432 lines
11 KiB
PHP
432 lines
11 KiB
PHP
<?php
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/**
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* Link datastore tests
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*/
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require_once 'application/Cache.php';
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require_once 'application/FileUtils.php';
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require_once 'application/LinkDB.php';
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require_once 'application/Utils.php';
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require_once 'tests/utils/ReferenceLinkDB.php';
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/**
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* Unitary tests for LinkDB
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*/
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class LinkDBTest extends PHPUnit_Framework_TestCase
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{
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// datastore to test write operations
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protected static $testDatastore = 'sandbox/datastore.php';
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/**
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* @var ReferenceLinkDB instance.
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*/
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protected static $refDB = null;
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/**
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* @var LinkDB public LinkDB instance.
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*/
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protected static $publicLinkDB = null;
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/**
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* @var LinkDB private LinkDB instance.
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*/
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protected static $privateLinkDB = null;
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/**
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* Instantiates public and private LinkDBs with test data
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*
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* The reference datastore contains public and private links that
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* will be used to test LinkDB's methods:
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* - access filtering (public/private),
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* - link searches:
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* - by day,
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* - by tag,
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* - by text,
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* - etc.
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*/
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public static function setUpBeforeClass()
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{
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self::$refDB = new ReferenceLinkDB();
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self::$refDB->write(self::$testDatastore);
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self::$publicLinkDB = new LinkDB(self::$testDatastore, false, false);
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self::$privateLinkDB = new LinkDB(self::$testDatastore, true, false);
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}
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/**
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* Resets test data for each test
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*/
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protected function setUp()
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{
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if (file_exists(self::$testDatastore)) {
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unlink(self::$testDatastore);
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}
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}
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/**
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* Allows to test LinkDB's private methods
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*
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* @see
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* https://sebastian-bergmann.de/archives/881-Testing-Your-Privates.html
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* http://stackoverflow.com/a/2798203
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*/
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protected static function getMethod($name)
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{
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$class = new ReflectionClass('LinkDB');
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$method = $class->getMethod($name);
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$method->setAccessible(true);
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return $method;
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}
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/**
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* Instantiate LinkDB objects - logged in user
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*/
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public function testConstructLoggedIn()
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{
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new LinkDB(self::$testDatastore, true, false);
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$this->assertFileExists(self::$testDatastore);
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}
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/**
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* Instantiate LinkDB objects - logged out or public instance
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*/
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public function testConstructLoggedOut()
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{
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new LinkDB(self::$testDatastore, false, false);
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$this->assertFileExists(self::$testDatastore);
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}
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/**
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* Attempt to instantiate a LinkDB whereas the datastore is not writable
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*
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* @expectedException IOException
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* @expectedExceptionMessageRegExp /Error accessing\nnull/
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*/
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public function testConstructDatastoreNotWriteable()
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{
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new LinkDB('null/store.db', false, false);
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}
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/**
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* The DB doesn't exist, ensure it is created with dummy content
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*/
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public function testCheckDBNew()
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{
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$linkDB = new LinkDB(self::$testDatastore, false, false);
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unlink(self::$testDatastore);
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$this->assertFileNotExists(self::$testDatastore);
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$checkDB = self::getMethod('_checkDB');
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$checkDB->invokeArgs($linkDB, array());
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$this->assertFileExists(self::$testDatastore);
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// ensure the correct data has been written
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$this->assertGreaterThan(0, filesize(self::$testDatastore));
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}
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/**
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* The DB exists, don't do anything
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*/
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public function testCheckDBLoad()
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{
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$linkDB = new LinkDB(self::$testDatastore, false, false);
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$datastoreSize = filesize(self::$testDatastore);
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$this->assertGreaterThan(0, $datastoreSize);
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$checkDB = self::getMethod('_checkDB');
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$checkDB->invokeArgs($linkDB, array());
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// ensure the datastore is left unmodified
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$this->assertEquals(
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$datastoreSize,
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filesize(self::$testDatastore)
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);
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}
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/**
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* Load an empty DB
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*/
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public function testReadEmptyDB()
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{
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file_put_contents(self::$testDatastore, '<?php /* S7QysKquBQA= */ ?>');
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$emptyDB = new LinkDB(self::$testDatastore, false, false);
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$this->assertEquals(0, sizeof($emptyDB));
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$this->assertEquals(0, count($emptyDB));
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}
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/**
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* Load public links from the DB
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*/
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public function testReadPublicDB()
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{
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$this->assertEquals(
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self::$refDB->countPublicLinks(),
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sizeof(self::$publicLinkDB)
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);
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}
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/**
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* Load public and private links from the DB
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*/
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public function testReadPrivateDB()
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{
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$this->assertEquals(
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self::$refDB->countLinks(),
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sizeof(self::$privateLinkDB)
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);
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}
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/**
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* Save the links to the DB
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*/
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public function testSaveDB()
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{
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$testDB = new LinkDB(self::$testDatastore, true, false);
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$dbSize = sizeof($testDB);
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$link = array(
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'title'=>'an additional link',
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'url'=>'http://dum.my',
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'description'=>'One more',
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'private'=>0,
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'linkdate'=>'20150518_190000',
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'tags'=>'unit test'
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);
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$testDB[$link['linkdate']] = $link;
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$testDB->savedb('tests');
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$testDB = new LinkDB(self::$testDatastore, true, false);
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$this->assertEquals($dbSize + 1, sizeof($testDB));
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}
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/**
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* Count existing links
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*/
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public function testCount()
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{
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$this->assertEquals(
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self::$refDB->countPublicLinks(),
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self::$publicLinkDB->count()
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);
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$this->assertEquals(
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self::$refDB->countLinks(),
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self::$privateLinkDB->count()
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);
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}
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/**
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* Count existing links - public links hidden
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*/
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public function testCountHiddenPublic()
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{
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$linkDB = new LinkDB(self::$testDatastore, false, true);
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$this->assertEquals(
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0,
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$linkDB->count()
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);
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$this->assertEquals(
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0,
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$linkDB->count()
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);
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}
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/**
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* List the days for which links have been posted
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*/
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public function testDays()
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{
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$this->assertEquals(
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array('20121206', '20130614', '20150310'),
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self::$publicLinkDB->days()
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);
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$this->assertEquals(
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array('20121206', '20130614', '20141125', '20150310'),
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self::$privateLinkDB->days()
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);
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}
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/**
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* The URL corresponds to an existing entry in the DB
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*/
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public function testGetKnownLinkFromURL()
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{
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$link = self::$publicLinkDB->getLinkFromUrl('http://mediagoblin.org/');
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$this->assertNotEquals(false, $link);
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$this->assertContains(
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'A free software media publishing platform',
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$link['description']
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);
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}
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/**
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* The URL is not in the DB
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*/
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public function testGetUnknownLinkFromURL()
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{
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$this->assertEquals(
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false,
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self::$publicLinkDB->getLinkFromUrl('http://dev.null')
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);
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}
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/**
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* Lists all tags
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*/
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public function testAllTags()
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{
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$this->assertEquals(
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array(
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'web' => 3,
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'cartoon' => 2,
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'gnu' => 2,
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'dev' => 1,
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'samba' => 1,
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'media' => 1,
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'software' => 1,
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'stallman' => 1,
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'free' => 1,
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'-exclude' => 1,
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// The DB contains a link with `sTuff` and another one with `stuff` tag.
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// They need to be grouped with the first case found (`sTuff`).
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'sTuff' => 2,
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'hashtag' => 2,
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),
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self::$publicLinkDB->allTags()
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);
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$this->assertEquals(
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array(
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'web' => 4,
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'cartoon' => 3,
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'gnu' => 2,
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'dev' => 2,
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'samba' => 1,
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'media' => 1,
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'software' => 1,
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'stallman' => 1,
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'free' => 1,
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'html' => 1,
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'w3c' => 1,
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'css' => 1,
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'Mercurial' => 1,
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'sTuff' => 2,
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'-exclude' => 1,
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'.hidden' => 1,
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'hashtag' => 2,
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),
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self::$privateLinkDB->allTags()
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);
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}
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/**
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* Test real_url without redirector.
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*/
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public function testLinkRealUrlWithoutRedirector()
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{
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$db = new LinkDB(self::$testDatastore, false, false);
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foreach($db as $link) {
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$this->assertEquals($link['url'], $link['real_url']);
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}
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}
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/**
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* Test real_url with redirector.
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*/
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public function testLinkRealUrlWithRedirector()
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{
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$redirector = 'http://redirector.to?';
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$db = new LinkDB(self::$testDatastore, false, false, $redirector);
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foreach($db as $link) {
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$this->assertStringStartsWith($redirector, $link['real_url']);
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$this->assertNotFalse(strpos($link['real_url'], urlencode('://')));
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}
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$db = new LinkDB(self::$testDatastore, false, false, $redirector, false);
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foreach($db as $link) {
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$this->assertStringStartsWith($redirector, $link['real_url']);
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$this->assertFalse(strpos($link['real_url'], urlencode('://')));
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}
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}
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/**
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* Test filter with string.
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*/
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public function testFilterString()
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{
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$tags = 'dev cartoon';
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$request = array('searchtags' => $tags);
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$this->assertEquals(
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2,
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count(self::$privateLinkDB->filterSearch($request, true, false))
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);
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}
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/**
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* Test filter with string.
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*/
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public function testFilterArray()
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{
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$tags = array('dev', 'cartoon');
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$request = array('searchtags' => $tags);
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$this->assertEquals(
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2,
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count(self::$privateLinkDB->filterSearch($request, true, false))
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);
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}
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/**
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* Test hidden tags feature:
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* tags starting with a dot '.' are only visible when logged in.
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*/
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public function testHiddenTags()
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{
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$tags = '.hidden';
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$request = array('searchtags' => $tags);
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$this->assertEquals(
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1,
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count(self::$privateLinkDB->filterSearch($request, true, false))
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);
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$this->assertEquals(
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0,
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count(self::$publicLinkDB->filterSearch($request, true, false))
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);
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}
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/**
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* Test filterHash() with a valid smallhash.
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*/
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public function testFilterHashValid()
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{
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$request = smallHash('20150310_114651');
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$this->assertEquals(
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1,
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count(self::$publicLinkDB->filterHash($request))
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);
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}
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/**
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* Test filterHash() with an invalid smallhash.
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*
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* @expectedException LinkNotFoundException
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*/
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public function testFilterHashInValid1()
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{
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$request = 'blabla';
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self::$publicLinkDB->filterHash($request);
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}
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/**
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* Test filterHash() with an empty smallhash.
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*
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* @expectedException LinkNotFoundException
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*/
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public function testFilterHashInValid()
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{
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self::$publicLinkDB->filterHash('');
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}
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}
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