2, $orders);
        $this->assertInstanceOf(Order::className(), $orders[0]);
        $this->assertInstanceOf(Order::className(), $orders[1]);
        $ids = [$orders[0]->id, $orders[1]->id];
        sort($ids);
        $this->assertEquals([1, 3], $ids);

        $category = Category::findOne(2);
        $this->assertNotNull($category);
        $orders = $category->orders;
        $this->assertCount(1, $orders);
        $this->assertInstanceOf(Order::className(), $orders[0]);
        $this->assertEquals(2, $orders[0]->id);
    }

    public function testStoreNull()
    {
        $record = new NullValues();
        $this->assertNull($record->var1);
        $this->assertNull($record->var2);
        $this->assertNull($record->var3);
        $this->assertNull($record->stringcol);

        $record->var1 = 123;
        $record->var2 = 456;
        $record->var3 = 789;
        $record->stringcol = 'hello!';

        $record->save(false);
        $this->assertTrue($record->refresh());

        $this->assertEquals(123, $record->var1);
        $this->assertEquals(456, $record->var2);
        $this->assertEquals(789, $record->var3);
        $this->assertEquals('hello!', $record->stringcol);

        $record->var1 = null;
        $record->var2 = null;
        $record->var3 = null;
        $record->stringcol = null;

        $record->save(false);
        $this->assertTrue($record->refresh());

        $this->assertNull($record->var1);
        $this->assertNull($record->var2);
        $this->assertNull($record->var3);
        $this->assertNull($record->stringcol);

        $record->var1 = 0;
        $record->var2 = 0;
        $record->var3 = 0;
        $record->stringcol = '';

        $record->save(false);
        $this->assertTrue($record->refresh());

        $this->assertEquals(0, $record->var1);
        $this->assertEquals(0, $record->var2);
        $this->assertEquals(0, $record->var3);
        $this->assertEquals('', $record->stringcol);
    }

    public function testStoreEmpty()
    {
        $record = new NullValues();

        // this is to simulate empty html form submission
        $record->var1 = '';
        $record->var2 = '';
        $record->var3 = '';
        $record->stringcol = '';

        $record->save(false);
        $this->assertTrue($record->refresh());

        // https://github.com/yiisoft/yii2/commit/34945b0b69011bc7cab684c7f7095d837892a0d4#commitcomment-4458225
        $this->assertSame($record->var1, $record->var2);
        $this->assertSame($record->var2, $record->var3);
    }

    public function testIsPrimaryKey()
    {
        $this->assertFalse(Customer::isPrimaryKey([]));
        $this->assertTrue(Customer::isPrimaryKey(['id']));
        $this->assertFalse(Customer::isPrimaryKey(['id', 'name']));
        $this->assertFalse(Customer::isPrimaryKey(['name']));
        $this->assertFalse(Customer::isPrimaryKey(['name', 'email']));

        $this->assertFalse(OrderItem::isPrimaryKey([]));
        $this->assertFalse(OrderItem::isPrimaryKey(['order_id']));
        $this->assertFalse(OrderItem::isPrimaryKey(['item_id']));
        $this->assertFalse(OrderItem::isPrimaryKey(['quantity']));
        $this->assertFalse(OrderItem::isPrimaryKey(['quantity', 'subtotal']));
        $this->assertTrue(OrderItem::isPrimaryKey(['order_id', 'item_id']));
        $this->assertFalse(OrderItem::isPrimaryKey(['order_id', 'item_id', 'quantity']));
    }

    public function testJoinWith()
    {
        // left join and eager loading
        $orders = Order::find()->joinWith('customer')->orderBy('customer.id DESC, order.id')->all();
        $this->assertCount(3, $orders);
        $this->assertEquals(2, $orders[0]->id);
        $this->assertEquals(3, $orders[1]->id);
        $this->assertEquals(1, $orders[2]->id);
        $this->assertTrue($orders[0]->isRelationPopulated('customer'));
        $this->assertTrue($orders[1]->isRelationPopulated('customer'));
        $this->assertTrue($orders[2]->isRelationPopulated('customer'));

        // inner join filtering and eager loading
        $orders = Order::find()->innerJoinWith([
            'customer' => function ($query) {
                $query->where('{{customer}}.[[id]]=2');
            },
        ])->orderBy('order.id')->all();
        $this->assertCount(2, $orders);
        $this->assertEquals(2, $orders[0]->id);
        $this->assertEquals(3, $orders[1]->id);
        $this->assertTrue($orders[0]->isRelationPopulated('customer'));
        $this->assertTrue($orders[1]->isRelationPopulated('customer'));

        // inner join filtering, eager loading, conditions on both primary and relation
        $orders = Order::find()->innerJoinWith([
            'customer' => function ($query) {
                $query->where(['customer.id' => 2]);
            },
        ])->where(['order.id' => [1, 2]])->orderBy('order.id')->all();
        $this->assertCount(1, $orders);
        $this->assertEquals(2, $orders[0]->id);
        $this->assertTrue($orders[0]->isRelationPopulated('customer'));

        // inner join filtering without eager loading
        $orders = Order::find()->innerJoinWith([
            'customer' => function ($query) {
                $query->where('{{customer}}.[[id]]=2');
            },
        ], false)->orderBy('order.id')->all();
        $this->assertCount(2, $orders);
        $this->assertEquals(2, $orders[0]->id);
        $this->assertEquals(3, $orders[1]->id);
        $this->assertFalse($orders[0]->isRelationPopulated('customer'));
        $this->assertFalse($orders[1]->isRelationPopulated('customer'));

        // inner join filtering without eager loading, conditions on both primary and relation
        $orders = Order::find()->innerJoinWith([
            'customer' => function ($query) {
                $query->where(['customer.id' => 2]);
            },
        ], false)->where(['order.id' => [1, 2]])->orderBy('order.id')->all();
        $this->assertCount(1, $orders);
        $this->assertEquals(2, $orders[0]->id);
        $this->assertFalse($orders[0]->isRelationPopulated('customer'));

        // join with via-relation
        $orders = Order::find()->innerJoinWith('books')->orderBy('order.id')->all();
        $this->assertCount(2, $orders);
        $this->assertEquals(1, $orders[0]->id);
        $this->assertEquals(3, $orders[1]->id);
        $this->assertTrue($orders[0]->isRelationPopulated('books'));
        $this->assertTrue($orders[1]->isRelationPopulated('books'));
        $this->assertCount(2, $orders[0]->books);
        $this->assertCount(1, $orders[1]->books);

        // join with sub-relation
        $orders = Order::find()->innerJoinWith([
            'items' => function ($q) {
                $q->orderBy('item.id');
            },
            'items.category' => function ($q) {
                $q->where('{{category}}.[[id]] = 2');
            },
        ])->orderBy('order.id')->all();
        $this->assertCount(1, $orders);
        $this->assertTrue($orders[0]->isRelationPopulated('items'));
        $this->assertEquals(2, $orders[0]->id);
        $this->assertCount(3, $orders[0]->items);
        $this->assertTrue($orders[0]->items[0]->isRelationPopulated('category'));
        $this->assertEquals(2, $orders[0]->items[0]->category->id);

        // join with table alias
        $orders = Order::find()->joinWith([
            'customer' => function ($q) {
                $q->from('customer c');
            },
        ])->orderBy('c.id DESC, order.id')->all();
        $this->assertCount(3, $orders);
        $this->assertEquals(2, $orders[0]->id);
        $this->assertEquals(3, $orders[1]->id);
        $this->assertEquals(1, $orders[2]->id);
        $this->assertTrue($orders[0]->isRelationPopulated('customer'));
        $this->assertTrue($orders[1]->isRelationPopulated('customer'));
        $this->assertTrue($orders[2]->isRelationPopulated('customer'));

        // join with table alias
        $orders = Order::find()->joinWith('customer as c')->orderBy('c.id DESC, order.id')->all();
        $this->assertCount(3, $orders);
        $this->assertEquals(2, $orders[0]->id);
        $this->assertEquals(3, $orders[1]->id);
        $this->assertEquals(1, $orders[2]->id);
        $this->assertTrue($orders[0]->isRelationPopulated('customer'));
        $this->assertTrue($orders[1]->isRelationPopulated('customer'));
        $this->assertTrue($orders[2]->isRelationPopulated('customer'));

        // join with table alias sub-relation
        $orders = Order::find()->innerJoinWith([
            'items as t' => function ($q) {
                $q->orderBy('t.id');
            },
            'items.category as c' => function ($q) {
                $q->where('{{c}}.[[id]] = 2');
            },
        ])->orderBy('order.id')->all();
        $this->assertCount(1, $orders);
        $this->assertTrue($orders[0]->isRelationPopulated('items'));
        $this->assertEquals(2, $orders[0]->id);
        $this->assertCount(3, $orders[0]->items);
        $this->assertTrue($orders[0]->items[0]->isRelationPopulated('category'));
        $this->assertEquals(2, $orders[0]->items[0]->category->id);

        // join with ON condition
        $orders = Order::find()->joinWith('books2')->orderBy('order.id')->all();
        $this->assertCount(3, $orders);
        $this->assertEquals(1, $orders[0]->id);
        $this->assertEquals(2, $orders[1]->id);
        $this->assertEquals(3, $orders[2]->id);
        $this->assertTrue($orders[0]->isRelationPopulated('books2'));
        $this->assertTrue($orders[1]->isRelationPopulated('books2'));
        $this->assertTrue($orders[2]->isRelationPopulated('books2'));
        $this->assertCount(2, $orders[0]->books2);
        $this->assertCount(0, $orders[1]->books2);
        $this->assertCount(1, $orders[2]->books2);

        // lazy loading with ON condition
        $order = Order::findOne(1);
        $this->assertCount(2, $order->books2);
        $order = Order::findOne(2);
        $this->assertCount(0, $order->books2);
        $order = Order::findOne(3);
        $this->assertCount(1, $order->books2);

        // eager loading with ON condition
        $orders = Order::find()->with('books2')->all();
        $this->assertCount(3, $orders);
        $this->assertEquals(1, $orders[0]->id);
        $this->assertEquals(2, $orders[1]->id);
        $this->assertEquals(3, $orders[2]->id);
        $this->assertTrue($orders[0]->isRelationPopulated('books2'));
        $this->assertTrue($orders[1]->isRelationPopulated('books2'));
        $this->assertTrue($orders[2]->isRelationPopulated('books2'));
        $this->assertCount(2, $orders[0]->books2);
        $this->assertCount(0, $orders[1]->books2);
        $this->assertCount(1, $orders[2]->books2);

        // join with count and query
        $query = Order::find()->joinWith('customer');
        $count = $query->count();
        $this->assertEquals(3, $count);
        $orders = $query->all();
        $this->assertCount(3, $orders);

        // https://github.com/yiisoft/yii2/issues/2880
        $query = Order::findOne(1);
        $customer = $query->getCustomer()
            ->joinWith([
                'orders' => function ($q) {
                    $q->orderBy([]);
                },
            ])
            ->one();
        $this->assertEquals(1, $customer->id);
        $order = Order::find()->joinWith([
            'items' => function ($q) {
                $q->from(['items' => 'item'])
                    ->orderBy('items.id');
            },
        ])->orderBy('order.id')->one();

        // join with sub-relation called inside Closure
        $orders = Order::find()
            ->joinWith([
                'items' => function ($q) {
                    $q->orderBy('item.id');
                    $q->joinWith([
                        'category' => function ($q) {
                            $q->where('{{category}}.[[id]] = 2');
                        },
                    ]);
                },
            ])
            ->orderBy('order.id')
            ->all();
        $this->assertCount(1, $orders);
        $this->assertTrue($orders[0]->isRelationPopulated('items'));
        $this->assertEquals(2, $orders[0]->id);
        $this->assertCount(3, $orders[0]->items);
        $this->assertTrue($orders[0]->items[0]->isRelationPopulated('category'));
        $this->assertEquals(2, $orders[0]->items[0]->category->id);
    }

    /**
     * @depends testJoinWith
     */
    public function testJoinWithDuplicateSimple()
    {
        // left join and eager loading
        $orders = Order::find()
            ->innerJoinWith('customer')
            ->joinWith('customer')
            ->orderBy('customer.id DESC, order.id')
            ->all();
        $this->assertCount(3, $orders);
        $this->assertEquals(2, $orders[0]->id);
        $this->assertEquals(3, $orders[1]->id);
        $this->assertEquals(1, $orders[2]->id);
        $this->assertTrue($orders[0]->isRelationPopulated('customer'));
        $this->assertTrue($orders[1]->isRelationPopulated('customer'));
        $this->assertTrue($orders[2]->isRelationPopulated('customer'));
    }

    /**
     * @depends testJoinWith
     */
    public function testJoinWithDuplicateCallbackFiltering()
    {
        // inner join filtering and eager loading
        $orders = Order::find()
            ->innerJoinWith('customer')
            ->joinWith([
                'customer' => function ($query) {
                    $query->where('{{customer}}.[[id]]=2');
                },
            ])->orderBy('order.id')->all();
        $this->assertCount(2, $orders);
        $this->assertEquals(2, $orders[0]->id);
        $this->assertEquals(3, $orders[1]->id);
        $this->assertTrue($orders[0]->isRelationPopulated('customer'));
        $this->assertTrue($orders[1]->isRelationPopulated('customer'));
    }

    /**
     * @depends testJoinWith
     */
    public function testJoinWithDuplicateCallbackFilteringConditionsOnPrimary()
    {
        // inner join filtering, eager loading, conditions on both primary and relation
        $orders = Order::find()
            ->innerJoinWith('customer')
            ->joinWith([
                'customer' => function ($query) {
                    $query->where(['{{customer}}.[[id]]' => 2]);
                },
            ])->where(['order.id' => [1, 2]])->orderBy('order.id')->all();
        $this->assertCount(1, $orders);
        $this->assertEquals(2, $orders[0]->id);
        $this->assertTrue($orders[0]->isRelationPopulated('customer'));
    }

    /**
     * @depends testJoinWith
     */
    public function testJoinWithDuplicateWithSubRelation()
    {
        // join with sub-relation
        $orders = Order::find()
            ->innerJoinWith('items')
            ->joinWith([
                'items.category' => function ($q) {
                    $q->where('{{category}}.[[id]] = 2');
                },
            ])->orderBy('order.id')->all();
        $this->assertCount(1, $orders);
        $this->assertTrue($orders[0]->isRelationPopulated('items'));
        $this->assertEquals(2, $orders[0]->id);
        $this->assertCount(3, $orders[0]->items);
        $this->assertTrue($orders[0]->items[0]->isRelationPopulated('category'));
        $this->assertEquals(2, $orders[0]->items[0]->category->id);
    }

    /**
     * @depends testJoinWith
     */
    public function testJoinWithDuplicateTableAlias1()
    {
        // join with table alias
        $orders = Order::find()
            ->innerJoinWith('customer')
            ->joinWith([
                'customer' => function ($q) {
                    $q->from('customer c');
                },
            ])->orderBy('c.id DESC, order.id')->all();
        $this->assertCount(3, $orders);
        $this->assertEquals(2, $orders[0]->id);
        $this->assertEquals(3, $orders[1]->id);
        $this->assertEquals(1, $orders[2]->id);
        $this->assertTrue($orders[0]->isRelationPopulated('customer'));
        $this->assertTrue($orders[1]->isRelationPopulated('customer'));
        $this->assertTrue($orders[2]->isRelationPopulated('customer'));
    }

    /**
     * @depends testJoinWith
     */
    public function testJoinWithDuplicateTableAlias2()
    {
        // join with table alias
        $orders = Order::find()
            ->innerJoinWith('customer')
            ->joinWith('customer as c')
            ->orderBy('c.id DESC, order.id')
            ->all();
        $this->assertCount(3, $orders);
        $this->assertEquals(2, $orders[0]->id);
        $this->assertEquals(3, $orders[1]->id);
        $this->assertEquals(1, $orders[2]->id);
        $this->assertTrue($orders[0]->isRelationPopulated('customer'));
        $this->assertTrue($orders[1]->isRelationPopulated('customer'));
        $this->assertTrue($orders[2]->isRelationPopulated('customer'));
    }

    /**
     * @depends testJoinWith
     */
    public function testJoinWithDuplicateTableAliasSubRelation()
    {
        // join with table alias sub-relation
        $orders = Order::find()
            ->innerJoinWith([
                'items as t' => function ($q) {
                    $q->orderBy('t.id');
                },
            ])
            ->joinWith([
                'items.category as c' => function ($q) {
                    $q->where('{{c}}.[[id]] = 2');
                },
            ])->orderBy('order.id')->all();
        $this->assertCount(1, $orders);
        $this->assertTrue($orders[0]->isRelationPopulated('items'));
        $this->assertEquals(2, $orders[0]->id);
        $this->assertCount(3, $orders[0]->items);
        $this->assertTrue($orders[0]->items[0]->isRelationPopulated('category'));
        $this->assertEquals(2, $orders[0]->items[0]->category->id);
    }

    /**
     * @depends testJoinWith
     */
    public function testJoinWithDuplicateSubRelationCalledInsideClosure()
    {
        // join with sub-relation called inside Closure
        $orders = Order::find()
            ->innerJoinWith('items')
            ->joinWith([
                'items' => function ($q) {
                    $q->orderBy('item.id');
                    $q->joinWith([
                        'category' => function ($q) {
                            $q->where('{{category}}.[[id]] = 2');
                        },
                    ]);
                },
            ])
            ->orderBy('order.id')
            ->all();
        $this->assertCount(1, $orders);
        $this->assertTrue($orders[0]->isRelationPopulated('items'));
        $this->assertEquals(2, $orders[0]->id);
        $this->assertCount(3, $orders[0]->items);
        $this->assertTrue($orders[0]->items[0]->isRelationPopulated('category'));
        $this->assertEquals(2, $orders[0]->items[0]->category->id);
    }

    /**
     * @depends testJoinWith
     */
    public function testJoinWithAndScope()
    {
        // hasOne inner join
        $customers = Customer::find()->active()->innerJoinWith('profile')->orderBy('customer.id')->all();
        $this->assertCount(1, $customers);
        $this->assertEquals(1, $customers[0]->id);
        $this->assertTrue($customers[0]->isRelationPopulated('profile'));

        // hasOne outer join
        $customers = Customer::find()->active()->joinWith('profile')->orderBy('customer.id')->all();
        $this->assertCount(2, $customers);
        $this->assertEquals(1, $customers[0]->id);
        $this->assertEquals(2, $customers[1]->id);
        $this->assertTrue($customers[0]->isRelationPopulated('profile'));
        $this->assertTrue($customers[1]->isRelationPopulated('profile'));
        $this->assertInstanceOf(Profile::className(), $customers[0]->profile);
        $this->assertNull($customers[1]->profile);

        // hasMany
        $customers = Customer::find()->active()->joinWith([
            'orders' => function ($q) {
                $q->orderBy('order.id');
            },
        ])->orderBy('customer.id DESC, order.id')->all();
        $this->assertCount(2, $customers);
        $this->assertEquals(2, $customers[0]->id);
        $this->assertEquals(1, $customers[1]->id);
        $this->assertTrue($customers[0]->isRelationPopulated('orders'));
        $this->assertTrue($customers[1]->isRelationPopulated('orders'));
    }

    /**
     * This query will do the same join twice, ensure duplicated JOIN gets removed.
     *
     * @see https://github.com/yiisoft/yii2/pull/2650
     */
    public function testJoinWithVia()
    {
        Order::getDb()->getQueryBuilder()->separator = "\n";
        $rows = Order::find()->joinWith('itemsInOrder1')->joinWith([
            'items' => function ($q) {
                $q->orderBy('item.id');
            },
        ])->all();
        $this->assertNotEmpty($rows);
    }

    public function aliasMethodProvider()
    {
        return [
            ['explicit'], // c
//            ['querysyntax'], // {{@customer}}
//            ['applyAlias'], // $query->applyAlias('customer', 'id') // _aliases are currently not being populated
            // later getRelationAlias() could be added
        ];
    }

    /**
     * Tests the alias syntax for joinWith: 'alias' => 'relation'.
     * @dataProvider aliasMethodProvider
     * @param string $aliasMethod whether alias is specified explicitly or using the query syntax {{@tablename}}
     */
    public function testJoinWithAlias($aliasMethod)
    {
        // left join and eager loading
        /** @var ActiveQuery $query */
        $query = Order::find()->joinWith(['customer c']);
        if ($aliasMethod === 'explicit') {
            $orders = $query->orderBy('c.id DESC, order.id')->all();
        } elseif ($aliasMethod === 'querysyntax') {
            $orders = $query->orderBy('{{@customer}}.id DESC, {{@order}}.id')->all();
        } elseif ($aliasMethod === 'applyAlias') {
            $orders = $query->orderBy($query->applyAlias('customer', 'id') . ' DESC,' . $query->applyAlias('order', 'id'))->all();
        }
        $this->assertCount(3, $orders);
        $this->assertEquals(2, $orders[0]->id);
        $this->assertEquals(3, $orders[1]->id);
        $this->assertEquals(1, $orders[2]->id);
        $this->assertTrue($orders[0]->isRelationPopulated('customer'));
        $this->assertTrue($orders[1]->isRelationPopulated('customer'));
        $this->assertTrue($orders[2]->isRelationPopulated('customer'));

        // inner join filtering and eager loading
        $query = Order::find()->innerJoinWith(['customer c']);
        if ($aliasMethod === 'explicit') {
            $orders = $query->where('{{c}}.[[id]]=2')->orderBy('order.id')->all();
        } elseif ($aliasMethod === 'querysyntax') {
            $orders = $query->where('{{@customer}}.[[id]]=2')->orderBy('{{@order}}.id')->all();
        } elseif ($aliasMethod === 'applyAlias') {
            $orders = $query->where([$query->applyAlias('customer', 'id') => 2])->orderBy($query->applyAlias('order', 'id'))->all();
        }
        $this->assertCount(2, $orders);
        $this->assertEquals(2, $orders[0]->id);
        $this->assertEquals(3, $orders[1]->id);
        $this->assertTrue($orders[0]->isRelationPopulated('customer'));
        $this->assertTrue($orders[1]->isRelationPopulated('customer'));

        // inner join filtering without eager loading
        $query = Order::find()->innerJoinWith(['customer c'], false);
        if ($aliasMethod === 'explicit') {
            $orders = $query->where('{{c}}.[[id]]=2')->orderBy('order.id')->all();
        } elseif ($aliasMethod === 'querysyntax') {
            $orders = $query->where('{{@customer}}.[[id]]=2')->orderBy('{{@order}}.id')->all();
        } elseif ($aliasMethod === 'applyAlias') {
            $orders = $query->where([$query->applyAlias('customer', 'id') => 2])->orderBy($query->applyAlias('order', 'id'))->all();
        }
        $this->assertCount(2, $orders);
        $this->assertEquals(2, $orders[0]->id);
        $this->assertEquals(3, $orders[1]->id);
        $this->assertFalse($orders[0]->isRelationPopulated('customer'));
        $this->assertFalse($orders[1]->isRelationPopulated('customer'));

        // join with via-relation
        $query = Order::find()->innerJoinWith(['books b']);
        if ($aliasMethod === 'explicit') {
            $orders = $query->where(['b.name' => 'Yii 1.1 Application Development Cookbook'])->orderBy('order.id')->all();
        } elseif ($aliasMethod === 'querysyntax') {
            $orders = $query->where(['{{@item}}.name' => 'Yii 1.1 Application Development Cookbook'])->orderBy('{{@order}}.id')->all();
        } elseif ($aliasMethod === 'applyAlias') {
            $orders = $query->where([$query->applyAlias('book', 'name') => 'Yii 1.1 Application Development Cookbook'])->orderBy($query->applyAlias('order', 'id'))->all();
        }
        $this->assertCount(2, $orders);
        $this->assertEquals(1, $orders[0]->id);
        $this->assertEquals(3, $orders[1]->id);
        $this->assertTrue($orders[0]->isRelationPopulated('books'));
        $this->assertTrue($orders[1]->isRelationPopulated('books'));
        $this->assertCount(2, $orders[0]->books);
        $this->assertCount(1, $orders[1]->books);

        // joining sub relations
        $query = Order::find()->innerJoinWith([
            'items i' => function ($q) use ($aliasMethod) {
                /* @var $q ActiveQuery */
                if ($aliasMethod === 'explicit') {
                    $q->orderBy('{{i}}.id');
                } elseif ($aliasMethod === 'querysyntax') {
                    $q->orderBy('{{@item}}.id');
                } elseif ($aliasMethod === 'applyAlias') {
                    $q->orderBy($q->applyAlias('item', 'id'));
                }
            },
            'items.category c' => function ($q) use ($aliasMethod) {
                /* @var $q ActiveQuery */
                if ($aliasMethod === 'explicit') {
                    $q->where('{{c}}.[[id]] = 2');
                } elseif ($aliasMethod === 'querysyntax') {
                    $q->where('{{@category}}.[[id]] = 2');
                } elseif ($aliasMethod === 'applyAlias') {
                    $q->where([$q->applyAlias('category', 'id') => 2]);
                }
            },
        ]);
        if ($aliasMethod === 'explicit') {
            $orders = $query->orderBy('{{i}}.id')->all();
        } elseif ($aliasMethod === 'querysyntax') {
            $orders = $query->orderBy('{{@item}}.id')->all();
        } elseif ($aliasMethod === 'applyAlias') {
            $orders = $query->orderBy($query->applyAlias('item', 'id'))->all();
        }
        $this->assertCount(1, $orders);
        $this->assertTrue($orders[0]->isRelationPopulated('items'));
        $this->assertEquals(2, $orders[0]->id);
        $this->assertCount(3, $orders[0]->items);
        $this->assertTrue($orders[0]->items[0]->isRelationPopulated('category'));
        $this->assertEquals(2, $orders[0]->items[0]->category->id);

        // join with ON condition
        if ($aliasMethod === 'explicit' || $aliasMethod === 'querysyntax') {
            $relationName = 'books' . ucfirst($aliasMethod);
            $orders = Order::find()->joinWith(["$relationName b"])->orderBy('order.id')->all();
            $this->assertCount(3, $orders);
            $this->assertEquals(1, $orders[0]->id);
            $this->assertEquals(2, $orders[1]->id);
            $this->assertEquals(3, $orders[2]->id);
            $this->assertTrue($orders[0]->isRelationPopulated($relationName));
            $this->assertTrue($orders[1]->isRelationPopulated($relationName));
            $this->assertTrue($orders[2]->isRelationPopulated($relationName));
            $this->assertCount(2, $orders[0]->$relationName);
            $this->assertCount(0, $orders[1]->$relationName);
            $this->assertCount(1, $orders[2]->$relationName);
        }

        // join with ON condition and alias in relation definition
        if ($aliasMethod === 'explicit' || $aliasMethod === 'querysyntax') {
            $relationName = 'books' . ucfirst($aliasMethod) . 'A';
            $orders = Order::find()->joinWith([(string)$relationName])->orderBy('order.id')->all();
            $this->assertCount(3, $orders);
            $this->assertEquals(1, $orders[0]->id);
            $this->assertEquals(2, $orders[1]->id);
            $this->assertEquals(3, $orders[2]->id);
            $this->assertTrue($orders[0]->isRelationPopulated($relationName));
            $this->assertTrue($orders[1]->isRelationPopulated($relationName));
            $this->assertTrue($orders[2]->isRelationPopulated($relationName));
            $this->assertCount(2, $orders[0]->$relationName);
            $this->assertCount(0, $orders[1]->$relationName);
            $this->assertCount(1, $orders[2]->$relationName);
        }

        // join with count and query
        /** @var $query ActiveQuery */
        $query = Order::find()->joinWith(['customer c']);
        if ($aliasMethod === 'explicit') {
            $count = $query->count('[[c.id]]');
        } elseif ($aliasMethod === 'querysyntax') {
            $count = $query->count('{{@customer}}.id');
        } elseif ($aliasMethod === 'applyAlias') {
            $count = $query->count($query->applyAlias('customer', 'id'));
        }
        $this->assertEquals(3, $count);
        $orders = $query->all();
        $this->assertCount(3, $orders);

        // relational query
        /** @var $order Order */
        $order = Order::findOne(1);
        $customerQuery = $order->getCustomer()->innerJoinWith(['orders o'], false);
        if ($aliasMethod === 'explicit') {
            $customer = $customerQuery->where(['o.id' => 1])->one();
        } elseif ($aliasMethod === 'querysyntax') {
            $customer = $customerQuery->where(['{{@order}}.id' => 1])->one();
        } elseif ($aliasMethod === 'applyAlias') {
            $customer = $customerQuery->where([$query->applyAlias('order', 'id') => 1])->one();
        }
        $this->assertNotNull($customer);
        $this->assertEquals(1, $customer->id);

        // join with sub-relation called inside Closure
        $orders = Order::find()->joinWith([
            'items' => function ($q) use ($aliasMethod) {
                /* @var $q ActiveQuery */
                $q->orderBy('item.id');
                $q->joinWith(['category c']);
                if ($aliasMethod === 'explicit') {
                    $q->where('{{c}}.[[id]] = 2');
                } elseif ($aliasMethod === 'querysyntax') {
                    $q->where('{{@category}}.[[id]] = 2');
                } elseif ($aliasMethod === 'applyAlias') {
                    $q->where([$q->applyAlias('category', 'id') => 2]);
                }
            },
        ])->orderBy('order.id')->all();
        $this->assertCount(1, $orders);
        $this->assertTrue($orders[0]->isRelationPopulated('items'));
        $this->assertEquals(2, $orders[0]->id);
        $this->assertCount(3, $orders[0]->items);
        $this->assertTrue($orders[0]->items[0]->isRelationPopulated('category'));
        $this->assertEquals(2, $orders[0]->items[0]->category->id);
    }

    public function testJoinWithSameTable()
    {
        // join with the same table but different aliases
        // alias is defined in the relation definition
        // without eager loading
        $query = Order::find()
            ->joinWith('bookItems', false)
            ->joinWith('movieItems', false)
            ->where(['movies.name' => 'Toy Story']);
        $orders = $query->all();
        $this->assertCount(1, $orders, $query->createCommand()->rawSql . print_r($orders, true));
        $this->assertEquals(2, $orders[0]->id);
        $this->assertFalse($orders[0]->isRelationPopulated('bookItems'));
        $this->assertFalse($orders[0]->isRelationPopulated('movieItems'));
        // with eager loading
        $query = Order::find()
            ->joinWith('bookItems', true)
            ->joinWith('movieItems', true)
            ->where(['movies.name' => 'Toy Story']);
        $orders = $query->all();
        $this->assertCount(1, $orders, $query->createCommand()->rawSql . print_r($orders, true));
        $this->assertEquals(2, $orders[0]->id);
        $this->assertTrue($orders[0]->isRelationPopulated('bookItems'));
        $this->assertTrue($orders[0]->isRelationPopulated('movieItems'));
        $this->assertCount(0, $orders[0]->bookItems);
        $this->assertCount(3, $orders[0]->movieItems);

        // join with the same table but different aliases
        // alias is defined in the call to joinWith()
        // without eager loading
        $query = Order::find()
            ->joinWith([
                'itemsIndexed books' => function ($q) {
                    $q->onCondition('[[books.category_id]] = 1');
                },
            ], false)
            ->joinWith([
                'itemsIndexed movies' => function ($q) {
                    $q->onCondition('[[movies.category_id]] = 2');
                },
            ], false)
            ->where(['movies.name' => 'Toy Story']);
        $orders = $query->all();
        $this->assertCount(1, $orders, $query->createCommand()->rawSql . print_r($orders, true));
        $this->assertEquals(2, $orders[0]->id);
        $this->assertFalse($orders[0]->isRelationPopulated('itemsIndexed'));
        // with eager loading, only for one relation as it would be overwritten otherwise.
        $query = Order::find()
            ->joinWith([
                'itemsIndexed books' => function ($q) {
                    $q->onCondition('[[books.category_id]] = 1');
                },
            ], false)
            ->joinWith([
                'itemsIndexed movies' => function ($q) {
                    $q->onCondition('[[movies.category_id]] = 2');
                },
            ], true)
            ->where(['movies.name' => 'Toy Story']);
        $orders = $query->all();
        $this->assertCount(1, $orders, $query->createCommand()->rawSql . print_r($orders, true));
        $this->assertEquals(2, $orders[0]->id);
        $this->assertTrue($orders[0]->isRelationPopulated('itemsIndexed'));
        $this->assertCount(3, $orders[0]->itemsIndexed);
        // with eager loading, and the other relation
        $query = Order::find()
            ->joinWith([
                'itemsIndexed books' => function ($q) {
                    $q->onCondition('[[books.category_id]] = 1');
                },
            ], true)
            ->joinWith([
                'itemsIndexed movies' => function ($q) {
                    $q->onCondition('[[movies.category_id]] = 2');
                },
            ], false)
            ->where(['[[movies.name]]' => 'Toy Story']);
        $orders = $query->all();
        $this->assertCount(1, $orders, $query->createCommand()->rawSql . print_r($orders, true));
        $this->assertEquals(2, $orders[0]->id);
        $this->assertTrue($orders[0]->isRelationPopulated('itemsIndexed'));
        $this->assertCount(0, $orders[0]->itemsIndexed);
    }

    /**
     * @see https://github.com/yiisoft/yii2/issues/10201
     * @see https://github.com/yiisoft/yii2/issues/9047
     */
    public function testFindCompositeRelationWithJoin()
    {
        /* @var $orderItem OrderItem */
        $orderItem = OrderItem::findOne([1, 1]);

        $orderItemNoJoin = $orderItem->orderItemCompositeNoJoin;
        $this->assertInstanceOf('yiiunit\data\ar\OrderItem', $orderItemNoJoin);

        $orderItemWithJoin = $orderItem->orderItemCompositeWithJoin;
        $this->assertInstanceOf('yiiunit\data\ar\OrderItem', $orderItemWithJoin);
    }

    public function testFindSimpleRelationWithJoin()
    {
        /* @var $order Order */
        $order = Order::findOne(1);

        $customerNoJoin = $order->customer;
        $this->assertInstanceOf('yiiunit\data\ar\Customer', $customerNoJoin);

        $customerWithJoin = $order->customerJoinedWithProfile;
        $this->assertInstanceOf('yiiunit\data\ar\Customer', $customerWithJoin);

        $customerWithJoinIndexOrdered = $order->customerJoinedWithProfileIndexOrdered;
        $this->assertInternalType('array', $customerWithJoinIndexOrdered);
        $this->assertArrayHasKey('user1', $customerWithJoinIndexOrdered);
        $this->assertInstanceOf('yiiunit\data\ar\Customer', $customerWithJoinIndexOrdered['user1']);
    }

    public function tableNameProvider()
    {
        return [
            ['order', 'order_item'],
            ['order', '{{%order_item}}'],
            ['{{%order}}', 'order_item'],
            ['{{%order}}', '{{%order_item}}'],
        ];
    }

    /**
     * Test whether conditions are quoted correctly in conditions where joinWith is used.
     * @see https://github.com/yiisoft/yii2/issues/11088
     * @dataProvider tableNameProvider
     * @param string $orderTableName
     * @param string $orderItemTableName
     */
    public function testRelationWhereParams($orderTableName, $orderItemTableName)
    {
        Order::$tableName = $orderTableName;
        OrderItem::$tableName = $orderItemTableName;

        /** @var $order Order */
        $order = Order::findOne(1);
        $itemsSQL = $order->getOrderitems()->createCommand()->rawSql;
        $expectedSQL = $this->replaceQuotes('SELECT * FROM [[order_item]] WHERE [[order_id]]=1');
        $this->assertEquals($expectedSQL, $itemsSQL);

        $order = Order::findOne(1);
        $itemsSQL = $order->getOrderItems()->joinWith('item')->createCommand()->rawSql;
        $expectedSQL = $this->replaceQuotes('SELECT [[order_item]].* FROM [[order_item]] LEFT JOIN [[item]] ON [[order_item]].[[item_id]] = [[item]].[[id]] WHERE [[order_item]].[[order_id]]=1');
        $this->assertEquals($expectedSQL, $itemsSQL);

        Order::$tableName = null;
        OrderItem::$tableName = null;
    }

    public function testOutdatedRelationsAreResetForNewRecords()
    {
        $orderItem = new OrderItem();
        $orderItem->order_id = 1;
        $orderItem->item_id = 3;
        $this->assertEquals(1, $orderItem->order->id);
        $this->assertEquals(3, $orderItem->item->id);

        // Test `__set()`.
        $orderItem->order_id = 2;
        $orderItem->item_id = 1;
        $this->assertEquals(2, $orderItem->order->id);
        $this->assertEquals(1, $orderItem->item->id);

        // Test `setAttribute()`.
        $orderItem->setAttribute('order_id', 2);
        $orderItem->setAttribute('item_id', 2);
        $this->assertEquals(2, $orderItem->order->id);
        $this->assertEquals(2, $orderItem->item->id);
    }

    public function testOutdatedRelationsAreResetForExistingRecords()
    {
        $orderItem = OrderItem::findOne(1);
        $this->assertEquals(1, $orderItem->order->id);
        $this->assertEquals(1, $orderItem->item->id);

        // Test `__set()`.
        $orderItem->order_id = 2;
        $orderItem->item_id = 1;
        $this->assertEquals(2, $orderItem->order->id);
        $this->assertEquals(1, $orderItem->item->id);

        // Test `setAttribute()`.
        $orderItem->setAttribute('order_id', 3);
        $orderItem->setAttribute('item_id', 1);
        $this->assertEquals(3, $orderItem->order->id);
        $this->assertEquals(1, $orderItem->item->id);
    }

    public function testOutdatedCompositeKeyRelationsAreReset()
    {
        $dossier = Dossier::findOne([
            'department_id' => 1,
            'employee_id' => 1,
        ]);
        $this->assertEquals('John Doe', $dossier->employee->fullName);

        $dossier->department_id = 2;
        $this->assertEquals('Ann Smith', $dossier->employee->fullName);

        $dossier->employee_id = 2;
        $this->assertEquals('Will Smith', $dossier->employee->fullName);

        unset($dossier->employee_id);
        $this->assertNull($dossier->employee);

        $dossier = new Dossier();
        $this->assertNull($dossier->employee);

        $dossier->employee_id = 1;
        $dossier->department_id = 2;
        $this->assertEquals('Ann Smith', $dossier->employee->fullName);

        $dossier->employee_id = 2;
        $this->assertEquals('Will Smith', $dossier->employee->fullName);
    }

    public function testOutdatedViaTableRelationsAreReset()
    {
        $order = Order::findOne(1);
        $orderItemIds = ArrayHelper::getColumn($order->items, 'id');
        sort($orderItemIds);
        $this->assertSame([1, 2], $orderItemIds);

        $order->id = 2;
        sort($orderItemIds);
        $orderItemIds = ArrayHelper::getColumn($order->items, 'id');
        $this->assertSame([3, 4, 5], $orderItemIds);

        unset($order->id);
        $this->assertSame([], $order->items);

        $order = new Order();
        $this->assertSame([], $order->items);

        $order->id = 3;
        $orderItemIds = ArrayHelper::getColumn($order->items, 'id');
        $this->assertSame([2], $orderItemIds);
    }

    public function testAlias()
    {
        $query = Order::find();
        $this->assertNull($query->from);

        $query = Order::find()->alias('o');
        $this->assertEquals(['o' => Order::tableName()], $query->from);

        $query = Order::find()->alias('o')->alias('ord');
        $this->assertEquals(['ord' => Order::tableName()], $query->from);

        $query = Order::find()->from([
            'users',
            'o' => Order::tableName(),
        ])->alias('ord');
        $this->assertEquals([
            'users',
            'ord' => Order::tableName(),
        ], $query->from);
    }

    public function testInverseOf()
    {
        // eager loading: find one and all
        $customer = Customer::find()->with('orders2')->where(['id' => 1])->one();
        $this->assertSame($customer->orders2[0]->customer2, $customer);
        $customers = Customer::find()->with('orders2')->where(['id' => [1, 3]])->all();
        $this->assertSame($customers[0]->orders2[0]->customer2, $customers[0]);
        $this->assertEmpty($customers[1]->orders2);
        // lazy loading
        $customer = Customer::findOne(2);
        $orders = $customer->orders2;
        $this->assertCount(2, $orders);
        $this->assertSame($customer->orders2[0]->customer2, $customer);
        $this->assertSame($customer->orders2[1]->customer2, $customer);
        // ad-hoc lazy loading
        $customer = Customer::findOne(2);
        $orders = $customer->getOrders2()->all();
        $this->assertCount(2, $orders);
        $this->assertTrue($orders[0]->isRelationPopulated('customer2'), 'inverse relation did not populate the relation');
        $this->assertTrue($orders[1]->isRelationPopulated('customer2'), 'inverse relation did not populate the relation');
        $this->assertSame($orders[0]->customer2, $customer);
        $this->assertSame($orders[1]->customer2, $customer);

        // the other way around
        $customer = Customer::find()->with('orders2')->where(['id' => 1])->asArray()->one();
        $this->assertSame($customer['orders2'][0]['customer2']['id'], $customer['id']);
        $customers = Customer::find()->with('orders2')->where(['id' => [1, 3]])->asArray()->all();
        $this->assertSame($customer['orders2'][0]['customer2']['id'], $customers[0]['id']);
        $this->assertEmpty($customers[1]['orders2']);

        $orders = Order::find()->with('customer2')->where(['id' => 1])->all();
        $this->assertSame($orders[0]->customer2->orders2, [$orders[0]]);
        $order = Order::find()->with('customer2')->where(['id' => 1])->one();
        $this->assertSame($order->customer2->orders2, [$order]);

        $orders = Order::find()->with('customer2')->where(['id' => 1])->asArray()->all();
        $this->assertSame($orders[0]['customer2']['orders2'][0]['id'], $orders[0]['id']);
        $order = Order::find()->with('customer2')->where(['id' => 1])->asArray()->one();
        $this->assertSame($order['customer2']['orders2'][0]['id'], $orders[0]['id']);

        $orders = Order::find()->with('customer2')->where(['id' => [1, 3]])->all();
        $this->assertSame($orders[0]->customer2->orders2, [$orders[0]]);
        $this->assertSame($orders[1]->customer2->orders2, [$orders[1]]);

        $orders = Order::find()->with('customer2')->where(['id' => [2, 3]])->orderBy('id')->all();
        $this->assertSame($orders[0]->customer2->orders2, $orders);
        $this->assertSame($orders[1]->customer2->orders2, $orders);

        $orders = Order::find()->with('customer2')->where(['id' => [2, 3]])->orderBy('id')->asArray()->all();
        $this->assertSame($orders[0]['customer2']['orders2'][0]['id'], $orders[0]['id']);
        $this->assertSame($orders[0]['customer2']['orders2'][1]['id'], $orders[1]['id']);
        $this->assertSame($orders[1]['customer2']['orders2'][0]['id'], $orders[0]['id']);
        $this->assertSame($orders[1]['customer2']['orders2'][1]['id'], $orders[1]['id']);
    }

    public function testInverseOfDynamic()
    {
        $customer = Customer::findOne(1);

        // request the inverseOf relation without explicitly (eagerly) loading it
        $orders2 = $customer->getOrders2()->all();
        $this->assertSame($customer, $orders2[0]->customer2);

        $orders2 = $customer->getOrders2()->one();
        $this->assertSame($customer, $orders2->customer2);

        // request the inverseOf relation while also explicitly eager loading it (while possible, this is of course redundant)
        $orders2 = $customer->getOrders2()->with('customer2')->all();
        $this->assertSame($customer, $orders2[0]->customer2);

        $orders2 = $customer->getOrders2()->with('customer2')->one();
        $this->assertSame($customer, $orders2->customer2);

        // request the inverseOf relation as array
        $orders2 = $customer->getOrders2()->asArray()->all();
        $this->assertEquals($customer['id'], $orders2[0]['customer2']['id']);

        $orders2 = $customer->getOrders2()->asArray()->one();
        $this->assertEquals($customer['id'], $orders2['customer2']['id']);
    }

    public function testDefaultValues()
    {
        $model = new Type();
        $model->loadDefaultValues();
        $this->assertEquals(1, $model->int_col2);
        $this->assertEquals('something', $model->char_col2);
        $this->assertEquals(1.23, $model->float_col2);
        $this->assertEquals(33.22, $model->numeric_col);
        $this->assertEquals(true, $model->bool_col2);
        if ($this instanceof CubridActiveRecordTest) {
            // cubrid has non-standard timestamp representation
            $this->assertEquals('12:00:00 AM 01/01/2002', $model->time);
        } else {
            $this->assertEquals('2002-01-01 00:00:00', $model->time);
        }

        $model = new Type();
        $model->char_col2 = 'not something';
        $model->loadDefaultValues();
        $this->assertEquals('not something', $model->char_col2);

        $model = new Type();
        $model->char_col2 = 'not something';
        $model->loadDefaultValues(false);
        $this->assertEquals('something', $model->char_col2);

        // Cropped model with 2 attributes/columns
        $model = new CroppedType();
        $model->loadDefaultValues();
        $this->assertEquals(['int_col2' => 1], $model->toArray());
    }

    public function testUnlinkAllViaTable()
    {
        /* @var $orderClass ActiveRecordInterface */
        $orderClass = $this->getOrderClass();
        /* @var $orderItemClass ActiveRecordInterface */
        $orderItemClass = $this->getOrderItemClass();
        /* @var $itemClass ActiveRecordInterface */
        $itemClass = $this->getItemClass();
        /* @var $orderItemsWithNullFKClass ActiveRecordInterface */
        $orderItemsWithNullFKClass = $this->getOrderItemWithNullFKmClass();

        // via table with delete
        /* @var $order  Order */
        $order = $orderClass::findOne(1);
        $this->assertCount(2, $order->booksViaTable);
        $orderItemCount = $orderItemClass::find()->count();
        $this->assertEquals(5, $itemClass::find()->count());
        $order->unlinkAll('booksViaTable', true);
        $this->afterSave();
        $this->assertEquals(5, $itemClass::find()->count());
        $this->assertEquals($orderItemCount - 2, $orderItemClass::find()->count());
        $this->assertCount(0, $order->booksViaTable);

        // via table without delete
        $this->assertCount(2, $order->booksWithNullFKViaTable);
        $orderItemCount = $orderItemsWithNullFKClass::find()->count();
        $this->assertEquals(5, $itemClass::find()->count());
        $order->unlinkAll('booksWithNullFKViaTable', false);
        $this->assertCount(0, $order->booksWithNullFKViaTable);
        $this->assertEquals(2, $orderItemsWithNullFKClass::find()->where(['AND', ['item_id' => [1, 2]], ['order_id' => null]])->count());
        $this->assertEquals($orderItemCount, $orderItemsWithNullFKClass::find()->count());
        $this->assertEquals(5, $itemClass::find()->count());
    }

    /**
     * @requires PHP 5.6
     */
    public function testCastValues()
    {
        $model = new Type();
        $model->int_col = 123;
        $model->int_col2 = 456;
        $model->smallint_col = 42;
        $model->char_col = '1337';
        $model->char_col2 = 'test';
        $model->char_col3 = 'test123';
        $model->float_col = 3.742;
        $model->float_col2 = 42.1337;
        $model->bool_col = true;
        $model->bool_col2 = false;
        $model->save(false);

        /* @var $model Type */
        $model = Type::find()->one();
        $this->assertSame(123, $model->int_col);
        $this->assertSame(456, $model->int_col2);
        $this->assertSame(42, $model->smallint_col);
        $this->assertSame('1337', trim($model->char_col));
        $this->assertSame('test', $model->char_col2);
        $this->assertSame('test123', $model->char_col3);
//        $this->assertSame(1337.42, $model->float_col);
//        $this->assertSame(42.1337, $model->float_col2);
//        $this->assertSame(true, $model->bool_col);
//        $this->assertSame(false, $model->bool_col2);
    }

    public function testIssues()
    {
        // https://github.com/yiisoft/yii2/issues/4938
        $category = Category::findOne(2);
        $this->assertInstanceOf(Category::className(), $category);
        $this->assertEquals(3, $category->getItems()->count());
        $this->assertEquals(1, $category->getLimitedItems()->count());
        $this->assertEquals(1, $category->getLimitedItems()->distinct(true)->count());

        // https://github.com/yiisoft/yii2/issues/3197
        $orders = Order::find()->with('orderItems')->orderBy('id')->all();
        $this->assertCount(3, $orders);
        $this->assertCount(2, $orders[0]->orderItems);
        $this->assertCount(3, $orders[1]->orderItems);
        $this->assertCount(1, $orders[2]->orderItems);
        $orders = Order::find()
            ->with([
                'orderItems' => function ($q) {
                    $q->indexBy('item_id');
                },
            ])
            ->orderBy('id')
            ->all();
        $this->assertCount(3, $orders);
        $this->assertCount(2, $orders[0]->orderItems);
        $this->assertCount(3, $orders[1]->orderItems);
        $this->assertCount(1, $orders[2]->orderItems);

        // https://github.com/yiisoft/yii2/issues/8149
        $model = new Customer();
        $model->name = 'test';
        $model->email = 'test';
        $model->save(false);
        $model->updateCounters(['status' => 1]);
        $this->assertEquals(1, $model->status);
    }

    public function testPopulateRecordCallWhenQueryingOnParentClass()
    {
        (new Cat())->save(false);
        (new Dog())->save(false);

        $animal = Animal::find()->where(['type' => Dog::className()])->one();
        $this->assertEquals('bark', $animal->getDoes());

        $animal = Animal::find()->where(['type' => Cat::className()])->one();
        $this->assertEquals('meow', $animal->getDoes());
    }

    public function testSaveEmpty()
    {
        $record = new NullValues();
        $this->assertTrue($record->save(false));
        $this->assertEquals(1, $record->id);
    }

    public function testOptimisticLock()
    {
        /* @var $record Document */

        $record = Document::findOne(1);
        $record->content = 'New Content';
        $record->save(false);
        $this->assertEquals(1, $record->version);

        $record = Document::findOne(1);
        $record->content = 'Rewrite attempt content';
        $record->version = 0;
        $this->expectException('yii\db\StaleObjectException');
        $record->save(false);
    }

    public function testPopulateWithoutPk()
    {
        // tests with single pk asArray
        $aggregation = Customer::find()
            ->select(['{{customer}}.[[status]]', 'SUM({{order}}.[[total]]) AS [[sumtotal]]'])
            ->joinWith('ordersPlain', false)
            ->groupBy('{{customer}}.[[status]]')
            ->orderBy('status')
            ->asArray()
            ->all();

        $expected = [
            [
                'status' => 1,
                'sumtotal' => 183,
            ],
            [
                'status' => 2,
                'sumtotal' => 0,
            ],
        ];
        $this->assertEquals($expected, $aggregation);

        // tests with single pk asArray with eager loading
        $aggregation = Customer::find()
            ->select(['{{customer}}.[[status]]', 'SUM({{order}}.[[total]]) AS [[sumtotal]]'])
            ->joinWith('ordersPlain')
            ->groupBy('{{customer}}.[[status]]')
            ->orderBy('status')
            ->asArray()
            ->all();

        $expected = [
            [
                'status' => 1,
                'sumtotal' => 183,
                'ordersPlain' => [],
            ],
            [
                'status' => 2,
                'sumtotal' => 0,
                'ordersPlain' => [],
            ],
        ];
        $this->assertEquals($expected, $aggregation);

        // tests with single pk with Models
        $aggregation = Customer::find()
            ->select(['{{customer}}.[[status]]', 'SUM({{order}}.[[total]]) AS [[sumTotal]]'])
            ->joinWith('ordersPlain', false)
            ->groupBy('{{customer}}.[[status]]')
            ->orderBy('status')
            ->all();
        $this->assertCount(2, $aggregation);
        $this->assertContainsOnlyInstancesOf(Customer::className(), $aggregation);
        foreach ($aggregation as $item) {
            if ($item->status == 1) {
                $this->assertEquals(183, $item->sumTotal);
            } elseif ($item->status == 2) {
                $this->assertEquals(0, $item->sumTotal);
            }
        }

        // tests with composite pk asArray
        $aggregation = OrderItem::find()
            ->select(['[[order_id]]', 'SUM([[subtotal]]) AS [[subtotal]]'])
            ->joinWith('order', false)
            ->groupBy('[[order_id]]')
            ->orderBy('[[order_id]]')
            ->asArray()
            ->all();
        $expected = [
            [
                'order_id' => 1,
                'subtotal' => 70,
            ],
            [
                'order_id' => 2,
                'subtotal' => 33,
            ],
            [
                'order_id' => 3,
                'subtotal' => 40,
            ],
        ];
        $this->assertEquals($expected, $aggregation);

        // tests with composite pk with Models
        $aggregation = OrderItem::find()
            ->select(['[[order_id]]', 'SUM([[subtotal]]) AS [[subtotal]]'])
            ->joinWith('order', false)
            ->groupBy('[[order_id]]')
            ->orderBy('[[order_id]]')
            ->all();
        $this->assertCount(3, $aggregation);
        $this->assertContainsOnlyInstancesOf(OrderItem::className(), $aggregation);
        foreach ($aggregation as $item) {
            if ($item->order_id == 1) {
                $this->assertEquals(70, $item->subtotal);
            } elseif ($item->order_id == 2) {
                $this->assertEquals(33, $item->subtotal);
            } elseif ($item->order_id == 3) {
                $this->assertEquals(40, $item->subtotal);
            }
        }
    }

    /**
     * @see https://github.com/yiisoft/yii2/issues/9006
     */
    public function testBit()
    {
        $falseBit = BitValues::findOne(1);
        $this->assertEquals(false, $falseBit->val);

        $trueBit = BitValues::findOne(2);
        $this->assertEquals(true, $trueBit->val);
    }

    public function testLinkWhenRelationIsIndexed2()
    {
        $order = Order::find()
            ->with('orderItems2')
            ->where(['id' => 1])
            ->one();
        $orderItem = new OrderItem([
            'order_id' => $order->id,
            'item_id' => 3,
            'quantity' => 1,
            'subtotal' => 10.0,
        ]);
        $order->link('orderItems2', $orderItem);
        $this->assertTrue(isset($order->orderItems2['3']));
    }

    public function testLinkWhenRelationIsIndexed3()
    {
        $order = Order::find()
            ->with('orderItems3')
            ->where(['id' => 1])
            ->one();
        $orderItem = new OrderItem([
            'order_id' => $order->id,
            'item_id' => 3,
            'quantity' => 1,
            'subtotal' => 10.0,
        ]);
        $order->link('orderItems3', $orderItem);
        $this->assertTrue(isset($order->orderItems3['1_3']));
    }

    public function testUpdateAttributes()
    {
        $order = Order::findOne(1);
        $newTotal = 978;
        $this->assertSame(1, $order->updateAttributes(['total' => $newTotal]));
        $this->assertEquals($newTotal, $order->total);
        $order = Order::findOne(1);
        $this->assertEquals($newTotal, $order->total);

        // @see https://github.com/yiisoft/yii2/issues/12143
        $newOrder = new Order();
        $this->assertTrue($newOrder->getIsNewRecord());
        $newTotal = 200;
        $this->assertSame(0, $newOrder->updateAttributes(['total' => $newTotal]));
        $this->assertTrue($newOrder->getIsNewRecord());
        $this->assertEquals($newTotal, $newOrder->total);
    }

    public function testEmulateExecution()
    {
        $this->assertGreaterThan(0, Customer::find()->count());

        $rows = Customer::find()
            ->emulateExecution()
            ->all();
        $this->assertSame([], $rows);

        $row = Customer::find()
            ->emulateExecution()
            ->one();
        $this->assertNull($row);

        $exists = Customer::find()
            ->emulateExecution()
            ->exists();
        $this->assertFalse($exists);

        $count = Customer::find()
            ->emulateExecution()
            ->count();
        $this->assertSame(0, $count);

        $sum = Customer::find()
            ->emulateExecution()
            ->sum('id');
        $this->assertSame(0, $sum);

        $sum = Customer::find()
            ->emulateExecution()
            ->average('id');
        $this->assertSame(0, $sum);

        $max = Customer::find()
            ->emulateExecution()
            ->max('id');
        $this->assertNull($max);

        $min = Customer::find()
            ->emulateExecution()
            ->min('id');
        $this->assertNull($min);

        $scalar = Customer::find()
            ->select(['id'])
            ->emulateExecution()
            ->scalar();
        $this->assertNull($scalar);

        $column = Customer::find()
            ->select(['id'])
            ->emulateExecution()
            ->column();
        $this->assertSame([], $column);
    }

    /**
     * @see https://github.com/yiisoft/yii2/issues/12213
     */
    public function testUnlinkAllOnCondition()
    {
        /** @var Category $categoryClass */
        $categoryClass = $this->getCategoryClass();
        /** @var Item $itemClass */
        $itemClass = $this->getItemClass();

        // Ensure there are three items with category_id = 2 in the Items table
        $itemsCount = $itemClass::find()->where(['category_id' => 2])->count();
        $this->assertEquals(3, $itemsCount);

        $categoryQuery = $categoryClass::find()->with('limitedItems')->where(['id' => 2]);
        // Ensure that limitedItems relation returns only one item
        // (category_id = 2 and id in (1,2,3))
        $category = $categoryQuery->one();
        $this->assertCount(1, $category->limitedItems);

        // Unlink all items in the limitedItems relation
        $category->unlinkAll('limitedItems', true);

        // Make sure that only one item was unlinked
        $itemsCount = $itemClass::find()->where(['category_id' => 2])->count();
        $this->assertEquals(2, $itemsCount);

        // Call $categoryQuery again to ensure no items were found
        $this->assertCount(0, $categoryQuery->one()->limitedItems);
    }

    /**
     * @see https://github.com/yiisoft/yii2/issues/12213
     */
    public function testUnlinkAllOnConditionViaTable()
    {
        /** @var Order $orderClass */
        $orderClass = $this->getOrderClass();
        /** @var Item $itemClass */
        $itemClass = $this->getItemClass();

        // Ensure there are three items with category_id = 2 in the Items table
        $itemsCount = $itemClass::find()->where(['category_id' => 2])->count();
        $this->assertEquals(3, $itemsCount);

        $orderQuery = $orderClass::find()->with('limitedItems')->where(['id' => 2]);
        // Ensure that limitedItems relation returns only one item
        // (category_id = 2 and id in (4, 5))
        $category = $orderQuery->one();
        $this->assertCount(2, $category->limitedItems);

        // Unlink all items in the limitedItems relation
        $category->unlinkAll('limitedItems', true);

        // Call $orderQuery again to ensure that links are removed
        $this->assertCount(0, $orderQuery->one()->limitedItems);

        // Make sure that only links were removed, the items were not removed
        $this->assertEquals(3, $itemClass::find()->where(['category_id' => 2])->count());
    }

    /**
     * https://github.com/yiisoft/yii2/pull/13891
     */
    public function testIndexByAfterLoadingRelations()
    {
        $orderClass = $this->getOrderClass();

        $orderClass::find()->with('customer')->indexBy(function(Order $order) {
            $this->assertTrue($order->isRelationPopulated('customer'));
            $this->assertNotEmpty($order->customer->id);

            return $order->customer->id;
        })->all();

        $orders = $orderClass::find()->with('customer')->indexBy('customer.id')->all();
        foreach ($orders as $customer_id => $order) {
            $this->assertEquals($customer_id, $order->customer_id);
        }
    }

    /**
     * Verify that {{}} are not going to be replaced in parameters.
     */
    public function testNoTablenameReplacement()
    {
        /** @var Customer $customer */
        $class = $this->getCustomerClass();
        $customer = new $class();
        $customer->name = 'Some {{weird}} name';
        $customer->email = 'test@example.com';
        $customer->address = 'Some {{%weird}} address';
        $customer->insert(false);
        $customer->refresh();

        $this->assertEquals('Some {{weird}} name', $customer->name);
        $this->assertEquals('Some {{%weird}} address', $customer->address);

        $customer->name = 'Some {{updated}} name';
        $customer->address = 'Some {{%updated}} address';
        $customer->update(false);

        $this->assertEquals('Some {{updated}} name', $customer->name);
        $this->assertEquals('Some {{%updated}} address', $customer->address);
    }

    /**
     * Ensure no ambiguous column error occurs if ActiveQuery adds a JOIN.
     *
     * @see https://github.com/yiisoft/yii2/issues/13757
     */
    public function testAmbiguousColumnFindOne()
    {
        CustomerQuery::$joinWithProfile = true;
        $model = Customer::findOne(1);
        $this->assertTrue($model->refresh());
        CustomerQuery::$joinWithProfile = false;
    }

    public function testFindOneByColumnName()
    {
        $model = Customer::findOne(['id' => 1]);
        $this->assertEquals(1, $model->id);

        CustomerQuery::$joinWithProfile = true;
        $model = Customer::findOne(['customer.id' => 1]);
        $this->assertEquals(1, $model->id);
        CustomerQuery::$joinWithProfile = false;
    }

    /**
     * @dataProvider filterTableNamesFromAliasesProvider
     * @param $fromParams
     * @param $expectedAliases
     * @throws \yii\base\InvalidConfigException
     */
    public function testFilterTableNamesFromAliases($fromParams, $expectedAliases)
    {
        $query = Customer::find()->from($fromParams);
        $aliases = $this->invokeMethod(\Yii::createObject(Customer::className()), 'filterValidAliases', [$query]);

        $this->assertEquals($expectedAliases, $aliases);
    }

    public function filterTableNamesFromAliasesProvider()
    {
        return [
            'table name as string'         => ['customer', []],
            'table name as array'          => [['customer'], []],
            'table names'                  => [['customer', 'order'], []],
            'table name and a table alias' => [['customer', 'ord' => 'order'], ['ord']],
            'table alias'                  => [['csr' => 'customer'], ['csr']],
            'table aliases'                => [['csr' => 'customer', 'ord' => 'order'], ['csr', 'ord']],
        ];
    }

    public function legalValuesForFindByCondition()
    {
        return [
            [Customer::className(), ['id' => 1]],
            [Customer::className(), ['customer.id' => 1]],
            [Customer::className(), ['[[id]]' => 1]],
            [Customer::className(), ['{{customer}}.[[id]]' => 1]],
            [Customer::className(), ['{{%customer}}.[[id]]' => 1]],

            [CustomerWithAlias::className(), ['id' => 1]],
            [CustomerWithAlias::className(), ['customer.id' => 1]],
            [CustomerWithAlias::className(), ['[[id]]' => 1]],
            [CustomerWithAlias::className(), ['{{customer}}.[[id]]' => 1]],
            [CustomerWithAlias::className(), ['{{%customer}}.[[id]]' => 1]],
            [CustomerWithAlias::className(), ['csr.id' => 1]],
            [CustomerWithAlias::className(), ['{{csr}}.[[id]]' => 1]],
        ];
    }

    /**
     * @dataProvider legalValuesForFindByCondition
     */
    public function testLegalValuesForFindByCondition($modelClassName, $validFilter)
    {
        /** @var Query $query */
        $query = $this->invokeMethod(\Yii::createObject($modelClassName), 'findByCondition', [$validFilter]);
        Customer::getDb()->queryBuilder->build($query);
    }

    public function illegalValuesForFindByCondition()
    {
        return [
            [Customer::className(), [['`id`=`id` and 1' => 1]]],
            [Customer::className(), [[
                'legal' => 1,
                '`id`=`id` and 1' => 1,
            ]]],
            [Customer::className(), [[
                'nested_illegal' => [
                    'false or 1=' => 1
                ]
            ]]],
            [Customer::className(), [['true--' => 1]]],

            [CustomerWithAlias::className(), [['`csr`.`id`=`csr`.`id` and 1' => 1]]],
            [CustomerWithAlias::className(), [[
                'legal' => 1,
                '`csr`.`id`=`csr`.`id` and 1' => 1,
            ]]],
            [CustomerWithAlias::className(), [[
                'nested_illegal' => [
                    'false or 1=' => 1
                ]
            ]]],
            [CustomerWithAlias::className(), [['true--' => 1]]],
        ];
    }

    /**
     * @dataProvider illegalValuesForFindByCondition
     */
    public function testValueEscapingInFindByCondition($modelClassName, $filterWithInjection)
    {
        $this->expectException('yii\base\InvalidArgumentException');
        $this->expectExceptionMessageRegExp('/^Key "(.+)?" is not a column name and can not be used as a filter$/');
        /** @var Query $query */
        $query = $this->invokeMethod(\Yii::createObject($modelClassName), 'findByCondition', $filterWithInjection);
        Customer::getDb()->queryBuilder->build($query);
    }

    /**
     * Ensure no ambiguous column error occurs on indexBy with JOIN.
     *
     * @see https://github.com/yiisoft/yii2/issues/13859
     */
    public function testAmbiguousColumnIndexBy()
    {
        switch ($this->driverName) {
            case 'pgsql':
            case 'sqlite':
                $selectExpression = "(customer.name || ' in ' || p.description) AS name";
                break;
            case 'cubird':
            case 'mysql':
                $selectExpression = "concat(customer.name,' in ', p.description) name";
                break;
            default:
                $this->markTestIncomplete('CONCAT syntax for this DBMS is not added to the test yet.');
        }

        $result = Customer::find()->select([$selectExpression])
            ->innerJoinWith('profile p')
            ->indexBy('id')->column();
        $this->assertEquals([
            1 => 'user1 in profile customer 1',
            3 => 'user3 in profile customer 3',
        ], $result);
    }

    /**
     * @see https://github.com/yiisoft/yii2/issues/5786
     *
     * @depends testJoinWith
     */
    public function testFindWithConstructors()
    {
        /** @var OrderWithConstructor[] $orders */
        $orders = OrderWithConstructor::find()
            ->with(['customer.profile', 'orderItems'])
            ->orderBy('id')
            ->all();

        $this->assertCount(3, $orders);
        $order = $orders[0];
        $this->assertEquals(1, $order->id);

        $this->assertNotNull($order->customer);
        $this->assertInstanceOf(CustomerWithConstructor::className(), $order->customer);
        $this->assertEquals(1, $order->customer->id);

        $this->assertNotNull($order->customer->profile);
        $this->assertInstanceOf(ProfileWithConstructor::className(), $order->customer->profile);
        $this->assertEquals(1, $order->customer->profile->id);

        $this->assertNotNull($order->customerJoinedWithProfile);
        $customerWithProfile = $order->customerJoinedWithProfile;
        $this->assertInstanceOf(CustomerWithConstructor::className(), $customerWithProfile);
        $this->assertEquals(1, $customerWithProfile->id);

        $this->assertNotNull($customerProfile = $customerWithProfile->profile);
        $this->assertInstanceOf(ProfileWithConstructor::className(), $customerProfile);
        $this->assertEquals(1, $customerProfile->id);

        $this->assertCount(2, $order->orderItems);

        $item = $order->orderItems[0];
        $this->assertInstanceOf(OrderItemWithConstructor::className(), $item);

        $this->assertEquals(1, $item->item_id);

        // @see https://github.com/yiisoft/yii2/issues/15540
        $orders = OrderWithConstructor::find()
            ->with(['customer.profile', 'orderItems'])
            ->orderBy('id')
            ->asArray(true)
            ->all();
        $this->assertCount(3, $orders);
    }

    public function testCustomARRelation()
    {
        $orderItem = OrderItem::findOne(1);
        $this->assertInstanceOf(Order::className(), $orderItem->custom);
    }


    public function testRefresh_querySetAlias_findRecord()
    {
        $customer = new \yiiunit\data\ar\CustomerWithAlias();
        $customer->id = 1;

        $customer->refresh();

        $this->assertEquals(1, $customer->id);
    }

    public function testResetNotSavedRelation()
    {
        $order = new Order();
        $order->customer_id = 1;
        $order->total = 0;

        $orderItem = new OrderItem();
        $order->orderItems;
        $order->populateRelation('orderItems', [$orderItem]);
        $order->save();

        $this->assertEquals(1, sizeof($order->orderItems));
    }

    public function testIssetException()
    {
        $cat = new Cat();
        $this->assertFalse(isset($cat->exception));
    }

    /**
     * @requires PHP 7
     */
    public function testIssetThrowable()
    {
        $cat = new Cat();
        $this->assertFalse(isset($cat->throwable));

    }

    /**
     * @see https://github.com/yiisoft/yii2/issues/15482
     */
    public function testEagerLoadingUsingStringIdentifiers()
    {
        if (!in_array($this->driverName, ['mysql', 'pgsql', 'sqlite'])) {
            $this->markTestSkipped('This test has fixtures only for databases MySQL, PostgreSQL and SQLite.');
        }

        $betas = Beta::find()->with('alpha')->all();
        $this->assertNotEmpty($betas);

        $alphaIdentifiers = [];

        /** @var Beta[] $betas */
        foreach ($betas as $beta) {
            $this->assertNotNull($beta->alpha);
            $this->assertEquals($beta->alpha_string_identifier, $beta->alpha->string_identifier);
            $alphaIdentifiers[] = $beta->alpha->string_identifier;
        }

        $this->assertEquals(['1', '01', '001', '001', '2', '2b', '2b', '02'], $alphaIdentifiers);
    }

    /**
     * @see https://github.com/yiisoft/yii2/issues/16492
     */
    public function testEagerLoadingWithTypeCastedCompositeIdentifier()
    {
        $aggregation = Order::find()->joinWith('quantityOrderItems', true)->all();
        foreach ($aggregation as $item) {
            if ($item->id == 1) {
                $this->assertEquals(1, $item->quantityOrderItems[0]->order_id);
            } elseif ($item->id != 1) {
                $this->assertCount(0, $item->quantityOrderItems);
            }
        }
    }

    public function providerForUnlinkDelete()
    {
        return [
            'with delete' => [true, 0],
            'without delete' => [false, 1],
        ];
    }

    /**
     * @dataProvider providerForUnlinkDelete
     * @see https://github.com/yiisoft/yii2/issues/17174
     */
    public function testUnlinkWithViaOnCondition($delete, $count)
    {
        /* @var $orderClass ActiveRecordInterface */
        $orderClass = $this->getOrderClass();

        $order = $orderClass::findOne(2);
        $this->assertCount(1, $order->itemsFor8);
        $order->unlink('itemsFor8', $order->itemsFor8[0], $delete);

        $order = $orderClass::findOne(2);
        $this->assertCount(0, $order->itemsFor8);
        $this->assertCount(2, $order->orderItemsWithNullFK);

        /* @var $orderItemClass ActiveRecordInterface */
        $orderItemClass = $this->getOrderItemWithNullFKmClass();
        $this->assertCount(1, $orderItemClass::findAll([
            'order_id' => 2,
            'item_id' => 5,
        ]));
        $this->assertCount($count, $orderItemClass::findAll([
            'order_id' => null,
            'item_id' => null,
        ]));
    }
}