1 files changed, 653 insertions, 0 deletions

diff --git a/tests/bookmark/LinkDBTest.php b/tests/bookmark/LinkDBTest.php
new file mode 100644
index 00000000..f18a3155
--- /dev/null
+++ b/tests/bookmark/LinkDBTest.php
@@ -0,0 +1,653 @@
+<?php
+/**
+ * Link datastore tests
+ */
+
+namespace Shaarli\Bookmark;
+
+use DateTime;
+use LinkNotFoundException;
+use ReferenceLinkDB;
+use ReflectionClass;
+use Shaarli;
+
+require_once 'application/feed/Cache.php';
+require_once 'application/Utils.php';
+require_once 'tests/utils/ReferenceLinkDB.php';
+
+
+/**
+ * Unitary tests for LinkDB
+ */
+class LinkDBTest extends \PHPUnit\Framework\TestCase
+{
+    // datastore to test write operations
+    protected static $testDatastore = 'sandbox/datastore.php';
+
+    /**
+     * @var ReferenceLinkDB instance.
+     */
+    protected static $refDB = null;
+
+    /**
+     * @var LinkDB public LinkDB instance.
+     */
+    protected static $publicLinkDB = null;
+
+    /**
+     * @var LinkDB private LinkDB instance.
+     */
+    protected static $privateLinkDB = null;
+
+    /**
+     * Instantiates public and private LinkDBs with test data
+     *
+     * The reference datastore contains public and private links that
+     * will be used to test LinkDB's methods:
+     *  - access filtering (public/private),
+     *  - link searches:
+     *    - by day,
+     *    - by tag,
+     *    - by text,
+     *  - etc.
+     */
+    public static function setUpBeforeClass()
+    {
+        self::$refDB = new ReferenceLinkDB();
+        self::$refDB->write(self::$testDatastore);
+
+        self::$publicLinkDB = new LinkDB(self::$testDatastore, false, false);
+        self::$privateLinkDB = new LinkDB(self::$testDatastore, true, false);
+    }
+
+    /**
+     * Resets test data for each test
+     */
+    protected function setUp()
+    {
+        if (file_exists(self::$testDatastore)) {
+            unlink(self::$testDatastore);
+        }
+    }
+
+    /**
+     * 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\Bookmark\LinkDB');
+        $method = $class->getMethod($name);
+        $method->setAccessible(true);
+        return $method;
+    }
+
+    /**
+     * Instantiate LinkDB objects - logged in user
+     */
+    public function testConstructLoggedIn()
+    {
+        new LinkDB(self::$testDatastore, true, false);
+        $this->assertFileExists(self::$testDatastore);
+    }
+
+    /**
+     * Instantiate LinkDB objects - logged out or public instance
+     */
+    public function testConstructLoggedOut()
+    {
+        new LinkDB(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 LinkDB('null/store.db', false, false);
+    }
+
+    /**
+     * The DB doesn't exist, ensure it is created with dummy content
+     */
+    public function testCheckDBNew()
+    {
+        $linkDB = new LinkDB(self::$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()
+    {
+        $linkDB = new LinkDB(self::$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= */ ?>');
+        $emptyDB = new LinkDB(self::$testDatastore, false, false);
+        $this->assertEquals(0, sizeof($emptyDB));
+        $this->assertEquals(0, count($emptyDB));
+    }
+
+    /**
+     * Load public links from the DB
+     */
+    public function testReadPublicDB()
+    {
+        $this->assertEquals(
+            self::$refDB->countPublicLinks(),
+            sizeof(self::$publicLinkDB)
+        );
+    }
+
+    /**
+     * Load public and private links from the DB
+     */
+    public function testReadPrivateDB()
+    {
+        $this->assertEquals(
+            self::$refDB->countLinks(),
+            sizeof(self::$privateLinkDB)
+        );
+    }
+
+    /**
+     * Save the links to the DB
+     */
+    public function testSave()
+    {
+        $testDB = new LinkDB(self::$testDatastore, true, false);
+        $dbSize = sizeof($testDB);
+
+        $link = array(
+            'id' => 42,
+            'title' => 'an additional link',
+            'url' => 'http://dum.my',
+            'description' => 'One more',
+            'private' => 0,
+            'created' => DateTime::createFromFormat(LinkDB::LINK_DATE_FORMAT, '20150518_190000'),
+            'tags' => 'unit test'
+        );
+        $testDB[$link['id']] = $link;
+        $testDB->save('tests');
+
+        $testDB = new LinkDB(self::$testDatastore, true, false);
+        $this->assertEquals($dbSize + 1, sizeof($testDB));
+    }
+
+    /**
+     * Count existing links
+     */
+    public function testCount()
+    {
+        $this->assertEquals(
+            self::$refDB->countPublicLinks(),
+            self::$publicLinkDB->count()
+        );
+        $this->assertEquals(
+            self::$refDB->countLinks(),
+            self::$privateLinkDB->count()
+        );
+    }
+
+    /**
+     * Count existing links - public links hidden
+     */
+    public function testCountHiddenPublic()
+    {
+        $linkDB = new LinkDB(self::$testDatastore, false, true);
+
+        $this->assertEquals(
+            0,
+            $linkDB->count()
+        );
+        $this->assertEquals(
+            0,
+            $linkDB->count()
+        );
+    }
+
+    /**
+     * List the days for which links 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 real_url without redirector.
+     */
+    public function testLinkRealUrlWithoutRedirector()
+    {
+        $db = new LinkDB(self::$testDatastore, false, false);
+        foreach ($db as $link) {
+            $this->assertEquals($link['url'], $link['real_url']);
+        }
+    }
+
+    /**
+     * Test real_url with redirector.
+     */
+    public function testLinkRealUrlWithRedirector()
+    {
+        $redirector = 'http://redirector.to?';
+        $db = new LinkDB(self::$testDatastore, false, false, $redirector);
+        foreach ($db as $link) {
+            $this->assertStringStartsWith($redirector, $link['real_url']);
+            $this->assertNotFalse(strpos($link['real_url'], urlencode('://')));
+        }
+
+        $db = new LinkDB(self::$testDatastore, false, false, $redirector, false);
+        foreach ($db as $link) {
+            $this->assertStringStartsWith($redirector, $link['real_url']);
+            $this->assertFalse(strpos($link['real_url'], urlencode('://')));
+        }
+    }
+
+    /**
+     * 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 LinkNotFoundException
+     */
+    public function testFilterHashInValid1()
+    {
+        $request = 'blabla';
+        self::$publicLinkDB->filterHash($request);
+    }
+
+    /**
+     * Test filterHash() with an empty smallhash.
+     *
+     * @expectedException LinkNotFoundException
+     */
+    public function testFilterHashInValid()
+    {
+        self::$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++], $key);
+        }
+    }
+
+    /**
+     * Test rename tag with a valid value present in multiple links
+     */
+    public function testRenameTagMultiple()
+    {
+        self::$refDB->write(self::$testDatastore);
+        $linkDB = new LinkDB(self::$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);
+        $linkDB = new LinkDB(self::$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()
+    {
+        $linkDB = new LinkDB(self::$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);
+        $linkDB = new LinkDB(self::$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));
+    }
+}