xref: /dokuwiki/_test/tests/File/MediaFileTest.php (revision dd9e8e5ea54469964faab99223a61bd48146ac42) 
1<?php
2
3namespace dokuwiki\test\File;
4
5use dokuwiki\File\MediaFile;
6
7/**
8 * Tests for dokuwiki\File\MediaFile display-dimension helpers.
9 *
10 * The fixture wiki:exif-orient-6.jpg is a 20x30 raw JPEG carrying EXIF
11 * orientation 6, so its display orientation is 30x20 (portrait -> landscape swap).
12 */
13class MediaFileTest extends \DokuWikiTest
14{
15    /** @var string */
16    private $rotated = 'wiki:exif-orient-6.jpg';
17
18    /** @var string */
19    private $unrotated = 'wiki:dokuwiki-128.png';
20
21    public function testDisplayDimsForNonImageReturnsZero()
22    {
23        $mf = new MediaFile('nonexistent:file.jpg');
24        $this->assertSame([0, 0], $mf->getDisplayDimensions(500, 500));
25    }
26
27    public function testGetDisplayDimensionsBboxFitRotated()
28    {
29        $mf = new MediaFile($this->rotated);
30        // raw 20x30 -> rotated 30x20 -> fit into 500x500 preserves aspect,
31        // max dimension scales from 30 to 500 => 500 x round(500 * 20/30) = 500 x 333
32        $this->assertSame([500, 333], $mf->getDisplayDimensions(500, 500, false));
33    }
34
35    public function testGetDisplayDimensionsCropPassthrough()
36    {
37        $mf = new MediaFile($this->rotated);
38        $this->assertSame([100, 100], $mf->getDisplayDimensions(100, 100, true));
39    }
40
41    public function testGetDisplayDimensionsNativeWhenNoRequest()
42    {
43        $mf = new MediaFile($this->rotated);
44        $this->assertSame([30, 20], $mf->getDisplayDimensions(0, 0, false));
45    }
46
47    public function testGetDisplayDimensionsUnrotatedImage()
48    {
49        $mf = new MediaFile($this->unrotated);
50        // non-JPEG: display dims equal raw dims
51        $this->assertSame([$mf->getWidth(), $mf->getHeight()], $mf->getDisplayDimensions(0, 0, false));
52    }
53}
54