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<?php |
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namespace WebPConvert\Tests\Convert\Converters; |
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|
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|
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use WebPConvert\Tests\Convert\Exposers\GdExposer; |
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use WebPConvert\Convert\Converters\Gd; |
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use WebPConvert\Convert\Exceptions\ConversionFailed\ConverterNotOperational\SystemRequirementsNotMetException; |
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use WebPConvert\Convert\Exceptions\ConversionFailedException; |
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|
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use PHPUnit\Framework\TestCase; |
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|
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class GdTest extends TestCase |
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{ |
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|
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|
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public static function getImageFolder() |
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{ |
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return realpath(__DIR__ . '/../../images'); |
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} |
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|
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public static function getImagePath($image) |
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{ |
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return self::getImageFolder() . '/' . $image; |
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} |
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|
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public function testConvert() |
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{ |
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ConverterTestHelper::runAllConvertTests($this, 'Gd'); |
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} |
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|
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private function createGd($src) |
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{ |
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$source = self::getImagePath($src); |
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$this->assertTrue(file_exists($source), 'source does not exist:' . $source); |
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|
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return new Gd($source, $source . '.webp'); |
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} |
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|
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private function createGdExposer($src) |
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{ |
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$gd = $this->createGd($src); |
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return new GdExposer($gd); |
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} |
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|
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private static function resetPretending() |
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{ |
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reset_pretending(); |
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} |
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|
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// pretend imagewebp is missing |
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public function testNotOperational1() |
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{ |
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global $pretend; |
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|
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$gd = $this->createGd('test.png'); |
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self::resetPretending(); |
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|
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$pretend['functionsNotExisting'] = ['imagewebp']; |
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$this->expectException(SystemRequirementsNotMetException::class); |
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$gd->checkOperationality(); |
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} |
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|
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|
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// pretend gd is not loaded |
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public function testNotOperational2() |
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{ |
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global $pretend; |
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|
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$gd = $this->createGd('test.png'); |
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self::resetPretending(); |
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|
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$pretend['extensionsNotExisting'] = ['gd']; |
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$this->expectException(SystemRequirementsNotMetException::class); |
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$gd->checkOperationality(); |
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$pretend['extensionsNotExisting'] = []; |
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} |
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|
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// pretend imagecreatefrompng is missing |
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public function testCheckConvertability1() |
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{ |
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global $pretend; |
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|
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$gd = $this->createGd('test.png'); |
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self::resetPretending(); |
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|
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$pretend['functionsNotExisting'] = ['imagecreatefrompng']; |
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$this->expectException(SystemRequirementsNotMetException::class); |
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$gd->checkConvertability(); |
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$pretend['functionsNotExisting'] = []; |
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} |
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|
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// pretend imagecreatefrompng is working |
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public function testCheckConvertability2() |
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{ |
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global $pretend; |
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|
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$gd = $this->createGd('test.png'); |
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self::resetPretending(); |
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|
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$pretend['functionsExisting'] = ['imagecreatefrompng']; |
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$gd->checkConvertability(); |
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$pretend['functionsExisting'] = []; |
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} |
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|
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// pretend imagecreatefromjpeg is missing |
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public function testCheckConvertability3() |
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{ |
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global $pretend; |
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|
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$gd = $this->createGd('test.jpg'); |
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self::resetPretending(); |
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|
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$pretend['functionsNotExisting'] = ['imagecreatefromjpeg']; |
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$this->expectException(SystemRequirementsNotMetException::class); |
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$gd->checkConvertability(); |
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$pretend['functionsNotExisting'] = []; |
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} |
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|
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public function testSource() |
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{ |
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|
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$source = self::getImagePath('test.png'); |
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$gd = new Gd($source, $source . '.webp'); |
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self::resetPretending(); |
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$gdExposer = new GdExposer($gd); |
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$this->assertEquals($source, $gdExposer->getSource()); |
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$this->assertTrue(file_exists($source), 'source does not exist'); |
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} |
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|
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public function testCreateImageResource() |
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{ |
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$gd = $this->createGd('test.png'); |
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self::resetPretending(); |
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$gdExposer = new GdExposer($gd); |
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if (!$gdExposer->isOperating()) { |
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//$this->assertTrue(false); |
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return; |
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} |
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|
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// It is operating and image should be ok. |
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// - so it should be able to create image resource (or, for PHP 8, an \GdImage object) |
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$image = $gdExposer->createImageResource(); |
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$isResourceOrObject = ((gettype($image) == 'resource') || (gettype($image) == 'object')); |
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$this->assertTrue($isResourceOrObject, 'Expected createImageResource to return a resource or an object but got:' . gettype($image)); |
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|
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/* |
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// Try the workaround method. |
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$result = $gdExposer->makeTrueColorUsingWorkaround($image); |
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|
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// As the workaround is pretty sturdy, let us assert that it simply works. |
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// It would be good to find out if it doesn't, anyway! |
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$this->assertTrue($result); */ |
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|
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//$gdExposer->tryToMakeTrueColorIfNot($image); |
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$this->assertTrue(imageistruecolor($image), 'image is not true color'); |
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|
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$result = $gdExposer->trySettingAlphaBlending($image); |
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$this->assertTrue($result, 'failed setting alpha blending'); |
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} |
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|
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public function testStuffOnNotTrueColor() |
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{ |
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$gd = $this->createGd('not-true-color.png'); |
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self::resetPretending(); |
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|
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$gdExposer = new GdExposer($gd); |
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|
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if (!$gdExposer->isOperating()) { |
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return; |
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} |
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|
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// It is operating and image should be ok. |
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// - so it should be able to create image resource |
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$image = $gdExposer->createImageResource(); |
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$isResourceOrObject = ((gettype($image) == 'resource') || (gettype($image) == 'object')); |
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$this->assertTrue($isResourceOrObject, 'Expected createImageResource to return a resource or an object but got:' . gettype($image)); |
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|
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$this->assertFalse(imageistruecolor($image), 'image is already true color'); |
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$gdExposer->tryToMakeTrueColorIfNot($image); |
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$this->assertTrue(imageistruecolor($image), 'image is not true color after trying to make it'); |
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$result = $gdExposer->trySettingAlphaBlending($image); |
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$this->assertTrue($result, 'failed setting alpha blending'); |
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|
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// Test the workaround method. |
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$gd = $this->createGd('not-true-color.png'); |
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$gdExposer = new GdExposer($gd); |
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$image = $gdExposer->createImageResource(); |
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$this->assertFalse(imageistruecolor($image), 'image is already true color'); |
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|
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//$image = imagecreatetruecolor(imagesx($image), imagesy($image)); |
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$result = $gdExposer->makeTrueColorUsingWorkaround($image); |
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//$result = $gd->makeTrueColorUsingWorkaround($image); |
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$this->assertTrue($result); |
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$this->assertTrue(imageistruecolor($image), 'image is not true color after trying to make it (with workaround method)'); |
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$result = $gdExposer->trySettingAlphaBlending($image); |
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$this->assertTrue($result, 'failed setting alpha blending'); |
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} |
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|
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public function testConvertFailure() |
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{ |
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echo 'OS: ' . PHP_OS; |
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$gdExposer = $this->createGdExposer('not-true-color.png'); |
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|
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self::resetPretending(); |
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|
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// The next requires imagewebp... |
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if (!function_exists('imagewebp')) { |
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return; |
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} |
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|
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$image = $gdExposer->createImageResource(); |
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|
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// This image is not true color. |
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// Trying to convert it fails (empty string is generated) |
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// Assert that I am right! |
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|
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// In most cases the following triggers a warning: |
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// Warning: imagewebp(): Palette image not supported by webp in /var/www/wc/wc0/webp-convert/tests/Convert/Converters/GdTest.php on line 215 |
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// |
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// However, in Windows-2022 (PHP 8), it throws A FATAL! |
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// Error: PHP Fatal error: Paletter image not supported by webp in D:\a\webp-convert\webp-convert\tests\Convert\Converters\GdTest.php on line 222 |
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// |
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// And its worse and Mac (PHP 7.1 and 7.3, not 7.4 and 8.0) |
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// It just halts execution - see ##322 |
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// |
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// In Ubuntu, PHP 8.1 it throws fatal too. I think this behaviour starts from PHP 8.0.0. |
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|
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$isWindows = preg_match('/^win/i', PHP_OS); |
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$isMacDarwin = preg_match('/^darwin/i', PHP_OS); |
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$isPHP8orAbove = (version_compare(PHP_VERSION, '8.0.0') >= 0); |
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|
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if (!$isWindows && !$isMacDarwin && !$isPHP8orAbove) { |
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ob_start(); |
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|
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try { |
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@imagewebp($image, null, 80); |
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} catch (\Exception $e) { |
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} catch (\Throwable $e) { |
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} |
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$output = ob_get_clean(); |
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|
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// The failure results in no output: |
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$this->assertEquals($output, ''); |
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|
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// similary, we should get an exception when calling tryConverting ('Gd failed: imagewebp() returned empty string') |
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//$this->expectException(ConversionFailedException::class); |
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$gotExpectedException = false; |
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try { |
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$gdExposer->tryConverting($image); |
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} catch (ConversionFailedException $e) { |
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$gotExpectedException = true; |
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} |
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$this->assertTrue( |
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$gotExpectedException, |
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'did not get expected exception when converting palette image with Gd, ' . |
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'bypassing the code that converts to true color' |
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); |
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|
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} |
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|
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//$gdExposer->tryToMakeTrueColorIfNot($image); |
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|
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//$pretend['functionsNotExisting'] = ['imagewebp']; |
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|
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} |
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/* |
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public function testMakeTrueColorUsingWorkaround() |
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{ |
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$gd = $this->createGd('test.png'); |
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self::resetPretending(); |
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|
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$gdExposer = new GdExposer($gd); |
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|
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if (!$gdExposer->isOperating()) { |
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return; |
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} |
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|
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}*/ |
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} |
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|
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require_once('pretend.inc'); |
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|
