def e = thrown WorkValidationException
        validateException(task, e, cannotCreateParentDirectories {
            property('outputFile')
                .file(task.outputFile)
                .ancestorIsNotDirectory(task.outputFile.parentFile)
                .includeLink()
        })
    }

    def validationActionFailsWhenSpecifiedOutputFilesParentIsAFile() {
        given:

${validationMessage("cannot_write_output")}
"""

        when:
        render cannotWriteToDir {
            type('Writer').property('output')
            dir(location)
            ancestorIsNotDirectory(ancestor)
            includeLink()
        }

        then:
        outputEquals """
Type 'Writer' property 'output' is not writable because '${location}' ancestor '${ancestor}' is not a directory.

            this
        }

        CannotWriteToDir isNotDirectory() {
            this.reason = "is not a directory"
            this
        }

        CannotWriteToDir ancestorIsNotDirectory(File ancestor) {
            this.problemDir = ancestor
            this.reason = "ancestor '$ancestor' is not a directory"
            this
        }
    }