JUnit on application project

stephane_picodev · April 23, 2020, 6:21pm

Hello,
I have seen in the documentation that it is possible to run JUnit testcases on the simulator. However I did not manage to get it running.
I am using MicroEJ SDK Version 19.05.
I added in the windows->properties->Ant the path to the virtual device and in my module.ivy:
<dependency conf="test->*" org="ej.library.test" name="junit" rev="1.5.0" onf="test->*" />
I then created a testcase in the src/test/java directory and added it to the source directories in the project build path.
When I build the project, I get in JUnit tests the following error;

Unable to locate tools.jar. Expected to find it in C:\Program Files\Java\jre1.8.0_231\lib\tools.jar

I tried to use the sample project (GitHub - MicroEJ/Example-Sandboxed-JUnit: This project gathers simple sandboxed applications tested with JUnit.) but even after the migration, It makes the same error.

Here are my questions:
1- Is there a way to skip the javadoc generation that can break the build befiore the Junit testcases get a chance to run?
2- How to make my tests actually run?
3- Will it be possible then to use the debugger on the tests while running on the simulator (as for a normal Junit testcase on Eclipse) ?

Thanks for your help!
Stéphane

pierre.rivron · April 24, 2020, 8:57am

Hello @stephane_picodev,

1- Is there a way to skip the javadoc generation that can break the build befiore the Junit testcases get a chance to run?

You can add the property javadoc.failonerror and set it to false. This will keep running the javadoc generation but will not fail on error.

2- How to make my tests actually run?

There are different ways to run a test:

Tests are generated in src-adpgenerated/junit/java/ and each contains a main that can be run
Automatic run with the project build

3- Will it be possible then to use the debugger on the tests while running on the simulator (as for a normal Junit testcase on Eclipse) ?

Yes, the test from src-adpgenerated can be runned using the debbugger.

You can find more information there Test Suite with JUnit — MicroEJ Documentation

Regards,

stephane_picodev · April 24, 2020, 9:47am

Thanks for your help.
However, I still can’t get it running correctly.
1- Where the property should be defined?
2- How to run the test without the error I get
(Unable to locate tools.jar. Expected to find it in C:\Program Files\Java\jre1.8.0_231\lib\tools.jar) ?
Actually the Juit process seems to run, but the testcase is not executed. I suppose something is nto configured correctly but I followed the documentation and the setup is not working.
Thank you Pierre!

Kind regards,
Stéphane

pierre.rivron · April 27, 2020, 7:21am

Hi @stephane_picodev,

1- Where the property should be defined?

You can define the property either

Adding the property in windows->preferences->Ant->Runtime
Modifying your module.ivy file, in the tag ea:build, add a new tag <ea:property name="javadoc.failonerror" value="false" />

2- How to run the test without the error I get

Do you have the junit test cases generated in src-adpgenerated/junit/java/ ?
Can you send more lines of your log ?

Regaards,

stephane_picodev · April 27, 2020, 12:44pm

Thank you Pierre.
The ant build gives during the execution of the testscases:

[testsuite:javaTestsuite] [I3] - No custom property file found for this test:
[testsuite:javaTestsuite] Running test (1/10): I:\Projets.…\target~\test\classes\com.…wa\domain\RestManagerTest.class
[testsuite:javaTestsuite] Test classname: com…wa.domain.RestManagerTest
[testsuite:javaTestsuite] Test output name: com…a.domain.RestManagerTest
[testsuite:javaTestsuite] > Test ended as failure

The log of each individual JUnit testxase run (from the report XML file) gives:

Unable to locate tools.jar. Expected to find it in C:\Program Files\Java\jre1.8.0_231\lib\tools.jar

Buildfile: D:\App\MicroEJ-Studio\rcp\configuration\org.eclipse.osgi\457\data\repositories\microej-build-repository\com\is2t\easyant\plugins\microej-testsuite\3.3.2\microej-testsuite-harness-s3-3.3.2.xml

traceAnalyzer/definition:

runTest:
[mkdir] Created dir: I:\Projets\ ... \target~\test\xml\test\20200427-1431-17\com.....wa.domain._SingleTest_RestManagerTest_testUpdateTime\null294835513
activity/microej:
 [echo] =============== [ Initialization Stage ] ===============
check/OS/job:

isWinXP:

check/OS:

target/define:

platform/constants:

init/vd/embeded-applications:

BUILD FAILED

D:\App\MicroEJ-Studio\rcp\configuration\org.eclipse.osgi\457\data\repositories\microej-build-repository\com\is2t\easyant\plugins\microej-testsuite\3.3.2\microej-testsuite-harness-s3-3.3.2.xml:33: The following error occurred while executing this line:

I:\Projets.…wa\target~\platform\scripts\init-vd\vd-init.xml:11: java.lang.RuntimeException: java.nio.file.NoSuchFileException: I:\Projets.…wa\target~\test\xml\test\20200427-1431-17\bin\META-INF\MANIFEST.MF

*at jdk.nashorn.internal.runtime.ScriptRuntime.apply(ScriptRuntime.java:397)

*at jdk.nashorn.api.scripting.NashornScriptEngine.evalImpl(NashornScriptEngine.java:449)

*at jdk.nashorn.api.scripting.NashornScriptEngine.evalImpl(NashornScriptEngine.java:406)

*at jdk.nashorn.api.scripting.NashornScriptEngine.evalImpl(NashornScriptEngine.java:402)

*at jdk.nashorn.api.scripting.NashornScriptEngine.eval(NashornScriptEngine.java:155)

*at javax.script.AbstractScriptEngine.eval(Unknown Source)

*at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

*at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)

*at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)

*at java.lang.reflect.Method.invoke(Unknown Source)

*at org.apache.tools.ant.util.ReflectUtil.invoke(ReflectUtil.java:109)

*at org.apache.tools.ant.util.ReflectWrapper.invoke(ReflectWrapper.java:81)

*at org.apache.tools.ant.util.optional.JavaxScriptRunner.evaluateScript(JavaxScriptRunner.java:103)

*at org.apache.tools.ant.util.optional.JavaxScriptRunner.executeScript(JavaxScriptRunner.java:67)

*at org.apache.tools.ant.taskdefs.optional.Script.execute(Script.java:53)

*at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:293)

*at sun.reflect.GeneratedMethodAccessor4.invoke(Unknown Source)

*at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)

*at java.lang.reflect.Method.invoke(Unknown Source)

*at org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:106)

*at org.apache.tools.ant.Task.perform(Task.java:348)

*at org.apache.tools.ant.Target.execute(Target.java:435)

*at org.apache.tools.ant.Target.performTasks(Target.java:456)

*at org.apache.tools.ant.Project.executeSortedTargets(Project.java:1405)

*at org.apache.tools.ant.helper.SingleCheckExecutor.executeTargets(SingleCheckExecutor.java:38)

*at org.apache.tools.ant.Project.executeTargets(Project.java:1260)

*at org.apache.tools.ant.taskdefs.Ant.execute(Ant.java:441)

*at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:293)

*at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

*at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)

*at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)

*at java.lang.reflect.Method.invoke(Unknown Source)

*at org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:106)

*at org.apache.tools.ant.Task.perform(Task.java:348)

*at org.apache.tools.ant.Target.execute(Target.java:435)

*at org.apache.tools.ant.Target.performTasks(Target.java:456)

*at org.apache.tools.ant.Project.executeSortedTargets(Project.java:1405)

*at org.apache.tools.ant.Project.executeTarget(Project.java:1376)

*at org.apache.tools.ant.helper.DefaultExecutor.executeTargets(DefaultExecutor.java:41)

*at org.apache.tools.ant.Project.executeTargets(Project.java:1260)

*at org.apache.tools.ant.Main.runBuild(Main.java:857)

*at org.apache.tools.ant.Main.startAnt(Main.java:236)

*at org.apache.tools.ant.launch.Launcher.run(Launcher.java:287)

*at org.apache.tools.ant.launch.Launcher.main(Launcher.java:113)

Caused by: java.nio.file.NoSuchFileException: I:\Projets…wa\target~\test\xml\test\20200427-1431-17\bin\META-INF\MANIFEST.MF

*at sun.nio.fs.WindowsException.translateToIOException(Unknown Source)

*at sun.nio.fs.WindowsException.rethrowAsIOException(Unknown Source)

*at sun.nio.fs.WindowsException.rethrowAsIOException(Unknown Source)

*at sun.nio.fs.WindowsFileSystemProvider.newByteChannel(Unknown Source)

*at java.nio.file.Files.newByteChannel(Unknown Source)

*at java.nio.file.Files.newByteChannel(Unknown Source)

*at java.nio.file.spi.FileSystemProvider.newInputStream(Unknown Source)

*at java.nio.file.Files.newInputStream(Unknown Source)

*at jdk.nashorn.internal.scripts.Script$^eval_.:program(:4)

*at jdk.nashorn.internal.runtime.ScriptFunctionData.invoke(ScriptFunctionData.java:637)

*at jdk.nashorn.internal.runtime.ScriptFunction.invoke(ScriptFunction.java:494)

*at jdk.nashorn.internal.runtime.ScriptRuntime.apply(ScriptRuntime.java:393)

*… 43 more

Total time: 3 seconds

Then when I select a Testcase in src-adpgenerated/junit/java in Eclipse, right click and select debug as MicroEJ Application it starts the emulator and runs my application but not the JUnit Testcase
Thanks for your help !
Kind regards,
Stéphane

pierre.rivron · April 28, 2020, 7:55am

Hi Stéphane,

OK, I did not get that you were using a virtual device with the Studio. Unfortunately we have a known issue for running the junit test cases with the virtual device. It will be fixed for the next firmware released.

Regards,

Pierre

stephane_picodev · April 28, 2020, 9:48pm

Ah ok Pierre.
Does it means it would work on the target evaluation board? Or do I need to change the architecture (for JUnit this could be manageable workaround)?
Regards,
Pierre

pierre.rivron · April 30, 2020, 12:51pm

Currently, you can run the test on the simulator using the src-generated main files.

To run the tests on the build (they are run on the simulator), you will need to wait for a new virtual device.

If you want to run them now, you could use an SDK platform with an evaluation license.

Regards,