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<?php |
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namespace Undemanding\Difference\Test; |
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use InvalidArgumentException; |
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use Undemanding\Difference\Difference; |
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use Undemanding\Difference\Image; |
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/** |
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* @covers Undemanding\Difference\Image |
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*/ |
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class ImageTest extends Test |
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{ |
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/** |
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* @test |
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*/ |
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public function itCreatesImages() |
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{ |
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$image = new Image(__DIR__ . "/fixtures/fez-1.png"); |
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$this->assertEquals(400, $image->getWidth()); |
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$this->assertEquals(300, $image->getHeight()); |
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$bitmap = $image->getBitmap(); |
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$this->assertInternalType("array", $bitmap); |
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$this->assertEquals(300, count($bitmap)); |
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// test secondary types |
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new Image(__DIR__ . "/fixtures/fez-1.jpg"); |
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new Image(__DIR__ . "/fixtures/fez-1.gif"); |
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} |
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/** |
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* @test |
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* @expectedException InvalidArgumentException |
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*/ |
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public function itThrowsForMissingImage() |
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{ |
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new Image("does/not/exist"); |
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} |
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/** |
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* @test |
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* @expectedException InvalidArgumentException |
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*/ |
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public function itThrowsForInvalidImage() |
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{ |
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new Image(__FILE__); |
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} |
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/** |
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* @test |
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*/ |
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public function itDerivesDifferences() |
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{ |
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$image1 = new Image(__DIR__ . "/fixtures/fez-1.png"); |
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$image2 = new Image(__DIR__ . "/fixtures/fez-1.png"); |
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$method = function ($p, $q) { |
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return 0; |
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}; |
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$this->assertInstanceOf(Difference::class, $image1->difference($image2, $method)); |
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} |
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} |
undemanding /
difference
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This check looks from parameters that have been defined for a function or method, but which are not used in the method body.