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comparison core/tests/Drupal/Tests/Component/Utility/ImageTest.php @ 0:c75dbcec494b

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Initial commit from drush-created site
author Chris Cannam
date Thu, 05 Jul 2018 14:24:15 +0000
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-1:000000000000 0:c75dbcec494b
1 <?php
2
3 namespace Drupal\Tests\Component\Utility;
4
5 use Drupal\Component\Utility\Image;
6 use PHPUnit\Framework\TestCase;
7
8 /**
9 * @coversDefaultClass \Drupal\Component\Utility\Image
10 * @group Image
11 */
12 class ImageTest extends TestCase {
13
14 /**
15 * Tests all control flow branches in image_dimensions_scale().
16 *
17 * @dataProvider providerTestScaleDimensions
18 */
19 public function testScaleDimensions($input, $output) {
20 // Process the test dataset.
21 $return_value = Image::scaleDimensions($input['dimensions'], $input['width'], $input['height'], $input['upscale']);
22
23 // Check the width.
24 $this->assertEquals($output['dimensions']['width'], $input['dimensions']['width'], sprintf('Computed width (%s) does not equal expected width (%s)', $output['dimensions']['width'], $input['dimensions']['width']));
25
26 // Check the height.
27 $this->assertEquals($output['dimensions']['height'], $input['dimensions']['height'], sprintf('Computed height (%s) does not equal expected height (%s)', $output['dimensions']['height'], $input['dimensions']['height']));
28
29 // Check the return value.
30 $this->assertEquals($output['return_value'], $return_value, 'Incorrect return value.');
31 }
32
33 /**
34 * Provides data for image dimension scale tests.
35 *
36 * @return array
37 * Keyed array containing:
38 * - 'input' - Array which contains input for Image::scaleDimensions().
39 * - 'output' - Array which contains expected output after passing
40 * through Image::scaleDimensions. Also contains a boolean
41 * 'return_value' which should match the expected return value.
42 *
43 * @see testScaleDimensions()
44 */
45 public function providerTestScaleDimensions() {
46 // Define input / output datasets to test different branch conditions.
47 $tests = [];
48
49 // Test branch conditions:
50 // - No height.
51 // - Upscale, don't need to upscale.
52 $tests[] = [
53 'input' => [
54 'dimensions' => [
55 'width' => 1000,
56 'height' => 2000,
57 ],
58 'width' => 200,
59 'height' => NULL,
60 'upscale' => TRUE,
61 ],
62 'output' => [
63 'dimensions' => [
64 'width' => 200,
65 'height' => 400,
66 ],
67 'return_value' => TRUE,
68 ],
69 ];
70
71 // Test branch conditions:
72 // - No width.
73 // - Don't upscale, don't need to upscale.
74 $tests[] = [
75 'input' => [
76 'dimensions' => [
77 'width' => 1000,
78 'height' => 800,
79 ],
80 'width' => NULL,
81 'height' => 140,
82 'upscale' => FALSE,
83 ],
84 'output' => [
85 'dimensions' => [
86 'width' => 175,
87 'height' => 140,
88 ],
89 'return_value' => TRUE,
90 ],
91 ];
92
93 // Test branch conditions:
94 // - Source aspect ratio greater than target.
95 // - Upscale, need to upscale.
96 $tests[] = [
97 'input' => [
98 'dimensions' => [
99 'width' => 8,
100 'height' => 20,
101 ],
102 'width' => 200,
103 'height' => 140,
104 'upscale' => TRUE,
105 ],
106 'output' => [
107 'dimensions' => [
108 'width' => 56,
109 'height' => 140,
110 ],
111 'return_value' => TRUE,
112 ],
113 ];
114
115 // Test branch condition: target aspect ratio greater than source.
116 $tests[] = [
117 'input' => [
118 'dimensions' => [
119 'width' => 2000,
120 'height' => 800,
121 ],
122 'width' => 200,
123 'height' => 140,
124 'upscale' => FALSE,
125 ],
126 'output' => [
127 'dimensions' => [
128 'width' => 200,
129 'height' => 80,
130 ],
131 'return_value' => TRUE,
132 ],
133 ];
134
135 // Test branch condition: don't upscale, need to upscale.
136 $tests[] = [
137 'input' => [
138 'dimensions' => [
139 'width' => 100,
140 'height' => 50,
141 ],
142 'width' => 200,
143 'height' => 140,
144 'upscale' => FALSE,
145 ],
146 'output' => [
147 'dimensions' => [
148 'width' => 100,
149 'height' => 50,
150 ],
151 'return_value' => FALSE,
152 ],
153 ];
154
155 return $tests;
156 }
157
158 }