I'm on gradle 1.0 m3. I was trying to write a unit test for one of my
gradle tasks and get an NPE on creation.
Basically this call:
L10NJarTask task = new L10NJarTask()
caused this:
java.lang.NullPointerException
at
org.gradle.api.internal.AbstractTask$TaskInfo.access$000(AbstractTask.java:421)
at org.gradle.api.internal.AbstractTask.<init>(AbstractTask.java:105)
at org.gradle.api.internal.AbstractTask.<init>(AbstractTask.java:95)
at org.gradle.api.DefaultTask.<init>(DefaultTask.java:31)
at com.softwareag.bas.plugins.L10NJarTask.<init>(L10NJarTask.groovy)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at
sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
at
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
at java.lang.reflect.Constructor.newInstance(Constructor.java:513)
at
org.codehaus.groovy.reflection.CachedConstructor.invoke(CachedConstructor.java:77)
at
org.codehaus.groovy.runtime.callsite.ConstructorSite$ConstructorSiteNoUnwrapNoCoerce.callConstructor(ConstructorSite.java:102)
at
org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCallConstructor(CallSiteArray.java:52)
at
org.codehaus.groovy.runtime.callsite.AbstractCallSite.callConstructor(AbstractCallSite.java:190)
at
org.codehaus.groovy.runtime.callsite.AbstractCallSite.callConstructor(AbstractCallSite.java:194)
at
com.softwareag.bas.plugins.L10PluginTest.testCreateResourceJar(L10PluginTest.groovy:176)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at
com.intellij.junit3.JUnit3IdeaTestRunner.doRun(JUnit3IdeaTestRunner.java:139)
at
com.intellij.junit3.JUnit3IdeaTestRunner.startRunnerWithArgs(JUnit3IdeaTestRunner.java:52)
at
com.intellij.rt.execution.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:199)
at
com.intellij.rt.execution.junit.JUnitStarter.main(JUnitStarter.java:62)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at com.intellij.rt.execution.application.AppMain.main(AppMain.java:120)
So looking at the gradle code, it appears any descendants of
DefaultTask should not be constructed directly. So in this case, how
should I construct? And how would I get a handle to the instance so I
can test it?
Do I need to do a full integration test?
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