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test/assembler: verify the tar'ed content

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In the test case for the tar assembler, actually verify the
content by un-tar-ing the result again and comparing it to
the tree. This would have spotted missing SELinux labels.
This commit is contained in:
Christian Kellner 2021-01-25 19:39:43 +00:00
parent 920f46880b
commit 89c3df8de4
1 changed files with 20 additions and 1 deletions
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21
test/run/test_assemblers.py
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@ -207,6 +207,7 @@ class TestAssemblers(test.TestBase):
with loop_open(loctl, target, offset=start, size=size) as dev:
self.assertFilesystem(dev, options["root_fs_uuid"], fs_type, tree)
@unittest.skipUnless(test.TestBase.have_tree_diff(), "tree-diff missing")
def test_tar(self):
cases = [
("tree.tar.gz", None, ["application/x-tar"]),
@ -220,11 +221,29 @@ class TestAssemblers(test.TestBase):
with self.run_assembler(osb,
"org.osbuild.tar",
options,
filename) as (_, image):
filename) as (tree, image):
output = subprocess.check_output(["file", "--mime-type", image], encoding="utf-8")
_, mimetype = output.strip().split(": ") # "filename: mimetype"
self.assertIn(mimetype, expected_mimetypes)
if compression:
continue
# In the non-compression case, we verify the tree's content
with tempfile.TemporaryDirectory(dir="/var/tmp") as tmp:
args = [
"tar",
"--numeric-owner",
"--selinux",
"--acls",
"--xattrs", "--xattrs-include", "*",
"-xaf", image,
"-C", tmp]
subprocess.check_output(args, encoding="utf-8")
diff = self.tree_diff(tree, tmp)
self.assertEqual(diff["added_files"], [])
self.assertEqual(diff["deleted_files"], [])
self.assertEqual(diff["differences"], {})
@contextlib.contextmanager
def loop_create_device(ctl, fd, offset=None, sizelimit=None):