diff --git a/tests/SftpAdapterTests.php b/tests/SftpAdapterTests.php
index 03d4d32..2d869df 100644
--- a/tests/SftpAdapterTests.php
+++ b/tests/SftpAdapterTests.php
@@ -18,10 +18,10 @@ class SftpTests extends TestCase
 
     protected function setup()
     {
-        if (!defined('NET_SFTP_TYPE_REGULAR')) {
+        if (! defined('NET_SFTP_TYPE_REGULAR')) {
             define('NET_SFTP_TYPE_REGULAR', 1);
         }
-        if (!defined('NET_SFTP_TYPE_DIRECTORY')) {
+        if (! defined('NET_SFTP_TYPE_DIRECTORY')) {
             define('NET_SFTP_TYPE_DIRECTORY', 2);
         }
     }
@@ -47,9 +47,9 @@ public function adapterProvider()
     public function testHas($filesystem, $adapter, $mock)
     {
         $mock->shouldReceive('stat')->andReturn([
-            'type' => NET_SFTP_TYPE_DIRECTORY,
-            'mtime' => time(),
-            'size' => 20,
+            'type'        => NET_SFTP_TYPE_DIRECTORY,
+            'mtime'       => time(),
+            'size'        => 20,
             'permissions' => 0777,
         ]);
 
@@ -99,9 +99,9 @@ public function testDelete($filesystem, $adapter, $mock)
     {
         $mock->shouldReceive('delete')->andReturn(true, false);
         $mock->shouldReceive('stat')->andReturn([
-            'type' => 1,
-            'mtime' => time(),
-            'size' => 20,
+            'type'        => 1,
+            'mtime'       => time(),
+            'size'        => 20,
             'permissions' => 0777,
         ]);
         $this->assertTrue($filesystem->delete('something'));
@@ -115,9 +115,9 @@ public function testUpdate(FilesystemInterface $filesystem, $adapter, $mock)
     {
         $mock->shouldReceive('put')->andReturn(true, false);
         $mock->shouldReceive('stat')->andReturn([
-            'type' => NET_SFTP_TYPE_DIRECTORY,
-            'mtime' => time(),
-            'size' => 20,
+            'type'        => NET_SFTP_TYPE_DIRECTORY,
+            'mtime'       => time(),
+            'size'        => 20,
             'permissions' => 0777,
         ]);
         $this->assertTrue($filesystem->update('something', 'something'));
@@ -132,9 +132,9 @@ public function testUpdateStream(FilesystemInterface $filesystem, $adapter, $moc
         $stream = tmpfile();
         $mock->shouldReceive('put')->andReturn(true, false);
         $mock->shouldReceive('stat')->andReturn([
-            'type' => NET_SFTP_TYPE_DIRECTORY,
-            'mtime' => time(),
-            'size' => 20,
+            'type'        => NET_SFTP_TYPE_DIRECTORY,
+            'mtime'       => time(),
+            'size'        => 20,
             'permissions' => 0777,
         ]);
         $this->assertTrue($filesystem->updateStream('something', $stream));
@@ -148,9 +148,9 @@ public function testUpdateStream(FilesystemInterface $filesystem, $adapter, $moc
     public function testSetVisibility($filesystem, $adapter, $mock)
     {
         $mock->shouldReceive('stat')->andReturn([
-            'type' => 1, // file
-            'mtime' => time(),
-            'size' => 20,
+            'type'        => 1, // file
+            'mtime'       => time(),
+            'size'        => 20,
             'permissions' => 0777,
         ]);
         $mock->shouldReceive('chmod')->twice()->andReturn(true, false);
@@ -165,9 +165,9 @@ public function testSetVisibility($filesystem, $adapter, $mock)
     public function testSetVisibilityInvalid($filesystem, $adapter, $mock)
     {
         $mock->shouldReceive('stat')->andReturn([
-            'type' => 1, // file
-            'mtime' => time(),
-            'size' => 20,
+            'type'        => 1, // file
+            'mtime'       => time(),
+            'size'        => 20,
             'permissions' => 0777,
         ]);
         $mock->shouldReceive('stat')->once()->andReturn(true);
@@ -180,16 +180,16 @@ public function testSetVisibilityInvalid($filesystem, $adapter, $mock)
     public function testRename($filesystem, $adapter, $mock)
     {
         $mock->shouldReceive('stat')->with('old')->andReturn([
-            'type' => NET_SFTP_TYPE_REGULAR, // file
-            'mtime' => time(),
-            'size' => 20,
+            'type'        => NET_SFTP_TYPE_REGULAR, // file
+            'mtime'       => time(),
+            'size'        => 20,
             'permissions' => 0777,
         ]);
         $mock->shouldReceive('stat')->with('old')->andReturn(false);
         $mock->shouldReceive('stat')->with('.')->andReturn([
-            'type' => NET_SFTP_TYPE_DIRECTORY,
-            'mtime' => time(),
-            'size' => 20,
+            'type'        => NET_SFTP_TYPE_DIRECTORY,
+            'mtime'       => time(),
+            'size'        => 20,
             'permissions' => 0777,
         ]);
 
@@ -205,9 +205,9 @@ public function testRename($filesystem, $adapter, $mock)
     public function testRenameCreatesDirectory($filesystem, $adapter, $mock)
     {
         $mock->shouldReceive('stat')->with('old_dir/file.ext')->andReturn([
-            'type' => NET_SFTP_TYPE_REGULAR, // file
-            'mtime' => time(),
-            'size' => 20,
+            'type'        => NET_SFTP_TYPE_REGULAR, // file
+            'mtime'       => time(),
+            'size'        => 20,
             'permissions' => 0777,
         ]);
         $mock->shouldReceive('stat')->with('new_dir/file.ext')->andReturn(false);
@@ -235,19 +235,19 @@ public function testDeleteDir($filesystem, $adapter, $mock)
     public function testListContents($filesystem, $adapter, $mock)
     {
         $mock->shouldReceive('rawlist')->andReturn(false, [
-            '.' => [],
+            '.'       => [],
             'dirname' => [
-                'type' => NET_SFTP_TYPE_DIRECTORY,
-                'mtime' => time(),
-                'size' => 20,
+                'type'        => NET_SFTP_TYPE_DIRECTORY,
+                'mtime'       => time(),
+                'size'        => 20,
                 'permissions' => 0777,
             ],
         ], [
-            '..' => [],
+            '..'      => [],
             'dirname' => [
-                'type' => 1,
-                'mtime' => time(),
-                'size' => 20,
+                'type'        => 1,
+                'mtime'       => time(),
+                'size'        => 20,
                 'permissions' => 0777,
             ],
         ]);
@@ -277,9 +277,9 @@ public function methodProvider()
     public function testMetaMethods($filesystem, $adapter, $mock, $method, $type)
     {
         $mock->shouldReceive('stat')->andReturn([
-            'type' => NET_SFTP_TYPE_DIRECTORY,
-            'mtime' => time(),
-            'size' => 20,
+            'type'        => NET_SFTP_TYPE_DIRECTORY,
+            'mtime'       => time(),
+            'size'        => 20,
             'permissions' => 0777,
         ]);
         $result = $filesystem->{$method}(uniqid() . 'object.ext');
@@ -292,9 +292,9 @@ public function testMetaMethods($filesystem, $adapter, $mock, $method, $type)
     public function testGetVisibility($filesystem, $adapter, $mock)
     {
         $mock->shouldReceive('stat')->andReturn([
-            'type' => NET_SFTP_TYPE_DIRECTORY,
-            'mtime' => time(),
-            'size' => 20,
+            'type'        => NET_SFTP_TYPE_DIRECTORY,
+            'mtime'       => time(),
+            'size'        => 20,
             'permissions' => 0777,
         ]);
         $result = $adapter->getVisibility(uniqid() . 'object.ext');
@@ -310,9 +310,9 @@ public function testGetVisibility($filesystem, $adapter, $mock)
     public function testGetTimestamp($filesystem, $adapter, $mock)
     {
         $mock->shouldReceive('stat')->andReturn([
-            'type' => NET_SFTP_TYPE_DIRECTORY,
-            'mtime' => $time = time(),
-            'size' => 20,
+            'type'        => NET_SFTP_TYPE_DIRECTORY,
+            'mtime'       => $time = time(),
+            'size'        => 20,
             'permissions' => 0777,
         ]);
         $result = $adapter->getTimestamp('object.ext');
@@ -341,9 +341,9 @@ public function testCreateDir($filesystem, $adapter, $mock)
     public function testRead($filesystem, $adapter, $mock)
     {
         $mock->shouldReceive('stat')->andReturn([
-            'type' => 1,
-            'mtime' => time(),
-            'size' => 20,
+            'type'        => 1,
+            'mtime'       => time(),
+            'size'        => 20,
             'permissions' => 0777,
         ]);
         $mock->shouldReceive('get')->andReturn('file contents', false);
@@ -375,9 +375,9 @@ public function testReadStream($filesystem, $adapter, $mock)
     public function testGetMimetype($filesystem, $adapter, $mock)
     {
         $mock->shouldReceive('stat')->andReturn([
-            'type' => 1,
-            'mtime' => time(),
-            'size' => 20,
+            'type'        => 1,
+            'mtime'       => time(),
+            'size'        => 20,
             'permissions' => 0777,
         ]);
 
@@ -421,7 +421,7 @@ public function testAgentSetGet($filesystem, SftpAdapter $adapter, $mock)
      */
     public function testPrivateKeyFileSetGet($filesystem, $adapter, $mock)
     {
-        file_put_contents($key = __DIR__ . '/some.key', 'key contents');
+        file_put_contents($key = __DIR__.'/some.key', 'key contents');
         $this->assertEquals($adapter, $adapter->setPrivateKey($key));
         $this->assertInstanceOf('phpseclib\Crypt\RSA', $adapter->getPrivateKey());
         @unlink($key);
@@ -521,7 +521,7 @@ public function testConnectWithDoubleAuthentication($filesystem, $adapter, $mock
         $adapter->setNetSftpConnection($mock);
 
         $expectedAuths = [$adapter->getPrivateKey(), 'test'];
-        $mock->shouldReceive('login')->with('test', Mockery::on(function ($auth) use (&$expectedAuths) {
+        $mock->shouldReceive('login')->with('test', Mockery::on(function($auth) use (&$expectedAuths) {
             return $auth == array_shift($expectedAuths);
         }))->twice()->andReturn(false, true);
 
@@ -606,17 +606,17 @@ public function testListContentsDir($filesystem, $adapter, $mock)
                 [
                     'dirname' =>
                         [
-                            'type' => NET_SFTP_TYPE_DIRECTORY,
-                            'mtime' => time(),
+                            'type'        => NET_SFTP_TYPE_DIRECTORY,
+                            'mtime'       => time(),
                             'permissions' => 0777,
-                            'filename' => 'dirname'
+                            'filename'    => 'dirname'
                         ],
                     'filename' =>
                         [
-                            'mtime' => time(),
-                            'size' => 20,
+                            'mtime'       => time(),
+                            'size'        => 20,
                             'permissions' => 0777,
-                            'filename' => 'filename'
+                            'filename'    => 'filename'
                         ],
                 ]
             );
@@ -639,7 +639,7 @@ public function testNetSftpConnectionSetter()
         $this->assertEquals($mock, $adapter->getConnection());
     }
 
-    public function testHostFingerprintIsVerifiedIfProvided()
+    public function testHostFingerprintIsVerifiedIfProvided ()
     {
         $adapter = new SftpAdapter([
             'host' => 'example.org',
@@ -662,7 +662,7 @@ public function testHostFingerprintIsVerifiedIfProvided()
         $adapter->connect();
     }
 
-    public function testHostFingerprintNotIsVerifiedIfNotProvided()
+    public function testHostFingerprintNotIsVerifiedIfNotProvided ()
     {
         $adapter = new SftpAdapter([
             'host' => 'example.org',
@@ -753,10 +753,10 @@ public function testListContentsWithZeroNamedDir($filesystem, $adapter, $mock)
                 [
                     '0' =>
                         [
-                            'type' => NET_SFTP_TYPE_DIRECTORY,
-                            'mtime' => time(),
+                            'type'        => NET_SFTP_TYPE_DIRECTORY,
+                            'mtime'       => time(),
                             'permissions' => 0777,
-                            'filename' => '0'
+                            'filename'    => '0'
                         ]
                 ]
             );