java - Firefox Profile 无法自动下载文件

Question

在 Selenium 测试中使用 Firefox 配置文件设置下载 pdf 文件时，我尝试绕过 Firefox 下载管理器窗口:

        FirefoxProfile profile = new FirefoxProfile();
        profile.setPreference("browser.download.folderList", 2);
        profile.setPreference("browser.download.dir", "path/to/downloads");
        profile.setPreference("browser.download.useDownloadDir", true);
        profile.setPreference("browser.helperApps.neverAsk.openFile", "application/x-pdf, application/pdf, application/octet-stream, text/csv,application/x-msexcel,application/excel,application/x-excel,application/vnd.ms-excel,image/png,image/jpeg,text/html,text/plain,application/msword,application/xml");
        profile.setPreference("browser.helperApps.neverAsk.saveToDisk", "application/x-pdf, application/pdf, application/octet-stream, text/csv,application/x-msexcel,application/excel,application/x-excel,application/vnd.ms-excel,image/png,image/jpeg,text/html,text/plain,application/msword,application/xml");
        profile.setPreference("browser.helperApps.alwaysAsk.force", false);
        profile.setPreference("browser.download.manager.alertOnEXEOpen", false);
        profile.setPreference("browser.download.manager.focusWhenStarting", false);
        profile.setPreference("browser.download.manager.useWindow", false);
        profile.setPreference("browser.download.manager.showAlertOnComplete", false);
        profile.setPreference("browser.download.manager.closeWhenDone", false);
        FirefoxOptions options = new FirefoxOptions();
        options.setProfile(profile);
        WebDriver driver = new FirefoxDriver(options);
        driver.get("https://mozilla.github.io/pdf.js/web/viewer.html");
        Thread.sleep(3000);
        driver.findElement(By.id("download")).click();
        Thread.sleep(5000);

我尝试了不同的个人资料偏好设置，但似乎没有任何效果。

还需要注意的是，我看到该文件作为一些带有奇怪扩展名的随机字符串出现在下载文件夹中，如下所示:5daYs8iE.pdf.part。如果我退出测试而没有单击下载窗口上的“确定”按钮，则文件会消失，但如果单击它，则文件会保存并将其扩展名更改为 PDF

在org.seleniumhq.selenium:selenium-firefox-driver:3.141.59

Answer 1

您可以手动创建 Firefox 配置文件，而不是设置所有首选项，手动设置您需要的所有内容(PDF 自动下载等)并加载现有配置文件，如下所示:

package tyler;

import org.openqa.selenium.WebDriver;
import org.openqa.selenium.By;
import org.openqa.selenium.firefox.FirefoxDriver;
import org.openqa.selenium.firefox.FirefoxOptions;
import org.openqa.selenium.firefox.FirefoxProfile;
import org.openqa.selenium.firefox.ProfilesIni;

public class Tyler {

    public static void main(String[] args) throws InterruptedException {
        FirefoxOptions options = new FirefoxOptions();
        ProfilesIni allProfiles = new ProfilesIni();         
        FirefoxProfile selenium_profile = allProfiles.getProfile("selenium_profile");
        options.setProfile(selenium_profile);
        options.setBinary("C:\\Program Files (x86)\\Mozilla Firefox\\firefox.exe");
        System.setProperty("webdriver.gecko.driver", "C:\\Users\\pavel.burgr\\Desktop\\webdrivers\\geckodriver.exe");
        WebDriver driver = new FirefoxDriver(options);
        driver.manage().window().maximize();
        driver.get("https://mozilla.github.io/pdf.js/web/viewer.html");
        Thread.sleep(10000);
        driver.findElement(By.id("download")).click();
        Thread.sleep(10000);
    }

}