def test_zip_extract_ro_dir(self):
    src = os.path.join(self.tmp, "src")
    os.mkdir(src)
    ro1 = os.path.join(src, "ro1")
    os.mkdir(ro1)
    ro2 = os.path.join(ro1, "ro2")
    os.mkdir(ro2)
    a = os.path.join(ro2, "a")
    with open(a, "w") as fp:
        fp.write("a\n")
    # RO dir inside an other RO dir
    os.chmod(ro2, stat.S_IRUSR | stat.S_IXUSR)
    os.chmod(ro1, stat.S_IRUSR | stat.S_IXUSR)
    archive = qibuild.archive.zip(src)
    dest = os.path.join(self.tmp, "dest")
    os.mkdir(dest)
    qibuild.archive.extract(archive, dest)
    ls_r = qibuild.sh.ls_r(dest)
    self.assertEquals(ls_r, ["src/ro1/ro2/a"])