domingo, 10 de marzo de 2019

Selenium(1): Selenium: First Project

0. Introduction


In Edureka there are plenty of instructions for installing Selenium. This web has been my inspiration source.

The main requirements are:

  1. Java SDK (version 10 or newer version) from Oracle. Note that the link points to JDK 11 and I am using java 10!!! in this post
  2. Elipse IDE (Photon or newer version)
  3. Project Lombok (only if you want to avoid Setters and Getters verbosity)
  4. Selenium Java, or maybe better, this link for ChromeDriver 
  5. Adapted executable browsers.

1. Installing adapted browsers

Selenium need adapted browser versions that should be downloaded. You should install them and write down the route to these executables. On the Selenium download page are the links to these adapted browsers:





UPDATE 2020.12.16: You can download chrome driver from https://chromedriver.chromium.org/downloads

2. The maven pom.xml file

You should create a maven project as we did in the first post of this blog. Let's see the dependencies in the file:


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<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
  <modelVersion>4.0.0</modelVersion>
  <groupId>ximodante</groupId>
  <artifactId>HTMLFillForms</artifactId>
  <version>0.0.1-SNAPSHOT</version>
  <name>HTMLFillForms</name>
  <description>HTMLFillForms</description>
  
  
  <properties>
    <cxf.version>3.2.6</cxf.version>
    <jax.version>2.3.0</jax.version>
    <lombok.version>1.18.4</lombok.version>
    <jackson.version>2.9.6</jackson.version>
    <h2.version>1.4.196</h2.version>
    <hibernate.version>5.2.16.Final</hibernate.version>
    
        
    <failOnMissingWebXml>false</failOnMissingWebXml>
    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
    <!-- Java version-->
    <java.version>10</java.version>
  </properties>  
  
  <dependencies>
  
    <!-- https://mvnrepository.com/artifact/org.projectlombok/lombok -->
    <dependency>
      <groupId>org.projectlombok</groupId>
      <artifactId>lombok</artifactId>
      <version>${lombok.version}</version>
      <scope>provided</scope>
    </dependency>
    

     

    <!-- Simulate a browser to fill forms !!! -->
      <!-- Seleniun -->
    <!-- https://mvnrepository.com/artifact/org.seleniumhq.selenium/selenium-java -->
    <dependency>
      <groupId>org.seleniumhq.selenium</groupId>
      <artifactId>selenium-java</artifactId>
      <version>3.141.59</version>
    </dependency>
    
    <!-- https://mvnrepository.com/artifact/org.seleniumhq.selenium/selenium-server -->
    <dependency>
      <groupId>org.seleniumhq.selenium</groupId>
      <artifactId>selenium-server</artifactId>
      <version>3.141.59</version>
    </dependency>
    
    <!-- https://mvnrepository.com/artifact/org.seleniumhq.selenium/selenium-firefox-driver -->
    <dependency>
      <groupId>org.seleniumhq.selenium</groupId>
      <artifactId>selenium-firefox-driver</artifactId>
      <version>3.141.59</version>
    </dependency>
    
    <!-- https://mvnrepository.com/artifact/org.seleniumhq.selenium/selenium-chrome-driver -->
    <dependency>
      <groupId>org.seleniumhq.selenium</groupId>
      <artifactId>selenium-chrome-driver</artifactId>
      <version>3.141.59</version>
    </dependency>
    
    
    
  
    <!--  JPA  -->
    <!-- MS-SQL Server JDBC JTDS bo de 2013-->
    <!-- https://mvnrepository.com/artifact/net.sourceforge.jtds/jtds -->
    <dependency>
      <groupId>net.sourceforge.jtds</groupId>
      <artifactId>jtds</artifactId>
      <version>1.3.1</version>
    </dependency>
     
       
    
    <!-- JPA 2.1 Provider -->
    <!-- https://mvnrepository.com/artifact/org.hibernate/hibernate-core -->
    <dependency>
      <groupId>org.hibernate</groupId>
      <artifactId>hibernate-core</artifactId>
      <version>${hibernate.version}</version>
    </dependency>
    
    <!--  END JPA -->
  
    <!--BEGIN Java 9 references to JEE  not included in JDK9-->
    <!-- see http://openjdk.java.net/jeps/320-->
    
    <!-- https://mvnrepository.com/artifact/com.sun.xml.bind/jaxb-impl -->
    <dependency>
      <groupId>com.sun.xml.bind</groupId>
      <artifactId>jaxb-impl</artifactId>
      <version>${jax.version}</version>
    </dependency>
        
    <!-- https://mvnrepository.com/artifact/com.sun.xml.bind/jaxb-core -->
    <dependency>
      <groupId>com.sun.xml.bind</groupId>
      <artifactId>jaxb-core</artifactId>
      <version>${jax.version}</version>
    </dependency>
    
    
    <dependency>
      <groupId>com.sun.activation</groupId>
      <artifactId>javax.activation</artifactId>
      <version>1.2.0</version>
    </dependency>
    
    <dependency>
      <groupId>com.sun.xml.ws</groupId>
      <artifactId>jaxws-ri</artifactId>
      <version>${jax.version}</version>
      <type>pom</type>
    </dependency>
        
    <dependency>
      <groupId>com.sun.xml.bind</groupId>
      <artifactId>jaxb-ri</artifactId>
      <version>${jax.version}</version>
      <type>pom</type>
    </dependency>
    
    <!-- End of Dependencies required for JAVA 9!!!! -->
    
  </dependencies>
  
  <!-- COMPILER PLUGIN -->
  <!-- This is OK  http://crunchify.com/how-to-create-build-java-project-including-all-dependencies-using-maven-maven-resources-maven-dependency-maven-jar-plugin-tutorial/
  -->
  <build>
    <pluginManagement>
      <plugins>
        <plugin>
          <groupId>org.apache.maven.plugins</groupId>
          <artifactId>maven-compiler-plugin</artifactId>
          <version>3.8.0</version>
          <configuration>
            <!-- release>10</release -->
            <source>10</source>
            <target>10</target>
            <showWarnings>true</showWarnings>
            <showDeprecation>true</showDeprecation>
          </configuration>
          
        </plugin>
      </plugins>
    </pluginManagement>
 
    <plugins>
      <plugin>
        <artifactId>maven-resources-plugin</artifactId>
        <version>3.1.0</version>
        <executions>
          <execution>
            <id>copy-resources</id>
            <phase>validate</phase>
            <goals>
              <goal>copy-resources</goal>
            </goals>
            <configuration>
              <outputDirectory>${basedir}/target/MyFolder</outputDirectory>
              <resources>
                <resource>
                  <directory>resources</directory>
                  <filtering>true</filtering>
                </resource>
              </resources>
            </configuration>
          </execution>
        </executions>
      </plugin>
 
      <plugin>
        <groupId>org.apache.maven.plugins</groupId>
        <artifactId>maven-dependency-plugin</artifactId>
        <version>3.1.1</version>
        <executions>
          <execution>
            <id>copy-dependencies</id>
            <phase>prepare-package</phase>
            <goals>
              <goal>copy-dependencies</goal>
            </goals>
            <configuration>
              <outputDirectory>${project.build.directory}/MyFolder/lib</outputDirectory>
              <overWriteReleases>false</overWriteReleases>
              <overWriteSnapshots>false</overWriteSnapshots>
              <overWriteIfNewer>true</overWriteIfNewer>
            </configuration>
          </execution>
        </executions>
      </plugin>
   
      <plugin>
        <groupId>org.apache.maven.plugins</groupId>
        <artifactId>maven-jar-plugin</artifactId>
        <version>3.1.0</version>
        <configuration>
          <archive>
            <manifest>
              <addClasspath>true</addClasspath>
              <classpathPrefix>lib/</classpathPrefix>
              <mainClass>u.request.MyExecutableClass</mainClass>
            </manifest>
            <manifestEntries>
              <Class-Path>.</Class-Path>
            </manifestEntries>
          </archive>
 
          <finalName>MyFolder/MyJars</finalName>
        </configuration>
      </plugin>
    </plugins>
  
  </build>
  
</project>


Lines 40 to 66 indicates the selenium dependencies (server, java and optionally chrome and firefox).

Lines 27 to 33 show Lombok dependency

Lines 71 to 90 show JPA dependencies (For MS-SQL server and Hibernate)

Lines 92 to 130 add XML dependencies and other stuff not included in Java 9 and newer versions.

Lines 134 and next uses a compiler plugin for Java10

REMARKS: I have used Java 10. If you are using other Java version, you should arrange all the lines that make reference to Java version 10 !!!

3. A simple class

This class :

  1. Opens a Chrome browser 
  2. Fills user and password 
  3. Submits the form.
  4. Closes the browser


You must know the route you installed the adapted browser!! In my case it is in "/home/ximodante/Selenium/chromedriver"


String chromeDriverPath = "/home/ximodante/Selenium/chromedriver" ;

System.setProperty("webdriver.chrome.driver", chromeDriverPath);

Xpath (version 1.0 !! that is very limited compared with version 2) is used in Chrome to find the component to fill, and the sendKeys() method is used to fill the form. To press a button, the click() method is used.

Here is the code:


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package u.requests;

import org.openqa.selenium.By;
import org.openqa.selenium.WebDriver;
import org.openqa.selenium.chrome.ChromeDriver;
import org.openqa.selenium.chrome.ChromeOptions;


/**
 * @see https://www.edureka.co/blog/selenium-installation/
 * @author ximo dante
 *
 */
public class SeleniumTest {

 public static void main(String[] args) {
  
     //1. Get WebDriver
     String chromeDriverPath = "/home/eduard/Selenium/chromedriver" ;
     System.setProperty("webdriver.chrome.driver", chromeDriverPath);
     ChromeOptions options = new ChromeOptions();
     //options.addArguments("--headless", "--disable-gpu", "--window-size=1920,1200","--ignore-certificate-errors", "--silent");
     WebDriver driver = new ChromeDriver(options);


     driver.get("https://contrataciondelestado.es/wps/portal/organismosPublicos");
     driver.findElement(By.xpath("//input[contains (@id, 'input_userID')]")).sendKeys("myUser");
     driver.findElement(By.xpath("//input[contains (@id,'input_password')]")).sendKeys("myPassword");
     driver.findElement(By.xpath("//input[contains (@name, '_login')]")).click();
  
     System.out.println(driver.getPageSource());
  
     driver.close();
 }

}

Happy coding


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