<?php
/* vim: set expandtab sw=4 ts=4 sts=4: */
/**
 * Tests for Config File Management
 *
 * @package PhpMyAdmin-test
 */
namespace PhpMyAdmin\Tests\Config;

use PhpMyAdmin\Config\ConfigFile;
use PhpMyAdmin\Tests\PmaTestCase;
use stdClass;

/**
 * Tests for Config File Management
 *
 * @package PhpMyAdmin-test
 */
class ConfigFileTest extends PmaTestCase
{
    /**
     * Any valid key that exists in config.default.php and isn't empty
     * @var string
     */
    const SIMPLE_KEY_WITH_DEFAULT_VALUE = 'DefaultQueryTable';

    /**
     * Object under test
     * @var ConfigFile
     */
    protected $object;

    /**
     * Setup function for test cases
     *
     * @access protected
     * @return void
     */
    protected function setUp()
    {
        $GLOBALS['server'] = 1;
        $this->object = new ConfigFile();
    }

    /**
     * TearDown function for test cases
     *
     * @return void
     */
    protected function tearDown()
    {
        unset($_SESSION[$this->readAttribute($this->object, "_id")]);
        unset($this->object);
    }

    /**
     * Test for new ConfigFile()
     *
     * @return void
     * @test
     */
    public function testNewObjectState()
    {
        // Check default dynamic values
        $this->assertEquals(
            "82%",
            $this->object->getDefault('fontsize')
        );

        $this->assertEquals(
            array(),
            $this->object->getConfig()
        );

        // Check environment state
        $this->assertEquals(
            array(),
            $_SESSION["ConfigFile1"]
        );

        // Validate default value used in tests
        $default_value = $this->object->getDefault(
            self::SIMPLE_KEY_WITH_DEFAULT_VALUE
        );
        $this->assertNotNull($default_value);
    }

    /**
     * Test for ConfigFile::setPersistKeys()
     *
     * @return void
     * @test
     */
    public function testPersistentKeys()
    {
        $default_simple_value = $this->object->getDefault(
            self::SIMPLE_KEY_WITH_DEFAULT_VALUE
        );
        $default_host = $this->object->getDefault('Servers/1/host');
        $default_config = array(
            self::SIMPLE_KEY_WITH_DEFAULT_VALUE => $default_simple_value,
            'Servers/1/host' => $default_host,
            'Servers/2/host' => $default_host);

        /**
         * Case 1: set default value, key should not be persisted
         */
        $this->object->set(
            self::SIMPLE_KEY_WITH_DEFAULT_VALUE, $default_simple_value
        );
        $this->object->set('Servers/1/host', $default_host);
        $this->object->set('Servers/2/host', $default_host);
        $this->assertEmpty($this->object->getConfig());

        /**
         * Case 2: persistent keys should be always present in flat array,
         * even if not explicitly set (unless they are Server entries)
         */
        $this->object->setPersistKeys(array_keys($default_config));
        $this->object->resetConfigData();
        $this->assertEmpty($this->object->getConfig());
        $this->assertEquals(
            $default_config,
            $this->object->getConfigArray()
        );

        /**
         * Case 3: persistent keys should be always saved,
         * even if set to default values
         */
        $this->object->set('Servers/2/host', $default_host);
        $this->assertEquals(
            array('Servers' => array(2 => array('host' => $default_host))),
            $this->object->getConfig()
        );
    }

    /**
     * Test for ConfigFile::setAllowedKeys
     *
     * @return void
     * @test
     */
    public function testAllowedKeys()
    {
        /**
         * Case 1: filter should not allow to set b
         */
        $this->object->setAllowedKeys(array('a', 'c'));
        $this->object->set('a', 1);
        $this->object->set('b', 2);
        $this->object->set('c', 3);

        $this->assertEquals(
            array('a' => 1, 'c' => 3),
            $this->object->getConfig()
        );

        /**
         * Case 2: disabling filter should allow to set b
         */
        $this->object->setAllowedKeys(null);
        $this->object->set('b', 2);

        $this->assertEquals(
            array('a' => 1, 'b' => 2, 'c' => 3),
            $this->object->getConfig()
        );
    }

    /**
     * Test for ConfigFile::setCfgUpdateReadMapping
     *
     * @return void
     * @test
     */
    public function testConfigReadMapping()
    {
        $this->object->setCfgUpdateReadMapping(
            array(
                'Servers/value1' => 'Servers/1/value1',
                'Servers/value2' => 'Servers/1/value2'
            )
        );
        $this->object->set('Servers/1/passthrough1', 1);
        $this->object->set('Servers/1/passthrough2', 2);
        $this->object->updateWithGlobalConfig(array('Servers/value1' => 3));

        $this->assertEquals(
            array('Servers' => array(
                1 => array(
                    'passthrough1' => 1,
                    'passthrough2' => 2,
                    'value1' => 3))),
            $this->object->getConfig()
        );
        $this->assertEquals(
            3,
            $this->object->get('Servers/1/value1')
        );
    }

    /**
     * Test for ConfigFile::resetConfigData
     *
     * @return void
     * @test
     */
    public function testResetConfigData()
    {
        $this->object->set('key', 'value');

        $this->object->resetConfigData();

        $this->assertEmpty($this->object->getConfig());
        $this->assertEmpty($this->object->getConfigArray());
    }

    /**
     * Test for ConfigFile::setConfigData
     *
     * @return void
     * @test
     */
    public function testSetConfigData()
    {
        $this->object->set('abc', 'should be deleted by setConfigData');
        $this->object->setConfigData(array('a' => 'b'));

        $this->assertEquals(
            array('a' => 'b'),
            $this->object->getConfig()
        );
        $this->assertEquals(
            array('a' => 'b'),
            $this->object->getConfigArray()
        );
    }

    /**
     * Test for ConfigFile::set and ConfigFile::get
     *
     * @return void
     * @test
     */
    public function testBasicSetUsage()
    {
        $default_host = $this->object->getDefault('Servers/1/host');
        $nondefault_host = $default_host . '.abc';

        $this->object->set('Servers/4/host', $nondefault_host);
        $this->object->set('Servers/5/host', $default_host);
        $this->object->set('Servers/6/host', $default_host, 'Servers/6/host');
        $this->assertEquals(
            $nondefault_host,
            $this->object->get('Servers/4/host')
        );
        $this->assertEquals(
            null,
            $this->object->get('Servers/5/host')
        );
        $this->assertEquals(
            $default_host,
            $this->object->get('Servers/6/host')
        );

        // return default value for nonexistent keys
        $this->assertNull(
            $this->object->get('key not excist')
        );
        $this->assertEquals(
            array(1),
            $this->object->get('key not excist', array(1))
        );
        $default = new stdClass();
        $this->assertInstanceOf(
            'stdClass',
            $this->object->get('key not excist', $default)
        );
    }

    /**
     * Test for ConfigFile::set - in PMA Setup
     *
     * @return void
     * @test
     */
    public function testConfigFileSetInSetup()
    {
        $default_value = $this->object->getDefault(
            self::SIMPLE_KEY_WITH_DEFAULT_VALUE
        );

        // default values are not written
        $this->object->set(self::SIMPLE_KEY_WITH_DEFAULT_VALUE, $default_value);
        $this->assertEmpty($this->object->getConfig());
    }

    /**
     * Test for ConfigFile::set - in user preferences
     *
     * @return void
     * @test
     */
    public function testConfigFileSetInUserPreferences()
    {
        $default_value = $this->object->getDefault(
            self::SIMPLE_KEY_WITH_DEFAULT_VALUE
        );

        // values are not written when they are the same as in config.inc.php
        $this->object = new ConfigFile(
            array(self::SIMPLE_KEY_WITH_DEFAULT_VALUE => $default_value)
        );
        $this->object->set(self::SIMPLE_KEY_WITH_DEFAULT_VALUE, $default_value);
        $this->assertEmpty($this->object->getConfig());

        // but if config.inc.php differs from config.default.php,
        // allow to overwrite with value from config.default.php
        $config_inc_php_value = $default_value . 'suffix';
        $this->object = new ConfigFile(
            array(self::SIMPLE_KEY_WITH_DEFAULT_VALUE => $config_inc_php_value)
        );
        $this->object->set(self::SIMPLE_KEY_WITH_DEFAULT_VALUE, $default_value);
        $this->assertEquals(
            array(self::SIMPLE_KEY_WITH_DEFAULT_VALUE => $default_value),
            $this->object->getConfig()
        );
    }

    /**
     * Test for ConfigFile::getFlatDefaultConfig
     *
     * @return void
     * @test
     * @group medium
     */
    public function testGetFlatDefaultConfig()
    {
        $flat_default_config = $this->object->getFlatDefaultConfig();

        $default_value = $this->object->getDefault(
            self::SIMPLE_KEY_WITH_DEFAULT_VALUE
        );
        $this->assertEquals(
            $default_value, $flat_default_config[self::SIMPLE_KEY_WITH_DEFAULT_VALUE]
        );

        $localhost_value = $this->object->getDefault('Servers/1/host');
        $this->assertEquals(
            $localhost_value, $flat_default_config['Servers/1/host']
        );

        $cfg = array();
        include './libraries/config.default.php';
        // verify that $cfg read from config.default.php is valid
        $this->assertGreaterThanOrEqual(100, count($cfg));
        $this->assertGreaterThanOrEqual(count($cfg), count($flat_default_config));
    }

    /**
     * Test for ConfigFile::updateWithGlobalConfig
     *
     * @return void
     * @test
     */
    public function testUpdateWithGlobalConfig()
    {
        $this->object->set('key', 'value');
        $this->object->set('key2', 'value');
        $this->object->updateWithGlobalConfig(array('key' => 'ABC'));

        $this->assertEquals(
            array('key' => 'ABC', 'key2' => 'value'),
            $this->object->getConfig()
        );
    }

    /**
     * Test for ConfigFile::getCanonicalPath
     *
     * @return void
     * @test
     */
    public function testGetCanonicalPath()
    {
        $this->assertEquals(
            "Servers/1/abcd",
            $this->object->getCanonicalPath("Servers/2/abcd")
        );

        $this->assertEquals(
            "Servers/foo/bar",
            $this->object->getCanonicalPath("Servers/foo/bar")
        );
    }

    /**
     * Test for ConfigFile::getDbEntry
     *
     * @return void
     * @test
     */
    public function testGetDbEntry()
    {
        $cfg_db = array();
        include './libraries/config.values.php';
        // verify that $cfg_db read from config.values.php is valid
        $this->assertGreaterThanOrEqual(20, count($cfg_db));

        $this->assertEquals(
            $cfg_db['Servers'][1]['port'],
            $this->object->getDbEntry('Servers/1/port')
        );
        $this->assertNull($this->object->getDbEntry('no such key'));
        $this->assertEquals(
            array(1),
            $this->object->getDbEntry('no such key', array(1))
        );
    }

    /**
     * Test for ConfigFile::getServerCount
     *
     * @return void
     * @test
     */
    public function testGetServerCount()
    {
        $this->object->set('Servers/1/x', 1);
        $this->object->set('Servers/2/x', 2);
        $this->object->set('Servers/3/x', 3);
        $this->object->set('Servers/4/x', 4);
        $this->object->set('ServerDefault', 3);

        $this->assertEquals(
            4,
            $this->object->getServerCount()
        );

        $this->object->removeServer(2);
        $this->object->removeServer(2);

        $this->assertEquals(
            2,
            $this->object->getServerCount()
        );

        $this->assertLessThanOrEqual(
            2,
            $this->object->get('ServerDefault')
        );
        $this->assertEquals(
            array('Servers' => array(1 => array('x' => 1), 2 => array('x' => 4))),
            $this->object->getConfig()
        );
        $this->assertEquals(
            array('Servers/1/x' => 1, 'Servers/2/x' => 4),
            $this->object->getConfigArray()
        );
    }

    /**
     * Test for ConfigFile::getServers
     *
     * @return void
     * @test
     */
    public function testGetServers()
    {
        $this->object->set('Servers/1/x', 'a');
        $this->object->set('Servers/2/x', 'b');

        $this->assertEquals(
            array(1 => array('x' => 'a'), 2 => array('x' => 'b')),
            $this->object->getServers()
        );
    }

    /**
     * Test for ConfigFile::getServerDSN
     *
     * @return void
     * @test
     */
    public function testGetServerDSN()
    {
        $this->assertEquals(
            '',
            $this->object->getServerDSN(1)
        );

        $this->object->updateWithGlobalConfig(
            array(
                'Servers' => array(
                    1 => array(
                        "auth_type" => "config",
                        "user" => "testUser",
                        "host" => "example.com",
                        "port" => "21"
                    )
                )
            )
        );
        $this->assertEquals(
            "mysqli://testUser@example.com:21",
            $this->object->getServerDSN(1)
        );

        $this->object->updateWithGlobalConfig(
            array(
                'Servers' => array(
                    1 => array(
                        "auth_type" => "config",
                        "user" => "testUser",
                        "host" => "localhost",
                        "port" => "21",
                        "socket" => "123",
                        "password" => "",
                    )
                )
            )
        );
        $this->assertEquals(
            "mysqli://testUser@123",
            $this->object->getServerDSN(1)
        );

        $this->object->updateWithGlobalConfig(
            array(
                'Servers' => array(
                    1 => array(
                        "auth_type" => "config",
                        "user" => "testUser",
                        "host" => "example.com",
                        "port" => "21",
                        "password" => "testPass"
                    )
                )
            )
        );
        $this->assertEquals(
            "mysqli://testUser:***@example.com:21",
            $this->object->getServerDSN(1)
        );
    }

    /**
     * Test for ConfigFile::getServerName
     *
     * @return void
     * @test
     */
    public function testGetServerName()
    {
        $this->assertEquals(
            '',
            $this->object->getServerName(1)
        );

        $this->object->set('Servers/1/host', 'example.com');
        $this->assertEquals(
            'example.com',
            $this->object->getServerName(1)
        );

        $this->object->set('Servers/1/verbose', 'testData');
        $this->assertEquals(
            'testData',
            $this->object->getServerName(1)
        );
    }

    /**
     * Test for ConfigFile::getConfigArray
     *
     * @return void
     * @test
     */
    public function testGetConfigArray()
    {
        $this->object->setPersistKeys(array(self::SIMPLE_KEY_WITH_DEFAULT_VALUE));
        $this->object->set('Array/test', array('x', 'y'));
        $default_value = $this->object->getDefault(
            self::SIMPLE_KEY_WITH_DEFAULT_VALUE
        );

        $this->assertEquals(
            array(
                self::SIMPLE_KEY_WITH_DEFAULT_VALUE => $default_value,
                'Array/test' => array('x', 'y')
            ),
            $this->object->getConfigArray()
        );
    }
}
