Encoding

composer.json

@@ -18,6 +18,8 @@
     "require-dev": {
         "zendframework/zend-diactoros": "^1.0",
         "guzzlehttp/psr7": "^1.0",
+        "ext-zlib": "*",
+        "clue/stream-filter": "^1.3",
         "phpspec/phpspec": "^2.4",
         "henrikbjorn/phpspec-code-coverage" : "^1.0"
     },

spec/Decorator/StreamDecoratorSpec.php

@@ -0,0 +1,154 @@
+<?php
+
+namespace spec\Http\Message\Decorator;
+
+use Http\Message\Decorator\StreamDecorator;
+use Psr\Http\Message\StreamInterface;
+use PhpSpec\ObjectBehavior;
+use Prophecy\Argument;
+
+class StreamDecoratorSpec extends ObjectBehavior
+{
+    function let(StreamInterface $stream)
+    {
+        $this->beAnInstanceOf('spec\Http\Message\Decorator\StreamDecoratorStub', [$stream]);
+    }
+
+    function it_is_initializable()
+    {
+        $this->shouldHaveType('spec\Http\Message\Decorator\StreamDecoratorStub');
+    }
+
+    function it_is_a_stream_decorator()
+    {
+        $this->shouldUseTrait('Http\Message\Decorator\StreamDecorator');
+    }
+
+    function it_casts_the_stream_to_string(StreamInterface $stream)
+    {
+        $stream->__toString()->willReturn('body');
+
+        $this->__toString()->shouldReturn('body');
+    }
+
+    function it_closes_the_stream(StreamInterface $stream)
+    {
+        $stream->close()->shouldBeCalled();
+
+        $this->close();
+    }
+
+    function it_detaches_the_stream(StreamInterface $stream)
+    {
+        $stream->detach()->willReturn('detached');
+
+        $this->detach()->shouldReturn('detached');
+    }
+
+    function it_returns_the_size_of_the_stream(StreamInterface $stream)
+    {
+        $stream->getSize()->willReturn(1234);
+
+        $this->getSize()->shouldReturn(1234);
+    }
+
+    function it_returns_the_current_position_of_the_stream(StreamInterface $stream)
+    {
+        $stream->tell()->willReturn(0);
+
+        $this->tell()->shouldReturn(0);
+    }
+
+    function it_checks_whether_the_stream_is_eof(StreamInterface $stream)
+    {
+        $stream->eof()->willReturn(false);
+
+        $this->eof()->shouldReturn(false);
+    }
+
+    function it_checks_whether_the_stream_is_seekable(StreamInterface $stream)
+    {
+        $stream->isSeekable()->willReturn(true);
+
+        $this->isSeekable()->shouldReturn(true);
+    }
+
+    function it_seeks_the_current_position_of_the_stream(StreamInterface $stream)
+    {
+        $stream->seek(0, SEEK_SET)->shouldBeCalled();
+
+        $this->seek(0);
+    }
+
+    function it_rewinds_to_the_beginning_of_the_stream(StreamInterface $stream)
+    {
+        $stream->rewind()->shouldBeCalled();
+
+        $this->rewind();
+    }
+
+    function it_checks_whether_the_stream_is_writable(StreamInterface $stream)
+    {
+        $stream->isWritable()->willReturn(true);
+
+        $this->isWritable()->shouldReturn(true);
+    }
+
+    function it_writes_to_the_stream(StreamInterface $stream)
+    {
+        $stream->write('body')->shouldBeCalled();
+
+        $this->write('body');
+    }
+
+    function it_checks_whether_the_stream_is_readable(StreamInterface $stream)
+    {
+        $stream->isReadable()->willReturn(true);
+
+        $this->isReadable()->shouldReturn(true);
+    }
+
+    function it_reads_from_the_stream(StreamInterface $stream)
+    {
+        $stream->read(4)->willReturn('body');
+
+        $this->read(4)->shouldReturn('body');
+    }
+
+    function it_returns_the_contents_of_the_stream(StreamInterface $stream)
+    {
+        $stream->getContents()->willReturn('body');
+
+        $this->getContents()->shouldReturn('body');
+    }
+
+    function it_returns_metadata_of_the_stream(StreamInterface $stream)
+    {
+        $stream->getMetadata(null)->willReturn(['key' => 'value']);
+        $stream->getMetadata('key')->willReturn('value');
+        $stream->getMetadata('key2')->willReturn(null);
+
+        $this->getMetadata()->shouldReturn(['key' => 'value']);
+        $this->getMetadata('key')->shouldReturn('value');
+        $this->getMetadata('key2')->shouldReturn(null);
+    }
+
+    function getMatchers()
+    {
+        return [
+            'useTrait' => function ($subject, $trait) {
+                return class_uses($subject, $trait);
+            }
+        ];
+    }
+}
+
+class StreamDecoratorStub implements StreamInterface
+{
+    use StreamDecorator;
+
+    public function __construct(StreamInterface $stream)
+    {
+        $this->stream = $stream;
+    }
+}

spec/Encoding/ChunkStreamSpec.php

@@ -0,0 +1,45 @@
+<?php
+
+namespace spec\Http\Message\Encoding;
+
+use Psr\Http\Message\StreamInterface;
+use PhpSpec\Exception\Example\SkippingException;
+use PhpSpec\ObjectBehavior;
+
+class ChunkStreamSpec extends ObjectBehavior
+{
+    function let(StreamInterface $stream)
+    {
+        if (defined('HHVM_VERSION')) {
+            throw new SkippingException('Skipping test as there is no dechunk filter on hhvm');
+        }
+
+        $this->beConstructedWith($stream);
+    }
+
+    function it_is_initializable()
+    {
+        $this->shouldHaveType('Http\Message\Encoding\ChunkStream');
+    }
+
+    function it_is_a_stream()
+    {
+        $this->shouldImplement('Psr\Http\Message\StreamInterface');
+    }
+
+    function it_chunks_content()
+    {
+        $stream = new MemoryStream('This is a stream');
+        $this->beConstructedWith($stream, 6);
+
+        $this->getContents()->shouldReturn("10\r\nThis is a stream\r\n0\r\n\r\n");
+    }
+
+    function it_chunks_in_multiple()
+    {
+        $stream = new MemoryStream('This is a stream', 6);
+        $this->beConstructedWith($stream, 6);
+
+        $this->getContents()->shouldReturn("6\r\nThis i\r\n6\r\ns a st\r\n4\r\nream\r\n0\r\n\r\n");
+    }
+}

spec/Encoding/CompressStreamSpec.php

@@ -0,0 +1,47 @@
+<?php
+
+namespace spec\Http\Message\Encoding;
+
+use Psr\Http\Message\StreamInterface;
+use PhpSpec\Exception\Example\SkippingException;
+use PhpSpec\ObjectBehavior;
+
+class CompressStreamSpec extends ObjectBehavior
+{
+    function let(StreamInterface $stream)
+    {
+        if (defined('HHVM_VERSION')) {
+            throw new SkippingException('Skipping test as zlib is not working on hhvm');
+        }
+
+        $this->beConstructedWith($stream);
+    }
+
+    function it_is_initializable()
+    {
+        $this->shouldHaveType('Http\Message\Encoding\CompressStream');
+    }
+
+    function it_is_a_stream()
+    {
+        $this->shouldImplement('Psr\Http\Message\StreamInterface');
+    }
+
+    function it_reads()
+    {
+        $stream = new MemoryStream('This is a test stream');
+        $this->beConstructedWith($stream);
+
+        $stream->rewind();
+        $this->read(4)->shouldReturn(substr(gzcompress('This is a test stream'), 0, 4));
+    }
+
+    function it_gets_content()
+    {
+        $stream = new MemoryStream('This is a test stream');
+        $this->beConstructedWith($stream);
+
+        $stream->rewind();
+        $this->getContents()->shouldReturn(gzcompress('This is a test stream'));
+    }
+}

spec/Encoding/DechunkStreamSpec.php

@@ -0,0 +1,46 @@
+<?php
+
+namespace spec\Http\Message\Encoding;
+
+use Psr\Http\Message\StreamInterface;
+use PhpSpec\Exception\Example\SkippingException;
+use PhpSpec\ObjectBehavior;
+
+class DechunkStreamSpec extends ObjectBehavior
+{
+    function let(StreamInterface $stream)
+    {
+        if (defined('HHVM_VERSION')) {
+            throw new SkippingException('Skipping test as there is no dechunk filter on hhvm');
+        }
+
+        $this->beConstructedWith($stream);
+    }
+
+    function it_is_initializable()
+    {
+        $this->shouldHaveType('Http\Message\Encoding\DechunkStream');
+    }
+
+    function it_is_a_stream()
+    {
+        $this->shouldImplement('Psr\Http\Message\StreamInterface');
+    }
+
+    function it_reads()
+    {
+        $stream = new MemoryStream("4\r\ntest\r\n4\r\ntest\r\n0\r\n\r\n\0");
+        $this->beConstructedWith($stream);
+
+        $this->read(6)->shouldReturn('testte');
+        $this->read(6)->shouldReturn('st');
+    }
+
+    function it_gets_content()
+    {
+        $stream = new MemoryStream("4\r\ntest\r\n0\r\n\r\n\0");
+        $this->beConstructedWith($stream);
+
+        $this->getContents()->shouldReturn('test');
+    }
+}

spec/Encoding/DecompressStreamSpec.php

@@ -0,0 +1,47 @@
+<?php
+
+namespace spec\Http\Message\Encoding;
+
+use Psr\Http\Message\StreamInterface;
+use PhpSpec\Exception\Example\SkippingException;
+use PhpSpec\ObjectBehavior;
+
+class DecompressStreamSpec extends ObjectBehavior
+{
+    function let(StreamInterface $stream)
+    {
+        if (defined('HHVM_VERSION')) {
+            throw new SkippingException('Skipping test as zlib is not working on hhvm');
+        }
+
+        $this->beConstructedWith($stream);
+    }
+
+    function it_is_initializable()
+    {
+        $this->shouldHaveType('Http\Message\Encoding\DecompressStream');
+    }
+
+    function it_is_a_stream()
+    {
+        $this->shouldImplement('Psr\Http\Message\StreamInterface');
+    }
+
+    function it_reads()
+    {
+        // "This is a test stream" | deflate
+        $stream = new MemoryStream(gzcompress('This is a test stream'));
+        $this->beConstructedWith($stream);
+
+        $this->read(4)->shouldReturn('This');
+    }
+
+    function it_gets_content()
+    {
+        // "This is a test stream" | deflate
+        $stream = new MemoryStream(gzcompress('This is a test stream'));
+        $this->beConstructedWith($stream);
+
+        $this->getContents()->shouldReturn('This is a test stream');
+    }
+}

spec/Encoding/DeflateStreamSpec.php

@@ -0,0 +1,42 @@
+<?php
+
+namespace spec\Http\Message\Encoding;
+
+use Psr\Http\Message\StreamInterface;
+use PhpSpec\ObjectBehavior;
+
+class DeflateStreamSpec extends ObjectBehavior
+{
+    function let(StreamInterface $stream)
+    {
+        $this->beConstructedWith($stream);
+    }
+
+    function it_is_initializable()
+    {
+        $this->shouldHaveType('Http\Message\Encoding\DeflateStream');
+    }
+
+    function it_is_a_stream()
+    {
+        $this->shouldImplement('Psr\Http\Message\StreamInterface');
+    }
+
+    function it_reads()
+    {
+        $stream = new MemoryStream('This is a test stream');
+        $this->beConstructedWith($stream);
+
+        $stream->rewind();
+        $this->read(4)->shouldReturn(substr(gzdeflate('This is a test stream'),0, 4));
+    }
+
+    function it_gets_content()
+    {
+        $stream = new MemoryStream('This is a test stream');
+        $this->beConstructedWith($stream);
+
+        $stream->rewind();
+        $this->getContents()->shouldReturn(gzdeflate('This is a test stream'));
+    }
+}