Add and update unit test for the new system (Bookmark + Service)

See #1307

4 files changed, 2125 insertions, 0 deletions

diff --git a/tests/legacy/LegacyDummyUpdater.php b/tests/legacy/LegacyDummyUpdater.php
new file mode 100644
index 00000000..10e0a5b7
--- /dev/null
+++ b/tests/legacy/LegacyDummyUpdater.php
@@ -0,0 +1,74 @@
+<?php
+namespace Shaarli\Updater;
+
+use Exception;
+use ReflectionClass;
+use ReflectionMethod;
+use Shaarli\Config\ConfigManager;
+use Shaarli\Legacy\LegacyLinkDB;
+use Shaarli\Legacy\LegacyUpdater;
+
+/**
+ * Class LegacyDummyUpdater.
+ * Extends updater to add update method designed for unit tests.
+ */
+class LegacyDummyUpdater extends LegacyUpdater
+{
+    /**
+     * Object constructor.
+     *
+     * @param array         $doneUpdates Updates which are already done.
+     * @param LegacyLinkDB  $linkDB      LinkDB instance.
+     * @param ConfigManager $conf        Configuration Manager instance.
+     * @param boolean       $isLoggedIn  True if the user is logged in.
+     */
+    public function __construct($doneUpdates, $linkDB, $conf, $isLoggedIn)
+    {
+        parent::__construct($doneUpdates, $linkDB, $conf, $isLoggedIn);
+
+        // Retrieve all update methods.
+        // For unit test, only retrieve final methods,
+        $class = new ReflectionClass($this);
+        $this->methods = $class->getMethods(ReflectionMethod::IS_FINAL);
+    }
+
+    /**
+     * Update method 1.
+     *
+     * @return bool true.
+     */
+    final private function updateMethodDummy1()
+    {
+        return true;
+    }
+
+    /**
+     * Update method 2.
+     *
+     * @return bool true.
+     */
+    final private function updateMethodDummy2()
+    {
+        return true;
+    }
+
+    /**
+     * Update method 3.
+     *
+     * @return bool true.
+     */
+    final private function updateMethodDummy3()
+    {
+        return true;
+    }
+
+    /**
+     * Update method 4, raise an exception.
+     *
+     * @throws Exception error.
+     */
+    final private function updateMethodException()
+    {
+        throw new Exception('whatever');
+    }
+}
diff --git a/tests/legacy/LegacyLinkDBTest.php b/tests/legacy/LegacyLinkDBTest.php
new file mode 100644
index 00000000..17b2b0e6
--- /dev/null
+++ b/tests/legacy/LegacyLinkDBTest.php
@@ -0,0 +1,656 @@
+<?php
+/**
+ * Link datastore tests
+ */
+
+namespace Shaarli\Legacy;
+
+use DateTime;
+use ReferenceLinkDB;
+use ReflectionClass;
+use Shaarli;
+use Shaarli\Bookmark\Bookmark;
+
+require_once 'application/feed/Cache.php';
+require_once 'application/Utils.php';
+require_once 'tests/utils/ReferenceLinkDB.php';
+
+
+/**
+ * Unitary tests for LegacyLinkDBTest
+ */
+class LegacyLinkDBTest extends \PHPUnit\Framework\TestCase
+{
+    // datastore to test write operations
+    protected static $testDatastore = 'sandbox/datastore.php';
+
+    /**
+     * @var ReferenceLinkDB instance.
+     */
+    protected static $refDB = null;
+
+    /**
+     * @var LegacyLinkDB public LinkDB instance.
+     */
+    protected static $publicLinkDB = null;
+
+    /**
+     * @var LegacyLinkDB private LinkDB instance.
+     */
+    protected static $privateLinkDB = null;
+
+    /**
+     * Instantiates public and private LinkDBs with test data
+     *
+     * The reference datastore contains public and private bookmarks that
+     * will be used to test LinkDB's methods:
+     *  - access filtering (public/private),
+     *  - link searches:
+     *    - by day,
+     *    - by tag,
+     *    - by text,
+     *  - etc.
+     *
+     * Resets test data for each test
+     */
+    protected function setUp()
+    {
+        if (file_exists(self::$testDatastore)) {
+            unlink(self::$testDatastore);
+        }
+
+        self::$refDB = new ReferenceLinkDB(true);
+        self::$refDB->write(self::$testDatastore);
+        self::$publicLinkDB = new LegacyLinkDB(self::$testDatastore, false, false);
+        self::$privateLinkDB = new LegacyLinkDB(self::$testDatastore, true, false);
+    }
+
+    /**
+     * Allows to test LinkDB's private methods
+     *
+     * @see
+     *  https://sebastian-bergmann.de/archives/881-Testing-Your-Privates.html
+     *  http://stackoverflow.com/a/2798203
+     */
+    protected static function getMethod($name)
+    {
+        $class = new ReflectionClass('Shaarli\Legacy\LegacyLinkDB');
+        $method = $class->getMethod($name);
+        $method->setAccessible(true);
+        return $method;
+    }
+
+    /**
+     * Instantiate LinkDB objects - logged in user
+     */
+    public function testConstructLoggedIn()
+    {
+        new LegacyLinkDB(self::$testDatastore, true, false);
+        $this->assertFileExists(self::$testDatastore);
+    }
+
+    /**
+     * Instantiate LinkDB objects - logged out or public instance
+     */
+    public function testConstructLoggedOut()
+    {
+        new LegacyLinkDB(self::$testDatastore, false, false);
+        $this->assertFileExists(self::$testDatastore);
+    }
+
+    /**
+     * Attempt to instantiate a LinkDB whereas the datastore is not writable
+     *
+     * @expectedException              Shaarli\Exceptions\IOException
+     * @expectedExceptionMessageRegExp /Error accessing "null"/
+     */
+    public function testConstructDatastoreNotWriteable()
+    {
+        new LegacyLinkDB('null/store.db', false, false);
+    }
+
+    /**
+     * The DB doesn't exist, ensure it is created with dummy content
+     */
+    public function testCheckDBNew()
+    {
+        $linkDB = new LegacyLinkDB(self::$testDatastore, false, false);
+        unlink(self::$testDatastore);
+        $this->assertFileNotExists(self::$testDatastore);
+
+        $checkDB = self::getMethod('check');
+        $checkDB->invokeArgs($linkDB, array());
+        $this->assertFileExists(self::$testDatastore);
+
+        // ensure the correct data has been written
+        $this->assertGreaterThan(0, filesize(self::$testDatastore));
+    }
+
+    /**
+     * The DB exists, don't do anything
+     */
+    public function testCheckDBLoad()
+    {
+        $linkDB = new LegacyLinkDB(self::$testDatastore, false, false);
+        $datastoreSize = filesize(self::$testDatastore);
+        $this->assertGreaterThan(0, $datastoreSize);
+
+        $checkDB = self::getMethod('check');
+        $checkDB->invokeArgs($linkDB, array());
+
+        // ensure the datastore is left unmodified
+        $this->assertEquals(
+            $datastoreSize,
+            filesize(self::$testDatastore)
+        );
+    }
+
+    /**
+     * Load an empty DB
+     */
+    public function testReadEmptyDB()
+    {
+        file_put_contents(self::$testDatastore, '<?php /* S7QysKquBQA= */ ?>');
+        $emptyDB = new LegacyLinkDB(self::$testDatastore, false, false);
+        $this->assertEquals(0, sizeof($emptyDB));
+        $this->assertEquals(0, count($emptyDB));
+    }
+
+    /**
+     * Load public bookmarks from the DB
+     */
+    public function testReadPublicDB()
+    {
+        $this->assertEquals(
+            self::$refDB->countPublicLinks(),
+            sizeof(self::$publicLinkDB)
+        );
+    }
+
+    /**
+     * Load public and private bookmarks from the DB
+     */
+    public function testReadPrivateDB()
+    {
+        $this->assertEquals(
+            self::$refDB->countLinks(),
+            sizeof(self::$privateLinkDB)
+        );
+    }
+
+    /**
+     * Save the bookmarks to the DB
+     */
+    public function testSave()
+    {
+        $testDB = new LegacyLinkDB(self::$testDatastore, true, false);
+        $dbSize = sizeof($testDB);
+
+        $link = array(
+            'id' => 43,
+            'title' => 'an additional link',
+            'url' => 'http://dum.my',
+            'description' => 'One more',
+            'private' => 0,
+            'created' => DateTime::createFromFormat(Bookmark::LINK_DATE_FORMAT, '20150518_190000'),
+            'tags' => 'unit test'
+        );
+        $testDB[$link['id']] = $link;
+        $testDB->save('tests');
+
+        $testDB = new LegacyLinkDB(self::$testDatastore, true, false);
+        $this->assertEquals($dbSize + 1, sizeof($testDB));
+    }
+
+    /**
+     * Count existing bookmarks
+     */
+    public function testCount()
+    {
+        $this->assertEquals(
+            self::$refDB->countPublicLinks(),
+            self::$publicLinkDB->count()
+        );
+        $this->assertEquals(
+            self::$refDB->countLinks(),
+            self::$privateLinkDB->count()
+        );
+    }
+
+    /**
+     * Count existing bookmarks - public bookmarks hidden
+     */
+    public function testCountHiddenPublic()
+    {
+        $linkDB = new LegacyLinkDB(self::$testDatastore, false, true);
+
+        $this->assertEquals(
+            0,
+            $linkDB->count()
+        );
+        $this->assertEquals(
+            0,
+            $linkDB->count()
+        );
+    }
+
+    /**
+     * List the days for which bookmarks have been posted
+     */
+    public function testDays()
+    {
+        $this->assertEquals(
+            array('20100309', '20100310', '20121206', '20121207', '20130614', '20150310'),
+            self::$publicLinkDB->days()
+        );
+
+        $this->assertEquals(
+            array('20100309', '20100310', '20121206', '20121207', '20130614', '20141125', '20150310'),
+            self::$privateLinkDB->days()
+        );
+    }
+
+    /**
+     * The URL corresponds to an existing entry in the DB
+     */
+    public function testGetKnownLinkFromURL()
+    {
+        $link = self::$publicLinkDB->getLinkFromUrl('http://mediagoblin.org/');
+
+        $this->assertNotEquals(false, $link);
+        $this->assertContains(
+            'A free software media publishing platform',
+            $link['description']
+        );
+    }
+
+    /**
+     * The URL is not in the DB
+     */
+    public function testGetUnknownLinkFromURL()
+    {
+        $this->assertEquals(
+            false,
+            self::$publicLinkDB->getLinkFromUrl('http://dev.null')
+        );
+    }
+
+    /**
+     * Lists all tags
+     */
+    public function testAllTags()
+    {
+        $this->assertEquals(
+            array(
+                'web' => 3,
+                'cartoon' => 2,
+                'gnu' => 2,
+                'dev' => 1,
+                'samba' => 1,
+                'media' => 1,
+                'software' => 1,
+                'stallman' => 1,
+                'free' => 1,
+                '-exclude' => 1,
+                'hashtag' => 2,
+                // The DB contains a link with `sTuff` and another one with `stuff` tag.
+                // They need to be grouped with the first case found - order by date DESC: `sTuff`.
+                'sTuff' => 2,
+                'ut' => 1,
+            ),
+            self::$publicLinkDB->linksCountPerTag()
+        );
+
+        $this->assertEquals(
+            array(
+                'web' => 4,
+                'cartoon' => 3,
+                'gnu' => 2,
+                'dev' => 2,
+                'samba' => 1,
+                'media' => 1,
+                'software' => 1,
+                'stallman' => 1,
+                'free' => 1,
+                'html' => 1,
+                'w3c' => 1,
+                'css' => 1,
+                'Mercurial' => 1,
+                'sTuff' => 2,
+                '-exclude' => 1,
+                '.hidden' => 1,
+                'hashtag' => 2,
+                'tag1' => 1,
+                'tag2' => 1,
+                'tag3' => 1,
+                'tag4' => 1,
+                'ut' => 1,
+            ),
+            self::$privateLinkDB->linksCountPerTag()
+        );
+        $this->assertEquals(
+            array(
+                'web' => 4,
+                'cartoon' => 2,
+                'gnu' => 1,
+                'dev' => 1,
+                'samba' => 1,
+                'media' => 1,
+                'html' => 1,
+                'w3c' => 1,
+                'css' => 1,
+                'Mercurial' => 1,
+                '.hidden' => 1,
+                'hashtag' => 1,
+            ),
+            self::$privateLinkDB->linksCountPerTag(['web'])
+        );
+        $this->assertEquals(
+            array(
+                'web' => 1,
+                'html' => 1,
+                'w3c' => 1,
+                'css' => 1,
+                'Mercurial' => 1,
+            ),
+            self::$privateLinkDB->linksCountPerTag(['web'], 'private')
+        );
+    }
+
+    /**
+     * Test filter with string.
+     */
+    public function testFilterString()
+    {
+        $tags = 'dev cartoon';
+        $request = array('searchtags' => $tags);
+        $this->assertEquals(
+            2,
+            count(self::$privateLinkDB->filterSearch($request, true, false))
+        );
+    }
+
+    /**
+     * Test filter with string.
+     */
+    public function testFilterArray()
+    {
+        $tags = array('dev', 'cartoon');
+        $request = array('searchtags' => $tags);
+        $this->assertEquals(
+            2,
+            count(self::$privateLinkDB->filterSearch($request, true, false))
+        );
+    }
+
+    /**
+     * Test hidden tags feature:
+     *  tags starting with a dot '.' are only visible when logged in.
+     */
+    public function testHiddenTags()
+    {
+        $tags = '.hidden';
+        $request = array('searchtags' => $tags);
+        $this->assertEquals(
+            1,
+            count(self::$privateLinkDB->filterSearch($request, true, false))
+        );
+
+        $this->assertEquals(
+            0,
+            count(self::$publicLinkDB->filterSearch($request, true, false))
+        );
+    }
+
+    /**
+     * Test filterHash() with a valid smallhash.
+     */
+    public function testFilterHashValid()
+    {
+        $request = smallHash('20150310_114651');
+        $this->assertEquals(
+            1,
+            count(self::$publicLinkDB->filterHash($request))
+        );
+        $request = smallHash('20150310_114633' . 8);
+        $this->assertEquals(
+            1,
+            count(self::$publicLinkDB->filterHash($request))
+        );
+    }
+
+    /**
+     * Test filterHash() with an invalid smallhash.
+     *
+     * @expectedException \Shaarli\Bookmark\Exception\BookmarkNotFoundException
+     */
+    public function testFilterHashInValid1()
+    {
+        $request = 'blabla';
+        self::$publicLinkDB->filterHash($request);
+    }
+
+    /**
+     * Test filterHash() with an empty smallhash.
+     *
+     * @expectedException \Shaarli\Bookmark\Exception\BookmarkNotFoundException
+     */
+    public function testFilterHashInValid()
+    {
+        self::$publicLinkDB->filterHash('');
+    }
+
+    /**
+     * Test reorder with asc/desc parameter.
+     */
+    public function testReorderLinksDesc()
+    {
+        self::$privateLinkDB->reorder('ASC');
+        $stickyIds = [11, 10];
+        $standardIds = [42, 4, 9, 1, 0, 7, 6, 8, 41];
+        $linkIds = array_merge($stickyIds, $standardIds);
+        $cpt = 0;
+        foreach (self::$privateLinkDB as $key => $value) {
+            $this->assertEquals($linkIds[$cpt++], $key);
+        }
+        self::$privateLinkDB->reorder('DESC');
+        $linkIds = array_merge(array_reverse($stickyIds), array_reverse($standardIds));
+        $cpt = 0;
+        foreach (self::$privateLinkDB as $key => $value) {
+            $this->assertEquals($linkIds[$cpt++], $key);
+        }
+    }
+
+    /**
+     * Test rename tag with a valid value present in multiple bookmarks
+     */
+    public function testRenameTagMultiple()
+    {
+        self::$refDB->write(self::$testDatastore);
+        $linkDB = new LegacyLinkDB(self::$testDatastore, true, false);
+
+        $res = $linkDB->renameTag('cartoon', 'Taz');
+        $this->assertEquals(3, count($res));
+        $this->assertContains(' Taz ', $linkDB[4]['tags']);
+        $this->assertContains(' Taz ', $linkDB[1]['tags']);
+        $this->assertContains(' Taz ', $linkDB[0]['tags']);
+    }
+
+    /**
+     * Test rename tag with a valid value
+     */
+    public function testRenameTagCaseSensitive()
+    {
+        self::$refDB->write(self::$testDatastore);
+        $linkDB = new LegacyLinkDB(self::$testDatastore, true, false);
+
+        $res = $linkDB->renameTag('sTuff', 'Taz');
+        $this->assertEquals(1, count($res));
+        $this->assertEquals('Taz', $linkDB[41]['tags']);
+    }
+
+    /**
+     * Test rename tag with invalid values
+     */
+    public function testRenameTagInvalid()
+    {
+        $linkDB = new LegacyLinkDB(self::$testDatastore, false, false);
+
+        $this->assertFalse($linkDB->renameTag('', 'test'));
+        $this->assertFalse($linkDB->renameTag('', ''));
+        // tag non existent
+        $this->assertEquals([], $linkDB->renameTag('test', ''));
+        $this->assertEquals([], $linkDB->renameTag('test', 'retest'));
+    }
+
+    /**
+     * Test delete tag with a valid value
+     */
+    public function testDeleteTag()
+    {
+        self::$refDB->write(self::$testDatastore);
+        $linkDB = new LegacyLinkDB(self::$testDatastore, true, false);
+
+        $res = $linkDB->renameTag('cartoon', null);
+        $this->assertEquals(3, count($res));
+        $this->assertNotContains('cartoon', $linkDB[4]['tags']);
+    }
+
+    /**
+     * Test linksCountPerTag all tags without filter.
+     * Equal occurrences should be sorted alphabetically.
+     */
+    public function testCountLinkPerTagAllNoFilter()
+    {
+        $expected = [
+            'web' => 4,
+            'cartoon' => 3,
+            'dev' => 2,
+            'gnu' => 2,
+            'hashtag' => 2,
+            'sTuff' => 2,
+            '-exclude' => 1,
+            '.hidden' => 1,
+            'Mercurial' => 1,
+            'css' => 1,
+            'free' => 1,
+            'html' => 1,
+            'media' => 1,
+            'samba' => 1,
+            'software' => 1,
+            'stallman' => 1,
+            'tag1' => 1,
+            'tag2' => 1,
+            'tag3' => 1,
+            'tag4' => 1,
+            'ut' => 1,
+            'w3c' => 1,
+        ];
+        $tags = self::$privateLinkDB->linksCountPerTag();
+
+        $this->assertEquals($expected, $tags, var_export($tags, true));
+    }
+
+    /**
+     * Test linksCountPerTag all tags with filter.
+     * Equal occurrences should be sorted alphabetically.
+     */
+    public function testCountLinkPerTagAllWithFilter()
+    {
+        $expected = [
+            'gnu' => 2,
+            'hashtag' => 2,
+            '-exclude' => 1,
+            '.hidden' => 1,
+            'free' => 1,
+            'media' => 1,
+            'software' => 1,
+            'stallman' => 1,
+            'stuff' => 1,
+            'web' => 1,
+        ];
+        $tags = self::$privateLinkDB->linksCountPerTag(['gnu']);
+
+        $this->assertEquals($expected, $tags, var_export($tags, true));
+    }
+
+    /**
+     * Test linksCountPerTag public tags with filter.
+     * Equal occurrences should be sorted alphabetically.
+     */
+    public function testCountLinkPerTagPublicWithFilter()
+    {
+        $expected = [
+            'gnu' => 2,
+            'hashtag' => 2,
+            '-exclude' => 1,
+            '.hidden' => 1,
+            'free' => 1,
+            'media' => 1,
+            'software' => 1,
+            'stallman' => 1,
+            'stuff' => 1,
+            'web' => 1,
+        ];
+        $tags = self::$privateLinkDB->linksCountPerTag(['gnu'], 'public');
+
+        $this->assertEquals($expected, $tags, var_export($tags, true));
+    }
+
+    /**
+     * Test linksCountPerTag public tags with filter.
+     * Equal occurrences should be sorted alphabetically.
+     */
+    public function testCountLinkPerTagPrivateWithFilter()
+    {
+        $expected = [
+            'cartoon' => 1,
+            'dev' => 1,
+            'tag1' => 1,
+            'tag2' => 1,
+            'tag3' => 1,
+            'tag4' => 1,
+        ];
+        $tags = self::$privateLinkDB->linksCountPerTag(['dev'], 'private');
+
+        $this->assertEquals($expected, $tags, var_export($tags, true));
+    }
+
+    /**
+     * Make sure that bookmarks with the same timestamp have a consistent order:
+     * if their creation date is equal, bookmarks are sorted by ID DESC.
+     */
+    public function testConsistentOrder()
+    {
+        $nextId = 43;
+        $creation = DateTime::createFromFormat('Ymd_His', '20190807_130444');
+        $linkDB = new LegacyLinkDB(self::$testDatastore, true, false);
+        for ($i = 0; $i < 4; ++$i) {
+            $linkDB[$nextId + $i] = [
+                'id' => $nextId + $i,
+                'url' => 'http://'. $i,
+                'created' => $creation,
+                'title' => true,
+                'description' => true,
+                'tags' => true,
+            ];
+        }
+
+        // Check 4 new links 4 times
+        for ($i = 0; $i < 4; ++$i) {
+            $linkDB->save('tests');
+            $linkDB = new LegacyLinkDB(self::$testDatastore, true, false);
+            $count = 3;
+            foreach ($linkDB as $link) {
+                if ($link['sticky'] === true) {
+                    continue;
+                }
+                $this->assertEquals($nextId + $count, $link['id']);
+                $this->assertEquals('http://'. $count, $link['url']);
+                if (--$count < 0) {
+                    break;
+                }
+            }
+        }
+    }
+}
diff --git a/tests/legacy/LegacyLinkFilterTest.php b/tests/legacy/LegacyLinkFilterTest.php
new file mode 100644
index 00000000..ba9ec529
--- /dev/null
+++ b/tests/legacy/LegacyLinkFilterTest.php
@@ -0,0 +1,509 @@
+<?php
+
+namespace Shaarli\Bookmark;
+
+use Exception;
+use ReferenceLinkDB;
+use Shaarli\Legacy\LegacyLinkDB;
+use Shaarli\Legacy\LegacyLinkFilter;
+
+/**
+ * Class LegacyLinkFilterTest.
+ */
+class LegacyLinkFilterTest extends \PHPUnit\Framework\TestCase
+{
+    /**
+     * @var string Test datastore path.
+     */
+    protected static $testDatastore = 'sandbox/datastore.php';
+    /**
+     * @var BookmarkFilter instance.
+     */
+    protected static $linkFilter;
+
+    /**
+     * @var ReferenceLinkDB instance
+     */
+    protected static $refDB;
+
+    /**
+     * @var LegacyLinkDB instance
+     */
+    protected static $linkDB;
+
+    /**
+     * Instantiate linkFilter with ReferenceLinkDB data.
+     */
+    public static function setUpBeforeClass()
+    {
+        self::$refDB = new ReferenceLinkDB(true);
+        self::$refDB->write(self::$testDatastore);
+        self::$linkDB = new LegacyLinkDB(self::$testDatastore, true, false);
+        self::$linkFilter = new LegacyLinkFilter(self::$linkDB);
+    }
+
+    /**
+     * Blank filter.
+     */
+    public function testFilter()
+    {
+        $this->assertEquals(
+            self::$refDB->countLinks(),
+            count(self::$linkFilter->filter('', ''))
+        );
+
+        $this->assertEquals(
+            self::$refDB->countLinks(),
+            count(self::$linkFilter->filter('', '', 'all'))
+        );
+
+        $this->assertEquals(
+            self::$refDB->countLinks(),
+            count(self::$linkFilter->filter('', '', 'randomstr'))
+        );
+
+        // Private only.
+        $this->assertEquals(
+            self::$refDB->countPrivateLinks(),
+            count(self::$linkFilter->filter('', '', false, 'private'))
+        );
+
+        // Public only.
+        $this->assertEquals(
+            self::$refDB->countPublicLinks(),
+            count(self::$linkFilter->filter('', '', false, 'public'))
+        );
+
+        $this->assertEquals(
+            ReferenceLinkDB::$NB_LINKS_TOTAL,
+            count(self::$linkFilter->filter(LegacyLinkFilter::$FILTER_TAG, ''))
+        );
+
+        $this->assertEquals(
+            self::$refDB->countUntaggedLinks(),
+            count(
+                self::$linkFilter->filter(
+                    LegacyLinkFilter::$FILTER_TAG,
+                    /*$request=*/
+                    '',
+                    /*$casesensitive=*/
+                    false,
+                    /*$visibility=*/
+                    'all',
+                    /*$untaggedonly=*/
+                    true
+                )
+            )
+        );
+
+        $this->assertEquals(
+            ReferenceLinkDB::$NB_LINKS_TOTAL,
+            count(self::$linkFilter->filter(LegacyLinkFilter::$FILTER_TEXT, ''))
+        );
+    }
+
+    /**
+     * Filter bookmarks using a tag
+     */
+    public function testFilterOneTag()
+    {
+        $this->assertEquals(
+            4,
+            count(self::$linkFilter->filter(LegacyLinkFilter::$FILTER_TAG, 'web', false))
+        );
+
+        $this->assertEquals(
+            4,
+            count(self::$linkFilter->filter(LegacyLinkFilter::$FILTER_TAG, 'web', false, 'all'))
+        );
+
+        $this->assertEquals(
+            4,
+            count(self::$linkFilter->filter(LegacyLinkFilter::$FILTER_TAG, 'web', false, 'default-blabla'))
+        );
+
+        // Private only.
+        $this->assertEquals(
+            1,
+            count(self::$linkFilter->filter(LegacyLinkFilter::$FILTER_TAG, 'web', false, 'private'))
+        );
+
+        // Public only.
+        $this->assertEquals(
+            3,
+            count(self::$linkFilter->filter(LegacyLinkFilter::$FILTER_TAG, 'web', false, 'public'))
+        );
+    }
+
+    /**
+     * Filter bookmarks using a tag - case-sensitive
+     */
+    public function testFilterCaseSensitiveTag()
+    {
+        $this->assertEquals(
+            0,
+            count(self::$linkFilter->filter(LegacyLinkFilter::$FILTER_TAG, 'mercurial', true))
+        );
+
+        $this->assertEquals(
+            1,
+            count(self::$linkFilter->filter(LegacyLinkFilter::$FILTER_TAG, 'Mercurial', true))
+        );
+    }
+
+    /**
+     * Filter bookmarks using a tag combination
+     */
+    public function testFilterMultipleTags()
+    {
+        $this->assertEquals(
+            2,
+            count(self::$linkFilter->filter(LegacyLinkFilter::$FILTER_TAG, 'dev cartoon', false))
+        );
+    }
+
+    /**
+     * Filter bookmarks using a non-existent tag
+     */
+    public function testFilterUnknownTag()
+    {
+        $this->assertEquals(
+            0,
+            count(self::$linkFilter->filter(LegacyLinkFilter::$FILTER_TAG, 'null', false))
+        );
+    }
+
+    /**
+     * Return bookmarks for a given day
+     */
+    public function testFilterDay()
+    {
+        $this->assertEquals(
+            4,
+            count(self::$linkFilter->filter(LegacyLinkFilter::$FILTER_DAY, '20121206'))
+        );
+    }
+
+    /**
+     * 404 - day not found
+     */
+    public function testFilterUnknownDay()
+    {
+        $this->assertEquals(
+            0,
+            count(self::$linkFilter->filter(LegacyLinkFilter::$FILTER_DAY, '19700101'))
+        );
+    }
+
+    /**
+     * Use an invalid date format
+     * @expectedException              Exception
+     * @expectedExceptionMessageRegExp /Invalid date format/
+     */
+    public function testFilterInvalidDayWithChars()
+    {
+        self::$linkFilter->filter(LegacyLinkFilter::$FILTER_DAY, 'Rainy day, dream away');
+    }
+
+    /**
+     * Use an invalid date format
+     * @expectedException              Exception
+     * @expectedExceptionMessageRegExp /Invalid date format/
+     */
+    public function testFilterInvalidDayDigits()
+    {
+        self::$linkFilter->filter(LegacyLinkFilter::$FILTER_DAY, '20');
+    }
+
+    /**
+     * Retrieve a link entry with its hash
+     */
+    public function testFilterSmallHash()
+    {
+        $links = self::$linkFilter->filter(LegacyLinkFilter::$FILTER_HASH, 'IuWvgA');
+
+        $this->assertEquals(
+            1,
+            count($links)
+        );
+
+        $this->assertEquals(
+            'MediaGoblin',
+            $links[7]['title']
+        );
+    }
+
+    /**
+     * No link for this hash
+     *
+     * @expectedException \Shaarli\Bookmark\Exception\BookmarkNotFoundException
+     */
+    public function testFilterUnknownSmallHash()
+    {
+        self::$linkFilter->filter(LegacyLinkFilter::$FILTER_HASH, 'Iblaah');
+    }
+
+    /**
+     * Full-text search - no result found.
+     */
+    public function testFilterFullTextNoResult()
+    {
+        $this->assertEquals(
+            0,
+            count(self::$linkFilter->filter(LegacyLinkFilter::$FILTER_TEXT, 'azertyuiop'))
+        );
+    }
+
+    /**
+     * Full-text search - result from a link's URL
+     */
+    public function testFilterFullTextURL()
+    {
+        $this->assertEquals(
+            2,
+            count(self::$linkFilter->filter(LegacyLinkFilter::$FILTER_TEXT, 'ars.userfriendly.org'))
+        );
+
+        $this->assertEquals(
+            2,
+            count(self::$linkFilter->filter(LegacyLinkFilter::$FILTER_TEXT, 'ars org'))
+        );
+    }
+
+    /**
+     * Full-text search - result from a link's title only
+     */
+    public function testFilterFullTextTitle()
+    {
+        // use miscellaneous cases
+        $this->assertEquals(
+            2,
+            count(self::$linkFilter->filter(LegacyLinkFilter::$FILTER_TEXT, 'userfriendly -'))
+        );
+        $this->assertEquals(
+            2,
+            count(self::$linkFilter->filter(LegacyLinkFilter::$FILTER_TEXT, 'UserFriendly -'))
+        );
+        $this->assertEquals(
+            2,
+            count(self::$linkFilter->filter(LegacyLinkFilter::$FILTER_TEXT, 'uSeRFrIendlY -'))
+        );
+
+        // use miscellaneous case and offset
+        $this->assertEquals(
+            2,
+            count(self::$linkFilter->filter(LegacyLinkFilter::$FILTER_TEXT, 'RFrIendL'))
+        );
+    }
+
+    /**
+     * Full-text search - result from the link's description only
+     */
+    public function testFilterFullTextDescription()
+    {
+        $this->assertEquals(
+            1,
+            count(self::$linkFilter->filter(LegacyLinkFilter::$FILTER_TEXT, 'publishing media'))
+        );
+
+        $this->assertEquals(
+            1,
+            count(self::$linkFilter->filter(LegacyLinkFilter::$FILTER_TEXT, 'mercurial w3c'))
+        );
+
+        $this->assertEquals(
+            3,
+            count(self::$linkFilter->filter(LegacyLinkFilter::$FILTER_TEXT, '"free software"'))
+        );
+    }
+
+    /**
+     * Full-text search - result from the link's tags only
+     */
+    public function testFilterFullTextTags()
+    {
+        $this->assertEquals(
+            6,
+            count(self::$linkFilter->filter(LegacyLinkFilter::$FILTER_TEXT, 'web'))
+        );
+
+        $this->assertEquals(
+            6,
+            count(self::$linkFilter->filter(LegacyLinkFilter::$FILTER_TEXT, 'web', 'all'))
+        );
+
+        $this->assertEquals(
+            6,
+            count(self::$linkFilter->filter(LegacyLinkFilter::$FILTER_TEXT, 'web', 'bla'))
+        );
+
+        // Private only.
+        $this->assertEquals(
+            1,
+            count(self::$linkFilter->filter(LegacyLinkFilter::$FILTER_TEXT, 'web', false, 'private'))
+        );
+
+        // Public only.
+        $this->assertEquals(
+            5,
+            count(self::$linkFilter->filter(LegacyLinkFilter::$FILTER_TEXT, 'web', false, 'public'))
+        );
+    }
+
+    /**
+     * Full-text search - result set from mixed sources
+     */
+    public function testFilterFullTextMixed()
+    {
+        $this->assertEquals(
+            3,
+            count(self::$linkFilter->filter(LegacyLinkFilter::$FILTER_TEXT, 'free software'))
+        );
+    }
+
+    /**
+     * Full-text search - test exclusion with '-'.
+     */
+    public function testExcludeSearch()
+    {
+        $this->assertEquals(
+            1,
+            count(self::$linkFilter->filter(LegacyLinkFilter::$FILTER_TEXT, 'free -gnu'))
+        );
+
+        $this->assertEquals(
+            ReferenceLinkDB::$NB_LINKS_TOTAL - 1,
+            count(self::$linkFilter->filter(LegacyLinkFilter::$FILTER_TEXT, '-revolution'))
+        );
+    }
+
+    /**
+     * Full-text search - test AND, exact terms and exclusion combined, across fields.
+     */
+    public function testMultiSearch()
+    {
+        $this->assertEquals(
+            2,
+            count(self::$linkFilter->filter(
+                LegacyLinkFilter::$FILTER_TEXT,
+                '"Free Software " stallman "read this" @website stuff'
+            ))
+        );
+
+        $this->assertEquals(
+            1,
+            count(self::$linkFilter->filter(
+                LegacyLinkFilter::$FILTER_TEXT,
+                '"free software " stallman "read this" -beard @website stuff'
+            ))
+        );
+    }
+
+    /**
+     * Full-text search - make sure that exact search won't work across fields.
+     */
+    public function testSearchExactTermMultiFieldsKo()
+    {
+        $this->assertEquals(
+            0,
+            count(self::$linkFilter->filter(
+                LegacyLinkFilter::$FILTER_TEXT,
+                '"designer naming"'
+            ))
+        );
+
+        $this->assertEquals(
+            0,
+            count(self::$linkFilter->filter(
+                LegacyLinkFilter::$FILTER_TEXT,
+                '"designernaming"'
+            ))
+        );
+    }
+
+    /**
+     * Tag search with exclusion.
+     */
+    public function testTagFilterWithExclusion()
+    {
+        $this->assertEquals(
+            1,
+            count(self::$linkFilter->filter(LegacyLinkFilter::$FILTER_TAG, 'gnu -free'))
+        );
+
+        $this->assertEquals(
+            ReferenceLinkDB::$NB_LINKS_TOTAL - 1,
+            count(self::$linkFilter->filter(LegacyLinkFilter::$FILTER_TAG, '-free'))
+        );
+    }
+
+    /**
+     * Test crossed search (terms + tags).
+     */
+    public function testFilterCrossedSearch()
+    {
+        $terms = '"Free Software " stallman "read this" @website stuff';
+        $tags = 'free';
+        $this->assertEquals(
+            1,
+            count(self::$linkFilter->filter(
+                LegacyLinkFilter::$FILTER_TAG | LegacyLinkFilter::$FILTER_TEXT,
+                array($tags, $terms)
+            ))
+        );
+        $this->assertEquals(
+            2,
+            count(self::$linkFilter->filter(
+                LegacyLinkFilter::$FILTER_TAG | LegacyLinkFilter::$FILTER_TEXT,
+                array('', $terms)
+            ))
+        );
+        $this->assertEquals(
+            1,
+            count(self::$linkFilter->filter(
+                LegacyLinkFilter::$FILTER_TAG | LegacyLinkFilter::$FILTER_TEXT,
+                array(false, 'PSR-2')
+            ))
+        );
+        $this->assertEquals(
+            1,
+            count(self::$linkFilter->filter(
+                LegacyLinkFilter::$FILTER_TAG | LegacyLinkFilter::$FILTER_TEXT,
+                array($tags, '')
+            ))
+        );
+        $this->assertEquals(
+            ReferenceLinkDB::$NB_LINKS_TOTAL,
+            count(self::$linkFilter->filter(
+                LegacyLinkFilter::$FILTER_TAG | LegacyLinkFilter::$FILTER_TEXT,
+                ''
+            ))
+        );
+    }
+
+    /**
+     * Filter bookmarks by #hashtag.
+     */
+    public function testFilterByHashtag()
+    {
+        $hashtag = 'hashtag';
+        $this->assertEquals(
+            3,
+            count(self::$linkFilter->filter(
+                LegacyLinkFilter::$FILTER_TAG,
+                $hashtag
+            ))
+        );
+
+        $hashtag = 'private';
+        $this->assertEquals(
+            1,
+            count(self::$linkFilter->filter(
+                LegacyLinkFilter::$FILTER_TAG,
+                $hashtag,
+                false,
+                'private'
+            ))
+        );
+    }
+}
diff --git a/tests/legacy/LegacyUpdaterTest.php b/tests/legacy/LegacyUpdaterTest.php
new file mode 100644
index 00000000..7c429811
--- /dev/null
+++ b/tests/legacy/LegacyUpdaterTest.php
@@ -0,0 +1,886 @@
+<?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 \PHPUnit\Framework\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 $conf;
+
+    /**
+     * Executed before each test.
+     */
+    public function setUp()
+    {
+        copy('tests/utils/config/configJson.json.php', self::$configFile .'.json.php');
+        $this->conf = new ConfigManager(self::$configFile);
+    }
+
+    /**
+     * Test UpdaterUtils::read_updates_file with an empty/missing file.
+     */
+    public function testReadEmptyUpdatesFile()
+    {
+        $this->assertEquals(array(), UpdaterUtils::read_updates_file(''));
+        $updatesFile = $this->conf->get('resource.data_dir') . '/updates.txt';
+        touch($updatesFile);
+        $this->assertEquals(array(), UpdaterUtils::read_updates_file($updatesFile));
+        unlink($updatesFile);
+    }
+
+    /**
+     * Test read/write updates file.
+     */
+    public function testReadWriteUpdatesFile()
+    {
+        $updatesFile = $this->conf->get('resource.data_dir') . '/updates.txt';
+        $updatesMethods = array('m1', 'm2', 'm3');
+
+        UpdaterUtils::write_updates_file($updatesFile, $updatesMethods);
+        $readMethods = UpdaterUtils::read_updates_file($updatesFile);
+        $this->assertEquals($readMethods, $updatesMethods);
+
+        // Update
+        $updatesMethods[] = 'm4';
+        UpdaterUtils::write_updates_file($updatesFile, $updatesMethods);
+        $readMethods = UpdaterUtils::read_updates_file($updatesFile);
+        $this->assertEquals($readMethods, $updatesMethods);
+        unlink($updatesFile);
+    }
+
+    /**
+     * Test errors in UpdaterUtils::write_updates_file(): empty updates file.
+     *
+     * @expectedException              Exception
+     * @expectedExceptionMessageRegExp /Updates file path is not set(.*)/
+     */
+    public function testWriteEmptyUpdatesFile()
+    {
+        UpdaterUtils::write_updates_file('', array('test'));
+    }
+
+    /**
+     * Test errors in UpdaterUtils::write_updates_file(): not writable updates file.
+     *
+     * @expectedException              Exception
+     * @expectedExceptionMessageRegExp /Unable to write(.*)/
+     */
+    public function testWriteUpdatesFileNotWritable()
+    {
+        $updatesFile = $this->conf->get('resource.data_dir') . '/updates.txt';
+        touch($updatesFile);
+        chmod($updatesFile, 0444);
+        try {
+            @UpdaterUtils::write_updates_file($updatesFile, array('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 = array(
+            'updateMethodDummy1',
+            'updateMethodDummy2',
+            'updateMethodDummy3',
+            'updateMethodException',
+        );
+        $updater = new DummyUpdater($updates, array(), $this->conf, true);
+        $this->assertEquals(array(), $updater->update());
+
+        $updater = new DummyUpdater(array(), array(), $this->conf, false);
+        $this->assertEquals(array(), $updater->update());
+    }
+
+    /**
+     * Test the update() method, with all updates to run (except the failing one).
+     */
+    public function testUpdatesFirstTime()
+    {
+        $updates = array('updateMethodException',);
+        $expectedUpdates = array(
+            'updateMethodDummy1',
+            'updateMethodDummy2',
+            'updateMethodDummy3',
+        );
+        $updater = new DummyUpdater($updates, array(), $this->conf, true);
+        $this->assertEquals($expectedUpdates, $updater->update());
+    }
+
+    /**
+     * Test the update() method, only one update to run.
+     */
+    public function testOneUpdate()
+    {
+        $updates = array(
+            'updateMethodDummy1',
+            'updateMethodDummy3',
+            'updateMethodException',
+        );
+        $expectedUpdate = array('updateMethodDummy2');
+
+        $updater = new DummyUpdater($updates, array(), $this->conf, true);
+        $this->assertEquals($expectedUpdate, $updater->update());
+    }
+
+    /**
+     * Test Update failed.
+     *
+     * @expectedException \Exception
+     */
+    public function testUpdateFailed()
+    {
+        $updates = array(
+            'updateMethodDummy1',
+            'updateMethodDummy2',
+            'updateMethodDummy3',
+        );
+
+        $updater = new DummyUpdater($updates, array(), $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(array(), array(), $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(array(), array(), $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(array('searchtags' => 'exclude')));
+        $updater = new LegacyUpdater(array(), $linkDB, $this->conf, true);
+        $updater->updateMethodRenameDashTags();
+        $this->assertNotEmpty($linkDB->filterSearch(array('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(array(), array(), $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(array(), array(), $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(array(), array(), $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(array(), array(), $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(array(), array(), $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 = array(
+            '20121206_182539' => array(
+                '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' => array(
+                'linkdate' => '20121206_172539',
+                'title' => 'UserFriendly - Samba',
+                'url' => 'http://ars.userfriendly.org/cartoons/?id=20010306',
+                'description' => '',
+                'tags' => 'samba cartoon web',
+                'private' => false,
+            ),
+            '20121206_142300' => array(
+                '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(array(), $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(array(), $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->assertContains('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(array(), $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(array(), $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')));
+    }
+}