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- <?php
- /**
- * Link datastore tests
- */
- require_once 'application/Cache.php';
- require_once 'application/FileUtils.php';
- require_once 'application/LinkDB.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('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 IOException
- * @expectedExceptionMessageRegExp /Error accessing\nnull/
- */
- 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('_checkDB');
- $checkDB->invokeArgs($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('_checkDB');
- $checkDB->invokeArgs($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 testSaveDB()
- {
- $testDB = new LinkDB(self::$testDatastore, true, false);
- $dbSize = sizeof($testDB);
- $link = array(
- 'title'=>'an additional link',
- 'url'=>'http://dum.my',
- 'description'=>'One more',
- 'private'=>0,
- 'linkdate'=>'20150518_190000',
- 'tags'=>'unit test'
- );
- $testDB[$link['linkdate']] = $link;
- $testDB->savedb('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()
- {
- $this->assertEquals(
- array('20121206', '20130614', '20150310'),
- self::$publicLinkDB->days()
- );
- $this->assertEquals(
- array('20121206', '20130614', '20141125', '20150310'),
- self::$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()
- {
- $this->assertEquals(
- array(
- 'web' => 3,
- 'cartoon' => 2,
- 'gnu' => 2,
- 'dev' => 1,
- 'samba' => 1,
- 'media' => 1,
- 'software' => 1,
- 'stallman' => 1,
- 'free' => 1,
- '-exclude' => 1,
- // The DB contains a link with `sTuff` and another one with `stuff` tag.
- // They need to be grouped with the first case found (`sTuff`).
- 'sTuff' => 2,
- 'hashtag' => 2,
- ),
- self::$publicLinkDB->allTags()
- );
- $this->assertEquals(
- array(
- 'web' => 4,
- 'cartoon' => 3,
- 'gnu' => 2,
- 'dev' => 2,
- 'samba' => 1,
- 'media' => 1,
- 'software' => 1,
- 'stallman' => 1,
- 'free' => 1,
- 'html' => 1,
- 'w3c' => 1,
- 'css' => 1,
- 'Mercurial' => 1,
- 'sTuff' => 2,
- '-exclude' => 1,
- '.hidden' => 1,
- 'hashtag' => 2,
- 'tag1' => 1,
- 'tag2' => 1,
- 'tag3' => 1,
- 'tag4' => 1,
- ),
- self::$privateLinkDB->allTags()
- );
- }
- /**
- * 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))
- );
- }
- /**
- * 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('');
- }
- }
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