added tests for the path function

refit/test_librefit.py

@@ -1,4 +1,5 @@
 from src.modules.librefit import (
+    get_current_path,
     get_standard_folder_name,
     get_standard_name_number,
     get_standard_file_name,
@@ -42,3 +43,18 @@ def test_folder_name_list():
     folder_names = ["folder1", "folder2", "folder3"]
     return_folder_name = get_standard_folder_name(folder_names)
     assert "folder1" in return_folder_name
+
+
+def test_get_current_directory():
+    """Tests if the directory is set to the current directory, if None
+    is passed with the argument"""
+    path = None
+    directory = get_current_path(path)
+    assert "." in directory
+
+
+def test_for_existing_path():
+    """Tests if the function returns the correct path."""
+    path = "/home/cerberus/Documents/books/"
+    directory = get_current_path(path)
+    assert "/home/cerberus/Documents/books/" in directory