使用 Selenium WebDriver 的 Spring Boot Web 应用程序

Question

I am trying to get my head around spring boot and I am having some issues trying to integrate selenium into my spring boot application. I am trying to achieve a simple web page, which has a input box and button. The input box will contain a URL and the button will then launch a selenium browser navigating to that URL entered.

I currently have a simple spring boot application consisting of the following:

index.html

Contains an input form (user types URL here) which is passed to myController.

myController.java

@Controller
public class myController {

    @Autowired
    private WebDriver driver;

    ....
}   

pom.xml

Contains selenium..

    <dependency>
        <groupId>org.seleniumhq.selenium</groupId>
        <artifactId>selenium-java</artifactId>
        <version>3.4.0</version>
    </dependency>   

My error when I run my project:

 APPLICATION FAILED TO START


 Description:

 Field driver in com.project.myController required a bean of type 'org.openqa.selenium.WebDriver' that could not be found.


 Action:

 Consider defining a bean of type 'org.openqa.selenium.WebDriver' in your configuration.

I am trying to create an instance of Selenium WebDriver so that I can use it whenever I need to. I will only ever need it in this controller, so I declared it here. What am I missing? Any help will be appreciated. Thank you in advance.

Answer 1

You need to have an instance of WebDriver, eg:

@Bean
public WebDriver webDriver() {
    return new FirefoxDriver();
    //OR return new ChromeDriver();
}

in one of your configuration classes. That would be anything annotated with @Configuration or an annotation which includes this; in the most basic Spring Boot application (as used in Spring Boot examples), this would probably be something like this:

@SpringBootApplication
public class Application {

    public static void main(String[] args) {
        SpringApplication.run(Application.class, args);
    }

    // Your beans go here

}

because @SpringBootApplication is annotated with @SpringBootConfiguration which is annotated with @Configuration .

Answer 2

package br.com.api.controller;

import java.io.File;
import java.io.FileOutputStream;
import java.io.InputStream;

import org.apache.tomcat.util.http.fileupload.IOUtils;
import org.openqa.selenium.By;
import org.openqa.selenium.WebDriver;
import org.openqa.selenium.WebElement;
import org.openqa.selenium.firefox.FirefoxDriver;
import org.openqa.selenium.firefox.FirefoxDriverLogLevel;
import org.openqa.selenium.firefox.FirefoxOptions;
import org.springframework.core.io.ClassPathResource;
import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

@RestController
@RequestMapping(value = "api/cenario/teste")
public class TesteCenarioController {

private WebDriver driver;

@GetMapping
public ResponseEntity<String> teste() {

    setUpGeckoDriver();

    FirefoxOptions options = new FirefoxOptions();
    options.setLogLevel(FirefoxDriverLogLevel.TRACE);
    options.setCapability("marionete", true);
    this.driver = new FirefoxDriver(options);

    System.err.println("DRIVER OK");
    this.driver.get("https://www.phptravels.net/blog");

    WebElement findElement = this.driver.findElement(By.xpath("//*[@id=\"body-section\"]/div/div/div[1]/div/div[1]"));
    String testResult = "LATEST POSTS".equals( findElement.getText() ) ? "PASS" : "FAIL";

    this.driver.quit();
    return new ResponseEntity<String>(testResult, HttpStatus.OK);
}

private void setUpGeckoDriver() {
    ClassPathResource classPathResource = new ClassPathResource("selenium/geckodriver.exe");
    InputStream inputStream = null;
    try {
        inputStream = classPathResource.getInputStream();
        File geckodriverFile = File.createTempFile("geckodriver", ".exe"); ;
        FileOutputStream out = new FileOutputStream( geckodriverFile );
        IOUtils.copy(inputStream, out);
        System.err.println( geckodriverFile.getCanonicalPath());
        System.setProperty("webdriver.gecko.driver", geckodriverFile.getCanonicalPath() );
    } catch (Exception e) {
        e.printStackTrace();
    } finally {
        IOUtils.closeQuietly(inputStream);
    }
}

}

On my resources directory I have selenium/geckodriver.exe .

My pom is the following:

<?xml version="1.0" encoding="UTF-8"?>
<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>testes-regressao</groupId>
    <artifactId>testes-regressao</artifactId>
    <version>0.0.1-SNAPSHOT</version>
    <packaging>jar</packaging>

    <name>testes-regressao</name>
    <description>api spring boot</description>

    <parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>2.0.1.RELEASE</version>
        <relativePath /> <!-- lookup parent from repository -->
    </parent>

    <properties>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
        <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
        <java.version>1.8</java.version>
    </properties>

    <dependencies>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-jersey</artifactId>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
        </dependency>

        <dependency>
            <groupId>org.seleniumhq.selenium</groupId>
            <artifactId>selenium-java</artifactId>
        </dependency>

        <dependency>
            <groupId>org.seleniumhq.selenium</groupId>
            <artifactId>selenium-firefox-driver</artifactId>
        </dependency>

        <dependency>
            <groupId>org.seleniumhq.selenium</groupId>
            <artifactId>selenium-api</artifactId>
        </dependency>

        <dependency>
            <groupId>org.seleniumhq.selenium</groupId>
            <artifactId>selenium-support</artifactId>
        </dependency>

        <dependency>
            <groupId>org.seleniumhq.selenium</groupId>
            <artifactId>selenium-remote-driver</artifactId>
        </dependency>

        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-test</artifactId>
            <scope>test</scope>
        </dependency>
    </dependencies>

    <build>
        <plugins>
            <plugin>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
                <configuration>
                </configuration>
            </plugin>
        </plugins>
    </build>


</project>

I can start spring boot from eclipse than make a GET call to the url localhost:8080/api/cenario/teste. So Selenium open the browser and execute the test cenarios on demand, than I show the results on a web page.

But when I generate a jar file with the project, selenium fail to start the browser.