#!/usr/bin/env python3
"""Write the deflated test fixture the unit tests read via $MARS_VFS_FIXTURE.

Contents are fixed so the test can regenerate the expected bytes itself:
  deflated.txt  2000 lines "line N of the deflated fixture\\n"   (ZIP_DEFLATED)
  stored.txt    "stored alongside\\n"                            (ZIP_STORED)
"""
import sys
import zipfile

out = sys.argv[1]
with zipfile.ZipFile(out, "w") as z:
    z.writestr("deflated.txt", "".join(f"line {i} of the deflated fixture\n" for i in range(2000)),
               compress_type=zipfile.ZIP_DEFLATED)
    z.writestr("stored.txt", "stored alongside\n", compress_type=zipfile.ZIP_STORED)