Brittle Test
^^^^^
**Definition:**

* UI tests containing procedural test code, duplicated steps and magic values


**Also Known As:**

* Fragile Test


**Code Example:**

.. code-block:: csharp

  class BrittleTest
  {
      [Test]
      public void Can_buy_an_Album_when_registered()
      {
          var driver = Host.Instance.Application.Browser;
          driver.Navigate().GoToUrl(driver.Url);
          driver.FindElement(By.LinkText("Admin")).Click();
          driver.FindElement(By.LinkText("Register")).Click();
          driver.FindElement(By.Id("UserName")).Clear();
          driver.FindElement(By.Id("UserName")).SendKeys("HJSimpson");
          driver.FindElement(By.Id("Password")).Clear();
          driver.FindElement(By.Id("Password")).SendKeys("!2345Qwert");
          driver.FindElement(By.Id("ConfirmPassword")).Clear();
          driver.FindElement(By.Id("ConfirmPassword")).SendKeys("!2345Qwert");
          driver.FindElement(By.CssSelector("input[type=\"submit\"]")).Click();
          driver.FindElement(By.LinkText("Disco")).Click();
          driver.FindElement(By.CssSelector("img[alt=\"Le Freak\"]")).Click();
          driver.FindElement(By.LinkText("Add to cart")).Click();
          driver.FindElement(By.LinkText("Checkout >>")).Click();
          driver.FindElement(By.Id("FirstName")).Clear();
          driver.FindElement(By.Id("FirstName")).SendKeys("Homer");
          driver.FindElement(By.Id("LastName")).Clear();
          driver.FindElement(By.Id("LastName")).SendKeys("Simpson");
          driver.FindElement(By.Id("Address")).Clear();
          driver.FindElement(By.Id("Address")).SendKeys("742 Evergreen Terrace");
          driver.FindElement(By.Id("City")).Clear();
          driver.FindElement(By.Id("City")).SendKeys("Springfield");
          driver.FindElement(By.Id("State")).Clear();
          driver.FindElement(By.Id("State")).SendKeys("Kentucky");
          driver.FindElement(By.Id("PostalCode")).Clear();
          driver.FindElement(By.Id("PostalCode")).SendKeys("123456");
          driver.FindElement(By.Id("Country")).Clear();
          driver.FindElement(By.Id("Country")).SendKeys("United States");
          driver.FindElement(By.Id("Phone")).Clear();
          driver.FindElement(By.Id("Phone")).SendKeys("2341231241");
          driver.FindElement(By.Id("Email")).Clear();
          driver.FindElement(By.Id("Email")).SendKeys("chunkylover53@aol.com");
          driver.FindElement(By.Id("PromoCode")).Clear();
          driver.FindElement(By.Id("PromoCode")).SendKeys("FREE");
          driver.FindElement(By.CssSelector("input[type=\"submit\"]")).Click();
          Assert.IsTrue(driver.PageSource.Contains("Checkout Complete"));
      }
  }

**References:**

.. admonition:: Quality attributes

    * :octicon:`file-code;1em` -  Code Example
    * :octicon:`comment-discussion;1em` -  Cause and Effect
    * :octicon:`graph;1em` -  Frequency
    * :octicon:`sync;1em` -  Refactoring

* `Maintainable automated ui tests <https://code.tutsplus.com/articles/maintainable-automated-ui-tests--net-35089>`_ :octicon:`file-code;1em` :octicon:`sync;1em`
* `Smells of Testing (signs your tests are bad) <https://jakescruggs.blogspot.com/2009/04/smells-of-testing-signs-your-tests-are.html>`_ :octicon:`sync;1em`