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<?php
class Swift_ByteStream_FileByteStreamAcceptanceTest extends \PHPUnit_Framework_TestCase
{
private $_testFile;
protected function setUp()
{
$this->_testFile = sys_get_temp_dir().'/swift-test-file'.__CLASS__;
file_put_contents($this->_testFile, 'abcdefghijklm');
}
protected function tearDown()
{
unlink($this->_testFile);
}
public function testFileDataCanBeRead()
{
$file = $this->_createFileStream($this->_testFile);
$str = '';
while (false !== $bytes = $file->read(8192)) {
$str .= $bytes;
}
$this->assertEquals('abcdefghijklm', $str);
}
public function testFileDataCanBeReadSequentially()
{
$file = $this->_createFileStream($this->_testFile);
$this->assertEquals('abcde', $file->read(5));
$this->assertEquals('fghijklm', $file->read(8));
$this->assertFalse($file->read(1));
}
public function testFilenameIsReturned()
{
$file = $this->_createFileStream($this->_testFile);
$this->assertEquals($this->_testFile, $file->getPath());
}
public function testFileCanBeWrittenTo()
{
$file = $this->_createFileStream($this->_testFile, true);
$file->write('foobar');
$this->assertEquals('foobar', $file->read(8192));
}
public function testReadingFromThenWritingToFile()
{
$file = $this->_createFileStream($this->_testFile, true);
$file->write('foobar');
$this->assertEquals('foobar', $file->read(8192));
$file->write('zipbutton');
$this->assertEquals('zipbutton', $file->read(8192));
}
public function testWritingToFileWithCanonicalization()
{
$file = $this->_createFileStream($this->_testFile, true);
$file->addFilter($this->_createFilter(array("\r\n", "\r"), "\n"), 'allToLF');
$file->write("foo\r\nbar\r");
$file->write("\nzip\r\ntest\r");
$file->flushBuffers();
$this->assertEquals("foo\nbar\nzip\ntest\n", file_get_contents($this->_testFile));
}
public function testWritingWithFulleMessageLengthOfAMultipleOf8192()
{
$file = $this->_createFileStream($this->_testFile, true);
$file->addFilter($this->_createFilter(array("\r\n", "\r"), "\n"), 'allToLF');
$file->write('');
$file->flushBuffers();
$this->assertEquals('', file_get_contents($this->_testFile));
}
public function testBindingOtherStreamsMirrorsWriteOperations()
{
$file = $this->_createFileStream($this->_testFile, true);
$is1 = $this->_createMockInputStream();
$is2 = $this->_createMockInputStream();
$is1->expects($this->at(0))
->method('write')
->with('x');
$is1->expects($this->at(1))
->method('write')
->with('y');
$is2->expects($this->at(0))
->method('write')
->with('x');
$is2->expects($this->at(1))
->method('write')
->with('y');
$file->bind($is1);
$file->bind($is2);
$file->write('x');
$file->write('y');
}
public function testBindingOtherStreamsMirrorsFlushOperations()
{
$file = $this->_createFileStream(
$this->_testFile, true
);
$is1 = $this->_createMockInputStream();
$is2 = $this->_createMockInputStream();
$is1->expects($this->once())
->method('flushBuffers');
$is2->expects($this->once())
->method('flushBuffers');
$file->bind($is1);
$file->bind($is2);
$file->flushBuffers();
}
public function testUnbindingStreamPreventsFurtherWrites()
{
$file = $this->_createFileStream($this->_testFile, true);
$is1 = $this->_createMockInputStream();
$is2 = $this->_createMockInputStream();
$is1->expects($this->at(0))
->method('write')
->with('x');
$is1->expects($this->at(1))
->method('write')
->with('y');
$is2->expects($this->once())
->method('write')
->with('x');
$file->bind($is1);
$file->bind($is2);
$file->write('x');
$file->unbind($is2);
$file->write('y');
}
private function _createFilter($search, $replace)
{
return new Swift_StreamFilters_StringReplacementFilter($search, $replace);
}
private function _createMockInputStream()
{
return $this->getMockBuilder('Swift_InputByteStream')->getMock();
}
private function _createFileStream($file, $writable = false)
{
return new Swift_ByteStream_FileByteStream($file, $writable);
}
}
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