Cleanup and optimize helper tests for speed
diff --git a/tests/codeigniter/helpers/file_helper_test.php b/tests/codeigniter/helpers/file_helper_test.php
index 4b9c294..9b03da9 100644
--- a/tests/codeigniter/helpers/file_helper_test.php
+++ b/tests/codeigniter/helpers/file_helper_test.php
@@ -5,24 +5,23 @@
 	public function set_up()
 	{
 		$this->helper('file');
-		
+
 		vfsStreamWrapper::register();
 		vfsStreamWrapper::setRoot(new vfsStreamDirectory('testDir'));
-		
+
 		$this->_test_dir = vfsStreamWrapper::getRoot();
 	}
-	
+
 	// --------------------------------------------------------------------
-	
+
 	public function test_read_file()
 	{
 		$this->assertFalse(read_file('does_not_exist'));
-		
+
 		$content = 'Jack and Jill went up the mountain to fight a billy goat.';
-		
-		$file = vfsStream::newFile('my_file.txt')->withContent($content)
-												 ->at($this->_test_dir);
-		
+
+		$file = vfsStream::newFile('my_file.txt')->withContent($content)->at($this->_test_dir);
+
 		$this->assertEquals($content, read_file(vfsStream::url('my_file.txt')));
 	}
 
@@ -31,126 +30,124 @@
 	public function test_octal_permissions()
 	{
 		$content = 'Jack and Jill went up the mountain to fight a billy goat.';
-		
+
 		$file = vfsStream::newFile('my_file.txt', 0777)->withContent($content)
-												 ->lastModified(time() - 86400)
-												 ->at($this->_test_dir);
-		
-		$this->assertEquals('777', octal_permissions($file->getPermissions()));		
+											 ->lastModified(time() - 86400)
+											 ->at($this->_test_dir);
+
+		$this->assertEquals('777', octal_permissions($file->getPermissions()));
 	}
 
-	// --------------------------------------------------------------------	
-	
+	// --------------------------------------------------------------------
+
 	/**
 	 * More tests should happen here, since I'm not hitting the whole function.
 	 */
 	public function test_symbolic_permissions()
 	{
 		$content = 'Jack and Jill went up the mountain to fight a billy goat.';
-		
+
 		$file = vfsStream::newFile('my_file.txt', 0777)->withContent($content)
-												 ->lastModified(time() - 86400)
-												 ->at($this->_test_dir);
-												
-		$this->assertEquals('urwxrwxrwx', symbolic_permissions($file->getPermissions()));		
+											 ->lastModified(time() - 86400)
+											 ->at($this->_test_dir);
+
+		$this->assertEquals('urwxrwxrwx', symbolic_permissions($file->getPermissions()));
 	}
 
-	// --------------------------------------------------------------------	
-	
+	// --------------------------------------------------------------------
+
 	public function test_get_mime_by_extension()
 	{
 		$content = 'Jack and Jill went up the mountain to fight a billy goat.';
-		
+
 		$file = vfsStream::newFile('my_file.txt', 0777)->withContent($content)
-												 ->lastModified(time() - 86400)
-												 ->at($this->_test_dir);
-												
-		$this->assertEquals('text/plain', 
-						get_mime_by_extension(vfsStream::url('my_file.txt')));
-						
-		// Test a mime with an array, such as png		
+											 ->lastModified(time() - 86400)
+											 ->at($this->_test_dir);
+
+		$this->assertEquals('text/plain', get_mime_by_extension(vfsStream::url('my_file.txt')));
+
+		// Test a mime with an array, such as png
 		$file = vfsStream::newFile('foo.png')->at($this->_test_dir);
-		
-		$this->assertEquals('image/png', get_mime_by_extension(vfsStream::url('foo.png')));			
-			
+
+		$this->assertEquals('image/png', get_mime_by_extension(vfsStream::url('foo.png')));
+
 		// Test a file not in the mimes array
 		$file = vfsStream::newFile('foo.blarfengar')->at($this->_test_dir);
-		
+
 		$this->assertFalse(get_mime_by_extension(vfsStream::url('foo.blarfengar')));
 	}
 
-	// --------------------------------------------------------------------	
+	// --------------------------------------------------------------------
 
 	public function test_get_file_info()
 	{
 		// Test Bad File
 		$this->assertFalse(get_file_info('i_am_bad_boo'));
-		
+
 		// Test the rest
-		
+
 		// First pass in an array
 		$vals = array(
 			'name', 'server_path', 'size', 'date',
-			'readable', 'writable', 'executable',  'fileperms'
+			'readable', 'writable', 'executable', 'fileperms'
 		);
-		
+
 		$this->_test_get_file_info($vals);
 
 		// Test passing in vals as a string.
-		$vals = 'name, server_path, size, date, readable, writable, executable, fileperms';
-		$this->_test_get_file_info($vals);
+		$this->_test_get_file_info(implode(', ', $vals));
 	}
-	
+
 	private function _test_get_file_info($vals)
 	{
 		$content = 'Jack and Jill went up the mountain to fight a billy goat.';
 		$last_modified = time() - 86400;
-		
+
 		$file = vfsStream::newFile('my_file.txt', 0777)->withContent($content)
-												 ->lastModified($last_modified)
-												 ->at($this->_test_dir);
-		
+											 ->lastModified($last_modified)
+											 ->at($this->_test_dir);
+
 		$ret_values = array(
-			'name'			=> 'my_file.txt', 
-			'server_path'	=> 'vfs://my_file.txt', 
-			'size'			=> 57, 
-			'date'			=> $last_modified, 
+			'name'			=> 'my_file.txt',
+			'server_path'	=> 'vfs://my_file.txt',
+			'size'			=> 57,
+			'date'			=> $last_modified,
 			'readable'		=> TRUE,
-			'writable'		=> TRUE, 
-			'executable'	=> TRUE, 
+			'writable'		=> TRUE,
+			'executable'	=> TRUE,
 			'fileperms'		=> 33279
 		);
-		
+
 		$info = get_file_info(vfsStream::url('my_file.txt'), $vals);
-		
+
 		foreach ($info as $k => $v)
 		{
 			$this->assertEquals($ret_values[$k], $v);
 		}
 	}
-	
-	// --------------------------------------------------------------------	
+
+	// --------------------------------------------------------------------
 
 	// Skipping for now, as it's not implemented in vfsStreamWrapper
 	// flock(): vfsStreamWrapper::stream_lock is not implemented!
-	
+
 	// public function test_write_file()
 	// {
-	// 	if ( ! defined('FOPEN_WRITE_CREATE_DESTRUCTIVE'))
-	// 	{
-	// 		define('FOPEN_WRITE_CREATE_DESTRUCTIVE', 'wb');
-	// 	}
-	// 	
-	// 	$content = 'Jack and Jill went up the mountain to fight a billy goat.';
-	// 	
-	// 	$file = vfsStream::newFile('write.txt', 0777)->withContent('')
-	// 											 	 ->lastModified(time() - 86400)
-	// 											 	 ->at($this->_test_dir);
-	// 	
-	// 	$this->assertTrue(write_file(vfsStream::url('write.txt'), $content));
-	// 		
+	//	if ( ! defined('FOPEN_WRITE_CREATE_DESTRUCTIVE'))
+	//	{
+	//		define('FOPEN_WRITE_CREATE_DESTRUCTIVE', 'wb');
+	//	}
+	//
+	//	$content = 'Jack and Jill went up the mountain to fight a billy goat.';
+	//
+	//	$file = vfsStream::newFile('write.txt', 0777)->withContent('')
+	//								 	 ->lastModified(time() - 86400)
+	//								 	 ->at($this->_test_dir);
+	//
+	//	$this->assertTrue(write_file(vfsStream::url('write.txt'), $content));
+	//
 	// }
 
-	// --------------------------------------------------------------------		
-	
+	// --------------------------------------------------------------------
+
 }
\ No newline at end of file