Created
March 2, 2015 19:12
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A problem with Gradle's Instantiator and closures referencing class' private fields
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| import org.gradle.api.Project | |
| class CommandRunner { | |
| private final Project project | |
| def CommandRunner(Project project) { | |
| this.project = project | |
| } | |
| public String run(Object... args) { | |
| def result = new ByteArrayOutputStream().withStream { os -> | |
| project.exec { | |
| commandLine args | |
| standardOutput = os | |
| } | |
| os.toString() | |
| } | |
| result | |
| } | |
| } |
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| import org.gradle.api.internal.project.ProjectInternal | |
| import org.gradle.internal.reflect.Instantiator | |
| import org.gradle.testfixtures.ProjectBuilder | |
| import org.junit.Test | |
| public class CommandRunnerTest { | |
| @Test | |
| public void testName() throws Exception { | |
| def project = new ProjectBuilder().build() | |
| Instantiator instantiator = ((ProjectInternal) project).getServices().get(Instantiator) | |
| def commandRunner = instantiator.newInstance(CommandRunner, project) | |
| commandRunner.run("echo", "hello world") | |
| } | |
| } |
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| groovy.lang.MissingPropertyException: Could not find property 'project' on CommandRunner_Decorated@7e32156a. | |
| at org.gradle.api.internal.AbstractDynamicObject.propertyMissingException(AbstractDynamicObject.java:43) | |
| at org.gradle.api.internal.AbstractDynamicObject.getProperty(AbstractDynamicObject.java:35) | |
| at org.gradle.api.internal.CompositeDynamicObject.getProperty(CompositeDynamicObject.java:94) | |
| at CommandRunner_Decorated.getProperty(Unknown Source) | |
| at org.codehaus.groovy.runtime.InvokerHelper.getProperty(InvokerHelper.java:168) | |
| at groovy.lang.Closure.getPropertyTryThese(Closure.java:321) | |
| at groovy.lang.Closure.getPropertyOwnerFirst(Closure.java:315) | |
| at groovy.lang.Closure.getProperty(Closure.java:304) | |
| at org.codehaus.groovy.runtime.callsite.PogoGetPropertySite.getProperty(PogoGetPropertySite.java:47) | |
| at org.codehaus.groovy.runtime.callsite.AbstractCallSite.callGroovyObjectGetProperty(AbstractCallSite.java:231) | |
| at CommandRunner$_run_closure1.doCall(CommandRunner.groovy:12) | |
| at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) | |
| at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) | |
| at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) | |
| at java.lang.reflect.Method.invoke(Method.java:606) | |
| at org.codehaus.groovy.reflection.CachedMethod.invoke(CachedMethod.java:90) | |
| at groovy.lang.MetaMethod.doMethodInvoke(MetaMethod.java:324) | |
| at org.codehaus.groovy.runtime.metaclass.ClosureMetaClass.invokeMethod(ClosureMetaClass.java:278) | |
| at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:1016) | |
| at groovy.lang.Closure.call(Closure.java:423) | |
| at groovy.lang.Closure.call(Closure.java:439) | |
| at org.codehaus.groovy.runtime.IOGroovyMethods.withStream(IOGroovyMethods.java:1298) | |
| at org.codehaus.groovy.runtime.dgm$731.invoke(Unknown Source) | |
| at org.codehaus.groovy.runtime.callsite.PojoMetaMethodSite$PojoMetaMethodSiteNoUnwrapNoCoerce.invoke(PojoMetaMethodSite.java:271) | |
| at org.codehaus.groovy.runtime.callsite.PojoMetaMethodSite.call(PojoMetaMethodSite.java:53) | |
| at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCall(CallSiteArray.java:45) | |
| at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:108) | |
| at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:116) | |
| at CommandRunner.run(CommandRunner.groovy:11) | |
| at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) | |
| at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) | |
| at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) | |
| at java.lang.reflect.Method.invoke(Method.java:606) | |
| at org.codehaus.groovy.runtime.callsite.PogoMetaMethodSite$PogoCachedMethodSite.invoke(PogoMetaMethodSite.java:166) | |
| at org.codehaus.groovy.runtime.callsite.PogoMetaMethodSite.call(PogoMetaMethodSite.java:68) | |
| at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCall(CallSiteArray.java:45) | |
| at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:108) | |
| at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:120) | |
| at CommandRunnerTest.testName(CommandRunnerTest.groovy:14) |
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