72 lines
1.9 KiB
PHP
72 lines
1.9 KiB
PHP
<?php
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class Swift_Bug76Test extends \PHPUnit\Framework\TestCase
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{
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private $inputFile;
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private $outputFile;
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private $encoder;
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protected function setUp()
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{
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$this->inputFile = sys_get_temp_dir().'/in.bin';
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file_put_contents($this->inputFile, '');
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$this->outputFile = sys_get_temp_dir().'/out.bin';
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file_put_contents($this->outputFile, '');
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$this->encoder = $this->createEncoder();
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}
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protected function tearDown()
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{
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unlink($this->inputFile);
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unlink($this->outputFile);
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}
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public function testBase64EncodedLineLengthNeverExceeds76CharactersEvenIfArgsDo()
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{
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$this->fillFileWithRandomBytes(1000, $this->inputFile);
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$os = $this->createStream($this->inputFile);
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$is = $this->createStream($this->outputFile);
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$this->encoder->encodeByteStream($os, $is, 0, 80); //Exceeds 76
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$this->assertMaxLineLength(76, $this->outputFile,
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'%s: Line length should not exceed 76 characters'
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);
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}
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public function assertMaxLineLength($length, $filePath, $message = '%s')
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{
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$lines = file($filePath);
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foreach ($lines as $line) {
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$this->assertTrue((strlen(trim($line)) <= 76), $message);
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}
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}
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private function fillFileWithRandomBytes($byteCount, $file)
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{
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// I was going to use dd with if=/dev/random but this way seems more
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// cross platform even if a hella expensive!!
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file_put_contents($file, '');
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$fp = fopen($file, 'wb');
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for ($i = 0; $i < $byteCount; ++$i) {
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$byteVal = random_int(0, 255);
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fwrite($fp, pack('i', $byteVal));
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}
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fclose($fp);
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}
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private function createEncoder()
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{
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return new Swift_Mime_ContentEncoder_Base64ContentEncoder();
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}
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private function createStream($file)
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{
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return new Swift_ByteStream_FileByteStream($file, true);
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}
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}
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