repository.put('class1', value1)
        repository.put('class2', value2)
        Action action = Mock()

        when:
        repository.each(action)

        then:
        1 * action.execute(value1)
        1 * action.execute(value2)
        0 * action._
    }

    def canPersistMetaData() {
        TestDomainObject value = new TestDomainObject('a')

                    return resolver.resolve(i, classMetaData)
                }
            })
            classMetaData.visitTypes(new Action<gradlebuild.docs.dsl.source.model.TypeMetaData>() {
                void execute(gradlebuild.docs.dsl.source.model.TypeMetaData t) {
                    resolver.resolve(t, classMetaData)
                }
            })
        } catch (Exception e) {

    static class ExecResult {
        String stdout
        String stderr
        int returnCode
    }

    static ExecResult exec(String command) {
        Process process = command.execute()
        def stdoutFuture = readStreamAsync(process.inputStream)
        def stderrFuture = readStreamAsync(process.errorStream)

        int returnCode = process.waitFor()
        String stdout = stdoutFuture.get()