Fix tests and get_hash usefulib from #1

Author: hamdivazim-archive

usefulib/_usefulibs.py

@@ -135,8 +135,13 @@ def external_verbose_output(data, path="data.log"):
     with open(path, "w") as f:
         f.write("# Logged by usefulibs.external_verbose_output()\n\n")
         f.write(data)
+
 def get_hash(string):
     """
-    @MKM12345 - This function takes a string as input, hashes it using the SHA-256 algorithm, and returns the hexadecimal representation of the hash value. Useful for developers that one to store strings without actually having to store them.
+    @MKM12345 + @hamdivazim - This function takes a string as input, hashes it using the SHA-256 algorithm, and returns the hexadecimal representation of the hash value. Useful for developers that one to store strings without actually having to store them.
     """
+
+    if not isinstance(string, str):
+        raise TypeError("get_hash() cannot get the hash of a non-string.")
+
     return hashlib.sha256(string.encode('utf-8')).hexdigest()

usefulib/tests.py

@@ -9,7 +9,6 @@
 """
 
 import unittest
-import _usefulibs
 from _usefulibs import *
 
 class TestUsefulibs(unittest.TestCase):
@@ -74,16 +73,11 @@ def test_external_verbose_output(self):
 
         with open(R"usefulib\temp_data\ext_verbose_test.log", "r") as f:
             self.assertEqual(f.read(), "# Logged by usefulibs.external_verbose_output()\n\nTest Data\n1 2 3\na b c")
-    def test_get_hash(self):
-        """ @MKM12345 """
-        password = "myPassword123"
-        password_hash = get_hash(password)
-        user_input = input("Please enter your password: ")
-        if get_hash(user_input) == password_hash:
-            print("Welcome!")
-        else:
-            print("Incorrect password")
 
+    def test_get_hash(self):
+        """ @MKM12345 + @hamdivazim """
+        self.assertEqual(get_hash("abc123"), get_hash("abc123"))
+        self.assertRaises(TypeError, get_hash, 1)
 
 if __name__ == "__main__":
     unittest.main()