def cleanableStore = Mock(CleanableStore) {
        getBaseDir() >> cacheDir
        getReservedCacheFiles() >> []
    }
    def progressMonitor = Mock(CleanupProgressMonitor)
    def deletedFiles = []

    def "deletes non-reserved matching files"() {
        def cacheEntries = [
            temporaryFolder.createFile("1"),
            temporaryFolder.createFile("2"),

    }

    void recompiledFqn(String... classNames) {
        assert getChangedFileNames(true) == asSet(classNames)
    }

    //asserts files deleted since last snapshot.
    void deletedFiles(String... fileNames) {
        def expectedNames = fileNames.collect({ removeExtension(it) }) as Set
        def deleted = snapshot.findAll { !it.exists() }.collect { removeExtension(it.name) } as Set