text: /*
   * This file is part of the MediaWiki extension MediaViewer.
   *
   * MediaViewer is free software: you can redistribute it and/or modify
   * it under the terms of the GNU General Public License as published by
   * the Free Software Foundation, either version 2 of the License, or
   * (at your option) any later version.
   *
   * MediaViewer is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   * GNU General Public License for more details.
   *
   * You should have received a copy of the GNU General Public License
   * along with MediaViewer.  If not, see <http://www.gnu.org/licenses/>.
   */
  
  ( function ( mw ) {
  	QUnit.module( 'mmv.provider.GuessedThumbnailInfo', QUnit.newMwEnvironment() );
  
  	QUnit.test( 'Constructor sanity check', function ( assert ) {
  		var provider = new mw.mmv.provider.GuessedThumbnailInfo();
  		assert.ok( provider, 'Constructor call successful' );
  	} );
  
  	QUnit.test( 'get()', function ( assert ) {
  		var provider = new mw.mmv.provider.GuessedThumbnailInfo(),
  			file = new mw.Title( 'File:Copyleft.svg' ),
  			sampleUrl = 'http://upload.wikimedia.org/wikipedia/commons/thumb/8/8b/Copyleft.svg/180px-Copyleft.svg.png',
  			width = 300,
  			originalWidth = 512,
  			originalHeight = 512,
  			resultUrl = 'http://upload.wikimedia.org/wikipedia/commons/thumb/8/8b/Copyleft.svg/300px-Copyleft.svg.png',
  			done = assert.async(),
  			result;
  
  		provider.getUrl = function () { return resultUrl; };
  		result = provider.get( file, sampleUrl, width, originalWidth, originalHeight );
  		assert.ok( result.then, 'Result is a promise' );
  		assert.strictEqual( result.state(), 'resolved', 'Result is resolved' );
  		result.then( function ( thumbnailInfo ) {
  			assert.ok( thumbnailInfo.width, 'Width is set' );
  			assert.ok( thumbnailInfo.height, 'Height is set' );
  			assert.strictEqual( thumbnailInfo.url, resultUrl, 'URL is set' );
  			done();
  		} );
  
  		provider.getUrl = function () { return undefined; };
  		result = provider.get( file, sampleUrl, width, originalWidth, originalHeight );
  		assert.ok( result.then, 'Result is a promise' );
  		assert.strictEqual( result.state(), 'rejected', 'Result is rejected' );
  	} );
  
  	QUnit.test( 'getUrl()', function ( assert ) {
  		var provider = new mw.mmv.provider.GuessedThumbnailInfo(),
  			file = new mw.Title( 'File:Elizabeth_I_George_Gower.jpg' ),
  			originalWidth = 922,
  			originalHeight = 968,
  			width,
  			sampleUrl,
  			expectedUrl,
  			resultUrl;
  
  		sampleUrl = 'http://upload.wikimedia.org/wikipedia/commons/7/78/Elizabeth_I_George_Gower.jpg';
  		width = 1000;
  		expectedUrl = 'http://upload.wikimedia.org/wikipedia/commons/7/78/Elizabeth_I_George_Gower.jpg';
  		resultUrl = provider.getUrl( file, sampleUrl, width, originalWidth, originalHeight );
  		assert.strictEqual( resultUrl, expectedUrl, 'Simple case - full image, needs no resize' );
  
  		sampleUrl = 'http://upload.wikimedia.org/wikipedia/commons/thumb/7/78/Elizabeth_I_George_Gower.jpg/180px-Elizabeth_I_George_Gower.jpg';
  		width = 400;
  		expectedUrl = 'http://upload.wikimedia.org/wikipedia/commons/thumb/7/78/Elizabeth_I_George_Gower.jpg/400px-Elizabeth_I_George_Gower.jpg';
  		resultUrl = provider.getUrl( file, sampleUrl, width, originalWidth, originalHeight );
  		assert.strictEqual( resultUrl, expectedUrl, 'Mostly simple case - just need to replace size' );
  
  		sampleUrl = 'http://upload.wikimedia.org/wikipedia/commons/7/78/Elizabeth_I_George_Gower.jpg';
  		width = 400;
  		expectedUrl = undefined;
  		resultUrl = provider.getUrl( file, sampleUrl, width, originalWidth, originalHeight );
  		assert.strictEqual( resultUrl, expectedUrl, 'We bail on hard case - full to thumbnail' );
  
  		sampleUrl = 'http://upload.wikimedia.org/wikipedia/commons/thumb/7/78/Elizabeth_I_George_Gower.jpg/180px-Elizabeth_I_George_Gower.jpg';
  		width = 1000;
  		expectedUrl = 'http://upload.wikimedia.org/wikipedia/commons/7/78/Elizabeth_I_George_Gower.jpg';
  		resultUrl = provider.getUrl( file, sampleUrl, width, originalWidth, originalHeight );
  		assert.strictEqual( resultUrl, expectedUrl, 'Thumbnail to full-size, image with limited size' );
  
  		file = new mw.Title( 'File:Ranunculus_gmelinii_NRCS-2.tiff' );
  		sampleUrl = 'https://upload.wikimedia.org/wikipedia/commons/thumb/2/27/Ranunculus_gmelinii_NRCS-2.tiff/lossy-page1-428px-Ranunculus_gmelinii_NRCS-2.tiff.jpg';
  		width = 2000;
  		originalWidth = 1500;
  		originalHeight = 2100;
  		expectedUrl = 'https://upload.wikimedia.org/wikipedia/commons/thumb/2/27/Ranunculus_gmelinii_NRCS-2.tiff/lossy-page1-1500px-Ranunculus_gmelinii_NRCS-2.tiff.jpg';
  		resultUrl = provider.getUrl( file, sampleUrl, width, originalWidth, originalHeight );
  		assert.strictEqual( resultUrl, expectedUrl, 'Thumbnail to full-size, image which cannot be displayed directly' );
  
  		file = new mw.Title( 'File:Copyleft.svg' );
  		sampleUrl = 'http://upload.wikimedia.org/wikipedia/commons/thumb/8/8b/Copyleft.svg/180px-Copyleft.svg.png';
  		width = 1000;
  		originalWidth = 512;
  		originalHeight = 512;
  		expectedUrl = 'http://upload.wikimedia.org/wikipedia/commons/thumb/8/8b/Copyleft.svg/1000px-Copyleft.svg.png';
  		resultUrl = provider.getUrl( file, sampleUrl, width, originalWidth, originalHeight );
  		assert.strictEqual( resultUrl, expectedUrl, 'Thumbnail to "full-size", image with unlimited size' );
  	} );
  
  	QUnit.test( 'needsOriginal()', function ( assert ) {
  		var provider = new mw.mmv.provider.GuessedThumbnailInfo(),
  			file = new mw.Title( 'File:Copyleft.svg' );
  
  		assert.ok( !provider.needsOriginal( file, 100, 1000 ), 'Thumbnail of an SVG smaller than the original size doesn\'t need original' );
  		assert.ok( !provider.needsOriginal( file, 1000, 1000 ), 'Thumbnail of an SVG equal to the original size doesn\'t need original' );
  		assert.ok( !provider.needsOriginal( file, 2000, 1000 ), 'Thumbnail of an SVG bigger than the original size doesn\'t need original' );
  
  		file = new mw.Title( 'File:Foo.png' );
  
  		assert.ok( !provider.needsOriginal( file, 100, 1000 ), 'Thumbnail of a PNG smaller than the original size doesn\'t need original' );
  		assert.ok( provider.needsOriginal( file, 1000, 1000 ), 'Thumbnail of a PNG equal to the original size needs original' );
  		assert.ok( provider.needsOriginal( file, 2000, 1000 ), 'Thumbnail of a PNG bigger than the original size needs original' );
  	} );
  
  	QUnit.test( 'isFullSizeUrl()', function ( assert ) {
  		var provider = new mw.mmv.provider.GuessedThumbnailInfo(),
  			file = new mw.Title( 'File:Copyleft.svg' );
  
  		assert.ok( !provider.isFullSizeUrl( 'http://upload.wikimedia.org/wikipedia/commons/thumb/8/8b/Copyleft.svg/300px-Copyleft.svg.png', file ),
  			'Thumbnail url recognized as not being full size' );
  		assert.ok( provider.isFullSizeUrl( 'http://upload.wikimedia.org/wikipedia/commons/8/8b/Copyleft.svg', file ),
  			'Original url recognized as being full size' );
  	} );
  
  	QUnit.test( 'obscureFilename()', function ( assert ) {
  		var provider = new mw.mmv.provider.GuessedThumbnailInfo(),
  			file = new mw.Title( 'File:Copyleft.svg' );
  
  		assert.strictEqual( provider.obscureFilename( 'http://upload.wikimedia.org/wikipedia/commons/thumb/8/8b/Copyleft.svg/300px-Copyleft.svg.png', file ),
  			'http://upload.wikimedia.org/wikipedia/commons/thumb/8/8b/<filename>/300px-<filename>.png', 'Filename correctly obscured' );
  
  		file = new mw.Title( 'File:Hoag\'s_object.jpg' );
  
  		assert.strictEqual( provider.obscureFilename( 'http://upload.wikimedia.org/wikipedia/commons/thumb/d/da/Hoag%27s_object.jpg/180px-Hoag%27s_object.jpg', file ),
  			'http://upload.wikimedia.org/wikipedia/commons/thumb/d/da/<filename>/180px-<filename>', 'Filename with urlencoded character correctly obscured' );
  	} );
  
  	QUnit.test( 'restoreFilename()', function ( assert ) {
  		var provider = new mw.mmv.provider.GuessedThumbnailInfo(),
  			file = new mw.Title( 'File:Copyleft.svg' );
  
  		assert.strictEqual( provider.restoreFilename( 'http://upload.wikimedia.org/wikipedia/commons/thumb/8/8b/<filename>/300px-<filename>.png', file ),
  			'http://upload.wikimedia.org/wikipedia/commons/thumb/8/8b/Copyleft.svg/300px-Copyleft.svg.png', 'Filename correctly restored' );
  
  	} );
  
  	QUnit.test( 'canHaveLargerThumbnailThanOriginal()', function ( assert ) {
  		var provider = new mw.mmv.provider.GuessedThumbnailInfo(),
  			file = new mw.Title( 'File:Copyleft.svg' );
  
  		assert.ok( provider.canHaveLargerThumbnailThanOriginal( file ), 'SVG can have a larger thumbnail than the original' );
  
  		file = new mw.Title( 'File:Foo.jpg' );
  
  		assert.ok( !provider.canHaveLargerThumbnailThanOriginal( file ), 'JPG can\'t have a larger thumbnail than the original' );
  
  		file = new mw.Title( 'File:Foo.png' );
  
  		assert.ok( !provider.canHaveLargerThumbnailThanOriginal( file ), 'PNG can\'t have a larger thumbnail than the original' );
  
  		file = new mw.Title( 'File:Foo.jpeg' );
  
  		assert.ok( !provider.canHaveLargerThumbnailThanOriginal( file ), 'JPEG can\'t have a larger thumbnail than the original' );
  
  		file = new mw.Title( 'File:Foo.tiff' );
  
  		assert.ok( !provider.canHaveLargerThumbnailThanOriginal( file ), 'TIFF can\'t have a larger thumbnail than the original' );
  
  		file = new mw.Title( 'File:Foo.gif' );
  
  		assert.ok( !provider.canHaveLargerThumbnailThanOriginal( file ), 'GIF can\'t have a larger thumbnail than the original' );
  	} );
  
  	QUnit.test( 'canBeDisplayedInBrowser()', function ( assert ) {
  		var provider = new mw.mmv.provider.GuessedThumbnailInfo(),
  			file = new mw.Title( 'File:Copyleft.svg' );
  
  		assert.ok( !provider.canBeDisplayedInBrowser( file ), 'SVG can\'t be displayed as-is in the browser' );
  
  		file = new mw.Title( 'File:Foo.jpg' );
  
  		assert.ok( provider.canBeDisplayedInBrowser( file ), 'JPG can be displayed as-is in the browser' );
  
  		file = new mw.Title( 'File:Foo.png' );
  
  		assert.ok( provider.canBeDisplayedInBrowser( file ), 'PNG can be displayed as-is in the browser' );
  
  		file = new mw.Title( 'File:Foo.jpeg' );
  
  		assert.ok( provider.canBeDisplayedInBrowser( file ), 'JPEG can be displayed as-is in the browser' );
  
  		file = new mw.Title( 'File:Foo.tiff' );
  
  		assert.ok( !provider.canBeDisplayedInBrowser( file ), 'TIFF can\'t be displayed as-is in the browser' );
  
  		file = new mw.Title( 'File:Foo.gif' );
  
  		assert.ok( provider.canBeDisplayedInBrowser( file ), 'GIF can be displayed as-is in the browser' );
  	} );
  
  	QUnit.test( 'guessWidth()', function ( assert ) {
  		var provider = new mw.mmv.provider.GuessedThumbnailInfo(),
  			file = new mw.Title( 'File:Copyleft.svg' );
  
  		assert.strictEqual( provider.guessWidth( file, 100, 1000 ), 100, 'Width correctly guessed for SVG thumbnail smaller than the original' );
  		assert.strictEqual( provider.guessWidth( file, 2000, 1000 ), 2000, 'Width correctly guessed for SVG thumbnail bigger than the original' );
  
  		file = new mw.Title( 'File:Copyleft.jpg' );
  
  		assert.strictEqual( provider.guessWidth( file, 100, 1000 ), 100, 'Width correctly guessed for JPG thumbnail smaller than the original' );
  		assert.strictEqual( provider.guessWidth( file, 2000, 1000 ), 1000, 'Width correctly guessed for JPG thumbnail bigger than the original' );
  	} );
  
  	QUnit.test( 'guessHeight()', function ( assert ) {
  		var provider = new mw.mmv.provider.GuessedThumbnailInfo(),
  			file = new mw.Title( 'File:Copyleft.svg' );
  
  		assert.strictEqual( provider.guessHeight( file, 100, 1000, 500 ), 50, 'Height correctly guessed for SVG thumbnail smaller than the original' );
  		assert.strictEqual( provider.guessHeight( file, 2000, 1000, 500 ), 1000, 'Height correctly guessed for SVG thumbnail bigger than the original' );
  
  		file = new mw.Title( 'File:Copyleft.jpg' );
  
  		assert.strictEqual( provider.guessHeight( file, 100, 1000, 500 ), 50, 'Height correctly guessed for JPG thumbnail smaller than the original' );
  		assert.strictEqual( provider.guessHeight( file, 2000, 1000, 500 ), 500, 'Height correctly guessed for JPG thumbnail bigger than the original' );
  	} );
  
  	QUnit.test( 'replaceSize()', function ( assert ) {
  		var provider = new mw.mmv.provider.GuessedThumbnailInfo(),
  			file = new mw.Title( 'File:Copyleft.svg' );
  
  		assert.strictEqual( provider.replaceSize( file, 'http://upload.wikimedia.org/wikipedia/commons/thumb/8/8b/Copyleft.svg/300px-Copyleft.svg.png', 220 ),
  			'http://upload.wikimedia.org/wikipedia/commons/thumb/8/8b/Copyleft.svg/220px-Copyleft.svg.png', 'Incorrect size correctly replaced' );
  		assert.strictEqual( provider.replaceSize( file, 'http://upload.wikimedia.org/wikipedia/commons/thumb/8/8b/Copyleft.svg/300px-Copyleft.svg.png', 300 ),
  			'http://upload.wikimedia.org/wikipedia/commons/thumb/8/8b/Copyleft.svg/300px-Copyleft.svg.png', 'Identical size correctly left the same' );
  		assert.strictEqual( provider.replaceSize( file, 'http://upload.wikimedia.org/wikipedia/commons/8/8b/Copyleft.svg', 220 ),
  			undefined, 'Returns undefined when it cannot handle the URL' );
  
  		file = new mw.Title( 'File:Copyleft-300px.svg' );
  		assert.strictEqual( provider.replaceSize( file, 'http://upload.wikimedia.org/wikipedia/commons/thumb/8/8b/Copyleft-300px.svg/300px-Copyleft-300px.svg.png', 220 ),
  			'http://upload.wikimedia.org/wikipedia/commons/thumb/8/8b/Copyleft-300px.svg/220px-Copyleft-300px.svg.png', 'Works with strange filename' );
  
  		file = new mw.Title( 'File:Ranunculus_gmelinii_NRCS-2.tiff' );
  		assert.strictEqual( provider.replaceSize( file, 'https://upload.wikimedia.org/wikipedia/commons/thumb/2/27/Ranunculus_gmelinii_NRCS-2.tiff/lossy-page1-428px-Ranunculus_gmelinii_NRCS-2.tiff.jpg', 220 ),
  			'https://upload.wikimedia.org/wikipedia/commons/thumb/2/27/Ranunculus_gmelinii_NRCS-2.tiff/lossy-page1-220px-Ranunculus_gmelinii_NRCS-2.tiff.jpg', 'Works with extra parameters' );
  	} );
  
  	QUnit.test( 'guessFullUrl()', function ( assert ) {
  		var provider = new mw.mmv.provider.GuessedThumbnailInfo(),
  			file = new mw.Title( 'File:Copyleft.svg' ),
  			fullUrl = 'http://upload.wikimedia.org/wikipedia/commons/8/8b/Copyleft.svg',
  			sampleUrl = 'http://upload.wikimedia.org/wikipedia/commons/thumb/8/8b/Copyleft.svg/300px-Copyleft.svg.png',
  			result;
  
  		result = provider.guessFullUrl( file, sampleUrl );
  
  		assert.strictEqual( result, fullUrl, 'guessFullUrl returns correct full URL for SVG' );
  
  		file = new mw.Title( 'File:அணில்-3-தென்னையின்_வளர்நிலை.jpg' );
  		fullUrl = 'https://upload.wikimedia.org/wikipedia/commons/1/15/%E0%AE%85%E0%AE%A3%E0%AE%BF%E0%AE%B2%E0%AF%8D-3-%E0%AE%A4%E0%AF%86%E0%AE%A9%E0%AF%8D%E0%AE%A9%E0%AF%88%E0%AE%AF%E0%AE%BF%E0%AE%A9%E0%AF%8D_%E0%AE%B5%E0%AE%B3%E0%AE%B0%E0%AF%8D%E0%AE%A8%E0%AE%BF%E0%AE%B2%E0%AF%88.jpg';
  		sampleUrl = 'https://upload.wikimedia.org/wikipedia/commons/thumb/1/15/%E0%AE%85%E0%AE%A3%E0%AE%BF%E0%AE%B2%E0%AF%8D-3-%E0%AE%A4%E0%AF%86%E0%AE%A9%E0%AF%8D%E0%AE%A9%E0%AF%88%E0%AE%AF%E0%AE%BF%E0%AE%A9%E0%AF%8D_%E0%AE%B5%E0%AE%B3%E0%AE%B0%E0%AF%8D%E0%AE%A8%E0%AE%BF%E0%AE%B2%E0%AF%88.jpg/800px-%E0%AE%85%E0%AE%A3%E0%AE%BF%E0%AE%B2%E0%AF%8D-3-%E0%AE%A4%E0%AF%86%E0%AE%A9%E0%AF%8D%E0%AE%A9%E0%AF%88%E0%AE%AF%E0%AE%BF%E0%AE%A9%E0%AF%8D_%E0%AE%B5%E0%AE%B3%E0%AE%B0%E0%AF%8D%E0%AE%A8%E0%AE%BF%E0%AE%B2%E0%AF%88.jpg';
  
  		result = provider.guessFullUrl( file, sampleUrl );
  
  		assert.strictEqual( result, fullUrl, 'guessFullUrl returns correct full URL for JPG with unicode name' );
  
  		file = new mw.Title( 'File:அணில்-3-தென்னையின்_வளர்நிலை.jpg' );
  		sampleUrl = 'https://upload.wikimedia.org/wikipedia/commons/thumb/1/15/அணில்-3-தென்னையின்_வளர்நிலை.jpg/800px-அணில்-3-தென்னையின்_வளர்நிலை.jpg';
  
  		result = provider.guessFullUrl( file, sampleUrl );
  
  		assert.strictEqual( result, undefined, 'guessFullUrl bails out when URL encoding is not as expected' );
  	} );
  }( mediaWiki ) );
  