Merge pull request #83 from niels-nijens/connection-adapter-linking

Implemented ConnectionAdapterInterface::isLink for checking symlinks

src/Deployment/Connection/ConnectionAdapterInterface.php

@@ -41,6 +41,15 @@ public function isConnected();
      */
     public function isFile($remoteFilename);
 
+    /**
+     * Returns true if $remoteTarget is a symlink.
+     *
+     * @param string $remoteTarget
+     *
+     * @return bool
+     */
+    public function isLink($remoteTarget);
+
     /**
      * Returns true if $remoteDirectory is a remote directory.
      *

src/Deployment/Connection/LocalConnectionAdapter.php

@@ -44,6 +44,14 @@ public function isFile($remoteFilename)
         return is_file($remoteFilename);
     }
 
+    /**
+     * {@inheritdoc}
+     */
+    public function isLink($remoteTarget)
+    {
+        return is_link($remoteTarget);
+    }
+
     /**
      * {@inheritdoc}
      */

src/Deployment/Connection/SSHConnectionAdapter.php

@@ -144,6 +144,18 @@ public function isFile($remoteFilename)
         return false;
     }
 
+    /**
+     * {@inheritdoc}
+     */
+    public function isLink($remoteTarget)
+    {
+        if ($this->isConnected()) {
+            return $this->connection->is_link($remoteTarget);
+        }
+
+        return false;
+    }
+
     /**
      * {@inheritdoc}
      */

tests/Deployment/Connection/ConnectedConnectionAdapterTestCase.php

@@ -35,6 +35,17 @@ public function testIsFileReturnsFalseWhenNotConnected()
         $this->assertFalse($this->connectionAdapter->isFile($this->workspaceUtility->getWorkspacePath().'/test.txt'));
     }
 
+    /**
+     * Tests if ConnectionAdapterInterface::isLink returns false when not connected.
+     */
+    public function testIsLinkReturnsFalseWhenNotConnected()
+    {
+        $this->workspaceUtility->createFile('/test.txt');
+        symlink($this->workspaceUtility->getWorkspacePath().'/test.txt', $this->workspaceUtility->getWorkspacePath().'/testLink');
+
+        $this->assertFalse($this->connectionAdapter->isLink($this->workspaceUtility->getWorkspacePath().'/testLink'));
+    }
+
     /**
      * Tests if ConnectionAdapterInterface::isDirectory returns false when not connected.
      */

tests/Deployment/Connection/ConnectionAdapterTestCase.php

@@ -104,6 +104,33 @@ public function testIsFileReturnsTrueWhenFileExists()
         $this->assertTrue($this->connectionAdapter->isFile($this->workspaceUtility->getWorkspacePath().'/test.txt'));
     }
 
+    /**
+     * Tests if ConnectionAdapterInterface::isLink returns false when the link does not exist.
+     *
+     * @depends testConnectReturnsTrue
+     */
+    public function testIsLinkReturnsFalseWhenLinkNotExists()
+    {
+        $this->connectionAdapter->connect();
+
+        $this->assertFalse($this->connectionAdapter->isLink($this->workspaceUtility->getWorkspacePath().'testLink'));
+    }
+
+    /**
+     * Tests if ConnectionAdapterInterface::isLink returns true when the link exists.
+     *
+     * @depends testConnectReturnsTrue
+     */
+    public function testIsLinkReturnsTrueWhenLinkExists()
+    {
+        $this->workspaceUtility->createFile('/test.txt');
+        symlink($this->workspaceUtility->getWorkspacePath().'/test.txt', $this->workspaceUtility->getWorkspacePath().'/testLink');
+
+        $this->connectionAdapter->connect();
+
+        $this->assertTrue($this->connectionAdapter->isLink($this->workspaceUtility->getWorkspacePath().'/testLink'));
+    }
+
     /**
      * Tests if ConnectionAdapterInterface::isDirectory returns false when the directory does not exist.
      *