diff --git a/win_venv/files/output/test.pdf b/win_venv/files/output/test.pdf
new file mode 100644
index 0000000..d8d354c
Binary files /dev/null and b/win_venv/files/output/test.pdf differ
diff --git a/win_venv/main.py b/win_venv/main.py
index 869f44f..86a552e 100644
--- a/win_venv/main.py
+++ b/win_venv/main.py
@@ -1,7 +1,9 @@
 #import tkinter as tk
 import sys
 import os
+import shutil
 from datetime import datetime
+import time
 from PyQt5 import QtCore
 from PyQt5.QtWidgets import *
 from PyQt5.QtGui import QIcon, QPixmap
@@ -15,6 +17,16 @@ def files(path):
         if os.path.isfile(os.path.join(path, file)):
             yield file
 
+
+def save_input(oldpath):
+    # make timestampt the filename, so it wouln't overwrite
+    timestamp = str(int(time.time()))
+    filename = timestamp + '.' + oldpath.split('.')[-1]
+    newpath = filePath + '\\' + filename
+    shutil.copy(oldpath, newpath)
+    return newpath
+    
+
 class LibraryTableButtons(QWidget):
     def __init__(self, filename, parent=None):
         super(LibraryTableButtons,self).__init__(parent)
@@ -39,7 +51,9 @@ class LibraryTableButtons(QWidget):
 
         self.setLayout(layout)
 
+
 class LibraryTable(QTableWidget):
+
     def __init__(self, parent=None):
         QTableWidget.__init__(self)
         self.setColumnCount(3)
@@ -61,51 +75,64 @@ class LibraryTable(QTableWidget):
             self.setItem(index,1,names[index])
             self.setCellWidget(index,2,LibraryTableButtons(names[index].text()))
 
-    
+
+class MainWindow(QMainWindow):
+
+    def __init__(self):
+        super().__init__()
+        self.initUI()
+        
+    # Show raw uploaded files
+    def showLibrary(self):
+        libTable = LibraryTable()
+        self.setCentralWidget(libTable)
+        
+    def showUploadFile(self):
+        dialog = QFileDialog(self)
+        dialog.setFileMode(QFileDialog.AnyFile)
+        dialog.setFilter(QDir.Files)
+        if dialog.exec_():
+            file_path = dialog.selectedFiles()[0] # ['C:/Users/agatha/Desktop/SYI/VisionScore/win_venv/requirements.txt']
+            save_input(file_path)
+        
+    def initUI(self):
+        self.setGeometry(0, 0, 600, 400) 
+        self.setWindowTitle('VisionScore')
+        scriptDir = os.path.dirname(os.path.realpath(__file__))
+        self.setWindowIcon(QIcon(scriptDir + os.path.sep + 'static/v_logo.jpg'))
+        
+        # Toolbar
+        menuBar = self.menuBar()
+        homeMenu = QMenu("&Home", self)
+        menuBar.addMenu(homeMenu)
+        
+        # Upload file
+        uploadAct = QAction('&Upload new file', self)
+        uploadAct.triggered.connect(self.showUploadFile)
+        homeMenu.addAction(uploadAct)
+
+        libraryAct = QAction('&Library', self)
+        libraryAct.triggered.connect(self.showLibrary)
+        menuBar.addAction(libraryAct)
+
+        # Exit app
+        exitAct = QAction('&Exit', self)
+        exitAct.setShortcut('Ctrl+Q')
+        exitAct.setStatusTip('Exit')
+        exitAct.triggered.connect(qApp.quit)
+        homeMenu.addAction(exitAct)
+        
+        helpMenu = menuBar.addMenu("&Help")  
+        
+        self.show()
+
+
 def main():
     app = QApplication(sys.argv)
 
-    #w = QWidget()
-    w = QMainWindow()
-    w.setGeometry(0, 0, 600, 400) 
-    w.setWindowTitle('VisionScore')
-    scriptDir = os.path.dirname(os.path.realpath(__file__))
-    w.setWindowIcon(QIcon(scriptDir + os.path.sep + 'static/v_logo.jpg'))
-    
-    '''
-    label = QLabel()
-    pixmap = QPixmap(scriptDir + os.path.sep + 'static/visionscore_logo.jpg')
-    label.setPixmap(pixmap)
-    label.resize(pixmap.width(), pixmap.height())
-    label.setAlignment(QtCore.Qt.AlignTop)
-    w.setCentralWidget(label)
-    '''
-    # Toolbar
-    menuBar = w.menuBar()
-    homeMenu = QMenu("&Home", w)
-    menuBar.addMenu(homeMenu)
-    homeMenu.addAction("Load new file")
-
-    # Show raw uploaded files
-    def showLibrary():
-        libTable = LibraryTable()
-        w.setCentralWidget(libTable)
-
-    libraryAct = QAction('&Library', w)
-    libraryAct.triggered.connect(showLibrary)
-    menuBar.addAction(libraryAct)
-
-    # Exit app
-    exitAct = QAction('&Exit', w)
-    exitAct.setShortcut('Ctrl+Q')
-    exitAct.setStatusTip('Exit')
-    exitAct.triggered.connect(app.quit)
-    homeMenu.addAction(exitAct)
-    
-    helpMenu = menuBar.addMenu("&Help")  
-    
-    w.show()
+    w = MainWindow()
     sys.exit(app.exec_())
 
+
 if __name__ == '__main__':
     main()
\ No newline at end of file
diff --git a/win_venv/tests.py b/win_venv/tests.py
new file mode 100644
index 0000000..937b23c
--- /dev/null
+++ b/win_venv/tests.py
@@ -0,0 +1,40 @@
+import unittest
+from main import *
+from unittest.mock import Mock
+from pathlib import Path
+
+# test saving file
+class savingFileTest(unittest.TestCase):
+
+    def test_text_file(self):
+        print('Testing save_input method \n')
+        old_file_content = 'testing\n\n\nmore testing'
+        with open('test.txt', 'w') as file:
+            file.write(old_file_content)
+        
+        script_path = os.path.dirname(os.path.realpath(__file__))
+        test_file_path = script_path + '\\test.txt'
+        newpath = save_input(test_file_path)
+        
+        new_file_content = ''
+        with open(newpath, 'r') as new_file:
+            for line in new_file:
+                new_file_content += line
+        
+        self.assertEqual(old_file_content, new_file_content)
+            
+
+# test using mock checking if a file with analysis had been generated
+class generetingOutputFile(unittest.TestCase):
+    
+    def test_output_file(self):
+        
+        print('Moock testing outputfile')
+        m =  Mock()
+        m.output_file_path = scriptPath + '\\files\\output\\test.pdf'
+        
+        assert Path(m.output_file_path).is_file()
+            
+
+if __name__ == '__main__':
+    unittest.main()
\ No newline at end of file