Init Server Composer Components

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

@@ -0,0 +1,90 @@
+<?php
+namespace GuzzleHttp\Tests\Psr7;
+
+use GuzzleHttp\Psr7;
+use GuzzleHttp\Psr7\FnStream;
+
+/**
+ * @covers GuzzleHttp\Psr7\FnStream
+ */
+class FnStreamTest extends \PHPUnit_Framework_TestCase
+{
+    /**
+     * @expectedException \BadMethodCallException
+     * @expectedExceptionMessage seek() is not implemented in the FnStream
+     */
+    public function testThrowsWhenNotImplemented()
+    {
+        (new FnStream([]))->seek(1);
+    }
+
+    public function testProxiesToFunction()
+    {
+        $s = new FnStream([
+            'read' => function ($len) {
+                $this->assertEquals(3, $len);
+                return 'foo';
+            }
+        ]);
+
+        $this->assertEquals('foo', $s->read(3));
+    }
+
+    public function testCanCloseOnDestruct()
+    {
+        $called = false;
+        $s = new FnStream([
+            'close' => function () use (&$called) {
+                $called = true;
+            }
+        ]);
+        unset($s);
+        $this->assertTrue($called);
+    }
+
+    public function testDoesNotRequireClose()
+    {
+        $s = new FnStream([]);
+        unset($s);
+    }
+
+    public function testDecoratesStream()
+    {
+        $a = Psr7\stream_for('foo');
+        $b = FnStream::decorate($a, []);
+        $this->assertEquals(3, $b->getSize());
+        $this->assertEquals($b->isWritable(), true);
+        $this->assertEquals($b->isReadable(), true);
+        $this->assertEquals($b->isSeekable(), true);
+        $this->assertEquals($b->read(3), 'foo');
+        $this->assertEquals($b->tell(), 3);
+        $this->assertEquals($a->tell(), 3);
+        $this->assertSame('', $a->read(1));
+        $this->assertEquals($b->eof(), true);
+        $this->assertEquals($a->eof(), true);
+        $b->seek(0);
+        $this->assertEquals('foo', (string) $b);
+        $b->seek(0);
+        $this->assertEquals('foo', $b->getContents());
+        $this->assertEquals($a->getMetadata(), $b->getMetadata());
+        $b->seek(0, SEEK_END);
+        $b->write('bar');
+        $this->assertEquals('foobar', (string) $b);
+        $this->assertInternalType('resource', $b->detach());
+        $b->close();
+    }
+
+    public function testDecoratesWithCustomizations()
+    {
+        $called = false;
+        $a = Psr7\stream_for('foo');
+        $b = FnStream::decorate($a, [
+            'read' => function ($len) use (&$called, $a) {
+                $called = true;
+                return $a->read($len);
+            }
+        ]);
+        $this->assertEquals('foo', $b->read(3));
+        $this->assertTrue($called);
+    }
+}