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- <?php
- /**
- * Link datastore tests
- */
- require_once 'application/LinkDB.php';
- require_once 'application/Utils.php';
- require_once 'tests/utils/ReferenceLinkDB.php';
- define('PHPPREFIX', '<?php /* ');
- define('PHPSUFFIX', ' */ ?>');
- /**
- * Unitary tests for LinkDB
- */
- class LinkDBTest extends PHPUnit_Framework_TestCase
- {
- // datastore to test write operations
- protected static $testDatastore = 'tests/datastore.php';
- protected static $dummyDatastoreSHA1 = 'e3edea8ea7bb50be4bcb404df53fbb4546a7156e';
- protected static $refDB = null;
- protected static $publicLinkDB = null;
- 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, PHPPREFIX, PHPSUFFIX);
- $GLOBALS['config']['DATASTORE'] = self::$testDatastore;
- self::$publicLinkDB = new LinkDB(false);
- self::$privateLinkDB = new LinkDB(true);
- }
- /**
- * Resets test data for each test
- */
- protected function setUp()
- {
- $GLOBALS['config']['DATASTORE'] = self::$testDatastore;
- 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(true);
- $this->assertFileExists(self::$testDatastore);
- }
- /**
- * Instantiate LinkDB objects - logged out or public instance
- */
- public function testConstructLoggedOut()
- {
- new LinkDB(false);
- $this->assertFileExists(self::$testDatastore);
- }
- /**
- * Attempt to instantiate a LinkDB whereas the datastore is not writable
- *
- * @expectedException PHPUnit_Framework_Error_Warning
- * @expectedExceptionMessageRegExp /failed to open stream: No such file or directory/
- */
- public function testConstructDatastoreNotWriteable()
- {
- $GLOBALS['config']['DATASTORE'] = 'null/store.db';
- new LinkDB(false);
- }
- /**
- * The DB doesn't exist, ensure it is created with dummy content
- */
- public function testCheckDBNew()
- {
- $linkDB = new LinkDB(false);
- unlink(self::$testDatastore);
- $this->assertFileNotExists(self::$testDatastore);
- $checkDB = self::getMethod('checkDB');
- $checkDB->invokeArgs($linkDB, array());
- $this->assertFileExists(self::$testDatastore);
- // ensure the correct data has been written
- $this->assertEquals(
- self::$dummyDatastoreSHA1,
- sha1_file(self::$testDatastore)
- );
- }
- /**
- * The DB exists, don't do anything
- */
- public function testCheckDBLoad()
- {
- $linkDB = new LinkDB(false);
- $this->assertEquals(
- self::$dummyDatastoreSHA1,
- sha1_file(self::$testDatastore)
- );
- $checkDB = self::getMethod('checkDB');
- $checkDB->invokeArgs($linkDB, array());
- // ensure the datastore is left unmodified
- $this->assertEquals(
- self::$dummyDatastoreSHA1,
- sha1_file(self::$testDatastore)
- );
- }
- /**
- * Load an empty DB
- */
- public function testReadEmptyDB()
- {
- file_put_contents(self::$testDatastore, PHPPREFIX.'S7QysKquBQA='.PHPSUFFIX);
- $emptyDB = new LinkDB(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(true);
- $dbSize = sizeof($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;
- // TODO: move PageCache to a proper class/file
- function invalidateCaches() {}
- $testDB->savedb();
- $testDB = new LinkDB(true);
- $this->assertEquals($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()
- );
- }
- /**
- * List the days for which links have been posted
- */
- public function testDays()
- {
- $this->assertEquals(
- ['20121206', '20130614', '20150310'],
- self::$publicLinkDB->days()
- );
- $this->assertEquals(
- ['20121206', '20130614', '20141125', '20150310'],
- self::$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->assertEquals(
- '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()
- {
- $this->assertEquals(
- [
- 'web' => 3,
- 'cartoon' => 2,
- 'gnu' => 2,
- 'dev' => 1,
- 'samba' => 1,
- 'media' => 1,
- 'software' => 1,
- 'stallman' => 1,
- 'free' => 1
- ],
- self::$publicLinkDB->allTags()
- );
- $this->assertEquals(
- [
- 'web' => 4,
- 'cartoon' => 3,
- 'gnu' => 2,
- 'dev' => 2,
- 'samba' => 1,
- 'media' => 1,
- 'software' => 1,
- 'stallman' => 1,
- 'free' => 1,
- 'html' => 1,
- 'w3c' => 1,
- 'css' => 1,
- 'Mercurial' => 1
- ],
- self::$privateLinkDB->allTags()
- );
- }
- /**
- * Filter links using a tag
- */
- public function testFilterOneTag()
- {
- $this->assertEquals(
- 3,
- sizeof(self::$publicLinkDB->filterTags('web', false))
- );
- $this->assertEquals(
- 4,
- sizeof(self::$privateLinkDB->filterTags('web', false))
- );
- }
- /**
- * Filter links using a tag - case-sensitive
- */
- public function testFilterCaseSensitiveTag()
- {
- $this->assertEquals(
- 0,
- sizeof(self::$privateLinkDB->filterTags('mercurial', true))
- );
- $this->assertEquals(
- 1,
- sizeof(self::$privateLinkDB->filterTags('Mercurial', true))
- );
- }
- /**
- * Filter links using a tag combination
- */
- public function testFilterMultipleTags()
- {
- $this->assertEquals(
- 1,
- sizeof(self::$publicLinkDB->filterTags('dev cartoon', false))
- );
- $this->assertEquals(
- 2,
- sizeof(self::$privateLinkDB->filterTags('dev cartoon', false))
- );
- }
- /**
- * Filter links using a non-existent tag
- */
- public function testFilterUnknownTag()
- {
- $this->assertEquals(
- 0,
- sizeof(self::$publicLinkDB->filterTags('null', false))
- );
- }
- /**
- * Return links for a given day
- */
- public function testFilterDay()
- {
- $this->assertEquals(
- 2,
- sizeof(self::$publicLinkDB->filterDay('20121206'))
- );
- $this->assertEquals(
- 3,
- sizeof(self::$privateLinkDB->filterDay('20121206'))
- );
- }
- /**
- * 404 - day not found
- */
- public function testFilterUnknownDay()
- {
- $this->assertEquals(
- 0,
- sizeof(self::$publicLinkDB->filterDay('19700101'))
- );
- $this->assertEquals(
- 0,
- sizeof(self::$privateLinkDB->filterDay('19700101'))
- );
- }
- /**
- * Use an invalid date format
- */
- public function testFilterInvalidDay()
- {
- $this->assertEquals(
- 0,
- sizeof(self::$privateLinkDB->filterDay('Rainy day, dream away'))
- );
- // TODO: check input format
- $this->assertEquals(
- 6,
- sizeof(self::$privateLinkDB->filterDay('20'))
- );
- }
- /**
- * Retrieve a link entry with its hash
- */
- public function testFilterSmallHash()
- {
- $links = self::$privateLinkDB->filterSmallHash('IuWvgA');
- $this->assertEquals(
- 1,
- sizeof($links)
- );
- $this->assertEquals(
- 'MediaGoblin',
- $links['20130614_184135']['title']
- );
-
- }
- /**
- * No link for this hash
- */
- public function testFilterUnknownSmallHash()
- {
- $this->assertEquals(
- 0,
- sizeof(self::$privateLinkDB->filterSmallHash('Iblaah'))
- );
- }
- /**
- * Full-text search - result from a link's URL
- */
- public function testFilterFullTextURL()
- {
- $this->assertEquals(
- 2,
- sizeof(self::$publicLinkDB->filterFullText('ars.userfriendly.org'))
- );
- }
- /**
- * Full-text search - result from a link's title only
- */
- public function testFilterFullTextTitle()
- {
- // use miscellaneous cases
- $this->assertEquals(
- 2,
- sizeof(self::$publicLinkDB->filterFullText('userfriendly -'))
- );
- $this->assertEquals(
- 2,
- sizeof(self::$publicLinkDB->filterFullText('UserFriendly -'))
- );
- $this->assertEquals(
- 2,
- sizeof(self::$publicLinkDB->filterFullText('uSeRFrIendlY -'))
- );
- // use miscellaneous case and offset
- $this->assertEquals(
- 2,
- sizeof(self::$publicLinkDB->filterFullText('RFrIendL'))
- );
- }
- /**
- * Full-text search - result from the link's description only
- */
- public function testFilterFullTextDescription()
- {
- $this->assertEquals(
- 1,
- sizeof(self::$publicLinkDB->filterFullText('media publishing'))
- );
- }
- /**
- * Full-text search - result from the link's tags only
- */
- public function testFilterFullTextTags()
- {
- $this->assertEquals(
- 2,
- sizeof(self::$publicLinkDB->filterFullText('gnu'))
- );
- }
- /**
- * Full-text search - result set from mixed sources
- */
- public function testFilterFullTextMixed()
- {
- $this->assertEquals(
- 2,
- sizeof(self::$publicLinkDB->filterFullText('free software'))
- );
- }
- }
- ?>
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