def test_should_create_a_new_initrd_starting_from_a_xz_compressed_one(
self):
self.ensure_package_is_installed("tar", "xz")
self.ensure_package_is_installed("xz")
(status, stdout, stderr) = my_popen([
"/bin/sh", MERGE_RD_CMD, self.initrd_xz, self.final_initrd,
helper.path_to_fixture("ks-tree-shadow/")
])
# ensure the new initrd has been created
errors = b"".join(stderr.readlines()).decode()
self.assertEqual(0, status,
"Something wrong happened: {0}".format(errors))
self.assertTrue(os.path.exists(self.final_initrd))
# ensure the new initrd is compressed using gzip
(status, stdout, stderr) = my_popen([
"file",
self.final_initrd,
])
errors = b"".join(stderr.readlines()).decode()
self.assertEqual(0, status,
"Something wrong happened: {0}".format(errors))
self.assertTrue(
"gzip compressed data" in b"".join(stdout.readlines()).decode())
# uncompress the initrd
(status, stdout, stderr) = my_popen(["gzip", "-d", self.final_initrd])
errors = b"".join(stderr.readlines()).decode()
self.assertEqual(0, status,
"Something wrong happened: {0}".format(errors))
# extract the contents of the initrd
uncomp_dir = os.path.join(self.data_dir, "uncompressed")
os.mkdir(uncomp_dir)
os.chdir(uncomp_dir)
(status, stdout, stderr) = my_popen(
["cpio", "-idF",
self.final_initrd.replace(".gz", "")])
errors = b"".join(stderr.readlines()).decode()
self.assertEqual(0, status,
"Something wrong happened: {0}".format(errors))
test_file = os.path.join(uncomp_dir, "susemanager", "test_file")
self.assertTrue(os.path.exists(test_file))
expected_data = helper.read_data_from_fixture(
"ks-tree-shadow/susemanager/test_file")
with open(test_file) as file:
self.assertEqual(file.read(), expected_data)
# the "uncomp_dir" is going to be removed at the end of the tests
os.chdir("/")
def test_should_fail_when_the_initrd_is_not_a_valid_file(self):
(status, stdout, stderr) = my_popen(["touch", "/etc/fstab"])
(status, stdout, stderr) = my_popen([
"/bin/sh", MERGE_RD_CMD, "/etc/fstab", self.final_initrd,
helper.path_to_fixture("ks-tree-shadow/")
])
errors = b"".join(stderr.readlines()).decode()
self.assertNotEqual(0, status)
if not "Error uncompressing" in errors:
self.fail(
"Command failed for a different reason: {0}".format(errors))
def ensure_package_is_not_installed(self, *pkgs):
cmd = ["zypper", "rm", "-y"]
for pkg in pkgs:
cmd.append(pkg)
(status, stdout, stderr) = my_popen(cmd)
if status != 0:
self.fail("Something went wrong while ensuring {0} was not "
"installed: {1}".format(pkg,
"".join(stderr.readlines())))
def test_should_fail_when_the_initrd_is_not_found(self):
(status, stdout, stderr) = my_popen([
"/bin/sh", MERGE_RD_CMD, "/fake_initrd", self.final_initrd,
helper.path_to_fixture("ks-tree-shadow/")
])
errors = "".join(stderr.readlines())
self.assertNotEqual(0, status)
if not "Cannot find initrd" in errors:
self.fail(
"Command failed for a different reason: {0}".format(errors))
def test_should_fail_when_xz_is_not_installed(self):
self.ensure_package_is_not_installed("xz")
(status, stdout, stderr) = my_popen([
"/bin/sh", MERGE_RD_CMD, self.initrd_xz, self.final_initrd,
helper.path_to_fixture("ks-tree-shadow/")
])
errors = "".join(stderr.readlines())
self.assertNotEqual(0, status)
if not "Error uncompressing" in errors:
self.fail(
"Command failed for a different reason: {0}".format(errors))
def test_should_fail_when_the_user_tree_directory_is_missing(self):
self.ensure_package_is_installed("tar", "xz")
(status, stdout, stderr) = my_popen([
"/bin/sh", MERGE_RD_CMD, self.initrd_xz, self.final_initrd,
"/does/not/exist/ks-tree-shadow/"
])
errors = "".join(stderr.readlines())
self.assertNotEqual(0, status)
if not "Cannot find user tree" in errors:
self.fail(
"Command failed for a different reason: {0}".format(errors))
def test_should_fail_when_directory_containing_final_initrd_does_not_exist(
self):
self.ensure_package_is_installed("tar", "xz")
(status, stdout, stderr) = my_popen([
"/bin/sh", MERGE_RD_CMD, self.initrd_xz, "/new_dir/initrd.out",
helper.path_to_fixture("ks-tree-shadow/")
])
errors = "".join(stderr.readlines())
self.assertNotEqual(0, status)
if not "Cannot find final destination dir" in errors:
self.fail(
"Command failed for a different reason: {0}".format(errors))
