<?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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