yii2/tests/unit/framework/db/ConnectionTest.php

<?php

namespace yiiunit\framework\db;

use yii\db\Connection;

/**
 * @group db
 * @group mysql
 */
class ConnectionTest extends DatabaseTestCase
{
    public function testConstruct()
    {
        $connection = $this->getConnection(false);
        $params = $this->database;

        $this->assertEquals($params['dsn'], $connection->dsn);
        $this->assertEquals($params['username'], $connection->username);
        $this->assertEquals($params['password'], $connection->password);
    }

    public function testOpenClose()
    {
        $connection = $this->getConnection(false, false);

        $this->assertFalse($connection->isActive);
        $this->assertEquals(null, $connection->pdo);

        $connection->open();
        $this->assertTrue($connection->isActive);
        $this->assertTrue($connection->pdo instanceof \PDO);

        $connection->close();
        $this->assertFalse($connection->isActive);
        $this->assertEquals(null, $connection->pdo);

        $connection = new Connection;
        $connection->dsn = 'unknown::memory:';
        $this->setExpectedException('yii\db\Exception');
        $connection->open();
    }

    public function testGetDriverName()
    {
        $connection = $this->getConnection(false, false);
        $this->assertEquals($this->driverName, $connection->driverName);
    }

    public function testQuoteValue()
    {
        $connection = $this->getConnection(false);
        $this->assertEquals(123, $connection->quoteValue(123));
        $this->assertEquals("'string'", $connection->quoteValue('string'));
        $this->assertEquals("'It\\'s interesting'", $connection->quoteValue("It's interesting"));
    }

    public function testQuoteTableName()
    {
        $connection = $this->getConnection(false);
        $this->assertEquals('`table`', $connection->quoteTableName('table'));
        $this->assertEquals('`table`', $connection->quoteTableName('`table`'));
        $this->assertEquals('`schema`.`table`', $connection->quoteTableName('schema.table'));
        $this->assertEquals('`schema`.`table`', $connection->quoteTableName('schema.`table`'));
        $this->assertEquals('{{table}}', $connection->quoteTableName('{{table}}'));
        $this->assertEquals('(table)', $connection->quoteTableName('(table)'));
    }

    public function testQuoteColumnName()
    {
        $connection = $this->getConnection(false);
        $this->assertEquals('`column`', $connection->quoteColumnName('column'));
        $this->assertEquals('`column`', $connection->quoteColumnName('`column`'));
        $this->assertEquals('`table`.`column`', $connection->quoteColumnName('table.column'));
        $this->assertEquals('`table`.`column`', $connection->quoteColumnName('table.`column`'));
        $this->assertEquals('[[column]]', $connection->quoteColumnName('[[column]]'));
        $this->assertEquals('{{column}}', $connection->quoteColumnName('{{column}}'));
        $this->assertEquals('(column)', $connection->quoteColumnName('(column)'));
    }
}