<?php
/* vim: set expandtab sw=4 ts=4 sts=4: */
/**
 * Test for faked database access
 *
 * @package PhpMyAdmin-test
 */

use PMA\libraries\DatabaseInterface;
use PMA\libraries\Util;

require_once 'test/PMATestCase.php';

/**
 * Tests basic functionality of dummy dbi driver
 *
 * @package PhpMyAdmin-test
 */
class DatabaseInterfaceTest extends PMATestCase
{

    private $_dbi;

    /**
     * Configures test parameters.
     *
     * @return void
     */
    function setup()
    {
        $extension = new PMA\libraries\dbi\DBIDummy();
        $this->_dbi = new PMA\libraries\DatabaseInterface($extension);
    }

    /**
     * Tests for DBI::getCurrentUser() method.
     *
     * @return void
     * @test
     * @dataProvider currentUserData
     */
    public function testGetCurrentUser($value, $string, $expected)
    {
        Util::cacheUnset('mysql_cur_user');

        $extension = new PMA\libraries\dbi\DBIDummy();
        $extension->setResult('SELECT CURRENT_USER();', $value);

        $dbi = new PMA\libraries\DatabaseInterface($extension);

        $this->assertEquals(
            $expected,
            $dbi->getCurrentUserAndHost()
        );

        $this->assertEquals(
            $string,
            $dbi->getCurrentUser()
        );
    }

    /**
     * Data provider for getCurrentUser() tests.
     *
     * @return array
     */
    public function currentUserData()
    {
        return array(
            array(array(array('pma@localhost')), 'pma@localhost', array('pma', 'localhost')),
            array(array(array('@localhost')), '@localhost', array('', 'localhost')),
            array(false, '@', array('', '')),
        );
    }

    /**
     * Tests for DBI::getColumnMapFromSql() method.
     *
     * @return void
     * @test
     */
    public function testPMAGetColumnMap()
    {
        $extension = $this->getMockBuilder('PMA\libraries\dbi\DBIDummy')
            ->disableOriginalConstructor()
            ->getMock();

        $extension->expects($this->any())
            ->method('realQuery')
            ->will($this->returnValue(true));

        $meta1 = new FieldMeta();
        $meta1->table = "meta1_table";
        $meta1->name = "meta1_name";

        $meta2 = new FieldMeta();
        $meta2->table = "meta2_table";
        $meta2->name = "meta2_name";

        $extension->expects($this->any())
            ->method('getFieldsMeta')
            ->will(
                $this->returnValue(
                    array(
                        $meta1, $meta2
                    )
                )
            );

        $dbi = new PMA\libraries\DatabaseInterface($extension);

        $sql_query = "PMA_sql_query";
        $view_columns = array(
            "view_columns1", "view_columns2"
        );

        $column_map = $dbi->getColumnMapFromSql(
            $sql_query, $view_columns
        );

        $this->assertEquals(
            array(
                'table_name' => 'meta1_table',
                'refering_column' => 'meta1_name',
                'real_column' => 'view_columns1'
            ),
            $column_map[0]
        );
        $this->assertEquals(
            array(
                'table_name' => 'meta2_table',
                'refering_column' => 'meta2_name',
                'real_column' => 'view_columns2'
            ),
            $column_map[1]
        );
    }

    /**
     * Tests for DBI::getSystemDatabase() method.
     *
     * @return void
     * @test
     */
    public function testGetSystemDatabase()
    {
        $sd = $this->_dbi->getSystemDatabase();
        $this->assertInstanceOf('PMA\libraries\SystemDatabase', $sd);
    }

    /**
     * Test for getDbCollation
     *
     * @return void
     * @test
     */
    public function testGetDbCollation()
    {
        $GLOBALS['server'] = 1;
        // test case for system schema
        $this->assertEquals(
            'utf8_general_ci',
            $this->_dbi->getDbCollation("information_schema")
        );

        $GLOBALS['cfg']['Server']['DisableIS'] = false;
        $GLOBALS['cfg']['DBG']['sql'] = false;

        $this->assertEquals(
            'utf8_general_ci',
            $this->_dbi->getDbCollation('pma_test')
        );
    }

    /**
     * Test for getServerCollation
     *
     * @return void
     * @test
     */
    public function testGetServerCollation()
    {
        $GLOBALS['server'] = 1;
        $GLOBALS['cfg']['DBG']['sql'] = true;
        $this->assertEquals('utf8_general_ci', $this->_dbi->getServerCollation());
    }

    /**
     * Test for getConnectionParams
     *
     * @param array      $server_cfg Server configuration
     * @param integer    $mode       Mode to test
     * @param array|null $server     Server array to test
     * @param array      $expected   Expected result
     *
     * @return void
     *
     * @dataProvider connectionParams
     */
    public function testGetConnectionParams($server_cfg, $mode, $server, $expected)
    {
        $GLOBALS['cfg']['Server'] = $server_cfg;
        $result = $this->_dbi->getConnectionParams($mode, $server);
        $this->assertEquals($expected, $result);
    }

    /**
     * Data provider for getConnectionParams test
     *
     * @return array
     */
    public function connectionParams()
    {
        $cfg_basic = array(
            'user' => 'u',
            'password' => 'pass',
            'host' => '',
            'controluser' => 'u2',
            'controlpass' => 'p2',
        );
        $cfg_ssl = array(
            'user' => 'u',
            'password' => 'pass',
            'host' => '',
            'ssl' => true,
            'controluser' => 'u2',
            'controlpass' => 'p2',
        );
        $cfg_control_ssl = array(
            'user' => 'u',
            'password' => 'pass',
            'host' => '',
            'control_ssl' => true,
            'controluser' => 'u2',
            'controlpass' => 'p2',
        );
        return array(
            array(
                $cfg_basic,
                DatabaseInterface::CONNECT_USER,
                null,
                array(
                    'u',
                    'pass',
                    array(
                        'user' => 'u',
                        'password' => 'pass',
                        'host' => 'localhost',
                        'socket' => null,
                        'port' => 0,
                        'ssl' => false,
                        'compress' => false,
                        'controluser' => 'u2',
                        'controlpass' => 'p2',
                    )
                ),
            ),
            array(
                $cfg_basic,
                DatabaseInterface::CONNECT_CONTROL,
                null,
                array(
                    'u2',
                    'p2',
                    array(
                        'host' => 'localhost',
                        'socket' => null,
                        'port' => 0,
                        'ssl' => false,
                        'compress' => false,
                    )
                ),
            ),
            array(
                $cfg_ssl,
                DatabaseInterface::CONNECT_USER,
                null,
                array(
                    'u',
                    'pass',
                    array(
                        'user' => 'u',
                        'password' => 'pass',
                        'host' => 'localhost',
                        'socket' => null,
                        'port' => 0,
                        'ssl' => true,
                        'compress' => false,
                        'controluser' => 'u2',
                        'controlpass' => 'p2',
                    )
                ),
            ),
            array(
                $cfg_ssl,
                DatabaseInterface::CONNECT_CONTROL,
                null,
                array(
                    'u2',
                    'p2',
                    array(
                        'host' => 'localhost',
                        'socket' => null,
                        'port' => 0,
                        'ssl' => true,
                        'compress' => false,
                    )
                ),
            ),
            array(
                $cfg_control_ssl,
                DatabaseInterface::CONNECT_USER,
                null,
                array(
                    'u',
                    'pass',
                    array(
                        'user' => 'u',
                        'password' => 'pass',
                        'host' => 'localhost',
                        'socket' => null,
                        'port' => 0,
                        'ssl' => false,
                        'compress' => false,
                        'controluser' => 'u2',
                        'controlpass' => 'p2',
                        'control_ssl' => true,
                    )
                ),
            ),
            array(
                $cfg_control_ssl,
                DatabaseInterface::CONNECT_CONTROL,
                null,
                array(
                    'u2',
                    'p2',
                    array(
                        'host' => 'localhost',
                        'socket' => null,
                        'port' => 0,
                        'ssl' => true,
                        'compress' => false,
                    )
                ),
            ),
        );
    }

    /**
     * Test error formatting
     *
     * @param int    $error_number  Error code
     * @param string $error_message Error message as returned by server
     * @param string $match         Expected text
     *
     * @dataProvider errorData
     */
    public function testFormatError($error_number, $error_message, $match)
    {
        $this->assertContains(
            $match,
            DatabaseInterface::formatError($error_number, $error_message)
        );
    }

    public function errorData()
    {
        return array(
            array(2002, 'msg', 'The server is not responding'),
            array(2003, 'msg', 'The server is not responding'),
            array(1698, 'msg', 'logout.php'),
            array(1005, 'msg', 'server_engines.php'),
            array(1005, 'errno: 13', 'Please check privileges'),
            array(-1, 'error message', 'error message'),
        );
    }

    /**
     * Tests for DBI::isAmazonRds() method.
     *
     * @return void
     * @test
     * @dataProvider isAmazonRdsData
     */
    public function atestIsAmazonRdsData($value, $expected)
    {
        Util::cacheUnset('is_amazon_rds');

        $extension = new PMA\libraries\dbi\DBIDummy();
        $extension->setResult('SELECT @@basedir', $value);

        $dbi = new PMA\libraries\DatabaseInterface($extension);

        $this->assertEquals(
            $expected,
            $dbi->isAmazonRds()
        );
    }

    /**
     * Data provider for isAmazonRds() tests.
     *
     * @return array
     */
    public function isAmazonRdsData()
    {
        return array(
            array(array(array('/usr')), false),
            array(array(array('E:/mysql')), false),
            array(array(array('/rdsdbbin/mysql/')), true),
            array(array(array('/rdsdbbin/mysql-5.7.18/')), true),
        );
    }

    /**
     * Test for version parsing
     *
     * @param string $version  version to parse
     * @param int    $expected expected numeric version
     * @param int    $major    expected major version
     * @param bool   $upgrade  whether upgrade should ne needed
     *
     * @return void
     *
     * @dataProvider versionData
     */
    public function testVersion($version, $expected, $major, $upgrade)
    {
        $ver_int = DatabaseInterface::versionToInt($version);
        $this->assertEquals($expected, $ver_int);
        $this->assertEquals($major, (int)($ver_int / 10000));
        $this->assertEquals($upgrade, $ver_int < $GLOBALS['cfg']['MysqlMinVersion']['internal']);
    }

    public function versionData()
    {
        return array(
            array('5.0.5', 50005, 5, true),
            array('5.05.01', 50501, 5, false),
            array('5.6.35', 50635, 5, false),
            array('10.1.22-MariaDB-', 100122, 10, false),
        );
    }
}

/**
 * class for Table Field Meta
 *
 * @package PhpMyAdmin-test
 */
class FieldMeta
{
    public $table;
    public $name;
}