<?php

namespace Shaarli\Updater;

use DateTime;
use Exception;
use Shaarli\Bookmark\Bookmark;
use Shaarli\Config\ConfigJson;
use Shaarli\Config\ConfigManager;
use Shaarli\Config\ConfigPhp;
use Shaarli\Legacy\LegacyLinkDB;
use Shaarli\Legacy\LegacyUpdater;
use Shaarli\Thumbnailer;

require_once 'application/updater/UpdaterUtils.php';
require_once 'tests/updater/DummyUpdater.php';
require_once 'tests/utils/ReferenceLinkDB.php';
require_once 'inc/rain.tpl.class.php';

/**
 * Class UpdaterTest.
 * Runs unit tests against the updater class.
 */
class LegacyUpdaterTest extends \Shaarli\TestCase
{
    /**
     * @var string Path to test datastore.
     */
    protected static $testDatastore = 'sandbox/datastore.php';

    /**
     * @var string Config file path (without extension).
     */
    protected static $configFile = 'sandbox/config';

    /**
     * @var ConfigManager
     */
    protected $conf;

    /**
     * Executed before each test.
     */
    protected function setUp(): void
    {
        copy('tests/utils/config/configJson.json.php', self::$configFile . '.json.php');
        $this->conf = new ConfigManager(self::$configFile);
    }

    /**
     * Test UpdaterUtils::read_updates_file with an empty/missing file.
     */
    public function testReadEmptyUpdatesFile()
    {
        $this->assertEquals([], UpdaterUtils::readUpdatesFile(''));
        $updatesFile = $this->conf->get('resource.data_dir') . '/updates.txt';
        touch($updatesFile);
        $this->assertEquals([], UpdaterUtils::readUpdatesFile($updatesFile));
        unlink($updatesFile);
    }

    /**
     * Test read/write updates file.
     */
    public function testReadWriteUpdatesFile()
    {
        $updatesFile = $this->conf->get('resource.data_dir') . '/updates.txt';
        $updatesMethods = ['m1', 'm2', 'm3'];

        UpdaterUtils::writeUpdatesFile($updatesFile, $updatesMethods);
        $readMethods = UpdaterUtils::readUpdatesFile($updatesFile);
        $this->assertEquals($readMethods, $updatesMethods);

        // Update
        $updatesMethods[] = 'm4';
        UpdaterUtils::writeUpdatesFile($updatesFile, $updatesMethods);
        $readMethods = UpdaterUtils::readUpdatesFile($updatesFile);
        $this->assertEquals($readMethods, $updatesMethods);
        unlink($updatesFile);
    }

    /**
     * Test errors in UpdaterUtils::write_updates_file(): empty updates file.
     */
    public function testWriteEmptyUpdatesFile()
    {
        $this->expectException(\Exception::class);
        $this->expectExceptionMessageRegExp('/Updates file path is not set(.*)/');

        UpdaterUtils::writeUpdatesFile('', ['test']);
    }

    /**
     * Test errors in UpdaterUtils::write_updates_file(): not writable updates file.
     */
    public function testWriteUpdatesFileNotWritable()
    {
        $this->expectException(\Exception::class);
        $this->expectExceptionMessageRegExp('/Unable to write(.*)/');

        $updatesFile = $this->conf->get('resource.data_dir') . '/updates.txt';
        touch($updatesFile);
        chmod($updatesFile, 0444);
        try {
            @UpdaterUtils::writeUpdatesFile($updatesFile, ['test']);
        } catch (Exception $e) {
            unlink($updatesFile);
            throw $e;
        }
    }

    /**
     * Test the update() method, with no update to run.
     *   1. Everything already run.
     *   2. User is logged out.
     */
    public function testNoUpdates()
    {
        $updates = [
            'updateMethodDummy1',
            'updateMethodDummy2',
            'updateMethodDummy3',
            'updateMethodException',
        ];
        $updater = new DummyUpdater($updates, [], $this->conf, true);
        $this->assertEquals([], $updater->update());

        $updater = new DummyUpdater([], [], $this->conf, false);
        $this->assertEquals([], $updater->update());
    }

    /**
     * Test the update() method, with all updates to run (except the failing one).
     */
    public function testUpdatesFirstTime()
    {
        $updates = ['updateMethodException',];
        $expectedUpdates = [
            'updateMethodDummy1',
            'updateMethodDummy2',
            'updateMethodDummy3',
        ];
        $updater = new DummyUpdater($updates, [], $this->conf, true);
        $this->assertEquals($expectedUpdates, $updater->update());
    }

    /**
     * Test the update() method, only one update to run.
     */
    public function testOneUpdate()
    {
        $updates = [
            'updateMethodDummy1',
            'updateMethodDummy3',
            'updateMethodException',
        ];
        $expectedUpdate = ['updateMethodDummy2'];

        $updater = new DummyUpdater($updates, [], $this->conf, true);
        $this->assertEquals($expectedUpdate, $updater->update());
    }

    /**
     * Test Update failed.
     */
    public function testUpdateFailed()
    {
        $this->expectException(\Exception::class);

        $updates = [
            'updateMethodDummy1',
            'updateMethodDummy2',
            'updateMethodDummy3',
        ];

        $updater = new DummyUpdater($updates, [], $this->conf, true);
        $updater->update();
    }

    /**
     * Test update mergeDeprecatedConfig:
     *      1. init a config file.
     *      2. init a options.php file with update value.
     *      3. merge.
     *      4. check updated value in config file.
     */
    public function testUpdateMergeDeprecatedConfig()
    {
        $this->conf->setConfigFile('tests/utils/config/configPhp');
        $this->conf->reset();

        $optionsFile = 'tests/updater/options.php';
        $options = '<?php
$GLOBALS[\'privateLinkByDefault\'] = true;';
        file_put_contents($optionsFile, $options);

        // tmp config file.
        $this->conf->setConfigFile('tests/updater/config');

        // merge configs
        $updater = new LegacyUpdater([], [], $this->conf, true);
        // This writes a new config file in tests/updater/config.php
        $updater->updateMethodMergeDeprecatedConfigFile();

        // make sure updated field is changed
        $this->conf->reload();
        $this->assertTrue($this->conf->get('privacy.default_private_links'));
        $this->assertFalse(is_file($optionsFile));
        // Delete the generated file.
        unlink($this->conf->getConfigFileExt());
    }

    /**
     * Test mergeDeprecatedConfig in without options file.
     */
    public function testMergeDeprecatedConfigNoFile()
    {
        $updater = new LegacyUpdater([], [], $this->conf, true);
        $updater->updateMethodMergeDeprecatedConfigFile();

        $this->assertEquals('root', $this->conf->get('credentials.login'));
    }

    /**
     * Test renameDashTags update method.
     */
    public function testRenameDashTags()
    {
        $refDB = new \ReferenceLinkDB(true);
        $refDB->write(self::$testDatastore);
        $linkDB = new LegacyLinkDB(self::$testDatastore, true, false);

        $this->assertEmpty($linkDB->filterSearch(['searchtags' => 'exclude']));
        $updater = new LegacyUpdater([], $linkDB, $this->conf, true);
        $updater->updateMethodRenameDashTags();
        $this->assertNotEmpty($linkDB->filterSearch(['searchtags' =>  'exclude']));
    }

    /**
     * Convert old PHP config file to JSON config.
     */
    public function testConfigToJson()
    {
        $configFile = 'tests/utils/config/configPhp';
        $this->conf->setConfigFile($configFile);
        $this->conf->reset();

        // The ConfigIO is initialized with ConfigPhp.
        $this->assertTrue($this->conf->getConfigIO() instanceof ConfigPhp);

        $updater = new LegacyUpdater([], [], $this->conf, false);
        $done = $updater->updateMethodConfigToJson();
        $this->assertTrue($done);

        // The ConfigIO has been updated to ConfigJson.
        $this->assertTrue($this->conf->getConfigIO() instanceof ConfigJson);
        $this->assertTrue(file_exists($this->conf->getConfigFileExt()));

        // Check JSON config data.
        $this->conf->reload();
        $this->assertEquals('root', $this->conf->get('credentials.login'));
        $this->assertEquals('lala', $this->conf->get('redirector.url'));
        $this->assertEquals('data/datastore.php', $this->conf->get('resource.datastore'));
        $this->assertEquals('1', $this->conf->get('plugins.WALLABAG_VERSION'));

        rename($configFile . '.save.php', $configFile . '.php');
        unlink($this->conf->getConfigFileExt());
    }

    /**
     * Launch config conversion update with an existing JSON file => nothing to do.
     */
    public function testConfigToJsonNothingToDo()
    {
        $filetime = filemtime($this->conf->getConfigFileExt());
        $updater = new LegacyUpdater([], [], $this->conf, false);
        $done = $updater->updateMethodConfigToJson();
        $this->assertTrue($done);
        $expected = filemtime($this->conf->getConfigFileExt());
        $this->assertEquals($expected, $filetime);
    }

    /**
     * Test escapeUnescapedConfig with valid data.
     */
    public function testEscapeConfig()
    {
        $sandbox = 'sandbox/config';
        copy(self::$configFile . '.json.php', $sandbox . '.json.php');
        $this->conf = new ConfigManager($sandbox);
        $title = '<script>alert("title");</script>';
        $headerLink = '<script>alert("header_link");</script>';
        $this->conf->set('general.title', $title);
        $this->conf->set('general.header_link', $headerLink);
        $updater = new LegacyUpdater([], [], $this->conf, true);
        $done = $updater->updateMethodEscapeUnescapedConfig();
        $this->assertTrue($done);
        $this->conf->reload();
        $this->assertEquals(escape($title), $this->conf->get('general.title'));
        $this->assertEquals(escape($headerLink), $this->conf->get('general.header_link'));
        unlink($sandbox . '.json.php');
    }

    /**
     * Test updateMethodApiSettings(): create default settings for the API (enabled + secret).
     */
    public function testUpdateApiSettings()
    {
        $confFile = 'sandbox/config';
        copy(self::$configFile . '.json.php', $confFile . '.json.php');
        $conf = new ConfigManager($confFile);
        $updater = new LegacyUpdater([], [], $conf, true);

        $this->assertFalse($conf->exists('api.enabled'));
        $this->assertFalse($conf->exists('api.secret'));
        $updater->updateMethodApiSettings();
        $conf->reload();
        $this->assertTrue($conf->get('api.enabled'));
        $this->assertTrue($conf->exists('api.secret'));
        unlink($confFile . '.json.php');
    }

    /**
     * Test updateMethodApiSettings(): already set, do nothing.
     */
    public function testUpdateApiSettingsNothingToDo()
    {
        $confFile = 'sandbox/config';
        copy(self::$configFile . '.json.php', $confFile . '.json.php');
        $conf = new ConfigManager($confFile);
        $conf->set('api.enabled', false);
        $conf->set('api.secret', '');
        $updater = new LegacyUpdater([], [], $conf, true);
        $updater->updateMethodApiSettings();
        $this->assertFalse($conf->get('api.enabled'));
        $this->assertEmpty($conf->get('api.secret'));
        unlink($confFile . '.json.php');
    }

    /**
     * Test updateMethodDatastoreIds().
     */
    public function testDatastoreIds()
    {
        $links = [
            '20121206_182539' => [
                'linkdate' => '20121206_182539',
                'title' => 'Geek and Poke',
                'url' => 'http://geek-and-poke.com/',
                'description' => 'desc',
                'tags' => 'dev cartoon tag1  tag2   tag3  tag4   ',
                'updated' => '20121206_190301',
                'private' => false,
            ],
            '20121206_172539' => [
                'linkdate' => '20121206_172539',
                'title' => 'UserFriendly - Samba',
                'url' => 'http://ars.userfriendly.org/cartoons/?id=20010306',
                'description' => '',
                'tags' => 'samba cartoon web',
                'private' => false,
            ],
            '20121206_142300' => [
                'linkdate' => '20121206_142300',
                'title' => 'UserFriendly - Web Designer',
                'url' => 'http://ars.userfriendly.org/cartoons/?id=20121206',
                'description' => 'Naming conventions... #private',
                'tags' => 'samba cartoon web',
                'private' => true,
            ],
        ];
        $refDB = new \ReferenceLinkDB(true);
        $refDB->setLinks($links);
        $refDB->write(self::$testDatastore);
        $linkDB = new LegacyLinkDB(self::$testDatastore, true, false);

        $checksum = hash_file('sha1', self::$testDatastore);

        $this->conf->set('resource.data_dir', 'sandbox');
        $this->conf->set('resource.datastore', self::$testDatastore);

        $updater = new LegacyUpdater([], $linkDB, $this->conf, true);
        $this->assertTrue($updater->updateMethodDatastoreIds());

        $linkDB = new LegacyLinkDB(self::$testDatastore, true, false);

        $backupFiles = glob($this->conf->get('resource.data_dir') . '/datastore.' . date('YmdH') . '*.php');
        $backup = null;
        foreach ($backupFiles as $backupFile) {
            if (strpos($backupFile, '_1') === false) {
                $backup = $backupFile;
            }
        }
        $this->assertNotNull($backup);
        $this->assertFileExists($backup);
        $this->assertEquals($checksum, hash_file('sha1', $backup));
        unlink($backup);

        $this->assertEquals(3, count($linkDB));
        $this->assertTrue(isset($linkDB[0]));
        $this->assertFalse(isset($linkDB[0]['linkdate']));
        $this->assertEquals(0, $linkDB[0]['id']);
        $this->assertEquals('UserFriendly - Web Designer', $linkDB[0]['title']);
        $this->assertEquals('http://ars.userfriendly.org/cartoons/?id=20121206', $linkDB[0]['url']);
        $this->assertEquals('Naming conventions... #private', $linkDB[0]['description']);
        $this->assertEquals('samba cartoon web', $linkDB[0]['tags']);
        $this->assertTrue($linkDB[0]['private']);
        $this->assertEquals(
            DateTime::createFromFormat(Bookmark::LINK_DATE_FORMAT, '20121206_142300'),
            $linkDB[0]['created']
        );

        $this->assertTrue(isset($linkDB[1]));
        $this->assertFalse(isset($linkDB[1]['linkdate']));
        $this->assertEquals(1, $linkDB[1]['id']);
        $this->assertEquals('UserFriendly - Samba', $linkDB[1]['title']);
        $this->assertEquals(
            DateTime::createFromFormat(Bookmark::LINK_DATE_FORMAT, '20121206_172539'),
            $linkDB[1]['created']
        );

        $this->assertTrue(isset($linkDB[2]));
        $this->assertFalse(isset($linkDB[2]['linkdate']));
        $this->assertEquals(2, $linkDB[2]['id']);
        $this->assertEquals('Geek and Poke', $linkDB[2]['title']);
        $this->assertEquals(
            DateTime::createFromFormat(Bookmark::LINK_DATE_FORMAT, '20121206_182539'),
            $linkDB[2]['created']
        );
        $this->assertEquals(
            DateTime::createFromFormat(Bookmark::LINK_DATE_FORMAT, '20121206_190301'),
            $linkDB[2]['updated']
        );
    }

    /**
     * Test updateMethodDatastoreIds() with the update already applied: nothing to do.
     */
    public function testDatastoreIdsNothingToDo()
    {
        $refDB = new \ReferenceLinkDB(true);
        $refDB->write(self::$testDatastore);
        $linkDB = new LegacyLinkDB(self::$testDatastore, true, false);

        $this->conf->set('resource.data_dir', 'sandbox');
        $this->conf->set('resource.datastore', self::$testDatastore);

        $checksum = hash_file('sha1', self::$testDatastore);
        $updater = new LegacyUpdater([], $linkDB, $this->conf, true);
        $this->assertTrue($updater->updateMethodDatastoreIds());
        $this->assertEquals($checksum, hash_file('sha1', self::$testDatastore));
    }

    /**
     * Test defaultTheme update with default settings: nothing to do.
     */
    public function testDefaultThemeWithDefaultSettings()
    {
        $sandbox = 'sandbox/config';
        copy(self::$configFile . '.json.php', $sandbox . '.json.php');
        $this->conf = new ConfigManager($sandbox);
        $updater = new LegacyUpdater([], [], $this->conf, true);
        $this->assertTrue($updater->updateMethodDefaultTheme());

        $this->assertEquals('tpl/', $this->conf->get('resource.raintpl_tpl'));
        $this->assertEquals('default', $this->conf->get('resource.theme'));
        $this->conf = new ConfigManager($sandbox);
        $this->assertEquals('tpl/', $this->conf->get('resource.raintpl_tpl'));
        $this->assertEquals('default', $this->conf->get('resource.theme'));
        unlink($sandbox . '.json.php');
    }

    /**
     * Test defaultTheme update with a custom theme in a subfolder
     */
    public function testDefaultThemeWithCustomTheme()
    {
        $theme = 'iamanartist';
        $sandbox = 'sandbox/config';
        copy(self::$configFile . '.json.php', $sandbox . '.json.php');
        $this->conf = new ConfigManager($sandbox);
        mkdir('sandbox/' . $theme);
        touch('sandbox/' . $theme . '/linklist.html');
        $this->conf->set('resource.raintpl_tpl', 'sandbox/' . $theme . '/');
        $updater = new LegacyUpdater([], [], $this->conf, true);
        $this->assertTrue($updater->updateMethodDefaultTheme());

        $this->assertEquals('sandbox', $this->conf->get('resource.raintpl_tpl'));
        $this->assertEquals($theme, $this->conf->get('resource.theme'));
        $this->conf = new ConfigManager($sandbox);
        $this->assertEquals('sandbox', $this->conf->get('resource.raintpl_tpl'));
        $this->assertEquals($theme, $this->conf->get('resource.theme'));
        unlink($sandbox . '.json.php');
        unlink('sandbox/' . $theme . '/linklist.html');
        rmdir('sandbox/' . $theme);
    }

    /**
     * Test updateMethodEscapeMarkdown with markdown plugin enabled
     * => setting markdown_escape set to false.
     */
    public function testEscapeMarkdownSettingToFalse()
    {
        $sandboxConf = 'sandbox/config';
        copy(self::$configFile . '.json.php', $sandboxConf . '.json.php');
        $this->conf = new ConfigManager($sandboxConf);

        $this->conf->set('general.enabled_plugins', ['markdown']);
        $updater = new LegacyUpdater([], [], $this->conf, true);
        $this->assertTrue($updater->updateMethodEscapeMarkdown());
        $this->assertFalse($this->conf->get('security.markdown_escape'));

        // reload from file
        $this->conf = new ConfigManager($sandboxConf);
        $this->assertFalse($this->conf->get('security.markdown_escape'));
    }


    /**
     * Test updateMethodEscapeMarkdown with markdown plugin disabled
     * => setting markdown_escape set to true.
     */
    public function testEscapeMarkdownSettingToTrue()
    {
        $sandboxConf = 'sandbox/config';
        copy(self::$configFile . '.json.php', $sandboxConf . '.json.php');
        $this->conf = new ConfigManager($sandboxConf);

        $this->conf->set('general.enabled_plugins', []);
        $updater = new LegacyUpdater([], [], $this->conf, true);
        $this->assertTrue($updater->updateMethodEscapeMarkdown());
        $this->assertTrue($this->conf->get('security.markdown_escape'));

        // reload from file
        $this->conf = new ConfigManager($sandboxConf);
        $this->assertTrue($this->conf->get('security.markdown_escape'));
    }

    /**
     * Test updateMethodEscapeMarkdown with nothing to do (setting already enabled)
     */
    public function testEscapeMarkdownSettingNothingToDoEnabled()
    {
        $sandboxConf = 'sandbox/config';
        copy(self::$configFile . '.json.php', $sandboxConf . '.json.php');
        $this->conf = new ConfigManager($sandboxConf);
        $this->conf->set('security.markdown_escape', true);
        $updater = new LegacyUpdater([], [], $this->conf, true);
        $this->assertTrue($updater->updateMethodEscapeMarkdown());
        $this->assertTrue($this->conf->get('security.markdown_escape'));
    }

    /**
     * Test updateMethodEscapeMarkdown with nothing to do (setting already disabled)
     */
    public function testEscapeMarkdownSettingNothingToDoDisabled()
    {
        $this->conf->set('security.markdown_escape', false);
        $updater = new LegacyUpdater([], [], $this->conf, true);
        $this->assertTrue($updater->updateMethodEscapeMarkdown());
        $this->assertFalse($this->conf->get('security.markdown_escape'));
    }

    /**
     * Test updateMethodPiwikUrl with valid data
     */
    public function testUpdatePiwikUrlValid()
    {
        $sandboxConf = 'sandbox/config';
        copy(self::$configFile . '.json.php', $sandboxConf . '.json.php');
        $this->conf = new ConfigManager($sandboxConf);
        $url = 'mypiwik.tld';
        $this->conf->set('plugins.PIWIK_URL', $url);
        $updater = new LegacyUpdater([], [], $this->conf, true);
        $this->assertTrue($updater->updateMethodPiwikUrl());
        $this->assertEquals('http://' . $url, $this->conf->get('plugins.PIWIK_URL'));

        // reload from file
        $this->conf = new ConfigManager($sandboxConf);
        $this->assertEquals('http://' . $url, $this->conf->get('plugins.PIWIK_URL'));
    }

    /**
     * Test updateMethodPiwikUrl without setting
     */
    public function testUpdatePiwikUrlEmpty()
    {
        $updater = new LegacyUpdater([], [], $this->conf, true);
        $this->assertTrue($updater->updateMethodPiwikUrl());
        $this->assertEmpty($this->conf->get('plugins.PIWIK_URL'));
    }

    /**
     * Test updateMethodPiwikUrl: valid URL, nothing to do
     */
    public function testUpdatePiwikUrlNothingToDo()
    {
        $url = 'https://mypiwik.tld';
        $this->conf->set('plugins.PIWIK_URL', $url);
        $updater = new LegacyUpdater([], [], $this->conf, true);
        $this->assertTrue($updater->updateMethodPiwikUrl());
        $this->assertEquals($url, $this->conf->get('plugins.PIWIK_URL'));
    }

    /**
     * Test updateMethodAtomDefault with show_atom set to false
     * => update to true.
     */
    public function testUpdateMethodAtomDefault()
    {
        $sandboxConf = 'sandbox/config';
        copy(self::$configFile . '.json.php', $sandboxConf . '.json.php');
        $this->conf = new ConfigManager($sandboxConf);
        $this->conf->set('feed.show_atom', false);
        $updater = new LegacyUpdater([], [], $this->conf, true);
        $this->assertTrue($updater->updateMethodAtomDefault());
        $this->assertTrue($this->conf->get('feed.show_atom'));
        // reload from file
        $this->conf = new ConfigManager($sandboxConf);
        $this->assertTrue($this->conf->get('feed.show_atom'));
    }
    /**
     * Test updateMethodAtomDefault with show_atom not set.
     * => nothing to do
     */
    public function testUpdateMethodAtomDefaultNoExist()
    {
        $sandboxConf = 'sandbox/config';
        copy(self::$configFile . '.json.php', $sandboxConf . '.json.php');
        $this->conf = new ConfigManager($sandboxConf);
        $updater = new LegacyUpdater([], [], $this->conf, true);
        $this->assertTrue($updater->updateMethodAtomDefault());
        $this->assertTrue($this->conf->get('feed.show_atom'));
    }
    /**
     * Test updateMethodAtomDefault with show_atom set to true.
     * => nothing to do
     */
    public function testUpdateMethodAtomDefaultAlreadyTrue()
    {
        $sandboxConf = 'sandbox/config';
        copy(self::$configFile . '.json.php', $sandboxConf . '.json.php');
        $this->conf = new ConfigManager($sandboxConf);
        $this->conf->set('feed.show_atom', true);
        $updater = new LegacyUpdater([], [], $this->conf, true);
        $this->assertTrue($updater->updateMethodAtomDefault());
        $this->assertTrue($this->conf->get('feed.show_atom'));
    }

    /**
     * Test updateMethodDownloadSizeAndTimeoutConf, it should be set if none is already defined.
     */
    public function testUpdateMethodDownloadSizeAndTimeoutConf()
    {
        $sandboxConf = 'sandbox/config';
        copy(self::$configFile . '.json.php', $sandboxConf . '.json.php');
        $this->conf = new ConfigManager($sandboxConf);
        $updater = new LegacyUpdater([], [], $this->conf, true);
        $this->assertTrue($updater->updateMethodDownloadSizeAndTimeoutConf());
        $this->assertEquals(4194304, $this->conf->get('general.download_max_size'));
        $this->assertEquals(30, $this->conf->get('general.download_timeout'));

        $this->conf = new ConfigManager($sandboxConf);
        $this->assertEquals(4194304, $this->conf->get('general.download_max_size'));
        $this->assertEquals(30, $this->conf->get('general.download_timeout'));
    }

    /**
     * Test updateMethodDownloadSizeAndTimeoutConf, it shouldn't be set if it is already defined.
     */
    public function testUpdateMethodDownloadSizeAndTimeoutConfIgnore()
    {
        $sandboxConf = 'sandbox/config';
        copy(self::$configFile . '.json.php', $sandboxConf . '.json.php');
        $this->conf = new ConfigManager($sandboxConf);
        $this->conf->set('general.download_max_size', 38);
        $this->conf->set('general.download_timeout', 70);
        $updater = new LegacyUpdater([], [], $this->conf, true);
        $this->assertTrue($updater->updateMethodDownloadSizeAndTimeoutConf());
        $this->assertEquals(38, $this->conf->get('general.download_max_size'));
        $this->assertEquals(70, $this->conf->get('general.download_timeout'));
    }

    /**
     * Test updateMethodDownloadSizeAndTimeoutConf, only the maz size should be set here.
     */
    public function testUpdateMethodDownloadSizeAndTimeoutConfOnlySize()
    {
        $sandboxConf = 'sandbox/config';
        copy(self::$configFile . '.json.php', $sandboxConf . '.json.php');
        $this->conf = new ConfigManager($sandboxConf);
        $this->conf->set('general.download_max_size', 38);
        $updater = new LegacyUpdater([], [], $this->conf, true);
        $this->assertTrue($updater->updateMethodDownloadSizeAndTimeoutConf());
        $this->assertEquals(38, $this->conf->get('general.download_max_size'));
        $this->assertEquals(30, $this->conf->get('general.download_timeout'));
    }

    /**
     * Test updateMethodDownloadSizeAndTimeoutConf, only the time out should be set here.
     */
    public function testUpdateMethodDownloadSizeAndTimeoutConfOnlyTimeout()
    {
        $sandboxConf = 'sandbox/config';
        copy(self::$configFile . '.json.php', $sandboxConf . '.json.php');
        $this->conf = new ConfigManager($sandboxConf);
        $this->conf->set('general.download_timeout', 3);
        $updater = new LegacyUpdater([], [], $this->conf, true);
        $this->assertTrue($updater->updateMethodDownloadSizeAndTimeoutConf());
        $this->assertEquals(4194304, $this->conf->get('general.download_max_size'));
        $this->assertEquals(3, $this->conf->get('general.download_timeout'));
    }

    /**
     * Test updateMethodWebThumbnailer with thumbnails enabled.
     */
    public function testUpdateMethodWebThumbnailerEnabled()
    {
        $this->conf->remove('thumbnails');
        $this->conf->set('thumbnail.enable_thumbnails', true);
        $updater = new LegacyUpdater([], [], $this->conf, true, $_SESSION);
        $this->assertTrue($updater->updateMethodWebThumbnailer());
        $this->assertFalse($this->conf->exists('thumbnail'));
        $this->assertEquals(\Shaarli\Thumbnailer::MODE_ALL, $this->conf->get('thumbnails.mode'));
        $this->assertEquals(125, $this->conf->get('thumbnails.width'));
        $this->assertEquals(90, $this->conf->get('thumbnails.height'));
        $this->assertContainsPolyfill('You have enabled or changed thumbnails', $_SESSION['warnings'][0]);
    }

    /**
     * Test updateMethodWebThumbnailer with thumbnails disabled.
     */
    public function testUpdateMethodWebThumbnailerDisabled()
    {
        if (isset($_SESSION['warnings'])) {
            unset($_SESSION['warnings']);
        }

        $this->conf->remove('thumbnails');
        $this->conf->set('thumbnail.enable_thumbnails', false);
        $updater = new LegacyUpdater([], [], $this->conf, true, $_SESSION);
        $this->assertTrue($updater->updateMethodWebThumbnailer());
        $this->assertFalse($this->conf->exists('thumbnail'));
        $this->assertEquals(Thumbnailer::MODE_NONE, $this->conf->get('thumbnails.mode'));
        $this->assertEquals(125, $this->conf->get('thumbnails.width'));
        $this->assertEquals(90, $this->conf->get('thumbnails.height'));
        $this->assertTrue(empty($_SESSION['warnings']));
    }

    /**
     * Test updateMethodWebThumbnailer with thumbnails disabled.
     */
    public function testUpdateMethodWebThumbnailerNothingToDo()
    {
        if (isset($_SESSION['warnings'])) {
            unset($_SESSION['warnings']);
        }

        $updater = new LegacyUpdater([], [], $this->conf, true, $_SESSION);
        $this->assertTrue($updater->updateMethodWebThumbnailer());
        $this->assertFalse($this->conf->exists('thumbnail'));
        $this->assertEquals(Thumbnailer::MODE_COMMON, $this->conf->get('thumbnails.mode'));
        $this->assertEquals(90, $this->conf->get('thumbnails.width'));
        $this->assertEquals(53, $this->conf->get('thumbnails.height'));
        $this->assertTrue(empty($_SESSION['warnings']));
    }

    /**
     * Test updateMethodSetSticky().
     */
    public function testUpdateStickyValid()
    {
        $blank = [
            'id' => 1,
            'url' => 'z',
            'title' => '',
            'description' => '',
            'tags' => '',
            'created' => new DateTime(),
        ];
        $links = [
            1 => ['id' => 1] + $blank,
            2 => ['id' => 2] + $blank,
        ];
        $refDB = new \ReferenceLinkDB(true);
        $refDB->setLinks($links);
        $refDB->write(self::$testDatastore);
        $linkDB = new LegacyLinkDB(self::$testDatastore, true, false);

        $updater = new LegacyUpdater([], $linkDB, $this->conf, true);
        $this->assertTrue($updater->updateMethodSetSticky());

        $linkDB = new LegacyLinkDB(self::$testDatastore, true, false);
        foreach ($linkDB as $link) {
            $this->assertFalse($link['sticky']);
        }
    }

    /**
     * Test updateMethodSetSticky().
     */
    public function testUpdateStickyNothingToDo()
    {
        $blank = [
            'id' => 1,
            'url' => 'z',
            'title' => '',
            'description' => '',
            'tags' => '',
            'created' => new DateTime(),
        ];
        $links = [
            1 => ['id' => 1, 'sticky' => true] + $blank,
            2 => ['id' => 2] + $blank,
        ];
        $refDB = new \ReferenceLinkDB(true);
        $refDB->setLinks($links);
        $refDB->write(self::$testDatastore);
        $linkDB = new LegacyLinkDB(self::$testDatastore, true, false);

        $updater = new LegacyUpdater([], $linkDB, $this->conf, true);
        $this->assertTrue($updater->updateMethodSetSticky());

        $linkDB = new LegacyLinkDB(self::$testDatastore, true, false);
        $this->assertTrue($linkDB[1]['sticky']);
    }

    /**
     * Test updateMethodRemoveRedirector().
     */
    public function testUpdateRemoveRedirector()
    {
        $sandboxConf = 'sandbox/config';
        copy(self::$configFile . '.json.php', $sandboxConf . '.json.php');
        $this->conf = new ConfigManager($sandboxConf);
        $updater = new LegacyUpdater([], null, $this->conf, true);
        $this->assertTrue($updater->updateMethodRemoveRedirector());
        $this->assertFalse($this->conf->exists('redirector'));
        $this->conf = new ConfigManager($sandboxConf);
        $this->assertFalse($this->conf->exists('redirector'));
    }

    /**
     * Test updateMethodFormatterSetting()
     */
    public function testUpdateMethodFormatterSettingDefault()
    {
        $sandboxConf = 'sandbox/config';
        copy(self::$configFile . '.json.php', $sandboxConf . '.json.php');
        $this->conf = new ConfigManager($sandboxConf);
        $this->conf->set('formatter', 'default');
        $updater = new LegacyUpdater([], null, $this->conf, true);
        $enabledPlugins = $this->conf->get('general.enabled_plugins');
        $this->assertFalse(in_array('markdown', $enabledPlugins));
        $this->assertTrue($updater->updateMethodFormatterSetting());
        $this->assertEquals('default', $this->conf->get('formatter'));
        $this->assertEquals($enabledPlugins, $this->conf->get('general.enabled_plugins'));

        $this->conf = new ConfigManager($sandboxConf);
        $this->assertEquals('default', $this->conf->get('formatter'));
        $this->assertEquals($enabledPlugins, $this->conf->get('general.enabled_plugins'));
    }

    /**
     * Test updateMethodFormatterSetting()
     */
    public function testUpdateMethodFormatterSettingMarkdown()
    {
        $sandboxConf = 'sandbox/config';
        copy(self::$configFile . '.json.php', $sandboxConf . '.json.php');
        $this->conf = new ConfigManager($sandboxConf);
        $this->conf->set('formatter', 'default');
        $updater = new LegacyUpdater([], null, $this->conf, true);
        $enabledPlugins = $this->conf->get('general.enabled_plugins');
        $enabledPlugins[] = 'markdown';
        $this->conf->set('general.enabled_plugins', $enabledPlugins);

        $this->assertTrue(in_array('markdown', $this->conf->get('general.enabled_plugins')));
        $this->assertTrue($updater->updateMethodFormatterSetting());
        $this->assertEquals('markdown', $this->conf->get('formatter'));
        $this->assertFalse(in_array('markdown', $this->conf->get('general.enabled_plugins')));

        $this->conf = new ConfigManager($sandboxConf);
        $this->assertEquals('markdown', $this->conf->get('formatter'));
        $this->assertFalse(in_array('markdown', $this->conf->get('general.enabled_plugins')));
    }
}