a1de8b8700
Result of a new sniff I25a17fb22b6b669e817317a0f45051ae9c608208 Bug: T274036 Change-Id: I695873737167a75f0d94901fa40383a33984ca55
260 lines
8.9 KiB
PHP
260 lines
8.9 KiB
PHP
<?php
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use Wikimedia\TestingAccessWrapper;
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/**
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* @group Media
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* @covers MimeAnalyzer
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*/
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class MimeAnalyzerTest extends PHPUnit\Framework\TestCase {
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use MediaWikiCoversValidator;
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/** @var MimeAnalyzer */
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private $mimeAnalyzer;
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protected function setUp() : void {
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parent::setUp();
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$this->mimeAnalyzer = new MimeAnalyzer( [
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'infoFile' => MimeAnalyzer::USE_INTERNAL,
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'typeFile' => MimeAnalyzer::USE_INTERNAL,
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'xmlTypes' => [
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'http://www.w3.org/2000/svg:svg' => 'image/svg+xml',
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'svg' => 'image/svg+xml',
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'http://www.lysator.liu.se/~alla/dia/:diagram' => 'application/x-dia-diagram',
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'http://www.w3.org/1999/xhtml:html' => 'text/html', // application/xhtml+xml?
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'html' => 'text/html', // application/xhtml+xml?
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]
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] );
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}
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private function doGuessMimeType( array $parameters = [] ) {
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$class = new ReflectionClass( get_class( $this->mimeAnalyzer ) );
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$method = $class->getMethod( 'doGuessMimeType' );
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$method->setAccessible( true );
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return $method->invokeArgs( $this->mimeAnalyzer, $parameters );
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}
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/**
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* @dataProvider providerImproveTypeFromExtension
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* @param string $ext File extension (no leading dot)
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* @param string $oldMime Initially detected MIME
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* @param string|null $expectedMime MIME type after taking extension into account
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*/
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public function testImproveTypeFromExtension( $ext, $oldMime, $expectedMime ) {
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$actualMime = $this->mimeAnalyzer->improveTypeFromExtension( $oldMime, $ext );
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$this->assertEquals( $expectedMime, $actualMime );
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}
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public function providerImproveTypeFromExtension() {
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return [
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[ 'gif', 'image/gif', 'image/gif' ],
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[ 'gif', 'unknown/unknown', 'unknown/unknown' ],
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[ 'wrl', 'unknown/unknown', 'model/vrml' ],
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[ 'txt', 'text/plain', 'text/plain' ],
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[ 'csv', 'text/plain', 'text/csv' ],
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[ 'tsv', 'text/plain', 'text/tab-separated-values' ],
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[ 'js', 'text/javascript', 'application/javascript' ],
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[ 'js', 'application/x-javascript', 'application/javascript' ],
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[ 'json', 'text/plain', 'application/json' ],
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[ 'foo', 'application/x-opc+zip', 'application/zip' ],
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[ 'docx', 'application/x-opc+zip',
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'application/vnd.openxmlformats-officedocument.wordprocessingml.document' ],
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[ 'djvu', 'image/x-djvu', 'image/vnd.djvu' ],
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[ 'wav', 'audio/wav', 'audio/wav' ],
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// XXX: It's probably wrong (as in: confusing and error-prone) for
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// ::improveTypeFromExtension to return null (T253483).
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// This test case exists to ensure that any changes to the existing
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// behavior are intentional.
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[ 'no_such_extension', 'unknown/unknown', null ],
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];
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}
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/**
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* Test to make sure that encoder=ffmpeg2theora doesn't trigger
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* MEDIATYPE_VIDEO (T65584)
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*/
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public function testOggRecognize() {
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$oggFile = __DIR__ . '/../../../data/media/say-test.ogg';
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$actualType = $this->mimeAnalyzer->getMediaType( $oggFile, 'application/ogg' );
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$this->assertEquals( MEDIATYPE_AUDIO, $actualType );
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}
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/**
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* Test to make sure that Opus audio files don't trigger
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* MEDIATYPE_MULTIMEDIA (bug T151352)
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*/
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public function testOpusRecognize() {
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$oggFile = __DIR__ . '/../../../data/media/say-test.opus';
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$actualType = $this->mimeAnalyzer->getMediaType( $oggFile, 'application/ogg' );
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$this->assertEquals( MEDIATYPE_AUDIO, $actualType );
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}
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/**
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* Test to make sure that mp3 files are detected as audio type
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*/
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public function testMP3AsAudio() {
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$file = __DIR__ . '/../../../data/media/say-test-with-id3.mp3';
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$actualType = $this->mimeAnalyzer->getMediaType( $file );
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$this->assertEquals( MEDIATYPE_AUDIO, $actualType );
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}
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/**
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* Test to make sure that MP3 with id3 tag is recognized
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*/
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public function testMP3WithID3Recognize() {
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$file = __DIR__ . '/../../../data/media/say-test-with-id3.mp3';
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$actualType = $this->doGuessMimeType( [ $file, 'mp3' ] );
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$this->assertEquals( 'audio/mpeg', $actualType );
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}
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/**
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* Test to make sure that MP3 without id3 tag is recognized (MPEG-1 sample rates)
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*/
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public function testMP3NoID3RecognizeMPEG1() {
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$file = __DIR__ . '/../../../data/media/say-test-mpeg1.mp3';
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$actualType = $this->doGuessMimeType( [ $file, 'mp3' ] );
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$this->assertEquals( 'audio/mpeg', $actualType );
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}
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/**
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* Test to make sure that MP3 without id3 tag is recognized (MPEG-2 sample rates)
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*/
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public function testMP3NoID3RecognizeMPEG2() {
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$file = __DIR__ . '/../../../data/media/say-test-mpeg2.mp3';
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$actualType = $this->doGuessMimeType( [ $file, 'mp3' ] );
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$this->assertEquals( 'audio/mpeg', $actualType );
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}
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/**
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* Test to make sure that MP3 without id3 tag is recognized (MPEG-2.5 sample rates)
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*/
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public function testMP3NoID3RecognizeMPEG2_5() {
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$file = __DIR__ . '/../../../data/media/say-test-mpeg2.5.mp3';
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$actualType = $this->doGuessMimeType( [ $file, 'mp3' ] );
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$this->assertEquals( 'audio/mpeg', $actualType );
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}
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/**
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* A ZIP file embedded in the middle of a .doc file is still a Word Document.
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*/
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public function testZipInDoc() {
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$file = __DIR__ . '/../../../data/media/zip-in-doc.doc';
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$actualType = $this->doGuessMimeType( [ $file, 'doc' ] );
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$this->assertEquals( 'application/msword', $actualType );
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}
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/**
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* @covers MimeAnalyzer::detectZipType
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* @dataProvider provideOpendocumentsformatHeaders
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*/
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public function testDetectZipTypeRecognizesOpendocuments( $expected, $header ) {
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$this->assertEquals(
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$expected,
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$this->mimeAnalyzer->detectZipType( $header )
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);
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}
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/**
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* An ODF file is a ZIP file of multiple files. The first one being
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* 'mimetype' and is not compressed.
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*/
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public function provideOpendocumentsformatHeaders() {
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$thirtychars = str_repeat( 0, 30 );
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return [
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'Database front end document header based on ODF 1.2' => [
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'application/vnd.oasis.opendocument.base',
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$thirtychars . 'mimetypeapplication/vnd.oasis.opendocument.basePK',
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],
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];
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}
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public function providePngZipConfusion() {
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return [
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[
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'An invalid ZIP file due to the signature being too close to the ' .
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'end to accomodate an EOCDR',
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'zip-sig-near-end.png',
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'image/png',
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],
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[
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'An invalid ZIP file due to the comment length running beyond the ' .
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'end of the file',
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'zip-comment-overflow.png',
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'image/png',
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],
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[
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'A ZIP file similar to the above, but without either of those two ' .
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'problems. Not a valid ZIP file, but it passes MimeAnalyzer\'s ' .
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'definition of a ZIP file. This is mostly a sanity check of the ' .
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'above two tests.',
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'zip-kind-of-valid.png',
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'application/zip',
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],
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[
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'As above with non-zero comment length',
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'zip-kind-of-valid-2.png',
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'application/zip',
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],
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];
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}
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/** @dataProvider providePngZipConfusion */
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public function testPngZipConfusion( $description, $fileName, $expectedType ) {
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$file = __DIR__ . '/../../../data/media/' . $fileName;
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$actualType = $this->doGuessMimeType( [ $file, 'png' ] );
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$this->assertEquals( $expectedType, $actualType, $description );
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}
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/**
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* The empty string is not a MIME type and should not be mapped to a file extension.
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*/
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public function testNoEmptyStringMimeType() {
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$this->assertSame( [], $this->mimeAnalyzer->getExtensionsFromMimeType( '' ) );
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}
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/**
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* @covers MimeAnalyzer::addExtraTypes
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* @covers MimeAnalyzer::addExtraInfo
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*/
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public function testAddExtraTypes() {
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$mime = new MimeAnalyzer( [
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'infoFile' => MimeAnalyzer::USE_INTERNAL,
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'typeFile' => MimeAnalyzer::USE_INTERNAL,
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'xmlTypes' => [],
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'initCallback' => static function ( $instance ) {
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$instance->addExtraTypes( 'fake/mime fake_extension' );
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$instance->addExtraInfo( 'fake/mime [OFFICE]' );
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$instance->mExtToMime[ 'no_such_extension' ] = 'fake/mime';
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},
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] );
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$this->assertSame( [ 'fake/mime' ], $mime->getMimeTypesFromExtension( 'fake_extension' ) );
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$this->assertSame( 'fake/mime', $mime->getMimeTypeFromExtensionOrNull( 'no_such_extension' ) );
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$mimeAccess = TestingAccessWrapper::newFromObject( $mime );
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$this->assertSame( MEDIATYPE_OFFICE, $mimeAccess->findMediaType( '.fake_extension' ) );
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}
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public function testGetMimeTypesFromExtension() {
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$this->assertSame(
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[ 'video/webm', 'audio/webm' ], $this->mimeAnalyzer->getMimeTypesFromExtension( 'webm' ) );
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$this->assertSame( [], $this->mimeAnalyzer->getMimeTypesFromExtension( 'no_such_extension' ) );
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}
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public function testGetMimeTypeFromExtensionOrNull() {
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$this->assertSame( 'video/webm', $this->mimeAnalyzer->getMimeTypeFromExtensionOrNull( 'webm' ) );
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$this->assertNull( $this->mimeAnalyzer->getMimeTypeFromExtensionOrNull( 'no_such_extension' ) );
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}
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public function testGetExtensionsFromMimeType() {
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$this->assertSame(
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[ 'sgml', 'sgm' ], $this->mimeAnalyzer->getExtensionsFromMimeType( 'text/sgml' ) );
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$this->assertSame( [], $this->mimeAnalyzer->getExtensionsFromMimeType( 'fake/mime' ) );
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}
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public function testGetExtensionFromMimeTypeOrNull() {
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$this->assertSame( 'sgml', $this->mimeAnalyzer->getExtensionFromMimeTypeOrNull( 'text/sgml' ) );
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$this->assertNull( $this->mimeAnalyzer->getExtensionFromMimeTypeOrNull( 'fake/mime' ) );
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}
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}
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