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Null pointer exception only with groups
by kebmo-2
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Just getting started with TestNG, and also with Selenium. When I enable a groups block in my suite file, my test dies in my code on the first line of the (only) test. When I disable the groups block, the test is run and completes successfully. I'm using TestNG 5.10 (also tried 5.8 and whatever comes bundled with IntelliJ IDEA 8.1.3) with latest Java 5. I first noticed the problem in the IDEA environment, but I've since reproduced it outside of IDEA. Thanks for letting me know what I'm doing wrong. -Murph I provide the test suite file, the stack output, and the test source code below. TEST SUITE FILE <!DOCTYPE suite SYSTEM "http://testng.org/testng-1.0.dtd"> <suite name="Custom suite" parallel="none" verbose="10"> <parameter name="selenium.url" value="http://localhost:8080/"> </parameter> <parameter name="selenium.browser" value="*safari"> </parameter> <parameter name="verbose" value="10"> </parameter> <test verbose="10" name="cnv" annotations="JDK"> <!-- comment out the <groups> block, and this suite/test works --> <groups> <run> <include name="selenium"/> </run> </groups> <classes> <class name="test.TestCase1"/> </classes> </test> </suite> STACK OUTPUT java.lang.NullPointerException at test.TestCase1.testTestCase1(TestCase1.java:12) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke (NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke (DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at org.testng.internal.MethodHelper.invokeMethod (MethodHelper.java:607) at org.testng.internal.Invoker.invokeMethod(Invoker.java:517) at org.testng.internal.Invoker.invokeTestMethod(Invoker.java: 669) at org.testng.internal.Invoker.invokeTestMethods(Invoker.java: 956) at org.testng.internal.TestMethodWorker.invokeTestMethods (TestMethodWorker.java:126) at org.testng.internal.TestMethodWorker.run (TestMethodWorker.java:110) at org.testng.TestRunner.runWorkers(TestRunner.java:759) at org.testng.TestRunner.privateRun(TestRunner.java:592) at org.testng.TestRunner.run(TestRunner.java:486) at org.testng.SuiteRunner.runTest(SuiteRunner.java:332) at org.testng.SuiteRunner.runSequentially(SuiteRunner.java: 327) at org.testng.SuiteRunner.privateRun(SuiteRunner.java:299) at org.testng.SuiteRunner.run(SuiteRunner.java:204) at org.testng.TestNG.createAndRunSuiteRunners(TestNG.java:867) at org.testng.TestNG.runSuitesLocally(TestNG.java:832) at org.testng.TestNG.run(TestNG.java:748) at org.testng.TestNG.privateMain(TestNG.java:904) at org.testng.TestNG.main(TestNG.java:877) TEST SOURCE CODE package test; import com.thoughtworks.selenium.*; import org.testng.annotations.*; import static org.testng.Assert.*; import java.util.regex.Pattern; public class TestCase1 extends SeleneseTestNgHelper { @Test(groups = { "selenium" }) public void testTestCase1() throws Exception { selenium.open("/Search"); selenium.waitForPageToLoad("30000"); selenium.type("ui=searchPage::position()", "chr1:742429-758311"); selenium.click("ui=searchPage::submitButton()"); selenium.waitForPageToLoad("30000"); //selenium.captureEntirePageScreenshot("/tmp/snap.png", ""); // See if the Sample column is present String maybeSample = selenium.getText("xpath=//table [@id='resultlist']/thead/tr[2]/th[3]/span"); assertTrue(selenium.isTextPresent("regexp:1 to [1-9][0-9]* of [1-9][0-9]* non-unique CNVs (from [0-9]+ samples* )*from the Normals_CHOP source located at chr1:742429-758311")); if (maybeSample.equals("Sample")) { //id('resultlist')/thead/tr[2]/th[11]/span assertTrue(Pattern.compile("[1-9][0-9]*").matcher (selenium.getTable("resultlist.2.11")).find()); } else { assertTrue(Pattern.compile("[1-9][0-9]*").matcher (selenium.getTable("resultlist.2.10")).find()); } selenium.click("ui=allPages::searchTab()"); selenium.waitForPageToLoad("30000"); selenium.type("ui=searchPage::position()", "chr1:5547116-5548075"); selenium.click("ui=searchPage::submitButton()"); selenium.waitForPageToLoad("30000"); maybeSample = selenium.getText("xpath=//table [@id='resultlist']/thead/tr[2]/th[3]/span"); if (maybeSample.equals("Sample")) { assertEquals(selenium.getTable("resultlist.2.11"), "<D0>"); } else { assertEquals(selenium.getTable("resultlist.2.10"), "<D0>"); } } } VERBOSE TEST CONSOLE OUTPUT *** CONSOLE LOG *** [Parser] Running: /Users/schnebtron/Library/Caches/IntelliJIDEA8x/temp-testng- customsuite.xml [TestRunner] Running the tests in 'cnv' with parallel mode:none [RunInfo] Adding method selector: org.testng.internal.XmlMethodSelector@bc92535 priority: 10 [TestClass] Creating TestClass for [ClassImpl test.TestCase1] [TestClass] Adding method test.TestCase1.testTestCase1() on TestClass class test.TestCase1 [XmlMethodSelector] Including group : selenium [XmlMethodSelector] Excluding method com.thoughtworks.selenium.attachScreenshotListener() [XmlMethodSelector] Excluding method com.thoughtworks.selenium.setUp() [XmlMethodSelector] Excluding method com.thoughtworks.selenium.getSelenium() [XmlMethodSelector] Excluding method com.thoughtworks.selenium.setTestContext() [XmlMethodSelector] Excluding method com.thoughtworks.selenium.checkForVerificationErrors() [XmlMethodSelector] Including method test.testTestCase1() [SuiteRunner] Created 1 TestRunners [TestRunner] Running test cnv on 1 classes, included groups: [selenium ] excluded groups:[] [TestClass] ====== TESTCLASS: test.TestCase1 [TestClass] Test : test.TestCase1.testTestCase1() [TestClass] AfterMethod : com.thoughtworks.selenium.SeleneseTestNgHelper.selectDefaultWindow() [TestClass] ====== [TestRunner] Found 1 applicable methods [TestRunner] WILL BE RUN IN RANDOM ORDER: [TestRunner] test.TestCase1.testTestCase1() [TestRunner] on instances [TestRunner] test.TestCase1@5557c2bd [TestRunner] === [Invoker 1875244867] Keeping method com.thoughtworks.selenium.SeleneseTestNgHelper.selectDefaultWindow() for class [TestClass class test.TestCase1] [Invoker 1875244867] Invoking test.TestCase1.testTestCase1 [Invoker 1875244867] Keeping method com.thoughtworks.selenium.SeleneseTestNgHelper.selectDefaultWindow() for class [TestClass class test.TestCase1] [Invoker 1875244867] Invoking @AfterMethod com.thoughtworks.selenium.SeleneseTestNgHelper.selectDefaultWindow() [Invoker 1875244867] Invoking @AfterTest com.thoughtworks.selenium.SeleneseTestNgHelper.tearDown() *********** INVOKED METHODS test.TestCase1.testTestCase1() 1431814845 *********** Creating /Users/schnebtron/tmp/test-output/Custom suite/cnv.html Creating /Users/schnebtron/tmp/test-output/Custom suite/cnv.xml FAILED: testTestCase1 java.lang.NullPointerException at test.TestCase1.testTestCase1(TestCase1.java:12) ... Removed 22 stack frames =============================================== cnv Tests run: 1, Failures: 1, Skips: 0 =============================================== =============================================== Custom suite Total tests run: 1, Failures: 1, Skips: 0 =============================================== --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "testng-users" group. To post to this group, send email to testng-users@... To unsubscribe from this group, send email to testng-users+unsubscribe@... For more options, visit this group at http://groups.google.com/group/testng-users?hl=en -~----------~----~----~----~------~----~------~--~--- |
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Re: Null pointer exception only with groups
by Cédric Beust ♔
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The exception seems to be happening in your code:
java.lang.NullPointerException at test.TestCase1.testTestCase1(TestCase1.java:12) Where is your `selenium` field initialized? -- Cédric On Wed, Oct 28, 2009 at 9:09 AM, kebmo <murphy2atnetaxs@...> wrote:
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Re: Null pointer exception only with groups
by kebmo-2
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On Oct 28, 12:16 pm, Cédric Beust ♔ <cbe...@...> wrote: > The exception seems to be happening in your code: > java.lang.NullPointerException > at test.TestCase1.testTestCase1(TestCase1.java:12) > > Where is your `selenium` field initialized? The superclass SelaneseTestNgHelper has a setUp method, which invokes the setUp method of SelaneseTestBase, which initializes the 'selenium' field. SelaneseTestNgHelper::setUp is never invoked in the case where I provide a <groups> block. Here's the call stack right before the 'selenium' field is initialized during a successful run: at com.thoughtworks.selenium.SeleneseTestNgHelper.setUp (SeleneseTestNgHelper.java:26) at sun.reflect.NativeMethodAccessorImpl.invoke0 (NativeMethodAccessorImpl.java:-1) at sun.reflect.NativeMethodAccessorImpl.invoke (NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke (DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at org.testng.internal.MethodHelper.invokeMethod(MethodHelper.java: 607) at org.testng.internal.Invoker.invokeConfigurationMethod (Invoker.java:417) at org.testng.internal.Invoker.invokeConfigurations(Invoker.java: 154) at org.testng.internal.Invoker.invokeConfigurations(Invoker.java: 88) at org.testng.TestRunner.beforeRun(TestRunner.java:510) at org.testng.TestRunner.run(TestRunner.java:478) at org.testng.SuiteRunner.runTest(SuiteRunner.java:332) at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:327) at org.testng.SuiteRunner.privateRun(SuiteRunner.java:299) at org.testng.SuiteRunner.run(SuiteRunner.java:204) at org.testng.TestNG.createAndRunSuiteRunners(TestNG.java:867) at org.testng.TestNG.runSuitesLocally(TestNG.java:832) at org.testng.TestNG.run(TestNG.java:748) at org.testng.remote.RemoteTestNG.run(RemoteTestNG.java:73) at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:124) --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "testng-users" group. To post to this group, send email to testng-users@... To unsubscribe from this group, send email to testng-users+unsubscribe@... For more options, visit this group at http://groups.google.com/group/testng-users?hl=en -~----------~----~----~----~------~----~------~--~--- |
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Re: Null pointer exception only with groups
by Cédric Beust ♔
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Did you annotate your setUp method with a @Before* annotation?
-- Cédric On Wed, Oct 28, 2009 at 10:01 AM, kebmo <murphy2atnetaxs@...> wrote:
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Re: Null pointer exception only with groups
by kebmo-2
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On Oct 28, 1:04 pm, Cédric Beust ♔ <cbe...@...> wrote: > Did you annotate your setUp method with a @Before* annotation? (Remember that the same TestNG test suite executes the test absolutely fine without the <groups> block. It doesn't just succeed trivially, either -- it really runs the test.) The folks behind Selenium annotated the setUp method in my test's superclass: @BeforeTest @Override @Parameters({"selenium.url", "selenium.browser"}) public void setUp(@Optional String url, @Optional String browserString) throws Exception { if (browserString == null) browserString = runtimeBrowserString (); super.setUp(url, browserString); staticSelenium = selenium; }; I'm a bit of a Java duffer, but I ran the failing test configuration and turned on CPU tracing with VisualVM. In "good" stack trace, I don't see org.testng.TestRunner.beforeRun(TestRunner.java:510) ever call org.testng.internal.Invoker.invokeConfigurations(Invoker.java: 88). I've determined that the IntelliJ TestNG-J plugin uses TestNG 5.6, but I don't know how to step into the TestNG source code when I run the test in debugging mode. (Yes, I'm also an IntelliJ duffer). --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "testng-users" group. To post to this group, send email to testng-users@... To unsubscribe from this group, send email to testng-users+unsubscribe@... For more options, visit this group at http://groups.google.com/group/testng-users?hl=en -~----------~----~----~----~------~----~------~--~--- |
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Re: Null pointer exception only with groups
by kebmo-2
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On Oct 28, 1:31 pm, kebmo <murphy2atnet...@...> wrote: > I've determined that the IntelliJ TestNG-J plugin uses TestNG 5.6 Actually, that may not be true. I was looking at the external plugin description, but I'm using whatever is bundled by default with IntelliJ IDEA 8.1.3. --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "testng-users" group. To post to this group, send email to testng-users@... To unsubscribe from this group, send email to testng-users+unsubscribe@... For more options, visit this group at http://groups.google.com/group/testng-users?hl=en -~----------~----~----~----~------~----~------~--~--- |
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Re: Null pointer exception only with groups
by Cédric Beust ♔
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On Wed, Oct 28, 2009 at 10:31 AM, kebmo <murphy2atnetaxs@...> wrote: --
@Parameters({"selenium.url", "selenium.browser"}) You need to put that method in the group you're running ("selenium") or it won't get run. Also, are you sure you want @BeforeTest and not @BeforeMethod? Cédric --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "testng-users" group. To post to this group, send email to testng-users@... To unsubscribe from this group, send email to testng-users+unsubscribe@... For more options, visit this group at http://groups.google.com/group/testng-users?hl=en -~----------~----~----~----~------~----~------~--~--- |
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Re: Null pointer exception only with groups
by kebmo-2
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On Oct 28, 1:38 pm, Cédric Beust ♔ <cbe...@...> wrote: > > The folks behind Selenium annotated the setUp method in my test's > > superclass: > > @BeforeTest > > @Override > @Parameters({"selenium.url", "selenium.browser"}) > > public void setUp(@Optional String url, @Optional String browserString) > > You need to put that method in the group you're running ("selenium") or it > won't get run. Aha, thanks! Naively, that seems surprising to me; I would expect setUp to always be called. Would @AlwaysRun also be a possibility? Either that, or since SelaneseTestNgHelper is part of an open source framework, maybe its setUp method should get its own documented group. In the meantime, I guess I can override setUp in my subclass of SelaneseTestNgHelper and declare that with the appropriate group (or put my entire class in the group, right?) > Also, are you sure you want @BeforeTest and not @BeforeMethod? Hopefully the authors of SelaneseTestNgHelper know what they're doing, but I don't know. The documentation sucks. How would I choose? Are you concerned about concurrency? I can define my own setUp method overriding that of the superclass and apply whatever annotation I like. Thanks again! --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "testng-users" group. To post to this group, send email to testng-users@... To unsubscribe from this group, send email to testng-users+unsubscribe@... For more options, visit this group at http://groups.google.com/group/testng-users?hl=en -~----------~----~----~----~------~----~------~--~--- |
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Re: Null pointer exception only with groups
by Cédric Beust ♔
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On Wed, Oct 28, 2009 at 1:34 PM, kebmo <murphy2atnetaxs@...> wrote: --
You can use alwaysTrue=true if you want it to always be run, but by default, configuration methods obey group rules just like test methods.
The TestNG documentation? I thought the difference between @BeforeTest and @BeforeMethod is clearly documented there... Cédric --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "testng-users" group. To post to this group, send email to testng-users@... To unsubscribe from this group, send email to testng-users+unsubscribe@... For more options, visit this group at http://groups.google.com/group/testng-users?hl=en -~----------~----~----~----~------~----~------~--~--- |
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Re: Null pointer exception only with groups
by kebmo-2
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On Oct 28, 4:38 pm, Cédric Beust ♔ <cbe...@...> wrote: > On Wed, Oct 28, 2009 at 1:34 PM, kebmo <murphy2atnet...@...> wrote: > > but I don't know. The documentation sucks. > > The TestNG documentation? I thought the difference between @BeforeTest and > @BeforeMethod is clearly documented there... Cédric, no, the TestNG documentation is great. On the other hand, the Selenium documentation leaves a lot to be desired. -Kevin --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "testng-users" group. To post to this group, send email to testng-users@... To unsubscribe from this group, send email to testng-users+unsubscribe@... For more options, visit this group at http://groups.google.com/group/testng-users?hl=en -~----------~----~----~----~------~----~------~--~--- |
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