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标题: selenium+java用testng，报错了，不知是哪里错了 [打印本页]

作者: 剑樱樱 时间: 2017-3-20 11:31
标题: selenium+java用testng，报错了，不知是哪里错了
贴上2份代码，第一份运行过了，第二份运行失败，正在学代码，不知是哪里错了，求解。

（1）代码一：
import java.util.regex.Pattern;
import java.util.concurrent.TimeUnit;
import org.testng.annotations.*;
import static org.testng.Assert.*;
import org.openqa.selenium.*;
import org.openqa.selenium.firefox.FirefoxDriver;
import org.openqa.selenium.support.ui.Select;
import static org.testng.Assert.fail;

public class baidu2 {
private WebDriver driver;
   private String baseUrl;
   private boolean acceptNextAlert = true;
   private StringBuffer verificationErrors = new StringBuffer();

   @Test
   public void testBaidu() throws Exception {
      System.setProperty("webdriver.gecko.driver", "C:\\Program Files (x86)\\Mozilla Firefox\\geckodriver.exe");
      WebDriver driver = new FirefoxDriver();
      driver.get("https://www.baidu.com");
      driver.manage().timeouts().implicitlyWait(30, TimeUnit.SECONDS);
      driver.findElement(By.id("kw")).click();
      driver.findElement(By.id("kw")).clear();
      driver.findElement(By.id("kw")).sendKeys("一天");
      driver.findElement(By.id("su")).click();

      driver.quit();
   }

}
（1）运行结果：
1489979034518 geckodriver INFO Listening on 127.0.0.1:34701
三月 20, 2017 11:03:54 上午 org.openqa.selenium.remote.ProtocolHandshake createSession
信息: Attempting bi-dialect session, assuming Postel's Law holds true on the remote end
1489979035097 mozprofile::profile INFO Using profile path C:\Users\admin\AppData\Local\Temp\rust_mozprofile.xUENrzi2iZn1
1489979035104 geckodriver::marionette INFO Starting browser C:\Program Files (x86)\Mozilla Firefox\firefox.exe
1489979035124 geckodriver::marionette INFO Connecting to Marionette on localhost:56903
1489979036125 Marionette INFO Listening on port 56903
三月 20, 2017 11:03:58 上午 org.openqa.selenium.remote.ProtocolHandshake createSession
信息: Detected dialect: W3C
1489979039470 Marionette WARN Using deprecated data structure for setting timeouts
1489979039669 Marionette INFO New connections will no longer be accepted
JavaScript error: https://sp0.baidu.com/5a1Fazu8AA ... amp;_=1489979038420, line 1: TypeError: jQuery1102008973990459105563_1489979038417 is not a function
[Child 14428] WARNING: pipe error: 232: file c:/builds/moz2_slave/m-rel-w32-00000000000000000000/build/src/ipc/chromium/src/chrome/common/ipc_channel_win.cc, line 512
[Child 14428] ###!!! ABORT: Aborting on channel error.: file c:/builds/moz2_slave/m-rel-w32-00000000000000000000/build/src/ipc/glue/MessageChannel.cpp, line 2143
[NPAPI 12364] ###!!! ABORT: Aborting on channel error.: file c:/builds/moz2_slave/m-rel-w32-00000000000000000000/build/src/ipc/glue/MessageChannel.cpp, line 2143
三月 20, 2017 11:04:01 上午 org.openqa.selenium.os.UnixProcess destroy
严重: Unable to kill process with PID 568
PASSED: testBaidu

===============================================
Default test
Tests run: 1, Failures: 0, Skips: 0
===============================================

===============================================
Default suite
Total tests run: 1, Failures: 0, Skips: 0
===============================================

（2）代码二：
import java.util.regex.Pattern;
import java.util.concurrent.TimeUnit;
import org.testng.annotations.*;
import static org.testng.Assert.*;
import org.openqa.selenium.*;
import org.openqa.selenium.firefox.FirefoxDriver;
import org.openqa.selenium.support.ui.Select;
import static org.testng.Assert.fail;

public class baidu {
  public  WebDriver driver;
  private boolean acceptNextAlert = true;
  private StringBuffer verificationErrors = new StringBuffer();

  @BeforeClass(alwaysRun = true)
  public  void setUp() throws Exception {
   System.setProperty("webdriver.gecko.driver", "C:\\Program Files (x86)\\Mozilla Firefox\\geckodriver.exe");
   WebDriver driver = new FirefoxDriver();
   driver.get("https://www.baidu.com");
   driver.manage().timeouts().implicitlyWait(30, TimeUnit.SECONDS);
  }

  @Test
  public void testBaidu() throws Exception {

driver.findElement(By.id("kw")).click();
driver.findElement(By.id("kw")).clear();
driver.findElement(By.id("kw")).sendKeys("一天");
driver.findElement(By.id("su")).click();
  }

  @AfterClass(alwaysRun = true)
  public void tearDown() throws Exception {
   driver.quit();
  }
}

（2）运行结果：
1489979421613 geckodriver INFO Listening on 127.0.0.1:34500
三月 20, 2017 11:10:22 上午 org.openqa.selenium.remote.ProtocolHandshake createSession
信息: Attempting bi-dialect session, assuming Postel's Law holds true on the remote end
1489979422178 mozprofile::profile INFO Using profile path C:\Users\admin\AppData\Local\Temp\rust_mozprofile.6tPTLNnXQZ93
1489979422185 geckodriver::marionette INFO Starting browser C:\Program Files (x86)\Mozilla Firefox\firefox.exe
1489979422219 geckodriver::marionette INFO Connecting to Marionette on localhost:57190
1489979423146 Marionette INFO Listening on port 57190
三月 20, 2017 11:10:25 上午 org.openqa.selenium.remote.ProtocolHandshake createSession
信息: Detected dialect: W3C
1489979426684 Marionette WARN Using deprecated data structure for setting timeouts
FAILED CONFIGURATION: @AfterClass tearDown
java.lang.NullPointerException
at com.test.webkyy.baidu.tearDown(baidu.java:39)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:108)
at org.testng.internal.Invoker.invokeConfigurationMethod(Invoker.java:523)
at org.testng.internal.Invoker.invokeConfigurations(Invoker.java:224)
at org.testng.internal.Invoker.invokeConfigurations(Invoker.java:146)
at org.testng.internal.TestMethodWorker.invokeAfterClassMethods(TestMethodWorker.java:212)
at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:112)
at org.testng.TestRunner.privateRun(TestRunner.java:744)
at org.testng.TestRunner.run(TestRunner.java:602)
at org.testng.SuiteRunner.runTest(SuiteRunner.java:380)
at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:375)
at org.testng.SuiteRunner.privateRun(SuiteRunner.java:340)
at org.testng.SuiteRunner.run(SuiteRunner.java:289)
at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:52)
at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:86)
at org.testng.TestNG.runSuitesSequentially(TestNG.java:1301)
at org.testng.TestNG.runSuitesLocally(TestNG.java:1226)
at org.testng.TestNG.runSuites(TestNG.java:1144)
at org.testng.TestNG.run(TestNG.java:1115)
at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:132)
at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:230)
at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:76)

FAILED: testBaidu
java.lang.NullPointerException
at com.test.webkyy.baidu.testBaidu(baidu.java:31)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:108)
at org.testng.internal.Invoker.invokeMethod(Invoker.java:661)
at org.testng.internal.Invoker.invokeTestMethod(Invoker.java:869)
at org.testng.internal.Invoker.invokeTestMethods(Invoker.java:1193)
at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:126)
at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:109)
at org.testng.TestRunner.privateRun(TestRunner.java:744)
at org.testng.TestRunner.run(TestRunner.java:602)
at org.testng.SuiteRunner.runTest(SuiteRunner.java:380)
at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:375)
at org.testng.SuiteRunner.privateRun(SuiteRunner.java:340)
at org.testng.SuiteRunner.run(SuiteRunner.java:289)
at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:52)
at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:86)
at org.testng.TestNG.runSuitesSequentially(TestNG.java:1301)
at org.testng.TestNG.runSuitesLocally(TestNG.java:1226)
at org.testng.TestNG.runSuites(TestNG.java:1144)
at org.testng.TestNG.run(TestNG.java:1115)
at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:132)
at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:230)
at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:76)

===============================================
Default test
Tests run: 1, Failures: 1, Skips: 0
Configuration Failures: 1, Skips: 0
===============================================

===============================================
Default suite
Total tests run: 1, Failures: 1, Skips: 0
Configuration Failures: 1, Skips: 0
===============================================

作者: 清晨一缕阳光 时间: 2017-3-20 12:46
第二个代码中的tearDown方法中使用的driver变量没有初始化。在setUP（）中初始化的driver变量是个局部变量只能在setUp方法中使用，在tearDown方法中不能使用。
你的代码存在两处问题：
1.已经在类中声明了driver变量，但是没有初始化(没有使用)。
2.在tearDown中又一次声明了driver变量，此为局部变量，不能作为全局使用。

作者: 剑樱樱 时间: 2017-3-20 13:19

清晨一缕阳光发表于 2017-3-20 12:46
第二个代码中的tearDown方法中使用的driver变量没有初始化。在setUP（）中初始化的driver变量是个局部变量 ...

谢谢

作者: jingzizx 时间: 2017-5-7 07:52
学习

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