8 files changed, 317 insertions, 95 deletions

diff --git a/tests/FeedBuilderTest.php b/tests/FeedBuilderTest.php
index d7839402..06a44506 100644
--- a/tests/FeedBuilderTest.php
+++ b/tests/FeedBuilderTest.php
@@ -84,8 +84,9 @@ class FeedBuilderTest extends PHPUnit_Framework_TestCase
         $this->assertEquals(ReferenceLinkDB::$NB_LINKS_TOTAL, count($data['links']));
 
         // Test first link (note link)
-        $link = array_shift($data['links']);
-        $this->assertEquals('20150310_114651', $link['linkdate']);
+        $link = reset($data['links']);
+        $this->assertEquals(41, $link['id']);
+        $this->assertEquals(DateTime::createFromFormat(LinkDB::LINK_DATE_FORMAT, '20150310_114651'), $link['created']);
         $this->assertEquals('http://host.tld/?WDWyig', $link['guid']);
         $this->assertEquals('http://host.tld/?WDWyig', $link['url']);
         $this->assertRegExp('/Tue, 10 Mar 2015 11:46:51 \+\d{4}/', $link['pub_iso_date']);
@@ -99,14 +100,14 @@ class FeedBuilderTest extends PHPUnit_Framework_TestCase
         $this->assertEquals('sTuff', $link['taglist'][0]);
 
         // Test URL with external link.
-        $this->assertEquals('https://static.fsf.org/nosvn/faif-2.0.pdf', $data['links']['20150310_114633']['url']);
+        $this->assertEquals('https://static.fsf.org/nosvn/faif-2.0.pdf', $data['links'][8]['url']);
 
         // Test multitags.
-        $this->assertEquals(5, count($data['links']['20141125_084734']['taglist']));
-        $this->assertEquals('css', $data['links']['20141125_084734']['taglist'][0]);
+        $this->assertEquals(5, count($data['links'][6]['taglist']));
+        $this->assertEquals('css', $data['links'][6]['taglist'][0]);
 
         // Test update date
-        $this->assertRegExp('/2016-08-03T09:30:33\+\d{2}:\d{2}/', $data['links']['20150310_114633']['up_iso_date']);
+        $this->assertRegExp('/2016-08-03T09:30:33\+\d{2}:\d{2}/', $data['links'][8]['up_iso_date']);
     }
 
     /**
@@ -119,9 +120,9 @@ class FeedBuilderTest extends PHPUnit_Framework_TestCase
         $data = $feedBuilder->buildData();
         $this->assertEquals(ReferenceLinkDB::$NB_LINKS_TOTAL, count($data['links']));
         $this->assertRegExp('/2016-08-03T09:30:33\+\d{2}:\d{2}/', $data['last_update']);
-        $link = array_shift($data['links']);
+        $link = reset($data['links']);
         $this->assertRegExp('/2015-03-10T11:46:51\+\d{2}:\d{2}/', $link['pub_iso_date']);
-        $this->assertRegExp('/2016-08-03T09:30:33\+\d{2}:\d{2}/', $data['links']['20150310_114633']['up_iso_date']);
+        $this->assertRegExp('/2016-08-03T09:30:33\+\d{2}:\d{2}/', $data['links'][8]['up_iso_date']);
     }
 
     /**
@@ -138,7 +139,8 @@ class FeedBuilderTest extends PHPUnit_Framework_TestCase
         $data = $feedBuilder->buildData();
         $this->assertEquals(1, count($data['links']));
         $link = array_shift($data['links']);
-        $this->assertEquals('20150310_114651', $link['linkdate']);
+        $this->assertEquals(41, $link['id']);
+        $this->assertEquals(DateTime::createFromFormat(LinkDB::LINK_DATE_FORMAT, '20150310_114651'), $link['created']);
     }
 
     /**
@@ -154,7 +156,8 @@ class FeedBuilderTest extends PHPUnit_Framework_TestCase
         $data = $feedBuilder->buildData();
         $this->assertEquals(1, count($data['links']));
         $link = array_shift($data['links']);
-        $this->assertEquals('20150310_114651', $link['linkdate']);
+        $this->assertEquals(41, $link['id']);
+        $this->assertEquals(DateTime::createFromFormat(LinkDB::LINK_DATE_FORMAT, '20150310_114651'), $link['created']);
     }
 
     /**
@@ -170,15 +173,17 @@ class FeedBuilderTest extends PHPUnit_Framework_TestCase
         $this->assertTrue($data['usepermalinks']);
         // First link is a permalink
         $link = array_shift($data['links']);
-        $this->assertEquals('20150310_114651', $link['linkdate']);
+        $this->assertEquals(41, $link['id']);
+        $this->assertEquals(DateTime::createFromFormat(LinkDB::LINK_DATE_FORMAT, '20150310_114651'), $link['created']);
         $this->assertEquals('http://host.tld/?WDWyig', $link['guid']);
         $this->assertEquals('http://host.tld/?WDWyig', $link['url']);
         $this->assertContains('Direct link', $link['description']);
         $this->assertContains('http://host.tld/?WDWyig', $link['description']);
         // Second link is a direct link
         $link = array_shift($data['links']);
-        $this->assertEquals('20150310_114633', $link['linkdate']);
-        $this->assertEquals('http://host.tld/?kLHmZg', $link['guid']);
+        $this->assertEquals(8, $link['id']);
+        $this->assertEquals(DateTime::createFromFormat(LinkDB::LINK_DATE_FORMAT, '20150310_114633'), $link['created']);
+        $this->assertEquals('http://host.tld/?RttfEw', $link['guid']);
         $this->assertEquals('https://static.fsf.org/nosvn/faif-2.0.pdf', $link['url']);
         $this->assertContains('Direct link', $link['description']);
         $this->assertContains('https://static.fsf.org/nosvn/faif-2.0.pdf', $link['description']);
diff --git a/tests/LinkDBTest.php b/tests/LinkDBTest.php
index 9d79386c..1f62a34a 100644
--- a/tests/LinkDBTest.php
+++ b/tests/LinkDBTest.php
@@ -186,14 +186,15 @@ class LinkDBTest extends PHPUnit_Framework_TestCase
         $dbSize = sizeof($testDB);
 
         $link = array(
+            'id' => 42,
             'title'=>'an additional link',
             'url'=>'http://dum.my',
             'description'=>'One more',
             'private'=>0,
-            'linkdate'=>'20150518_190000',
+            'created'=> DateTime::createFromFormat(LinkDB::LINK_DATE_FORMAT, '20150518_190000'),
             'tags'=>'unit test'
         );
-        $testDB[$link['linkdate']] = $link;
+        $testDB[$link['id']] = $link;
         $testDB->save('tests');
 
         $testDB = new LinkDB(self::$testDatastore, true, false);
@@ -238,12 +239,12 @@ class LinkDBTest extends PHPUnit_Framework_TestCase
     public function testDays()
     {
         $this->assertEquals(
-            array('20121206', '20130614', '20150310'),
+            array('20100310', '20121206', '20130614', '20150310'),
             self::$publicLinkDB->days()
         );
 
         $this->assertEquals(
-            array('20121206', '20130614', '20141125', '20150310'),
+            array('20100310', '20121206', '20130614', '20141125', '20150310'),
             self::$privateLinkDB->days()
         );
     }
@@ -290,10 +291,11 @@ class LinkDBTest extends PHPUnit_Framework_TestCase
                 '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 (`sTuff`).
+                // They need to be grouped with the first case found - order by date DESC: `sTuff`.
                 'sTuff' => 2,
-                'hashtag' => 2,
+                'ut' => 1,
             ),
             self::$publicLinkDB->allTags()
         );
@@ -321,6 +323,7 @@ class LinkDBTest extends PHPUnit_Framework_TestCase
                 'tag2' => 1,
                 'tag3' => 1,
                 'tag4' => 1,
+                'ut' => 1,
             ),
             self::$privateLinkDB->allTags()
         );
@@ -411,6 +414,11 @@ class LinkDBTest extends PHPUnit_Framework_TestCase
             1,
             count(self::$publicLinkDB->filterHash($request))
         );
+        $request = smallHash('20150310_114633' . 8);
+        $this->assertEquals(
+            1,
+            count(self::$publicLinkDB->filterHash($request))
+        );
     }
 
     /**
@@ -433,4 +441,23 @@ class LinkDBTest extends PHPUnit_Framework_TestCase
     {
         self::$publicLinkDB->filterHash('');
     }
+
+    /**
+     * Test reorder with asc/desc parameter.
+     */
+    public function testReorderLinksDesc()
+    {
+        self::$privateLinkDB->reorder('ASC');
+        $linkIds = array(42, 4, 1, 0, 7, 6, 8, 41);
+        $cpt = 0;
+        foreach (self::$privateLinkDB as $key => $value) {
+            $this->assertEquals($linkIds[$cpt++], $key);
+        }
+        self::$privateLinkDB->reorder('DESC');
+        $linkIds = array_reverse($linkIds);
+        $cpt = 0;
+        foreach (self::$privateLinkDB as $key => $value) {
+            $this->assertEquals($linkIds[$cpt++], $key);
+        }
+    }
 }
diff --git a/tests/LinkFilterTest.php b/tests/LinkFilterTest.php
index 7d45fc59..21d680a5 100644
--- a/tests/LinkFilterTest.php
+++ b/tests/LinkFilterTest.php
@@ -159,7 +159,7 @@ class LinkFilterTest extends PHPUnit_Framework_TestCase
 
         $this->assertEquals(
             'MediaGoblin',
-            $links['20130614_184135']['title']
+            $links[7]['title']
         );
     }
 
@@ -286,7 +286,7 @@ class LinkFilterTest extends PHPUnit_Framework_TestCase
         );
 
         $this->assertEquals(
-            6,
+            7,
             count(self::$linkFilter->filter(LinkFilter::$FILTER_TEXT, '-revolution'))
         );
     }
@@ -346,7 +346,7 @@ class LinkFilterTest extends PHPUnit_Framework_TestCase
         );
 
         $this->assertEquals(
-            6,
+            7,
             count(self::$linkFilter->filter(LinkFilter::$FILTER_TAG, '-free'))
         );
     }
diff --git a/tests/NetscapeBookmarkUtils/BookmarkExportTest.php b/tests/NetscapeBookmarkUtils/BookmarkExportTest.php
index cc54ab9f..6a47bbb9 100644
--- a/tests/NetscapeBookmarkUtils/BookmarkExportTest.php
+++ b/tests/NetscapeBookmarkUtils/BookmarkExportTest.php
@@ -50,7 +50,7 @@ class BookmarkExportTest extends PHPUnit_Framework_TestCase
         $links = NetscapeBookmarkUtils::filterAndFormat(self::$linkDb, 'all', false, '');
         $this->assertEquals(self::$refDb->countLinks(), sizeof($links));
         foreach ($links as $link) {
-            $date = DateTime::createFromFormat(LinkDB::LINK_DATE_FORMAT, $link['linkdate']);
+            $date = $link['created'];
             $this->assertEquals(
                 $date->getTimestamp(),
                 $link['timestamp']
@@ -70,7 +70,7 @@ class BookmarkExportTest extends PHPUnit_Framework_TestCase
         $links = NetscapeBookmarkUtils::filterAndFormat(self::$linkDb, 'private', false, '');
         $this->assertEquals(self::$refDb->countPrivateLinks(), sizeof($links));
         foreach ($links as $link) {
-            $date = DateTime::createFromFormat(LinkDB::LINK_DATE_FORMAT, $link['linkdate']);
+            $date = $link['created'];
             $this->assertEquals(
                 $date->getTimestamp(),
                 $link['timestamp']
@@ -90,7 +90,7 @@ class BookmarkExportTest extends PHPUnit_Framework_TestCase
         $links = NetscapeBookmarkUtils::filterAndFormat(self::$linkDb, 'public', false, '');
         $this->assertEquals(self::$refDb->countPublicLinks(), sizeof($links));
         foreach ($links as $link) {
-            $date = DateTime::createFromFormat(LinkDB::LINK_DATE_FORMAT, $link['linkdate']);
+            $date = $link['created'];
             $this->assertEquals(
                 $date->getTimestamp(),
                 $link['timestamp']
diff --git a/tests/NetscapeBookmarkUtils/BookmarkImportTest.php b/tests/NetscapeBookmarkUtils/BookmarkImportTest.php
index f0ad500f..0ca07eac 100644
--- a/tests/NetscapeBookmarkUtils/BookmarkImportTest.php
+++ b/tests/NetscapeBookmarkUtils/BookmarkImportTest.php
@@ -43,6 +43,18 @@ class BookmarkImportTest extends PHPUnit_Framework_TestCase
     protected $pagecache = 'tests';
 
     /**
+     * @var string Save the current timezone.
+     */
+    protected static $defaultTimeZone;
+
+    public static function setUpBeforeClass()
+    {
+        self::$defaultTimeZone = date_default_timezone_get();
+        // Timezone without DST for test consistency
+        date_default_timezone_set('Africa/Nairobi');
+    }
+
+    /**
      * Resets test data before each test
      */
     protected function setUp()
@@ -55,6 +67,11 @@ class BookmarkImportTest extends PHPUnit_Framework_TestCase
         $this->linkDb = new LinkDB(self::$testDatastore, true, false);
     }
 
+    public static function tearDownAfterClass()
+    {
+        date_default_timezone_set(self::$defaultTimeZone);
+    }
+
     /**
      * Attempt to import bookmarks from an empty file
      */
@@ -98,18 +115,19 @@ class BookmarkImportTest extends PHPUnit_Framework_TestCase
 
         $this->assertEquals(
             array(
-                'linkdate' => '20160618_173944',
+                'id' => 0,
+                'created' => DateTime::createFromFormat(LinkDB::LINK_DATE_FORMAT, '20160618_203944'),
                 'title' => 'Hg Init a Mercurial tutorial by Joel Spolsky',
                 'url' => 'http://hginit.com/',
                 'description' => '',
                 'private' => 0,
-                'tags' => ''
+                'tags' => '',
+                'shorturl' => 'La37cg',
             ),
             $this->linkDb->getLinkFromUrl('http://hginit.com/')
         );
     }
 
-
     /**
      * Import bookmarks nested in a folder hierarchy
      */
@@ -126,89 +144,105 @@ class BookmarkImportTest extends PHPUnit_Framework_TestCase
 
         $this->assertEquals(
             array(
-                'linkdate' => '20160225_205541',
+                'id' => 0,
+                'created' => DateTime::createFromFormat(LinkDB::LINK_DATE_FORMAT, '20160225_235541'),
                 'title' => 'Nested 1',
                 'url' => 'http://nest.ed/1',
                 'description' => '',
                 'private' => 0,
-                'tags' => 'tag1 tag2'
+                'tags' => 'tag1 tag2',
+                'shorturl' => 'KyDNKA',
             ),
             $this->linkDb->getLinkFromUrl('http://nest.ed/1')
         );
         $this->assertEquals(
             array(
-                'linkdate' => '20160225_205542',
+                'id' => 1,
+                'created' => DateTime::createFromFormat(LinkDB::LINK_DATE_FORMAT, '20160225_235542'),
                 'title' => 'Nested 1-1',
                 'url' => 'http://nest.ed/1-1',
                 'description' => '',
                 'private' => 0,
-                'tags' => 'folder1 tag1 tag2'
+                'tags' => 'folder1 tag1 tag2',
+                'shorturl' => 'T2LnXg',
             ),
             $this->linkDb->getLinkFromUrl('http://nest.ed/1-1')
         );
         $this->assertEquals(
             array(
-                'linkdate' => '20160225_205547',
+                'id' => 2,
+                'created' => DateTime::createFromFormat(LinkDB::LINK_DATE_FORMAT, '20160225_235547'),
                 'title' => 'Nested 1-2',
                 'url' => 'http://nest.ed/1-2',
                 'description' => '',
                 'private' => 0,
-                'tags' => 'folder1 tag3 tag4'
+                'tags' => 'folder1 tag3 tag4',
+                'shorturl' => '46SZxA',
             ),
             $this->linkDb->getLinkFromUrl('http://nest.ed/1-2')
         );
         $this->assertEquals(
             array(
-                'linkdate' => '20160202_172222',
+                'id' => 3,
+                'created' => DateTime::createFromFormat(LinkDB::LINK_DATE_FORMAT, '20160202_202222'),
                 'title' => 'Nested 2-1',
                 'url' => 'http://nest.ed/2-1',
                 'description' => 'First link of the second section',
                 'private' => 1,
-                'tags' => 'folder2'
+                'tags' => 'folder2',
+                'shorturl' => '4UHOSw',
             ),
             $this->linkDb->getLinkFromUrl('http://nest.ed/2-1')
         );
         $this->assertEquals(
             array(
-                'linkdate' => '20160119_200227',
+                'id' => 4,
+                'created' => DateTime::createFromFormat(LinkDB::LINK_DATE_FORMAT, '20160119_230227'),
                 'title' => 'Nested 2-2',
                 'url' => 'http://nest.ed/2-2',
                 'description' => 'Second link of the second section',
                 'private' => 1,
-                'tags' => 'folder2'
+                'tags' => 'folder2',
+                'shorturl' => 'yfzwbw',
             ),
             $this->linkDb->getLinkFromUrl('http://nest.ed/2-2')
         );
         $this->assertEquals(
             array(
-                'linkdate' => '20160202_172223',
+                'id' => 5,
+                'created' => DateTime::createFromFormat(LinkDB::LINK_DATE_FORMAT, '20160202_202222'),
                 'title' => 'Nested 3-1',
                 'url' => 'http://nest.ed/3-1',
                 'description' => '',
                 'private' => 0,
-                'tags' => 'folder3 folder3-1 tag3'
+                'tags' => 'folder3 folder3-1 tag3',
+                'shorturl' => 'UwxIUQ',
             ),
             $this->linkDb->getLinkFromUrl('http://nest.ed/3-1')
         );
         $this->assertEquals(
             array(
-                'linkdate' => '20160119_200228',
+                'id' => 6,
+                'created' => DateTime::createFromFormat(LinkDB::LINK_DATE_FORMAT, '20160119_230227'),
                 'title' => 'Nested 3-2',
                 'url' => 'http://nest.ed/3-2',
                 'description' => '',
                 'private' => 0,
-                'tags' => 'folder3 folder3-1'
+                'tags' => 'folder3 folder3-1',
+                'shorturl' => 'p8dyZg',
             ),
             $this->linkDb->getLinkFromUrl('http://nest.ed/3-2')
         );
         $this->assertEquals(
             array(
-                'linkdate' => '20160229_081541',
+                'id' => 7,
+                'created' => DateTime::createFromFormat(LinkDB::LINK_DATE_FORMAT, '20160229_111541'),
                 'title' => 'Nested 2',
                 'url' => 'http://nest.ed/2',
                 'description' => '',
                 'private' => 0,
-                'tags' => 'tag4'
+                'tags' => 'tag4',
+                'shorturl' => 'Gt3Uug',
             ),
             $this->linkDb->getLinkFromUrl('http://nest.ed/2')
         );
@@ -227,28 +261,34 @@ class BookmarkImportTest extends PHPUnit_Framework_TestCase
             .' 2 links imported, 0 links overwritten, 0 links skipped.',
             NetscapeBookmarkUtils::import(array(), $files, $this->linkDb, $this->pagecache)
         );
+
         $this->assertEquals(2, count($this->linkDb));
         $this->assertEquals(1, count_private($this->linkDb));
 
         $this->assertEquals(
             array(
-                'linkdate' => '20001010_105536',
+                'id' => 0,
+                // Old link - UTC+4 (note that TZ in the import file is ignored).
+                'created' => DateTime::createFromFormat(LinkDB::LINK_DATE_FORMAT, '20001010_135536'),
                 'title' => 'Secret stuff',
                 'url' => 'https://private.tld',
                 'description' => "Super-secret stuff you're not supposed to know about",
                 'private' => 1,
-                'tags' => 'private secret'
+                'tags' => 'private secret',
+                'shorturl' => 'EokDtA',
             ),
             $this->linkDb->getLinkFromUrl('https://private.tld')
         );
         $this->assertEquals(
             array(
-                'linkdate' => '20160225_205548',
+                'id' => 1,
+                'created' => DateTime::createFromFormat(LinkDB::LINK_DATE_FORMAT, '20160225_235548'),
                 'title' => 'Public stuff',
                 'url' => 'http://public.tld',
                 'description' => '',
                 'private' => 0,
-                'tags' => 'public hello world'
+                'tags' => 'public hello world',
+                'shorturl' => 'Er9ddA',
             ),
             $this->linkDb->getLinkFromUrl('http://public.tld')
         );
@@ -271,23 +311,28 @@ class BookmarkImportTest extends PHPUnit_Framework_TestCase
 
         $this->assertEquals(
             array(
-                'linkdate' => '20001010_105536',
+                'id' => 0,
+                // Note that TZ in the import file is ignored.
+                'created' => DateTime::createFromFormat(LinkDB::LINK_DATE_FORMAT, '20001010_135536'),
                 'title' => 'Secret stuff',
                 'url' => 'https://private.tld',
                 'description' => "Super-secret stuff you're not supposed to know about",
                 'private' => 1,
-                'tags' => 'private secret'
+                'tags' => 'private secret',
+                'shorturl' => 'EokDtA',
             ),
             $this->linkDb->getLinkFromUrl('https://private.tld')
         );
         $this->assertEquals(
             array(
-                'linkdate' => '20160225_205548',
+                'id' => 1,
+                'created' => DateTime::createFromFormat(LinkDB::LINK_DATE_FORMAT, '20160225_235548'),
                 'title' => 'Public stuff',
                 'url' => 'http://public.tld',
                 'description' => '',
                 'private' => 0,
-                'tags' => 'public hello world'
+                'tags' => 'public hello world',
+                'shorturl' => 'Er9ddA',
             ),
             $this->linkDb->getLinkFromUrl('http://public.tld')
         );
@@ -309,11 +354,11 @@ class BookmarkImportTest extends PHPUnit_Framework_TestCase
         $this->assertEquals(0, count_private($this->linkDb));
         $this->assertEquals(
             0,
-            $this->linkDb['20001010_105536']['private']
+            $this->linkDb[0]['private']
         );
         $this->assertEquals(
             0,
-            $this->linkDb['20160225_205548']['private']
+            $this->linkDb[1]['private']
         );
     }
 
@@ -333,11 +378,11 @@ class BookmarkImportTest extends PHPUnit_Framework_TestCase
         $this->assertEquals(2, count_private($this->linkDb));
         $this->assertEquals(
             1,
-            $this->linkDb['20001010_105536']['private']
+            $this->linkDb['0']['private']
         );
         $this->assertEquals(
             1,
-            $this->linkDb['20160225_205548']['private']
+            $this->linkDb['1']['private']
         );
     }
 
@@ -359,13 +404,12 @@ class BookmarkImportTest extends PHPUnit_Framework_TestCase
         $this->assertEquals(2, count_private($this->linkDb));
         $this->assertEquals(
             1,
-            $this->linkDb['20001010_105536']['private']
+            $this->linkDb[0]['private']
         );
         $this->assertEquals(
             1,
-            $this->linkDb['20160225_205548']['private']
+            $this->linkDb[1]['private']
         );
-
         // re-import as public, enable overwriting
         $post = array(
             'privacy' => 'public',
@@ -380,11 +424,11 @@ class BookmarkImportTest extends PHPUnit_Framework_TestCase
         $this->assertEquals(0, count_private($this->linkDb));
         $this->assertEquals(
             0,
-            $this->linkDb['20001010_105536']['private']
+            $this->linkDb[0]['private']
         );
         $this->assertEquals(
             0,
-            $this->linkDb['20160225_205548']['private']
+            $this->linkDb[1]['private']
         );
     }
 
@@ -406,11 +450,11 @@ class BookmarkImportTest extends PHPUnit_Framework_TestCase
         $this->assertEquals(0, count_private($this->linkDb));
         $this->assertEquals(
             0,
-            $this->linkDb['20001010_105536']['private']
+            $this->linkDb['0']['private']
         );
         $this->assertEquals(
             0,
-            $this->linkDb['20160225_205548']['private']
+            $this->linkDb['1']['private']
         );
 
         // re-import as private, enable overwriting
@@ -427,11 +471,11 @@ class BookmarkImportTest extends PHPUnit_Framework_TestCase
         $this->assertEquals(2, count_private($this->linkDb));
         $this->assertEquals(
             1,
-            $this->linkDb['20001010_105536']['private']
+            $this->linkDb['0']['private']
         );
         $this->assertEquals(
             1,
-            $this->linkDb['20160225_205548']['private']
+            $this->linkDb['1']['private']
         );
     }
 
@@ -480,11 +524,11 @@ class BookmarkImportTest extends PHPUnit_Framework_TestCase
         $this->assertEquals(0, count_private($this->linkDb));
         $this->assertEquals(
             'tag1 tag2 tag3 private secret',
-            $this->linkDb['20001010_105536']['tags']
+            $this->linkDb['0']['tags']
         );
         $this->assertEquals(
             'tag1 tag2 tag3 public hello world',
-            $this->linkDb['20160225_205548']['tags']
+            $this->linkDb['1']['tags']
         );
     }
 
@@ -507,16 +551,16 @@ class BookmarkImportTest extends PHPUnit_Framework_TestCase
         $this->assertEquals(0, count_private($this->linkDb));
         $this->assertEquals(
             'tag1& tag2 "tag3" private secret',
-            $this->linkDb['20001010_105536']['tags']
+            $this->linkDb['0']['tags']
         );
         $this->assertEquals(
             'tag1& tag2 "tag3" public hello world',
-            $this->linkDb['20160225_205548']['tags']
+            $this->linkDb['1']['tags']
         );
     }
 
     /**
-     * Ensure each imported bookmark has a unique linkdate
+     * Ensure each imported bookmark has a unique id
      *
      * See https://github.com/shaarli/Shaarli/issues/351
      */
@@ -531,16 +575,16 @@ class BookmarkImportTest extends PHPUnit_Framework_TestCase
         $this->assertEquals(3, count($this->linkDb));
         $this->assertEquals(0, count_private($this->linkDb));
         $this->assertEquals(
-            '20160225_205548',
-            $this->linkDb['20160225_205548']['linkdate']
+            0,
+            $this->linkDb[0]['id']
         );
         $this->assertEquals(
-            '20160225_205549',
-            $this->linkDb['20160225_205549']['linkdate']
+            1,
+            $this->linkDb[1]['id']
         );
         $this->assertEquals(
-            '20160225_205550',
-            $this->linkDb['20160225_205550']['linkdate']
+            2,
+            $this->linkDb[2]['id']
         );
     }
 }
diff --git a/tests/Updater/UpdaterTest.php b/tests/Updater/UpdaterTest.php
index 0d0ad922..4948fe52 100644
--- a/tests/Updater/UpdaterTest.php
+++ b/tests/Updater/UpdaterTest.php
@@ -214,6 +214,7 @@ $GLOBALS[\'privateLinkByDefault\'] = true;';
         $refDB = new ReferenceLinkDB();
         $refDB->write(self::$testDatastore);
         $linkDB = new LinkDB(self::$testDatastore, true, false);
+
         $this->assertEmpty($linkDB->filterSearch(array('searchtags' => 'exclude')));
         $updater = new Updater(array(), $linkDB, $this->conf, true);
         $updater->updateMethodRenameDashTags();
@@ -287,4 +288,101 @@ $GLOBALS[\'privateLinkByDefault\'] = true;';
         $this->assertEquals(escape($redirectorUrl), $this->conf->get('redirector.url'));
         unlink($sandbox .'.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();
+        $refDB->setLinks($links);
+        $refDB->write(self::$testDatastore);
+        $linkDB = new LinkDB(self::$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 Updater(array(), $linkDB, $this->conf, true);
+        $this->assertTrue($updater->updateMethodDatastoreIds());
+
+        $linkDB = new LinkDB(self::$testDatastore, true, false);
+
+        $backup = glob($this->conf->get('resource.data_dir') . '/datastore.'. date('YmdH') .'*.php');
+        $backup = $backup[0];
+
+        $this->assertFileExists($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(LinkDB::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(LinkDB::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(LinkDB::LINK_DATE_FORMAT, '20121206_182539'), $linkDB[2]['created']);
+        $this->assertEquals(DateTime::createFromFormat(LinkDB::LINK_DATE_FORMAT, '20121206_190301'), $linkDB[2]['updated']);
+    }
+
+    /**
+     * Test updateMethodDatastoreIds() with the update already applied: nothing to do.
+     */
+    public function testDatastoreIdsNothingToDo()
+    {
+        $refDB = new ReferenceLinkDB();
+        $refDB->write(self::$testDatastore);
+        $linkDB = new LinkDB(self::$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 Updater(array(), $linkDB, $this->conf, true);
+        $this->assertTrue($updater->updateMethodDatastoreIds());
+        $this->assertEquals($checksum, hash_file('sha1', self::$testDatastore));
+    }
 }
diff --git a/tests/plugins/PluginIssoTest.php b/tests/plugins/PluginIssoTest.php
index 1f545c7d..6b7904dd 100644
--- a/tests/plugins/PluginIssoTest.php
+++ b/tests/plugins/PluginIssoTest.php
@@ -47,12 +47,14 @@ class PluginIssoTest extends PHPUnit_Framework_TestCase
         $conf->set('plugins.ISSO_SERVER', 'value');
 
         $str = 'http://randomstr.com/test';
+        $date = '20161118_100001';
         $data = array(
             'title' => $str,
             'links' => array(
                 array(
+                    'id' => 12,
                     'url' => $str,
-                    'linkdate' => 'abc',
+                    'created' => DateTime::createFromFormat(LinkDB::LINK_DATE_FORMAT, $date),
                 )
             )
         );
@@ -65,7 +67,14 @@ class PluginIssoTest extends PHPUnit_Framework_TestCase
 
         // plugin data
         $this->assertEquals(1, count($data['plugin_end_zone']));
-        $this->assertNotFalse(strpos($data['plugin_end_zone'][0], 'abc'));
+        $this->assertNotFalse(strpos(
+            $data['plugin_end_zone'][0],
+            'data-isso-id="'. $data['links'][0]['id'] .'"'
+        ));
+        $this->assertNotFalse(strpos(
+            $data['plugin_end_zone'][0],
+            'data-title="'. $data['links'][0]['id'] .'"'
+        ));
         $this->assertNotFalse(strpos($data['plugin_end_zone'][0], 'embed.min.js'));
     }
 
@@ -78,16 +87,20 @@ class PluginIssoTest extends PHPUnit_Framework_TestCase
         $conf->set('plugins.ISSO_SERVER', 'value');
 
         $str = 'http://randomstr.com/test';
+        $date1 = '20161118_100001';
+        $date2 = '20161118_100002';
         $data = array(
             'title' => $str,
             'links' => array(
                 array(
+                    'id' => 12,
                     'url' => $str,
-                    'linkdate' => 'abc',
+                    'created' => DateTime::createFromFormat(LinkDB::LINK_DATE_FORMAT, $date1),
                 ),
                 array(
+                    'id' => 13,
                     'url' => $str . '2',
-                    'linkdate' => 'abc2',
+                    'created' => DateTime::createFromFormat(LinkDB::LINK_DATE_FORMAT, $date2),
                 ),
             )
         );
@@ -106,12 +119,14 @@ class PluginIssoTest extends PHPUnit_Framework_TestCase
         $conf->set('plugins.ISSO_SERVER', 'value');
 
         $str = 'http://randomstr.com/test';
+        $date = '20161118_100001';
         $data = array(
             'title' => $str,
             'links' => array(
                 array(
+                    'id' => 12,
                     'url' => $str,
-                    'linkdate' => 'abc',
+                    'created' => DateTime::createFromFormat(LinkDB::LINK_DATE_FORMAT, $date),
                 )
             ),
             'search_term' => $str
diff --git a/tests/utils/ReferenceLinkDB.php b/tests/utils/ReferenceLinkDB.php
index abca4656..36d58c68 100644
--- a/tests/utils/ReferenceLinkDB.php
+++ b/tests/utils/ReferenceLinkDB.php
@@ -4,7 +4,7 @@
  */
 class ReferenceLinkDB
 {
-    public static $NB_LINKS_TOTAL = 7;
+    public static $NB_LINKS_TOTAL = 8;
 
     private $_links = array();
     private $_publicCount = 0;
@@ -16,66 +16,87 @@ class ReferenceLinkDB
     public function __construct()
     {
         $this->addLink(
+            41,
             'Link title: @website',
             '?WDWyig',
             'Stallman has a beard and is part of the Free Software Foundation (or not). Seriously, read this. #hashtag',
             0,
-            '20150310_114651',
-            'sTuff'
+            DateTime::createFromFormat(LinkDB::LINK_DATE_FORMAT, '20150310_114651'),
+            'sTuff',
+            null,
+            'WDWyig'
         );
 
         $this->addLink(
+            42,
+            'Note: I have a big ID but an old date',
+            '?WDWyig',
+            'Used to test links reordering.',
+            0,
+            DateTime::createFromFormat(LinkDB::LINK_DATE_FORMAT, '20100310_101010'),
+            'ut'
+        );
+
+        $this->addLink(
+            8,
             'Free as in Freedom 2.0 @website',
             'https://static.fsf.org/nosvn/faif-2.0.pdf',
             'Richard Stallman and the Free Software Revolution. Read this. #hashtag',
             0,
-            '20150310_114633',
+            DateTime::createFromFormat(LinkDB::LINK_DATE_FORMAT, '20150310_114633'),
             'free gnu software stallman -exclude stuff hashtag',
-            '20160803_093033'
+            DateTime::createFromFormat(LinkDB::LINK_DATE_FORMAT, '20160803_093033')
         );
 
         $this->addLink(
+            7,
             'MediaGoblin',
             'http://mediagoblin.org/',
             'A free software media publishing platform #hashtagOther',
             0,
-            '20130614_184135',
-            'gnu media web .hidden hashtag'
+            DateTime::createFromFormat(LinkDB::LINK_DATE_FORMAT, '20130614_184135'),
+            'gnu media web .hidden hashtag',
+            null,
+            'IuWvgA'
         );
 
         $this->addLink(
+            6,
             'w3c-markup-validator',
             'https://dvcs.w3.org/hg/markup-validator/summary',
             'Mercurial repository for the W3C Validator #private',
             1,
-            '20141125_084734',
+            DateTime::createFromFormat(LinkDB::LINK_DATE_FORMAT, '20141125_084734'),
             'css html w3c web Mercurial'
         );
 
         $this->addLink(
+            4,
             'UserFriendly - Web Designer',
             'http://ars.userfriendly.org/cartoons/?id=20121206',
             'Naming conventions... #private',
             0,
-            '20121206_142300',
+            DateTime::createFromFormat(LinkDB::LINK_DATE_FORMAT, '20121206_142300'),
             'dev cartoon web'
         );
 
         $this->addLink(
+            1,
             'UserFriendly - Samba',
             'http://ars.userfriendly.org/cartoons/?id=20010306',
             'Tropical printing',
             0,
-            '20121206_172539',
+            DateTime::createFromFormat(LinkDB::LINK_DATE_FORMAT, '20121206_172539'),
             'samba cartoon web'
         );
 
         $this->addLink(
+            0,
             'Geek and Poke',
             'http://geek-and-poke.com/',
             '',
             1,
-            '20121206_182539',
+            DateTime::createFromFormat(LinkDB::LINK_DATE_FORMAT, '20121206_182539'),
             'dev cartoon tag1  tag2   tag3  tag4   '
         );
     }
@@ -83,18 +104,20 @@ class ReferenceLinkDB
     /**
      * Adds a new link
      */
-    protected function addLink($title, $url, $description, $private, $date, $tags, $updated = '')
+    protected function addLink($id, $title, $url, $description, $private, $date, $tags, $updated = '', $shorturl = '')
     {
         $link = array(
+            'id' => $id,
             'title' => $title,
             'url' => $url,
             'description' => $description,
             'private' => $private,
-            'linkdate' => $date,
             'tags' => $tags,
+            'created' => $date,
             'updated' => $updated,
+            'shorturl' => $shorturl ? $shorturl : smallHash($date->format(LinkDB::LINK_DATE_FORMAT) . $id),
         );
-        $this->_links[$date] = $link;
+        $this->_links[$id] = $link;
 
         if ($private) {
             $this->_privateCount++;
@@ -142,4 +165,14 @@ class ReferenceLinkDB
     {
         return $this->_links;
     }
+
+    /**
+     * Setter to override link creation.
+     *
+     * @param array $links List of links.
+     */
+    public function setLinks($links)
+    {
+        $this->_links = $links;
+    }
 }