Implementing password validation with regex rules

Author: shreefAhmedM

Sprint-3/3-stretch/password-validator.js

@@ -1,6 +1,28 @@
+const oldPassword = ["Asasu.12345", "Ha#999"];
 function passwordValidator(password) {
-    return password.length < 5 ? false : true
-}
-
+  if (password.length < 5) {
+    return false;
+  }
+  const hasUppercase = /[A-Z]/.test(password);
+  if (!hasUppercase) {
+    return false;
+  }
+  const hasLowercase = /[a-z]/.test(password);
+  if (!hasLowercase) {
+    return false;
+  }
+  const hasaNum = /[0-9]/.test(password);
+  if (!hasaNum) {
+    return false;
+  }
+  const hasSpecial = /[!#$%.*&]/.test(password);
+  if (!hasSpecial) {
+    return false;
+  }
 
-module.exports = passwordValidator;
+  if (oldPassword.includes(password)) {
+    return false;
+  }
+  return true;
+}
+module.exports = passwordValidator;

Sprint-3/3-stretch/password-validator.test.js

@@ -16,11 +16,26 @@ You must breakdown this problem in order to solve it. Find one test case first a
 */
 const isValidPassword = require("./password-validator");
 test("password has at least 5 characters", () => {
-    // Arrange
-    const password = "12345";
-    // Act
-    const result = isValidPassword(password);
-    // Assert
-    expect(result).toEqual(true);
-}
-);
+  // Arrange
+  const password = "As.2";
+  // Act
+  const result = isValidPassword(password);
+  // Assert
+  expect(result).toEqual(false);
+});
+test("Given valid password should return true", () => {
+  // Arrange
+  const password = "Wdsd.77";
+  // Act
+  const result = isValidPassword(password);
+  // Assert
+  expect(result).toBe(true);
+});
+test("password Must not be any previous password in the passwords array", () => {
+  // Arrange
+  const password = "Ha#999";
+  // Act
+  const result = isValidPassword(password);
+  // Assert
+  expect(result).toBe(false);
+});