import java.util.concurrent.TimeUnit;
import java.util.*;
 
import org.junit.AfterClass;
import org.junit.Assert;
import org.junit.BeforeClass;
import org.junit.Test;
import org.openqa.selenium.*;
import org.openqa.selenium.support.ui.*;
import org.openqa.selenium.chrome.ChromeDriver;
 
public class SeleniumTest {

     private static ChromeDriver driver;

     String username = "testuser3@inbox.ru";
     String password = "Ooy1eimu";

     void login(String user, String pass) {
         List<String> addr_parts = Arrays.asList(user.split("@"));
         String user_prefix = addr_parts.get(0);
         String user_suffix = addr_parts.get(1);

         driver.get("https://mail.ru"); 
         driver.findElement(By.id("mailbox__login")).clear();
         driver.findElement(By.id("mailbox__login")).sendKeys(user_prefix);
         Select mbtype = new Select(driver.findElement(By.id("mailbox__login__domain")));
         mbtype.selectByVisibleText("@" + user_suffix);
         driver.findElement(By.id("mailbox__password")).sendKeys(pass);
         driver.findElement(By.id("mailbox__auth__button")).click();
     }

     void logout() {
         driver.findElement(By.id("PH_logoutLink")).click();
     }
 
     @BeforeClass
     public static void openBrowser(){
         driver = new ChromeDriver();
         driver.manage().timeouts().implicitlyWait(10, TimeUnit.SECONDS);
        } 

     @Test
     public void valid_UserCredential(){
 
         login(username, password);

         logout();

         WebElement element = null;

         try{
             element = driver.findElement(By.id("mailbox__auth__button"));
         }catch (Exception e){ }

         Assert.assertNotNull(element);

     }

     @Test
     public void inValid_UserCredential(){
 
         login(username, password + "_false");

         WebElement element = null;

         try{
             element = driver.findElement(By.className("login-page__external_error"));
         }catch (Exception e){ }

         Assert.assertNotNull(element);

     }

     @Test
     public void search_Google(){

         driver.get("https://mail.ru"); 
         driver.findElement(By.id("q")).sendKeys("google");
         driver.findElement(By.id("search__button__wrapper__field")).click();

         WebElement element = null;

         try {
             element = driver.findElement(By.linkText("Google"));
         } catch (Exception e){ }

         Assert.assertNotNull(element);

     }

     @Test
     public void mailDelivers() throws InterruptedException {

         login(username, password);

         driver.findElement(By.xpath("//span[contains(text(), 'Compose')]")).click();

         driver.findElement(By.xpath("//textarea[contains(@data-original-name, 'To')]")).sendKeys(username);
         driver.findElement(By.xpath("//input[contains(@name, 'Subject')]")).sendKeys("So long");

         driver.switchTo().frame(driver.findElement(By.xpath("//iframe[contains(@id, 'composeEditor_ifr')]")));
         driver.findElement(By.id("tinymce")).sendKeys("And thanks for all the fish");
         driver.switchTo().defaultContent();

         driver.findElement(By.xpath("//span[contains(text(), 'Send')]")).click();

         Thread.sleep(10000);

         driver.get("https://e.mail.ru/messages/inbox");

         driver.findElement(By.xpath("//a[contains(@data-subject, 'So long')]")).click();

         logout();

     }
 
     @AfterClass
     public static void closeBrowser(){
         driver.quit();
     }
}