testcfg: Add genRandomString, which automates away a few cases

... of actual value testing which i won't write manually then! :)

Also implements them on ListUsers

private/test/test_ListUsers.py

@@ -5,9 +5,6 @@ import os
 from lib.ListUsers import ListUsers
 sys.path.append('..')
 
-f = open(os.devnull, 'w')
-sys.stdout = f
-
 
 class TestListUsers(unittest.TestCase):
     def setUp(self) -> None:
@@ -23,7 +20,6 @@ class TestListUsers(unittest.TestCase):
                            "Newlines in OUTPUT doesn't exceed minimum of at least "
                            f"{testcfg.ListUsers_output_newlines} "
                            "lines!")
-        print(out)
 
     def test_pretty_print(self):
         # wont going to compare the stdout sorry very much
@@ -36,7 +32,7 @@ class TestListUsers(unittest.TestCase):
                            testcfg.ListUsers_fetch_size_min, "fetch is NOT greater than"
                                                              "the configured fetch minimum")
         try:
-            print(fetch[0])
+            fetch[0]
         except (KeyError, IOError) as suddenly_not_there:
             self.fail(f"Expected fetch to have at least one argument! {suddenly_not_there}")
 

private/test/test_Validator.py

@@ -15,6 +15,9 @@ class TestValidator(unittest.TestCase):
         for name in testcfg.Validator_Invalid_Users_Chars_List:
             self.assertFalse(self.validator.checkUsernameCharacters(name), name)
 
+        for name in testcfg.genRandomString():
+            self.assertFalse(self.validator.checkUsernameCharacters(name), name)
+
     def test_check_username_length(self):
         for name in testcfg.Validator_Valid_Users_Length:
             self.assertTrue(self.validator.checkUsernameLength(name))
@@ -25,16 +28,13 @@ class TestValidator(unittest.TestCase):
         for name in testcfg.Validator_Valid_Mail:
             self.assertTrue(self.validator.checkEmail(name))
         for name in testcfg.Validator_Invalid_Mail:
-            self.assertFalse(self.validator.checkEmail(name))
+            self.assertFalse(self.validator.checkEmail(name), name)
 
     def test_check_user_exists(self):
         self.assertTrue(self.validator.checkUserExists("root"))
         self.assertTrue(self.validator.checkUserExists("nobody")) # remove in case there exists an actual system without
-        self.assertFalse(self.validator.checkUserExists("blsjdkfl"))
-        self.assertFalse(self.validator.checkUserExists("b90123ijk"))
-        self.assertFalse(self.validator.checkUserExists("curArrSosss"))
-        self.assertFalse(self.validator.checkUserExists("123WildPack123"))
-        # are there any more users which are assertable?
+        for User in testcfg.genRandomString():
+            self.assertFalse(self.validator.checkUserExists(User))
 
     def test_check_user_in_db(self):
         for name in testcfg.Validator_db_user_exists:
@@ -51,6 +51,10 @@ class TestValidator(unittest.TestCase):
     def test_check_datetime_format(self):
         for cur in testcfg.Validator_valid_datetime:
             self.assertTrue(self.validator.checkDatetimeFormat(cur))
+        for cur in testcfg.Validator_invalid_checkname_names:
+            self.assertFalse(self.validator.checkDatetimeFormat(cur))
+        for cur in testcfg.genRandomString():
+            self.assertFalse(self.validator.checkDatetimeFormat(cur))
 
     def test_check_name(self):
         for checkname in testcfg.Validator_valid_checkname_names:

private/test/testcfg.py

@@ -1,3 +1,16 @@
+test_random_iterations: int = 50
+
+
+def genRandomString(iterations: int = test_random_iterations, size: int = 20, alphabet: str = ""):
+    import random, string
+    if alphabet == "":
+        letters = string.digits + string.printable + string.ascii_letters
+    else:
+        letters = alphabet
+    for i in range(iterations):
+        yield ''.join(random.choice(letters) for i in range(size))
+
+
 test_backup_csv: str = "test/testbackup.csv"
 test_db: str = "./test/applications.sqlite"
 test_import_csv: str = "test/testimport.csv"
@@ -39,7 +52,9 @@ NrRFi9wrf+M7Q== schacon@mylaptop.local"""]
 Validator_invalid_ssh: list = ["lol.", "ssh-rsa lol."]
 
 #Y-%m-%d %H:%M:%S
-Validator_valid_datetime: list = ["2020-10-07 14:15:30"]
+
+Validator_valid_datetime: list = ["2020-10-07 14:15:30", "2020-01-07 12:23:11"]
+Validator_ivvalid_datetime: list = ["20201007 14:15:30", "2020-01-07 122311"]
 
 Validator_valid_checkname_names: list = ["HalloWelt"]
 Validator_invalid_checkname_names: list = ["\\n", "\n\b"]