Init Server Composer Components

server/vendor/guzzlehttp/psr7/tests/BufferStreamTest.php

@@ -0,0 +1,63 @@
+<?php
+namespace GuzzleHttp\Tests\Psr7;
+
+use GuzzleHttp\Psr7\BufferStream;
+
+class BufferStreamTest extends \PHPUnit_Framework_TestCase
+{
+    public function testHasMetadata()
+    {
+        $b = new BufferStream(10);
+        $this->assertTrue($b->isReadable());
+        $this->assertTrue($b->isWritable());
+        $this->assertFalse($b->isSeekable());
+        $this->assertEquals(null, $b->getMetadata('foo'));
+        $this->assertEquals(10, $b->getMetadata('hwm'));
+        $this->assertEquals([], $b->getMetadata());
+    }
+
+    public function testRemovesReadDataFromBuffer()
+    {
+        $b = new BufferStream();
+        $this->assertEquals(3, $b->write('foo'));
+        $this->assertEquals(3, $b->getSize());
+        $this->assertFalse($b->eof());
+        $this->assertEquals('foo', $b->read(10));
+        $this->assertTrue($b->eof());
+        $this->assertEquals('', $b->read(10));
+    }
+
+    /**
+     * @expectedException \RuntimeException
+     * @expectedExceptionMessage Cannot determine the position of a BufferStream
+     */
+    public function testCanCastToStringOrGetContents()
+    {
+        $b = new BufferStream();
+        $b->write('foo');
+        $b->write('baz');
+        $this->assertEquals('foo', $b->read(3));
+        $b->write('bar');
+        $this->assertEquals('bazbar', (string) $b);
+        $b->tell();
+    }
+
+    public function testDetachClearsBuffer()
+    {
+        $b = new BufferStream();
+        $b->write('foo');
+        $b->detach();
+        $this->assertTrue($b->eof());
+        $this->assertEquals(3, $b->write('abc'));
+        $this->assertEquals('abc', $b->read(10));
+    }
+
+    public function testExceedingHighwaterMarkReturnsFalseButStillBuffers()
+    {
+        $b = new BufferStream(5);
+        $this->assertEquals(3, $b->write('hi '));
+        $this->assertFalse($b->write('hello'));
+        $this->assertEquals('hi hello', (string) $b);
+        $this->assertEquals(4, $b->write('test'));
+    }
+}