PhutilHashingIteratorTestCase.php
84b0feab4220stable

PhutilHashingIteratorTestCase.php
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			<?php

			final class PhutilHashingIteratorTestCase extends PhutilTestCase {

			public function testHashingIterator() {
			$path = dirname(__FILE__).'/hashingiterator/mostlyprime.txt';

			$stream = fopen($path, 'rb');
			$algorithm = 'sha256';

			$stream_iterator = new PhutilStreamIterator($stream);
			$hashing_iterator = id(new PhutilHashingIterator($stream_iterator))
			->setAlgorithm($algorithm);

			$rope = new PhutilRope();
			foreach ($hashing_iterator as $block) {
			$rope->append($block);
			}

			$expect_data = Filesystem::readFile($path);
			$actual_data = $rope->getAsString();

			$this->assertEqual(
			$expect_data,
			$actual_data,
			pht('Data should be read correctly.'));

			$expect_hash =
			'd50af03db6c8b63084664f352d12bffb8f58022bdd67e3aba21f01e11c3b8939';

			$single_hash = hash($algorithm, $expect_data, $raw_output = false);
			$actual_hash = $hashing_iterator->getHash();

			$this->assertEqual(
			$expect_hash,
			$single_hash,
			pht('Expected hash should match freshly computed hash.'));

			$this->assertEqual(
			$expect_hash,
			$actual_hash,
			pht('Expected hash should also match iterator actual hash.'));
			}

			}