File: test/Picamator/SteganographyKit/Image/ImageTest.php

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File: test/Picamator/SteganographyKit/Image/ImageTest.php
Role: Unit test script
Content type: text/plain
Description: Unit test script
Class: PHP Steganography Kit
Library of algorithms to encode messages in images
Author: By
Last change:
Date: 5 years ago
Size: 4,046 bytes
 

Contents

Class file image Download
<?php
/**
 * ImageIterator SteganographyKit UnitTest
 *
 * @link https://github.com/picamator/SteganographyKit
 * @license http://opensource.org/licenses/BSD-3-Clause New BSD License
 */

use Picamator\SteganographyKit\Image\Image;

class
ImageTest extends BaseTest
{
   
/**
     * @dataProvider providerPath
     * @param array $options
     */
   
public function testGetDecimalColor(array $options)
    {
       
$options['path'] = $this->getDataPath($options['path']);
       
$rgb = array('red', 'green', 'blue');
       
       
$image = new Image($options);
        foreach (
$image as $item) {
           
$decimalPixel = $image->getDecimalColor($item);
           
// assert rgb
           
foreach($rgb as $value) {
               
$this->assertTrue(isset($decimalPixel[$value]));
               
$this->assertGreaterThanOrEqual(0, $decimalPixel[$value]);
               
$this->assertLessThanOrEqual(255, $decimalPixel[$value]);
            }
        }
    }
   
   
/**
     * @dataProvider providerPath
     * @param array $options
     */
   
public function testGetBinaryColor(array $options)
    {
       
$options['path'] = $this->getDataPath($options['path']);
       
$rgb = array('red', 'green', 'blue');
       
       
$image = new Image($options);
        foreach (
$image as $item) {
           
$binaryPixel = $image->getBinaryColor($item);
                  
           
// assert rgb
           
foreach($rgb as $value) {
               
$this->assertTrue(isset($binaryPixel[$value]));
               
$this->assertRegExp('/[01]{8}/', $binaryPixel[$value]);
            }
        }
    }
   
   
/**
     * @dataProvider providerPath
     * @param array $options
     */
   
public function testSetPixel(array $options)
    {
       
$options['path'] = $this->getDataPath($options['path']);
       
$image = new Image($options);
       
       
$expectedPixel = array('red' => 100, 'green' => 0, 'blue' => 10, 'alpha' => 0);
       
$image->setPixel(0, 0, $expectedPixel);
       
       
$dataPixel = $image->getIterator()->current();
       
$actualPixel = $image->getDecimalColor($dataPixel['color']);
       
       
$this->assertEquals($expectedPixel, $actualPixel);
    }
   
   
/**
     * @dataProvider providerSaveFailed
     * @param array $options
     */
   
public function testSaveFailed(array $options)
    {
       
$options['path'] = $this->getDataPath($options['path']);
       
$image = new Image($options);
       
       
$this->assertFalse($image->save());
    }
   
   
/**
     * @dataProvider providerSaveSuccess
     * @param array $options
     */
   
public function testSaveSuccess(array $options)
    {
       
$options['path'] = $this->getDataPath($options['path']);
       
$options['savePath'] = $this->getDataPath($options['savePath']) . '/save_success.png';
       
$image = new Image($options);
      
       
$this->assertTrue($image->save());
    }
   
   
/**
     * @dataProvider providerInitFailed
     * @expectedException Picamator\SteganographyKit\InvalidArgumentException
     * @param array $options
     */
   
public function testInitFailed(array $options)
    {
        new
Image($options);
    }
   
    public function
providerPath()
    {
        return array(
            array(array(
'path' => 'original_50_50.png'))
        );
    }
   
    public function
providerInitFailed()
    {
        return array(
            array(array(
'path' => 'non_existing_file.png')),
            array(array(
'path' => 'secret_text.txt'))
        );
    }
   
    public function
providerSaveFailed()
    {
        return array(
            array(array(
'path' => 'original_50_50.png'))
        );
    }
   
    public function
providerSaveSuccess()
    {
        return array(
            array(array(
'path' => 'original_50_50.png', 'savePath' => 'stego'))
        );
    }
}


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