Add StringStream

src/Stream/StringStream.php

@@ -0,0 +1,13 @@
+<?php
+
+namespace WellRESTed\Stream;
+
+class StringStream extends StreamStream
+{
+    public function __construct($string = "")
+    {
+        $handle = fopen("php://memory", "w+");
+        fwrite($handle, $string);
+        parent::__construct($handle);
+    }
+}

test/tests/unit/Stream/StingStreamTest.php

@@ -0,0 +1,34 @@
+<?php
+
+namespace WellRESTed\Test\Stream;
+
+use WellRESTed\Stream\StringStream;
+
+/**
+ * @covers WellRESTed\Stream\StringStream
+ * @uses WellRESTed\Stream\StreamStream
+ */
+class StringStreamTest extends \PHPUnit_Framework_TestCase
+{
+    public function testCreatesInstance()
+    {
+        $stream = new StringStream();
+        $this->assertNotNull($stream);
+    }
+
+    public function testCreatesInstanceWithString()
+    {
+        $message = "Hello, World!";
+        $stream = new StringStream($message);
+        $this->assertEquals($message, (string) $stream);
+    }
+
+    public function testAllowsWriting()
+    {
+        $message = "Hello, World!";
+        $stream = new StringStream();
+        $stream->write("Hello,");
+        $stream->write(" World!");
+        $this->assertEquals($message, (string) $stream);
+    }
+}