Init Server Composer Components

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

@@ -0,0 +1,186 @@
+<?php
+namespace GuzzleHttp\Tests\Psr7;
+
+use GuzzleHttp\Psr7\AppendStream;
+use GuzzleHttp\Psr7;
+
+class AppendStreamTest extends \PHPUnit_Framework_TestCase
+{
+    /**
+     * @expectedException \InvalidArgumentException
+     * @expectedExceptionMessage Each stream must be readable
+     */
+    public function testValidatesStreamsAreReadable()
+    {
+        $a = new AppendStream();
+        $s = $this->getMockBuilder('Psr\Http\Message\StreamInterface')
+            ->setMethods(['isReadable'])
+            ->getMockForAbstractClass();
+        $s->expects($this->once())
+            ->method('isReadable')
+            ->will($this->returnValue(false));
+        $a->addStream($s);
+    }
+
+    /**
+     * @expectedException \RuntimeException
+     * @expectedExceptionMessage The AppendStream can only seek with SEEK_SET
+     */
+    public function testValidatesSeekType()
+    {
+        $a = new AppendStream();
+        $a->seek(100, SEEK_CUR);
+    }
+
+    /**
+     * @expectedException \RuntimeException
+     * @expectedExceptionMessage Unable to seek stream 0 of the AppendStream
+     */
+    public function testTriesToRewindOnSeek()
+    {
+        $a = new AppendStream();
+        $s = $this->getMockBuilder('Psr\Http\Message\StreamInterface')
+            ->setMethods(['isReadable', 'rewind', 'isSeekable'])
+            ->getMockForAbstractClass();
+        $s->expects($this->once())
+            ->method('isReadable')
+            ->will($this->returnValue(true));
+        $s->expects($this->once())
+            ->method('isSeekable')
+            ->will($this->returnValue(true));
+        $s->expects($this->once())
+            ->method('rewind')
+            ->will($this->throwException(new \RuntimeException()));
+        $a->addStream($s);
+        $a->seek(10);
+    }
+
+    public function testSeeksToPositionByReading()
+    {
+        $a = new AppendStream([
+            Psr7\stream_for('foo'),
+            Psr7\stream_for('bar'),
+            Psr7\stream_for('baz'),
+        ]);
+
+        $a->seek(3);
+        $this->assertEquals(3, $a->tell());
+        $this->assertEquals('bar', $a->read(3));
+
+        $a->seek(6);
+        $this->assertEquals(6, $a->tell());
+        $this->assertEquals('baz', $a->read(3));
+    }
+
+    public function testDetachesEachStream()
+    {
+        $s1 = Psr7\stream_for('foo');
+        $s2 = Psr7\stream_for('bar');
+        $a = new AppendStream([$s1, $s2]);
+        $this->assertSame('foobar', (string) $a);
+        $a->detach();
+        $this->assertSame('', (string) $a);
+        $this->assertSame(0, $a->getSize());
+    }
+
+    public function testClosesEachStream()
+    {
+        $s1 = Psr7\stream_for('foo');
+        $a = new AppendStream([$s1]);
+        $a->close();
+        $this->assertSame('', (string) $a);
+    }
+
+    /**
+     * @expectedExceptionMessage Cannot write to an AppendStream
+     * @expectedException \RuntimeException
+     */
+    public function testIsNotWritable()
+    {
+        $a = new AppendStream([Psr7\stream_for('foo')]);
+        $this->assertFalse($a->isWritable());
+        $this->assertTrue($a->isSeekable());
+        $this->assertTrue($a->isReadable());
+        $a->write('foo');
+    }
+
+    public function testDoesNotNeedStreams()
+    {
+        $a = new AppendStream();
+        $this->assertEquals('', (string) $a);
+    }
+
+    public function testCanReadFromMultipleStreams()
+    {
+        $a = new AppendStream([
+            Psr7\stream_for('foo'),
+            Psr7\stream_for('bar'),
+            Psr7\stream_for('baz'),
+        ]);
+        $this->assertFalse($a->eof());
+        $this->assertSame(0, $a->tell());
+        $this->assertEquals('foo', $a->read(3));
+        $this->assertEquals('bar', $a->read(3));
+        $this->assertEquals('baz', $a->read(3));
+        $this->assertSame('', $a->read(1));
+        $this->assertTrue($a->eof());
+        $this->assertSame(9, $a->tell());
+        $this->assertEquals('foobarbaz', (string) $a);
+    }
+
+    public function testCanDetermineSizeFromMultipleStreams()
+    {
+        $a = new AppendStream([
+            Psr7\stream_for('foo'),
+            Psr7\stream_for('bar')
+        ]);
+        $this->assertEquals(6, $a->getSize());
+
+        $s = $this->getMockBuilder('Psr\Http\Message\StreamInterface')
+            ->setMethods(['isSeekable', 'isReadable'])
+            ->getMockForAbstractClass();
+        $s->expects($this->once())
+            ->method('isSeekable')
+            ->will($this->returnValue(null));
+        $s->expects($this->once())
+            ->method('isReadable')
+            ->will($this->returnValue(true));
+        $a->addStream($s);
+        $this->assertNull($a->getSize());
+    }
+
+    public function testCatchesExceptionsWhenCastingToString()
+    {
+        $s = $this->getMockBuilder('Psr\Http\Message\StreamInterface')
+            ->setMethods(['isSeekable', 'read', 'isReadable', 'eof'])
+            ->getMockForAbstractClass();
+        $s->expects($this->once())
+            ->method('isSeekable')
+            ->will($this->returnValue(true));
+        $s->expects($this->once())
+            ->method('read')
+            ->will($this->throwException(new \RuntimeException('foo')));
+        $s->expects($this->once())
+            ->method('isReadable')
+            ->will($this->returnValue(true));
+        $s->expects($this->any())
+            ->method('eof')
+            ->will($this->returnValue(false));
+        $a = new AppendStream([$s]);
+        $this->assertFalse($a->eof());
+        $this->assertSame('', (string) $a);
+    }
+
+    public function testCanDetach()
+    {
+        $s = new AppendStream();
+        $s->detach();
+    }
+
+    public function testReturnsEmptyMetadata()
+    {
+        $s = new AppendStream();
+        $this->assertEquals([], $s->getMetadata());
+        $this->assertNull($s->getMetadata('foo'));
+    }
+}