def loop_context_test(self):
"""Test the LoopDev context manager (requires loop)"""
with tempfile.NamedTemporaryFile(prefix="lorax.test.disk.") as disk_img:
mksparse(disk_img.name, 42 * 1024**2)
with LoopDev(disk_img.name) as loop_dev:
self.assertTrue(loop_dev is not None)
self.assertEqual(loop_dev[5:], get_loop_name(disk_img.name))
def dmdev_test(self):
"""Test the DMDev context manager (requires device-mapper support)"""
with tempfile.NamedTemporaryFile(prefix="lorax.test.disk.") as disk_img:
mksparse(disk_img.name, 42 * 1024**2)
with LoopDev(disk_img.name) as loop_dev:
self.assertTrue(loop_dev is not None)
with DMDev(loop_dev, 42 * 1024**2) as dm_name:
self.assertTrue(dm_name is not None)
def mount_test(self):
"""Test the Mount context manager (requires loop)"""
with tempfile.NamedTemporaryFile(prefix="lorax.test.disk.") as disk_img:
mksparse(disk_img.name, 42 * 1024**2)
runcmd(["mkfs.ext4", "-L", "Anaconda", "-b", "4096", "-m", "0", disk_img.name])
with LoopDev(disk_img.name) as loopdev:
self.assertTrue(loopdev is not None)
with Mount(loopdev) as mnt:
self.assertTrue(mnt is not None)
def dm_test(self):
"""Test the dm_* functions (requires device-mapper support)"""
with tempfile.NamedTemporaryFile(prefix="lorax.test.disk.") as disk_img:
mksparse(disk_img.name, 42 * 1024**2)
with LoopDev(disk_img.name) as loop_dev:
self.assertTrue(loop_dev is not None)
dm_name = dm_attach(loop_dev, 42 * 1024**2)
try:
self.assertTrue(dm_name is not None)
finally:
dm_detach(dm_name)