我使用 TestNG xml 文件来管理测试队列和环境参数。并想使用 WebdriverManager 库在系统中注册驱动程序。但是当线程数超过 1 时,驱动程序没有正确注册。请看下文。
例如,这里是测试配置和驱动程序实例化的示例:
测试1:
<suite name="project">
<test name = "Wiki search tests" verbose="1" parallel="true">
<parameter name="browserName" value="firefox" />
<classes>
<class name="project.tests.WikiSearchTest"/>
</classes>
</test>
</suite>
测试 2:
<suite name="project">
<test name = "Wiki authorization tests" verbose="1" parallel="true">
<parameter name="browserName" value="chrome" />
<classes>
<class name="project.tests.LoginTest"/>
</classes>
</test>
</suite>
如您所见,两者都有“browserName”参数,但其中的值不同。在测试基类中注册驱动程序的示例:
private static final CountDownLatch latch = new CountDownLatch(1);
@Parameters({"browserName"})
@BeforeTest
public void setUp(@Optional String browserName) throws InterruptedException{
switch (browserName) {
case "firefox" :
FirefoxDriverManager.getInstance().setup();
latch.countDown();
System.out.println(" in firefox");
break;
case "chrome" :
ChromeDriverManager.getInstance().setup();
latch.countDown();
System.out.println(" in chrome");
break;
}
latch.await();
Surefire 插件线程设置:
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-surefire-plugin</artifactId>
<version>${surefire.version}</version>
<configuration>
<properties>
<property>
<name>suitethreadpoolsize</name>
<value>2</value>
</property>
当测试以 value = 1 的 suitethreadpoolsize 属性运行时,一切正常:
Running TestSuite
[2017-04-10 11:32:45:490] [main] INFO BrowserManager - Reading https://chromedriver.storage.googleapis.com/ to seek [chromedriver]
[2017-04-10 11:32:46:172] [main] INFO BrowserManager - Latest version of [chromedriver] is 2.29
[2017-04-10 11:32:46:190] [main] INFO BrowserManager - Exporting webdriver.chrome.driver as C:\Users\bnesteruk\.m2\repository\webdriver\chromedriver\win32\2.29\chromedriver.exe
in chrome
Starting ChromeDriver 2.29.461591 (62ebf098771772160f391d75e589dc567915b233) on port 11014
[2017-04-10 11:32:49:314] [main] INFO BrowserManager - Reading https://api.github.com/repos/mozilla/geckodriver/releases to seek [wires, geckodriver]
[2017-04-10 11:32:49:590] [main] INFO BrowserManager - Latest version of [wires, geckodriver] is 0.15.0
[2017-04-10 11:32:49:649] [main] INFO BrowserManager - Exporting webdriver.gecko.driver as C:\Users\bnesteruk\.m2\repository\webdriver\geckodriver\win64\0.15.0\geckodriver.exe
in firefox
Tests run: 0, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 7.831 sec - in TestSuite
问题:
如果我在surefire插件中设置线程数超过1,
<property>
<name>suitethreadpoolsize</name>
<value>4</value>
</property>
两个 .setup() 方法并行运行,似乎 BrowserManager 中 webdriver 的静态实例被最后一个浏览器名称替换(在我的示例中为 geckodriver)
[2017-04-10 11:38:00:726] [pool-1-thread-1] INFO BrowserManager - Reading https://api.github.com/repos/mozilla/geckodriver/releases to seek [wires, geckodriver]
[2017-04-10 11:38:00:726] [pool-1-thread-2] INFO BrowserManager - Reading https://api.github.com/repos/mozilla/geckodriver/releases to seek [wires, geckodriver]
[2017-04-10 11:38:01:301] [pool-1-thread-2] INFO BrowserManager - Latest version of [wires, geckodriver] is 0.15.0
[2017-04-10 11:38:01:301] [pool-1-thread-1] INFO BrowserManager - Latest version of [wires, geckodriver] is 0.15.0
[2017-04-10 11:38:01:361] [pool-1-thread-2] INFO BrowserManager - Exporting webdriver.gecko.driver as C:\Users\bnesteruk\.m2\repository\webdriver\geckodriver\win64\0.15.0\geckodriver.exe
[2017-04-10 11:38:01:361] [pool-1-thread-1] INFO BrowserManager - Exporting webdriver.gecko.driver as C:\Users\bnesteruk\.m2\repository\webdriver\geckodriver\win64\0.15.0\geckodriver.exe
in chrome
in firefox
[WARNING] [11:38:01.496] The path to the driver executable must be set by the webdriver.chrome.driver system property; for more information, see https://github.com/SeleniumHQ/selenium/wiki/ChromeDriver. The latest version can be downloaded from http://chromedriver.storage.googleapis.com/index.html
我想,我以错误的方式使用 CountDownLatch?我该如何处理?