import os
import tarfile

from bunker.files.tarfile import RewriteableTarFile
from bunker.files.bunkerfile import BunkeredFile


def test_create(tmpdir):
	tmpdname = str(tmpdir)

	tf = RewriteableTarFile.open(os.path.join(tmpdname, "test.bunker"))
	f = BunkeredFile.empty("__bunker_main__")
	tf.add_file(f)

	f = tf.get_file("__bunker_main__")
	f.write(b"foobar")
	
	tf.close()

	tf = RewriteableTarFile.open(os.path.join(tmpdname, "test.bunker"))
	f = tf.get_file("__bunker_main__")
	
	assert f.read() == b"foobar"