QA: Sprawdzenie poprawności hasła

src/checkPassword.test.js

@@ -1,19 +1,60 @@
 'use strict';
 
-describe(`Function 'checkPassword':`, () => {
-  const checkPassword = require('./checkPassword');
+const checkPassword = require('./checkPassword');
 
+describe(`Function 'checkPassword':`, () => {
   it(`should be declared`, () => {
     expect(checkPassword).toBeInstanceOf(Function);
   });
 
-  it(`should return boolean`, () => {
+  it(`should return a boolean`, () => {
+    const result = checkPassword('Password1!');
+    expect(typeof result).toBe('boolean');
+  });
+
+  it(`should return true for valid password with 8 characters`, () => {
+    const result = checkPassword('Abcdef1!');
+    expect(result).toBe(true);
+  });
+
+  it(`should return true for valid password with 16 characters`, () => {
+    const result = checkPassword('Abcdefgh1234!XYZ');
+    expect(result).toBe(true);
+  });
+
+  it(`should return false for password shorter than 8 characters`, () => {
+    const result = checkPassword('Ab1!');
+    expect(result).toBe(false);
+  });
+
+  it(`should return false for password longer than 16 characters`, () => {
+    const result = checkPassword('Abcdefghijklmnop1!');
+    expect(result).toBe(false);
+  });
+
+  it(`should return false for password without uppercase letter`, () => {
+    const result = checkPassword('abcdef1!');
+    expect(result).toBe(false);
+  });
 
+  it(`should return false for password without digit`, () => {
+    const result = checkPassword('Abcdefgh!');
+    expect(result).toBe(false);
   });
 
-  it(`should return 'true' for the valid password with 8 characters`, () => {
+  it(`should return false for password without special character`, () => {
+    const result = checkPassword('Abcdefg1');
+    expect(result).toBe(false);
+  });
 
+  it(`should return false for password with non-Latin characters`, () => {
+    const result = checkPassword('Пароль1!');
+    expect(result).toBe(false);
   });
 
-  // write more tests here
+  it(`should return true for password with mix of allowed symbols`, () => {
+    const result = checkPassword('XyZ123@#');
+    expect(result).toBe(true);
+  });
 });
+