tests: beginning of tests for DjVu files

Change-Id: I453b2b1a1c4999150a570e22170a9c630c2ef265

diff --git a/tests/phpunit/data/media/LoremIpsum.djvu b/tests/phpunit/data/media/LoremIpsum.djvu
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Binary files /dev/null and b/tests/phpunit/data/media/LoremIpsum.djvu differ

diff --git a/tests/phpunit/includes/media/DjVuTest.php b/tests/phpunit/includes/media/DjVuTest.php
new file mode 100644 (file)
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+++ b/tests/phpunit/includes/media/DjVuTest.php
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+<?php
+/**
+ * @covers DjVuHandler
+ */
+class DjVuTest extends MediaWikiTestCase {
+
+       /**
+        * @var string the directory where test files are
+        */
+       protected $filePath;
+
+       /**
+        * @var FSRepo the repository to use
+        */
+       protected $repo;
+
+       /**
+        * @var DjVuHandler
+        */
+       protected $handler;
+
+       protected function setUp() {
+               global $wgDjvuRenderer, $wgDjvuDump, $wgDjvuToXML;
+               parent::setUp();
+
+               //cli tool setup
+               $wgDjvuRenderer = $wgDjvuRenderer ? $wgDjvuRenderer : '/usr/local/bin/ddjvu';
+               $wgDjvuDump = $wgDjvuDump ? $wgDjvuDump : '/usr/local/bin/djvudump';
+               $wgDjvuToXML = $wgDjvuToXML ? $wgDjvuToXML : '/usr/local/bin/djvutoxml';
+               if (
+                       !$this->checkIfToolExists( $wgDjvuRenderer ) ||
+                       !$this->checkIfToolExists( $wgDjvuDump ) ||
+                       !$this->checkIfToolExists( $wgDjvuToXML )
+               ) {
+                       $this->markTestSkipped( 'This test needs the installation of the ddjvu, djvutoxml and djvudump tools' );
+               }
+
+               //file repo setup
+               $this->filePath = __DIR__ . '/../../data/media/';
+               $backend = new FSFileBackend( array(
+                       'name' => 'localtesting',
+                       'wikiId' => wfWikiId(),
+                       'lockManager' => new NullLockManager( array() ),
+                       'containerPaths' => array( 'data' => $this->filePath )
+               ) );
+               $this->repo = new FSRepo( array(
+                       'name' => 'temp',
+                       'url' => 'http://localhost/thumbtest',
+                       'backend' => $backend
+               ) );
+
+               $this->handler = new DjVuHandler();
+       }
+
+       /**
+        * Check if a tool exist
+        *
+        * @param string $path path to the tool
+        * @return bool
+        */
+       protected function checkIfToolExists( $path ) {
+               wfSuppressWarnings();
+               $result = file_exists( $path );
+               wfRestoreWarnings();
+               return $result;
+       }
+
+       protected function dataFile( $name, $type ) {
+               return new UnregisteredLocalFile(
+                       false,
+                       $this->repo,
+                       'mwstore://localtesting/data/' . $name,
+                       $type
+               );
+       }
+
+       public function testGetImageSize() {
+               $this->assertArrayEquals(
+                       array(  2480, 3508, 'DjVu', 'width="2480" height="3508"' ),
+                       $this->handler->getImageSize( null, $this->filePath . '/LoremIpsum.djvu' ),
+                       'Test file LoremIpsum.djvu should have a size of 2480 * 3508'
+               );
+       }
+
+       public function testInvalidFile() {
+               $this->assertFalse(
+                       $this->handler->getMetadata( null, $this->filePath . '/README' ),
+                       'Getting Metadata for an inexistent file should returns false'
+               );
+       }
+
+       public function testPageCount() {
+               $file = $this->dataFile( 'LoremIpsum.djvu', 'image/x.djvu' );
+               $this->assertEquals(
+                       5,
+                       $this->handler->pageCount( $file ),
+                       'Test file LoremIpsum.djvu should be detected as containing 5 pages'
+               );
+       }
+
+       public function testGetPageDimensions() {
+               $file = $this->dataFile( 'LoremIpsum.djvu', 'image/x.djvu' );
+               $this->assertArrayEquals(
+                       array( 2480, 3508 ),
+                       $this->handler->getPageDimensions( $file, 1 ),
+                       'Page 1 of test file LoremIpsum.djvu should have a size of 2480 * 3508'
+               );
+       }
+
+       public function testGetPageText() {
+               $file = $this->dataFile( 'LoremIpsum.djvu', 'image/x.djvu' );
+               $this->assertEquals(
+                       "Lorem ipsum \n1 \n",
+                       (string) $this->handler->getPageText( $file, 1 ),
+                       "Text layer of page 1 of file LoremIpsum.djvu should be 'Lorem ipsum \n1 \n'"
+               );
+       }
+}