Let's Start The Test automation with SELENIUM -Part 3

Example of Scraping with Selenium WebDriver in C#



using System;

using Microsoft.VisualStudio.TestTools.UnitTesting;

using System.IO;

using System.Text;

using OpenQA.Selenium;

using OpenQA.Selenium.Firefox ;

using OpenQA.Selenium.Support.UI;

using System.Threading;

using System.Threading.Tasks;

namespace UnitTestProject3

{

//Start the Test Class

[TestClass]

public class UnitTest1

{

//Start the TestMethode

[TestMethod]

public void TestMethod1()

{

IWebDriver driver = new FirefoxDriver();

driver.Navigate().GoToUrl("http://testing-ground.scraping.pro/login");

driver.Manage().Window.Maximize();

IWebElement userNameField = driver.FindElement(By.Id("usr"));

userNameField.Clear();

userNameField.SendKeys("admin");

driver.FindElement(By.Id("pwd")).Clear();

driver.FindElement(By.Id("pwd")).SendKeys("12345");

var loginButton = driver.FindElement(By.XPath("//input[@value='Login']"));

loginButton.Click();

Thread.Sleep(2000);

var result = driver.FindElement(By.XPath("//div[@id='case_login']/h3")).Text;

File.WriteAllText("result.txt", result);

Console.WriteLine(result);

driver.Close();

}

}

}

Output  -

　

　

1. Following Name spaces are going to use for above login example .In order to use the WebDriver in our program we need to add its namespaces:


using System.IO;


using System.Text;


using OpenQA.Selenium;


using OpenQA.Selenium.Firefox ;


using OpenQA.Selenium.Support.UI;


using System.Threading;


using System.Threading.Tasks;

2.The design of program


namespace UnitTestProject3
[TestClass]


public class UnitTest1


TestMethod]


public void TestMethod1()


Under the namespace there is a Test class and Under that test class there are Test method.


3.Following piece of code searches for the Firefox.exe file. If this file is located in a directory different from the directory where our program is executed, then we need to specify explicitly its path in the FirefoxDriver constructor.


IWebDriver driver = new FirefoxDriver();


4. When an instance of FirefoxDriver is created, a new Firefox browser will be started. Now we can control this browser via the driver variable. Let’s navigate to the target URL first:


driver.Navigate().GoToUrl(http://testing-ground.scraping.pro/login);


5.Maxmies the Firefox browser window



driver.Manage().Window.Maximize();

6.Then we are going to find the web page elements needed for us to login in the private area of the website .Some are using several way to that I have explain some of them




IWebElement userNameField = driver.FindElement(By.Id("usr"));

userNameField.Clear();

userNameField.SendKeys("admin");


Using clear() I am going to clear the text filed which was found by ID locator .And other one is Sendkeys() using this one you can send any Username to given text box. I am not going to explain here what are the Locator we can use .Hope to explain next level. Enter Password also done as it is .



driver.FindElement(By.Id("pwd")).Clear();

driver.FindElement(By.Id("pwd")).SendKeys("12345");

Now we are going to use XPath to identify the Login button in web page. Then click on login button using Click() method as following .


var loginButton = driver.FindElement(By.XPath("//input[@value='Login']"));

loginButton.Click();



7.At this point the new page will be loaded into the browser, and after it’s done we can scrape the text we need and save it into the file:
var result = driver.FindElement(By.XPath("//div[@id='case_login']/h3")).Text;

File.WriteAllText("result.txt", result);

8.Then I am going to write the result in console to display
Console.WriteLine(result);

9.Now we have to close browser
driver.Close();



I will explain command which we have to use in selenium usually with C# Language. See the next Level of post