How to test java code in Eclipse?
So far I had no problem defining new modules and their dependencies with files info-module.java, but I still have problems when I try to run unit tests from Eclipse. Basically I filtered file module-info.java in ‘Java Build Path’ options: In this way Eclipse ignores module path and uses only the old classpath.
How to test java code in Eclipse?
I have project created in eclipse. Can you please guide me how can i test it on Eclipse? Where can i get the relevant eclipse version and how to do that?
The project file contains the following details:
org.eclipse.jdt.core.javabuilder org.eclipse.jdt.core.javanature Read about Eclipse with JUnit here: http://www.vogella.de/articles/JUnit/article.html
Since Erich Gamma was on the same plane as Kent Beck when JUnit was born, he integrated this tightly into the Eclipse IDE as a standard feature of the JDT.
If you open the help and navigate to
Java development user guide > Getting Started > Basic tutorial
there is a nice tutorial tuned to eclipse.
BTW : any version of eclipse will do, since it is in there since as as I can remember, at least since 3.1.
Download the latest eclipse from the eclipse site. Eclipse comes with JUnit. Read about JUnit in the junit site. It should take you 5 minutes to figure it out from there.
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Eclipse — Running junit tests ignoring module path
I’m working on an existing maven-based Java project to support Java Module (JPMS). So far I had no problem defining new modules and their dependencies with files info-module.java, but I still have problems when I try to run unit tests from Eclipse. Test code follows the usual folder and package scheme for Maven projects: code is inside src/test/java folder and replicates the package structure of application code .
When I try to run a Junit Test Case from Eclipse I receive a lot of errors about missing modules or not visible packages. What I like to do now is running unit test using only Java classpath and ignoring module path. With Maven and Surefire plugin it’s pretty straightforward as I can use option useModulePath to ignore module path. I also now that Intellij as an option called ‘Do not use —module-path option’ which does exactly what I need.
Do you now any equivalent option or workaround for Eclipse to obtain this behavior?
After some research I’ve found a workaround which works pretty dine for me. I want to make clear that it’s a workaround and it’s not something comparable to the Intellij feature I talk about in the question. Basically I filtered file module-info.java in ‘Java Build Path’ options:
In this way Eclipse ignores module path and uses only the old classpath.
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I know there is a Eclipse add-on for junit testing available. That bring up a question, is there also a tool for C unit testing available?
The last Eclipse CDT release (juno) now has built-in support for C/C++ unit testing framework integration.
See the following release note for more information.
This feature was originally developed here
After looking at the accompanying documentation and the setting configurations in the actual C/C++ testing plugin, it would appear that the CDT Testing tools only support C++ compatible frameworks:
There’s no built-in support for a tool like CUnit. I would advise switching over to another IDE like NetBeans.
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I have a maven3 multi-module RCP eclipse project. I want to run JUnit tests from maven. The modules that have JUnit tests are eclipse-plugins . I’ve tried to run them using Tycho Surefire Plugin by adding this at pom file:
eclipse-test-plugin junit junit 4.12 test src/test org.eclipse.tycho tycho-surefire-plugin 0.24.0 **/*Test.java false junit4 With mvn test the tests are not triggered. Only the classes are compiled. With mvn verify I get the following error:
——————————————————- T E S T S ——————————————————- An error has occurred. See the log file E:\Git\EF8_Toolcenter_repository_custom\de.audi.eftc.platform.contact\target\work\data.metadata.log.
[ERROR] Failed to execute goal org.eclipse.tycho:tycho-surefire-plugin:0.24.0:test (default-test) on project xxxx.contact: An unexpected error occured while launching the test runtime (return code 13). See log for details. -> [Help 1]
!SESSION 2019-03-05 11:31:23.457 ———————————————— eclipse.buildId=unknown java.version=1.8.0_191 java.vendor=Oracle Corporation BootLoader constants: OS=win32, ARCH=x86_64, WS=win32, NL=en_US Framework arguments: -application org.eclipse.tycho.surefire.osgibooter.headlesstest -testproperties xxxx\target\surefire.properties Command-line arguments: -data xxxx\target\work\data -application org.eclipse.tycho.surefire.osgibooter.headlesstest -testproperties xxxx\target\surefire.properties
!ENTRY org.eclipse.tycho.surefire.junit4 2 0 2019-03-05 11:31:24.892 !MESSAGE Could not resolve module: org.eclipse.tycho.surefire.junit4 [134] Unresolved requirement: Import-Package: junit.framework; version=»3.0.0″ Unresolved requirement: Import-Package: junit.framework; version=»3.0.0″
!ENTRY org.eclipse.osgi 4 0 2019-03-05 11:31:24.893 !MESSAGE Application error !STACK 1 org.apache.maven.surefire.util.SurefireReflectionException: java.lang.ClassNotFoundException: org.apache.maven.surefire.junit4.JUnit4Provider at org.apache.maven.surefire.util.ReflectionUtils.loadClass(ReflectionUtils.java:251) at org.apache.maven.surefire.util.ReflectionUtils.instantiateOneArg(ReflectionUtils.java:128) at org.apache.maven.surefire.booter.SurefireReflector.instantiateProvider(SurefireReflector.java:235) at org.apache.maven.surefire.booter.ProviderFactory.createProvider(ProviderFactory.java:113) at org.apache.maven.surefire.booter.ProviderFactory.invokeProvider(ProviderFactory.java:78) at org.eclipse.tycho.surefire.osgibooter.OsgiSurefireBooter.run(OsgiSurefireBooter.java:91) at org.eclipse.tycho.surefire.osgibooter.HeadlessTestApplication.run(HeadlessTestApplication.java:21) 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.eclipse.equinox.internal.app.EclipseAppContainer.callMethodWithException(EclipseAppContainer.java:587) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:198) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:388) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:243) 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.eclipse.equinox.launcher.Main.invokeFramework(Main.java:656) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:592) at org.eclipse.equinox.launcher.Main.run(Main.java:1498) at org.eclipse.equinox.launcher.Main.main(Main.java:1471) Caused by: java.lang.ClassNotFoundException: org.apache.maven.surefire.junit4.JUnit4Provider at org.eclipse.tycho.surefire.osgibooter.CombinedClassLoader.findClass(CombinedClassLoader.java:37) at java.lang.ClassLoader.loadClass(ClassLoader.java:424) at java.lang.ClassLoader.loadClass(ClassLoader.java:357) at org.apache.maven.surefire.util.ReflectionUtils.loadClass(ReflectionUtils.java:243) . 24 more
What am I doing wrong? Thank you in advance!
I’ve figured out what was the problem. I had to put to dependencies in MANIFEST.MF also the org.junit .
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