56 lines
1.6 KiB
PHP
56 lines
1.6 KiB
PHP
<?php
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use Image\PerceptualHash;
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use Image\PerceptualHash\Algorithm\DifferenceHash;
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class DifferenceHashTest extends PHPUnit_Framework_TestCase
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{
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public function setUp()
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{
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$this->path_inuo1 = __DIR__ . '/images/inuo1.jpg';
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$this->path_inuo2 = __DIR__ . '/images/inuo2.jpg';
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$this->hex_inuo1 = '4c58d4dcc9ed6c49';
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$this->hex_inuo2 = '5978ac96d0555949';
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$this->bin_inuo1 = '0100110001011000110101001101110011001001111011010110110001001001';
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$this->bin_inuo2 = '0101100101111000101011001001011011010000010101010101100101001001';
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}
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public function testCalculateBinaryHash()
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{
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$algorithm = new DifferenceHash;
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$ph = new PerceptualHash($this->path_inuo1, $algorithm);
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$bin = $ph->bin();
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$this->assertEquals(64, strlen($bin));
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$this->assertEquals($this->bin_inuo1, $bin);
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}
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public function testCalculateHexHash()
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{
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$algorithm = new DifferenceHash;
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$ph = new PerceptualHash($this->path_inuo1, $algorithm);
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$hex = $ph->hex();
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$this->assertEquals(16, strlen($hex));
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$this->assertEquals($this->hex_inuo1, $hex);
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}
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public function testCompareDifferentImages()
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{
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$algorithm = new DifferenceHash;
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$ph = new PerceptualHash($this->path_inuo1, $algorithm);
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$diff = $ph->compare($this->path_inuo2);
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$this->assertEquals(22, $diff);
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}
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public function testCompareSameImages()
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{
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$algorithm = new DifferenceHash;
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$ph = new PerceptualHash($this->path_inuo1, $algorithm);
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$diff = $ph->compare($this->path_inuo1);
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$this->assertEquals(0, $diff);
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}
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}
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