def test_install_bootloader_skips_if_unchanged(self):
contents = factory.getRandomString()
dest = self.make_file(contents=contents)
age_file(dest, 100)
original_write_time = get_write_time(dest)
loader = self.make_file(contents=contents)
install_bootloader(loader, dest)
self.assertThat(dest, FileContains(contents))
self.assertEqual(original_write_time, get_write_time(dest))
def test_skips_if_unchanged(self):
contents = factory.make_bytes()
dest = self.make_file(contents=contents)
age_file(dest, 100)
original_write_time = os.stat(dest).st_mtime
loader = self.make_file(contents=contents)
atomic_copy(loader, dest)
self.assertThat(dest, FileContains(contents))
self.assertEqual(original_write_time, os.stat(dest).st_mtime)
def test_install_bootloader_skips_if_unchanged(self):
contents = factory.getRandomString()
dest = self.make_file(contents=contents)
age_file(dest, 100)
original_write_time = get_write_time(dest)
loader = self.make_file(contents=contents)
install_bootloader(loader, dest)
self.assertThat(dest, FileContains(contents))
self.assertEqual(original_write_time, get_write_time(dest))
def test_meta_contains_updates_file_timestamp(self):
content = factory.make_string()
storage, meta_file = self.make_meta_file(content)
# Change the file's timestamp to a week ago.
one_week_ago = timedelta(weeks=1).total_seconds()
age_file(meta_file, one_week_ago)
boot_resources.meta_contains(storage, content)
# Check the timestamp was updated.
expected_date = datetime.now()
actual_date = datetime.fromtimestamp(int(os.path.getmtime(meta_file)))
self.assertEqual(expected_date.day, actual_date.day)
def fake_leases_file(self, leases=None, age=None):
"""Fake the presence of a leases file.
This does not go through the leases parser. It patches out the
leases parser with a fake that returns the lease data you pass in
here.
:param leases: Dict of leases (mapping IP addresses to MACs).
:param age: Number of seconds since last modification to leases file.
:return: Path/name of temporary file.
"""
if leases is None:
leases = {}
leases = leases.copy()
leases_file = self.make_file()
if age is not None:
age_file(leases_file, age)
timestamp = get_write_time(leases_file)
self.redirect_parser(leases_file)
self.patch(
leases_module, 'parse_leases_file', lambda: (timestamp, leases))
return leases_file
def fake_leases_file(self, leases=None, age=None):
"""Fake the presence of a leases file.
This does not go through the leases parser. It patches out the
leases parser with a fake that returns the lease data you pass in
here.
:param leases: Dict of leases (mapping IP addresses to MACs).
:param age: Number of seconds since last modification to leases file.
:return: Path/name of temporary file.
"""
if leases is None:
leases = {}
leases = leases.copy()
leases_file = self.make_file()
if age is not None:
age_file(leases_file, age)
timestamp = get_write_time(leases_file)
self.redirect_parser(leases_file)
self.patch(leases_module, 'parse_leases_file', lambda:
(timestamp, leases))
return leases_file
def backdate(path):
"""Set the last modification time for the file at `path` to the past."""
age_file(path, 9999999)
def backdate(path):
"""Set the last modification time for the file at `path` to the past."""
age_file(path, 9999999)