From bceb3e15845da2666c57d1ec582683b3b4c1c0c7 Mon Sep 17 00:00:00 2001
From: upakarp <upakarpaudel96@gmail.com>
Date: Sat, 27 Aug 2022 15:54:35 -0700
Subject: [PATCH] Check valid email and password challenge

---
 .../test_valid_email_password.py              | 63 +++++++++++++++++++
 .../valid_email_password.py                   | 41 ++++++++++++
 2 files changed, 104 insertions(+)
 create mode 100644 challenges/valid_email_password/test_valid_email_password.py
 create mode 100644 challenges/valid_email_password/valid_email_password.py

diff --git a/challenges/valid_email_password/test_valid_email_password.py b/challenges/valid_email_password/test_valid_email_password.py
new file mode 100644
index 0000000..e1ab948
--- /dev/null
+++ b/challenges/valid_email_password/test_valid_email_password.py
@@ -0,0 +1,63 @@
+import unittest
+from valid_email_password import ValidEmailAndPassword
+
+class TestValidEmailAndPassword(unittest.TestCase):
+    @classmethod
+    def setUpClass(self):
+        self.valid = ValidEmailAndPassword('', '')
+
+    # Email validation test cases
+    def test_empty_email(self):
+        self.valid.set_email('')
+        self.assertFalse(self.valid.validEmail())
+     
+    def test_email_with_no_username(self):
+        self.valid.set_email('@company.com')
+        self.assertFalse(self.valid.validEmail())
+
+    def test_email_with_no_company_name(self):
+        self.valid.set_email('username@.com')
+        self.assertFalse(self.valid.validEmail())
+
+    def test_email_with_no_domainname(self):
+        self.valid.set_email('username@company')
+        self.assertFalse(self.valid.validEmail())
+ 
+    def test_email_with_special_characters(self):
+        self.valid.set_email('!user@company.com')
+        self.assertFalse(self.valid.validEmail())
+    
+    def test_email_with_domain_name_length_more_than_three(self):
+        self.valid.set_email('username@company.comcom')
+        self.assertFalse(self.valid.validEmail())
+
+    def test_valid_email(self):
+        self.valid.set_email('username@company.com')
+        self.assertTrue(self.valid.validEmail())
+
+    # Password validation test cases
+    def test_password_length_less_than_minimum(self):
+        self.valid.set_password('pass')
+        self.assertFalse(self.valid.validPassword())
+
+    def test_password_with_no_digit(self):
+        self.valid.set_password('password')
+        self.assertFalse(self.valid.validPassword())
+
+    def test_password_with_no_lowercase(self):
+        self.valid.set_password('P@55WORD')
+        self.assertFalse(self.valid.validPassword())
+
+    def test_password_with_no_uppercase(self):
+        self.valid.set_password('p@55word')
+        self.assertFalse(self.valid.validPassword())
+
+    def test_password_with_no_special_character(self):
+        self.valid.set_password('Pa55wrd')
+        self.assertFalse(self.valid.validPassword())
+
+    def test_valid_password(self):
+        self.valid.set_password('P@55word')
+        self.assertTrue(self.valid.validPassword())
+
+unittest.main()
diff --git a/challenges/valid_email_password/valid_email_password.py b/challenges/valid_email_password/valid_email_password.py
new file mode 100644
index 0000000..ed4bced
--- /dev/null
+++ b/challenges/valid_email_password/valid_email_password.py
@@ -0,0 +1,41 @@
+import re
+class ValidEmailAndPassword:
+    def __init__(self, email, password):
+        self.email = email
+        self.password = password
+
+    def set_email(self, email):
+        self.email = email
+        
+    def set_password(self, password):
+        self.password = password
+
+    def validEmail(self):
+        # Email Regex is extracted from: https://www.tutorialspoint.com/python-program-to-validate-email-address
+        emailRegex = "^[a-zA-Z0-9-_]+@[a-zA-Z0-9]+\.[a-z]{1,3}$"
+        if re.match(emailRegex, self.email):
+            return True
+        return False
+
+    def validPassword(self):
+        # Check minimum length
+        if len(self.password) <= 7:
+            return False
+        # Special characters list. More special characters can be added as needed
+        # Multiple ways to do this, can use regex, set/list.
+        specialChar = '!@#$%^&*()_-'
+
+        # Check password contains digit, uppercase, lowercase and special character
+        containsDigit = any(char.isdigit() for char in self.password)
+        containsUpperCase = any(char.isupper() for char in self.password)
+        containsLowerCase = any(char.islower() for char in self.password)
+        
+        containsSpecialCharacter = any(char in specialChar for char in self.password)
+        if containsDigit and containsUpperCase and containsLowerCase and containsSpecialCharacter:
+            return True
+        return False
+    
+if __name__ == "__main__":
+    validCheck = ValidEmailAndPassword("username@company.com", "P@55word")
+    print(validCheck.validEmail())
+    print(validCheck.validPassword())