finito execturo for real

server/executor.py

@@ -36,7 +36,18 @@ class Executor:
         return self.currentDirectory
 
     def setCurrentDirectory(self, dirName: str) -> str:
-        # TODO : Navigate up a directory structure
+        if dirName == "..":
+            if self.currentDirectory == self.baseDir:
+                return self.currentDirectory
+            else:
+                directories = self.currentDirectory.split("/")
+                strdirectory = ""
+                for dir in directories:
+                    strdirectory += dir + "/"
+                    strdirectory = strdirectory[:-3]
+                self.currentDirectory = strdirectory
+                return self.currentDirectory
+        else:
             dirName = self.sanitizeDirectory(dirName)
             self.currentDirectory = self.currentDirectory + "/" + dirName
             return self.currentDirectory