[jira] [Created] (GROOVY-7500) Problem With Runtime Metaprogramming Over A Trait Method

["Jeff Scott Brown (JIRA)" <ji...@apache.org>]

Jeff Scott Brown created GROOVY-7500:
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             Summary: Problem With Runtime Metaprogramming Over A Trait Method
                 Key: GROOVY-7500
                 URL: https://issues.apache.org/jira/browse/GROOVY-7500
             Project: Groovy
          Issue Type: Bug
    Affects Versions: 2.4.3
            Reporter: Jeff Scott Brown


It looks like I cannot runtime metaprogram over a trait method.  

The attached metaprogramovertrait.zip file contains the following:

{code:title=src/main/groovy/demo/SomeClass.groovy}
package demo

class SomeClass implements SomeTrait {}
{code}

{code:title=src/main/groovy/demo/SomeTrait.groovy}
package demo

trait SomeTrait {
    void someMethod() {
    }
}
{code}

{code:title=src/test/groovy/demo/SomeClassSpec.groovy}
package demo

import spock.lang.Specification
class SomeClassSpec extends Specification {

    void 'test something'() {
        given:
        SomeClass.metaClass.someMethod = { ->
            throw new UnsupportedOperationException()
        }

        when:
        new SomeClass().someMethod()

        then:
        UnsupportedOperationException ex = thrown()
    }
}
{code}

If I remove the method from the trait, the test passes.



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