Not able to run GWTTestCase in Eclipse

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Michael Zhou

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Feb 12, 2016, 6:02:55 AM2/12/16
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I have a test under gwt-user/core/test/com/google/gwt/emultest/ that I want to run in Eclipse.
I imported gwt-user and gwt-dev according to trunk/eclipse/README.md.
When I run the test as a JUnit test, I get:

com.google.gwt.junit.JUnitFatalLaunchException: The test class 'com.google.gwt.emultest.java.util.BitSetTest' was not found in module 'com.google.gwt.emultest.EmulSuite'; no compilation unit for that type was seen
at com.google.gwt.junit.JUnitShell.checkTestClassInCurrentModule(JUnitShell.java:734)
at com.google.gwt.junit.JUnitShell.runTestImpl(JUnitShell.java:1327)
at com.google.gwt.junit.JUnitShell.runTestImpl(JUnitShell.java:1283)
at com.google.gwt.junit.JUnitShell.runTest(JUnitShell.java:672)
at com.google.gwt.junit.client.GWTTestCase.runTest(GWTTestCase.java:421)
at junit.framework.TestCase.runBare(TestCase.java:134)
at junit.framework.TestResult$1.protect(TestResult.java:110)
at junit.framework.TestResult.runProtected(TestResult.java:128)
at junit.framework.TestResult.run(TestResult.java:113)
at junit.framework.TestCase.run(TestCase.java:124)
at com.google.gwt.junit.client.GWTTestCase.run(GWTTestCase.java:247)
at junit.framework.TestSuite.runTest(TestSuite.java:243)
at junit.framework.TestSuite.run(TestSuite.java:238)
at org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:83)
at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:86)
at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:459)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:675)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:382)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:192)

This seems to happen in any GWTTestCase I tried to run.

I also see: Could not find the GWT compiler jarfile. Serialization errors might occur when accessing the persistent unit cache.
from the Eclipse Console.

Daniel Kurka

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Feb 12, 2016, 7:47:38 AM2/12/16
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Hi Michael,

you are probably missing adding all required source roots to the class pathso that the compiler can find the .java .files.

If you go to your Run Configuration under Classpath, hit adavanced and add all required folders 

At least you should add:

dev/core/super/
user/src/
user/super/
user/test/
user/test-super/

Hope that helps,
Daniel




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Michael Zhou

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Feb 12, 2016, 9:47:08 AM2/12/16
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Thanks Daniel, adding

gwt-dev/core/super/
gwt-user/core/src/
gwt-user/core/super
gwt-user/code/test 

works.

Michael
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Michael Zhou

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Feb 12, 2016, 1:42:37 PM2/12/16
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Hi Daniel,

Is there a way to print / log stuff / debug when running a GWTTestCase in Eclipse? System.out.println() or breakpoints aren't working for me.

Michael

On Friday, February 12, 2016 at 7:47:38 AM UTC-5, Daniel Kurka wrote:
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Daniel Kurka

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Feb 12, 2016, 4:33:32 PM2/12/16
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If you want to see the console output use a browser to do so, simply pass this in your args:

-Dgwt.args='-runStyle Manual -style PRETTY -setProperty compiler.stackMode=native -port 5454'

Once the test is compiled it will print a url that you can paste into any browser and run the test there. This will also allow you to do debugging directly in that browser


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Thomas Broyer

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Feb 12, 2016, 6:00:24 PM2/12/16
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Probably something we should put into a README somewhere ;-)

Michael Zhou

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Feb 12, 2016, 9:01:01 PM2/12/16
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The test still finishes in Eclipse, so when I go to that URL I get an ERR_CONNECTION_REFUSED...
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Goktug Gokdogan

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Feb 16, 2016, 8:18:04 PM2/16/16
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If you log via java.util.logger at Level.SEVERE, you will see those logs locally.

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Michael Zhou

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Feb 18, 2016, 1:42:41 AM2/18/16
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That works. Thanks Goktug!
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