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<?php |
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namespace KochTest\Captcha; |
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use Koch\Captcha\Captcha; |
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class CaptchaTest extends \PHPUnit_Framework_TestCase |
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{ |
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/** |
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* @var Captcha |
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*/ |
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protected $object; |
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/** |
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* Sets up the fixture, for example, opens a network connection. |
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* This method is called before a test is executed. |
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*/ |
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public function setUp() |
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{ |
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if (extension_loaded('gd') === false) { |
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$this->markTestSkipped('This test requires the PHP extension "gd".'); |
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} |
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// set captcha folder |
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$options['captcha_dir'] = __DIR__; |
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$this->object = new Captcha($options); |
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} |
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/** |
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* Tears down the fixture, for example, closes a network connection. |
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* This method is called after a test is executed. |
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*/ |
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public function tearDown() |
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{ |
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} |
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public function testSetFontFolder() |
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{ |
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// accepts string |
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$this->object->setFontFolder('folder'); |
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$expectedFolders = $this->object->getFontFolders(); |
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// note: $expected_folders[0] is the path to the framework's font folder |
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$this->assertEquals('folder', $expectedFolders[1]); |
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// accepts array |
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$folders = ['folder/A', 'folder/B']; |
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$this->object->setFontFolder($folders); |
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$expectedFolders = array_merge($expectedFolders, $folders); |
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$this->assertEquals($expectedFolders, $this->object->getFontFolders()); |
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} |
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/** |
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* @covers Koch\Captcha\Captcha::getRandomFont |
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*/ |
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public function testGetRandomFont() |
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{ |
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$font = $this->object->getRandomFont(); |
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$this->assertContains('.ttf', $font); |
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} |
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/** |
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* @covers Koch\Captcha\Captcha::generateRandomString |
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*/ |
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public function testGenerateRandomString() |
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{ |
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$length = 5; |
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$randomString = $this->object->generateRandomString($length); |
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// test valid chars, length, excluded chars |
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$constraint = $this->logicalAnd( |
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$this->isType('string'), $this->matchesRegularExpression('/[a-zA-Z0-9]{5}/i'), $this->logicalNot( |
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$this->matchesRegularExpression('/[017IO]/') // not case-[i]nsensitve |
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) |
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); |
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$this->assertThat($randomString, $constraint); |
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// silly random test |
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$this->assertNotEquals($randomString, $this->object->generateRandomString($length)); |
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} |
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/** |
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* @covers Koch\Captcha\Captcha::generateCaptchaImage |
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*/ |
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public function testGenerateCaptchaImage() |
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{ |
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$font = $this->object->getRandomFont(); |
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$this->object->setFont($font); |
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// base64 embedded captcha image |
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$result = $this->object->generateCaptchaImage(); |
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$this->assertContains( |
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'<img alt="Embedded Captcha Image" src="data:image/png;base64,', $result |
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); |
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} |
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/** |
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* @covers Koch\Captcha\Captcha::render |
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*/ |
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public function testRender() |
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{ |
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// lets generate a simple image |
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$image = imagecreatetruecolor(120, 20); |
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$text_color = imagecolorallocate($image, 233, 14, 91); |
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imagestring($image, 1, 5, 5, 'A Text String', $text_color); |
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// lets pretend that this is the generated captcha |
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$this->object->captcha = $image; |
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// now test output methods |
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/* @todo |
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$render_type = 'file'; |
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$this->object->render($render_type); |
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*/ |
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$render_type = 'base64'; |
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$result = $this->object->render($render_type); |
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$this->assertContains( |
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'<img alt="Embedded Captcha Image" src="data:image/png;base64,', $result |
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); |
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/* @todo |
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$render_type = 'png'; |
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$this->object->render($render_type); |
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*/ |
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} |
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/** |
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* @covers Koch\Captcha\Captcha::collectGarbage |
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*/ |
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public function testCollectGarbage() |
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{ |
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$this->assertTrue($this->object->collectGarbage()); |
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} |
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} |
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KSST /
KF
Loading history...
Adding an explicit array definition is generally preferable to implicit array definition as it guarantees a stable state of the code.
Let’s take a look at an example:
As you can see in this example, the array
$myArrayis initialized the first time when the foreach loop is entered. You can also see that the value of thebarkey is only written conditionally; thus, its value might result from a previous iteration.This might or might not be intended. To make your intention clear, your code more readible and to avoid accidental bugs, we recommend to add an explicit initialization $myArray = array() either outside or inside the foreach loop.