Added tests

src/validateRegisterForm.test.js

@@ -26,5 +26,117 @@ describe(`Function 'validateRegisterForm':`, () => {
     expect(invalidPassword.message).toBe('Password is invalid.');
   });
 
-  // write more tests here
+  it(`should return error for valid email
+    and password without special character`, () => {
+    const invalidPassword = validateRegisterForm('test@mail.com', 'Pssword12');
+
+    expect(invalidPassword.code).toBe(422);
+    expect(invalidPassword.message).toBe('Password is invalid.');
+  });
+
+  it(`should return error for valid email
+    and password without uppercase letter`, () => {
+    const invalidPassword = validateRegisterForm('test@mail.com', 'p@ssword1!');
+
+    expect(invalidPassword.code).toBe(422);
+    expect(invalidPassword.message).toBe('Password is invalid.');
+  });
+
+  it(`should return error for at least 8 characters inclusive`, () => {
+    const invalidPassword = validateRegisterForm('test@mail.com', 'P@wod1!');
+
+    expect(invalidPassword.code).toBe(422);
+    expect(invalidPassword.message).toBe('Password is invalid.');
+  });
+
+  it(`should return error for max 16 characters inclusive`, () => {
+    const invalidPassword = validateRegisterForm('test@mail.com',
+      'P@ssword1!p234578');
+
+    expect(invalidPassword.code).toBe(422);
+    expect(invalidPassword.message).toBe('Password is invalid.');
+  });
+
+  it(`should return error for not English letters`, () => {
+    const invalidPassword = validateRegisterForm('Тест@mail.com', 'P@ssword1!');
+
+    expect(invalidPassword.code).toBe(422);
+    expect(invalidPassword.message).toBe('Email is invalid.');
+  });
+
+  it(`should return error when @ is not added`, () => {
+    const invalidPassword = validateRegisterForm('testmail.com', 'P@ssword1!');
+
+    expect(invalidPassword.code).toBe(422);
+    expect(invalidPassword.message).toBe('Email is invalid.');
+  });
+
+  it(`should pass if we have digits`, () => {
+    const isValid = validateRegisterForm('test123@mail.com', 'P@ssword1!');
+
+    expect(isValid.code).toBe(200);
+    expect(isValid.message).toBe('Email and password are valid.');
+  });
+
+  it(`should pass if we have some characters`, () => {
+    const isValid = validateRegisterForm('test_nik-ch@mail.com', 'P@ssword1!');
+
+    expect(isValid.code).toBe(200);
+    expect(isValid.message).toBe('Email and password are valid.');
+  });
+
+  it(`should pass if password containing Cyrillic letters`, () => {
+    const invalidPassword = validateRegisterForm('test@mail.com',
+      'Passwпароль1@');
+
+    expect(invalidPassword.code).toBe(200);
+    expect(invalidPassword.message).toBe('Email and password are valid.');
+  });
+
+  it(`should return error when double dots added`, () => {
+    const invalidPassword = validateRegisterForm('test..myk@mail.com',
+      'P@ssword1!');
+
+    expect(invalidPassword.code).toBe(422);
+    expect(invalidPassword.message).toBe('Email is invalid.');
+  });
+
+  it(`should return error when email be start with .`, () => {
+    const invalidPassword = validateRegisterForm('.test@mail.com',
+      'P@ssword1!');
+
+    expect(invalidPassword.code).toBe(422);
+    expect(invalidPassword.message).toBe('Email is invalid.');
+  });
+
+  it(`should return error when email ends with .`, () => {
+    const invalidPassword = validateRegisterForm('test/@mail.com.',
+      'P@ssword1!');
+
+    expect(invalidPassword.code).toBe(422);
+    expect(invalidPassword.message).toBe('Email is invalid.');
+  });
+
+  it(`should return error when top Level domain can not start with dot`, () => {
+    const invalidPassword = validateRegisterForm('test@.mail.com',
+      'P@ssword1!');
+
+    expect(invalidPassword.code).toBe(422);
+    expect(invalidPassword.message).toBe('Email is invalid.');
+  });
+
+  it(`should return error when don't have domain Level`, () => {
+    const invalidPassword = validateRegisterForm('test@com',
+      'P@ssword1!');
+
+    expect(invalidPassword.code).toBe(422);
+    expect(invalidPassword.message).toBe('Email is invalid.');
+  });
+
+  it(`should return error for invalid email and password`, () => {
+    const invalidPassword = validateRegisterForm('test@com', 'ssword1');
+
+    expect(invalidPassword.code).toBe(500);
+    expect(invalidPassword.message).toBe('Password and email are invalid.');
+  });
 });