Selenium locators using Xpath,css, id, classname, name, tagname, linktext

 selenium supports locators:

Xpath,css, id, classname, name, tagname,  linktext

id --- id field of the individual html tags/elements

driver.FindElement(By.Id("username")).SendKeys("rahulshettyacademy");

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

//by tagname 

driver.FindElement(By.CssSelector("input[value='Sign In']")).Click();

//by xpath

//  //tagName[@attribure = 'value']

driver.FindElement(By.XPath("//input[@value='Sign In']")).Click();

to see the error messages.

lets start with timeout

Thread.Sleep(3000); //to wait for error message to appear

String errorMessage = driver.FindElement(By.ClassName("alert-danger")).Text;

TestContext.Progress.WriteLine(errorMessage);

//linktext only works for anchor tag.

IWebElement link = driver.FindElement(By.LinkText("Free Access to Interview Qs"));

String hrefAttr = link.GetAttribute("href");

String expectedUrl = "https://google.com"

Assert.AreEqual(expectedUrl, hrefAttr);

//xpath can be used to traverse child elements

extension chrome: SelectorsHub

driver.FindElement(By.XPath("//div[@class='form-group'][5]/label/span/input")).Click();

//by css selector by id and by class name

based on id, #signInBtn

in xpath selectorshub, test: .text-info span input

inside text-nfo class, span element inside input element.

.text-info span:nth-child(1) input