mxmbsocket/tests/unit/WebSocket/Version/RFC6455/FrameTest.php
2014-03-21 16:46:52 +01:00

504 lines
17 KiB
PHP

<?php
namespace Ratchet\WebSocket\Version\RFC6455;
use Ratchet\WebSocket\Version\RFC6455\Frame;
/**
* @todo getMaskingKey, getPayloadStartingByte don't have tests yet
* @todo Could use some clean up in general, I had to rush to fix a bug for a deadline, sorry.
*/
class FrameTest extends \PHPUnit_Framework_TestCase {
protected $_firstByteFinText = '10000001';
protected $_secondByteMaskedSPL = '11111101';
protected $_frame;
protected $_packer;
public function setUp() {
$this->_frame = new Frame;
}
/**
* Encode the fake binary string to send over the wire
* @param string of 1's and 0's
* @return string
*/
public static function encode($in) {
if (strlen($in) > 8) {
$out = '';
while (strlen($in) >= 8) {
$out .= static::encode(substr($in, 0, 8));
$in = substr($in, 8);
}
return $out;
}
return chr(bindec($in));
}
/**
* This is a data provider
* @param string The UTF8 message
* @param string The WebSocket framed message, then base64_encoded
*/
public static function UnframeMessageProvider() {
return array(
array('Hello World!', 'gYydAIfa1WXrtvIg0LXvbOP7')
, array('!@#$%^&*()-=_+[]{}\|/.,<>`~', 'gZv+h96r38f9j9vZ+IHWrvOWoayF9oX6gtfRqfKXwOeg')
, array('ಠ_ಠ', 'gYfnSpu5B/g75gf4Ow==')
, array("The quick brown fox jumps over the lazy dog. All work and no play makes Chris a dull boy. I'm trying to get past 128 characters for a unit test here...", 'gf4Amahb14P8M7Kj2S6+4MN7tfHHLLmjzjSvo8IuuvPbe7j1zSn398A+9+/JIa6jzDSwrYh7lu/Ee6Ds2jD34sY/9+3He6fvySL37skwsvCIGL/xwSj34og/ou/Ee7Xs0XX3o+F8uqPcKa7qxjz398d7sObce6fi2y/3sppj9+DAOqXiyy+y8dt7sezae7aj3TW+94gvsvDce7/m2j75rYY=')
);
}
public static function underflowProvider() {
return array(
array('isFinal', '')
, array('getRsv1', '')
, array('getRsv2', '')
, array('getRsv3', '')
, array('getOpcode', '')
, array('isMasked', '10000001')
, array('getPayloadLength', '10000001')
, array('getPayloadLength', '1000000111111110')
, array('getMaskingKey', '1000000110000111')
, array('getPayload', '100000011000000100011100101010101001100111110100')
);
}
/**
* @dataProvider underflowProvider
* @covers Ratchet\WebSocket\Version\RFC6455\Frame::isFinal
* @covers Ratchet\WebSocket\Version\RFC6455\Frame::getRsv1
* @covers Ratchet\WebSocket\Version\RFC6455\Frame::getRsv2
* @covers Ratchet\WebSocket\Version\RFC6455\Frame::getRsv3
* @covers Ratchet\WebSocket\Version\RFC6455\Frame::getOpcode
* @covers Ratchet\WebSocket\Version\RFC6455\Frame::isMasked
* @covers Ratchet\WebSocket\Version\RFC6455\Frame::getPayloadLength
* @covers Ratchet\WebSocket\Version\RFC6455\Frame::getMaskingKey
* @covers Ratchet\WebSocket\Version\RFC6455\Frame::getPayload
*/
public function testUnderflowExceptionFromAllTheMethodsMimickingBuffering($method, $bin) {
$this->setExpectedException('\UnderflowException');
if (!empty($bin)) {
$this->_frame->addBuffer(static::encode($bin));
}
call_user_func(array($this->_frame, $method));
}
/**
* A data provider for testing the first byte of a WebSocket frame
* @param bool Given, is the byte indicate this is the final frame
* @param int Given, what is the expected opcode
* @param string of 0|1 Each character represents a bit in the byte
*/
public static function firstByteProvider() {
return array(
array(false, false, false, true, 8, '00011000')
, array(true, false, true, false, 10, '10101010')
, array(false, false, false, false, 15, '00001111')
, array(true, false, false, false, 1, '10000001')
, array(true, true, true, true, 15, '11111111')
, array(true, true, false, false, 7, '11000111')
);
}
/**
* @dataProvider firstByteProvider
* @covers Ratchet\WebSocket\Version\RFC6455\Frame::isFinal
*/
public function testFinCodeFromBits($fin, $rsv1, $rsv2, $rsv3, $opcode, $bin) {
$this->_frame->addBuffer(static::encode($bin));
$this->assertEquals($fin, $this->_frame->isFinal());
}
/**
* @dataProvider firstByteProvider
* @covers Ratchet\WebSocket\Version\RFC6455\Frame::getRsv1
* @covers Ratchet\WebSocket\Version\RFC6455\Frame::getRsv2
* @covers Ratchet\WebSocket\Version\RFC6455\Frame::getRsv3
*/
public function testGetRsvFromBits($fin, $rsv1, $rsv2, $rsv3, $opcode, $bin) {
$this->_frame->addBuffer(static::encode($bin));
$this->assertEquals($rsv1, $this->_frame->getRsv1());
$this->assertEquals($rsv2, $this->_frame->getRsv2());
$this->assertEquals($rsv3, $this->_frame->getRsv3());
}
/**
* @dataProvider firstByteProvider
* @covers Ratchet\WebSocket\Version\RFC6455\Frame::getOpcode
*/
public function testOpcodeFromBits($fin, $rsv1, $rsv2, $rsv3, $opcode, $bin) {
$this->_frame->addBuffer(static::encode($bin));
$this->assertEquals($opcode, $this->_frame->getOpcode());
}
/**
* @dataProvider UnframeMessageProvider
* @covers Ratchet\WebSocket\Version\RFC6455\Frame::isFinal
*/
public function testFinCodeFromFullMessage($msg, $encoded) {
$this->_frame->addBuffer(base64_decode($encoded));
$this->assertTrue($this->_frame->isFinal());
}
/**
* @dataProvider UnframeMessageProvider
* @covers Ratchet\WebSocket\Version\RFC6455\Frame::getOpcode
*/
public function testOpcodeFromFullMessage($msg, $encoded) {
$this->_frame->addBuffer(base64_decode($encoded));
$this->assertEquals(1, $this->_frame->getOpcode());
}
public static function payloadLengthDescriptionProvider() {
return array(
array(7, '01110101')
, array(7, '01111101')
, array(23, '01111110')
, array(71, '01111111')
, array(7, '00000000') // Should this throw an exception? Can a payload be empty?
, array(7, '00000001')
);
}
/**
* @dataProvider payloadLengthDescriptionProvider
* @covers Ratchet\WebSocket\Version\RFC6455\Frame::addBuffer
* @covers Ratchet\WebSocket\Version\RFC6455\Frame::getFirstPayloadVal
*/
public function testFirstPayloadDesignationValue($bits, $bin) {
$this->_frame->addBuffer(static::encode($this->_firstByteFinText));
$this->_frame->addBuffer(static::encode($bin));
$ref = new \ReflectionClass($this->_frame);
$cb = $ref->getMethod('getFirstPayloadVal');
$cb->setAccessible(true);
$this->assertEquals(bindec($bin), $cb->invoke($this->_frame));
}
/**
* @covers Ratchet\WebSocket\Version\RFC6455\Frame::getFirstPayloadVal
*/
public function testFirstPayloadValUnderflow() {
$ref = new \ReflectionClass($this->_frame);
$cb = $ref->getMethod('getFirstPayloadVal');
$cb->setAccessible(true);
$this->setExpectedException('UnderflowException');
$cb->invoke($this->_frame);
}
/**
* @dataProvider payloadLengthDescriptionProvider
* @covers Ratchet\WebSocket\Version\RFC6455\Frame::getNumPayloadBits
*/
public function testDetermineHowManyBitsAreUsedToDescribePayload($expected_bits, $bin) {
$this->_frame->addBuffer(static::encode($this->_firstByteFinText));
$this->_frame->addBuffer(static::encode($bin));
$ref = new \ReflectionClass($this->_frame);
$cb = $ref->getMethod('getNumPayloadBits');
$cb->setAccessible(true);
$this->assertEquals($expected_bits, $cb->invoke($this->_frame));
}
/**
* @covers Ratchet\WebSocket\Version\RFC6455\Frame::getNumPayloadBits
*/
public function testgetNumPayloadBitsUnderflow() {
$ref = new \ReflectionClass($this->_frame);
$cb = $ref->getMethod('getNumPayloadBits');
$cb->setAccessible(true);
$this->setExpectedException('UnderflowException');
$cb->invoke($this->_frame);
}
public function secondByteProvider() {
return array(
array(true, 1, '10000001')
, array(false, 1, '00000001')
, array(true, 125, $this->_secondByteMaskedSPL)
);
}
/**
* @dataProvider secondByteProvider
* @covers Ratchet\WebSocket\Version\RFC6455\Frame::isMasked
*/
public function testIsMaskedReturnsExpectedValue($masked, $payload_length, $bin) {
$this->_frame->addBuffer(static::encode($this->_firstByteFinText));
$this->_frame->addBuffer(static::encode($bin));
$this->assertEquals($masked, $this->_frame->isMasked());
}
/**
* @dataProvider UnframeMessageProvider
* @covers Ratchet\WebSocket\Version\RFC6455\Frame::isMasked
*/
public function testIsMaskedFromFullMessage($msg, $encoded) {
$this->_frame->addBuffer(base64_decode($encoded));
$this->assertTrue($this->_frame->isMasked());
}
/**
* @dataProvider secondByteProvider
* @covers Ratchet\WebSocket\Version\RFC6455\Frame::getPayloadLength
*/
public function testGetPayloadLengthWhenOnlyFirstFrameIsUsed($masked, $payload_length, $bin) {
$this->_frame->addBuffer(static::encode($this->_firstByteFinText));
$this->_frame->addBuffer(static::encode($bin));
$this->assertEquals($payload_length, $this->_frame->getPayloadLength());
}
/**
* @dataProvider UnframeMessageProvider
* @covers Ratchet\WebSocket\Version\RFC6455\Frame::getPayloadLength
* @todo Not yet testing when second additional payload length descriptor
*/
public function testGetPayloadLengthFromFullMessage($msg, $encoded) {
$this->_frame->addBuffer(base64_decode($encoded));
$this->assertEquals(strlen($msg), $this->_frame->getPayloadLength());
}
public function maskingKeyProvider() {
$frame = new Frame;
return array(
array($frame->generateMaskingKey())
, array($frame->generateMaskingKey())
, array($frame->generateMaskingKey())
);
}
/**
* @dataProvider maskingKeyProvider
* @covers Ratchet\WebSocket\Version\RFC6455\Frame::getMaskingKey
* @todo I I wrote the dataProvider incorrectly, skipping for now
*/
public function testGetMaskingKey($mask) {
$this->_frame->addBuffer(static::encode($this->_firstByteFinText));
$this->_frame->addBuffer(static::encode($this->_secondByteMaskedSPL));
$this->_frame->addBuffer($mask);
$this->assertEquals($mask, $this->_frame->getMaskingKey());
}
/**
* @covers Ratchet\WebSocket\Version\RFC6455\Frame::getMaskingKey
*/
public function testGetMaskingKeyOnUnmaskedPayload() {
$frame = new Frame('Hello World!');
$this->assertEquals('', $frame->getMaskingKey());
}
/**
* @dataProvider UnframeMessageProvider
* @covers Ratchet\WebSocket\Version\RFC6455\Frame::getPayload
* @todo Move this test to bottom as it requires all methods of the class
*/
public function testUnframeFullMessage($unframed, $base_framed) {
$this->_frame->addBuffer(base64_decode($base_framed));
$this->assertEquals($unframed, $this->_frame->getPayload());
}
public static function messageFragmentProvider() {
return array(
array(false, '', '', '', '', '')
);
}
/**
* @dataProvider UnframeMessageProvider
* @covers Ratchet\WebSocket\Version\RFC6455\Frame::getPayload
*/
public function testCheckPiecingTogetherMessage($msg, $encoded) {
$framed = base64_decode($encoded);
for ($i = 0, $len = strlen($framed);$i < $len; $i++) {
$this->_frame->addBuffer(substr($framed, $i, 1));
}
$this->assertEquals($msg, $this->_frame->getPayload());
}
/**
* @covers Ratchet\WebSocket\Version\RFC6455\Frame::__construct
* @covers Ratchet\WebSocket\Version\RFC6455\Frame::getPayloadLength
* @covers Ratchet\WebSocket\Version\RFC6455\Frame::getPayload
*/
public function testLongCreate() {
$len = 65525;
$pl = $this->generateRandomString($len);
$frame = new Frame($pl, true, Frame::OP_PING);
$this->assertTrue($frame->isFinal());
$this->assertEquals(Frame::OP_PING, $frame->getOpcode());
$this->assertFalse($frame->isMasked());
$this->assertEquals($len, $frame->getPayloadLength());
$this->assertEquals($pl, $frame->getPayload());
}
/**
* @covers Ratchet\WebSocket\Version\RFC6455\Frame::__construct
* @covers Ratchet\WebSocket\Version\RFC6455\Frame::getPayloadLength
*/
public function testReallyLongCreate() {
$len = 65575;
$frame = new Frame($this->generateRandomString($len));
$this->assertEquals($len, $frame->getPayloadLength());
}
/**
* @covers Ratchet\WebSocket\Version\RFC6455\Frame::__construct
* @covers Ratchet\WebSocket\Version\RFC6455\Frame::extractOverflow
*/
public function testExtractOverflow() {
$string1 = $this->generateRandomString();
$frame1 = new Frame($string1);
$string2 = $this->generateRandomString();
$frame2 = new Frame($string2);
$cat = new Frame;
$cat->addBuffer($frame1->getContents() . $frame2->getContents());
$this->assertEquals($frame1->getContents(), $cat->getContents());
$this->assertEquals($string1, $cat->getPayload());
$uncat = new Frame;
$uncat->addBuffer($cat->extractOverflow());
$this->assertEquals($string1, $cat->getPayload());
$this->assertEquals($string2, $uncat->getPayload());
}
/**
* @covers Ratchet\WebSocket\Version\RFC6455\Frame::extractOverflow
*/
public function testEmptyExtractOverflow() {
$string = $this->generateRandomString();
$frame = new Frame($string);
$this->assertEquals($string, $frame->getPayload());
$this->assertEquals('', $frame->extractOverflow());
$this->assertEquals($string, $frame->getPayload());
}
/**
* @covers Ratchet\WebSocket\Version\RFC6455\Frame::getContents
*/
public function testGetContents() {
$msg = 'The quick brown fox jumps over the lazy dog.';
$frame1 = new Frame($msg);
$frame2 = new Frame($msg);
$frame2->maskPayload();
$this->assertNotEquals($frame1->getContents(), $frame2->getContents());
$this->assertEquals(strlen($frame1->getContents()) + 4, strlen($frame2->getContents()));
}
/**
* @covers Ratchet\WebSocket\Version\RFC6455\Frame::maskPayload
*/
public function testMasking() {
$msg = 'The quick brown fox jumps over the lazy dog.';
$frame = new Frame($msg);
$frame->maskPayload();
$this->assertTrue($frame->isMasked());
$this->assertEquals($msg, $frame->getPayload());
}
/**
* @covers Ratchet\WebSocket\Version\RFC6455\Frame::unMaskPayload
*/
public function testUnMaskPayload() {
$string = $this->generateRandomString();
$frame = new Frame($string);
$frame->maskPayload()->unMaskPayload();
$this->assertFalse($frame->isMasked());
$this->assertEquals($string, $frame->getPayload());
}
/**
* @covers Ratchet\WebSocket\Version\RFC6455\Frame::generateMaskingKey
*/
public function testGenerateMaskingKey() {
$dupe = false;
$done = array();
for ($i = 0; $i < 10; $i++) {
$new = $this->_frame->generateMaskingKey();
if (in_array($new, $done)) {
$dupe = true;
}
$done[] = $new;
}
$this->assertEquals(4, strlen($new));
$this->assertFalse($dupe);
}
/**
* @covers Ratchet\WebSocket\Version\RFC6455\Frame::maskPayload
*/
public function testGivenMaskIsValid() {
$this->setExpectedException('InvalidArgumentException');
$this->_frame->maskPayload('hello world');
}
/**
* @covers Ratchet\WebSocket\Version\RFC6455\Frame::maskPayload
*/
public function testGivenMaskIsValidAscii() {
if (!extension_loaded('mbstring')) {
return $this->markTestSkipped("mbstring required for this test");
}
$this->setExpectedException('OutOfBoundsException');
$this->_frame->maskPayload('x✖');
}
protected function generateRandomString($length = 10, $addSpaces = true, $addNumbers = true) {
$characters = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ!"$%&/()=[]{}'; // ยง
$useChars = array();
for($i = 0; $i < $length; $i++) {
$useChars[] = $characters[mt_rand(0, strlen($characters) - 1)];
}
if($addSpaces === true) {
array_push($useChars, ' ', ' ', ' ', ' ', ' ', ' ');
}
if($addNumbers === true) {
array_push($useChars, rand(0, 9), rand(0, 9), rand(0, 9));
}
shuffle($useChars);
$randomString = trim(implode('', $useChars));
$randomString = substr($randomString, 0, $length);
return $randomString;
}
}