[elbe-devel] [PATCH 3/3] tests efilesystem: add deeplinks test for copy_filelist()

[Torben Hohn]

/bin -> usr/bin is located at the rootlevel. This works with the current
implementation in copy_filelist(). But when a link is relative and deeper
in the directory hirarchy, things break.

Add a test for this case.

Needs cleanup in the comments.

Signed-off-by: Torben Hohn <torben.hohn at linutronix.de>
---
 elbepack/tests/test_efilesystem.py | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/elbepack/tests/test_efilesystem.py b/elbepack/tests/test_efilesystem.py
index d37eac291..07c0961d0 100644
--- a/elbepack/tests/test_efilesystem.py
+++ b/elbepack/tests/test_efilesystem.py
@@ -42,3 +42,23 @@ class TestCopyFilelist(unittest.TestCase):
         copy_filelist(src, ['/bin', '/bin/bla'], dst)
 
         self.assertEqual(dst.read_file('/usr/bin/bla'), 'bla')
+
+    def test_deeplinks(self):
+        src = TmpdirFilesystem()
+        src.mkdir_p('/a/b/c')
+
+        # create a proper relative path, that should
+        # work fine from inside.
+        src.symlink('c', '/a/b/d')
+
+        # we would actually want to write to /bin/bla
+        # but since the link points to /usr/bin without
+        # chroot, this is not possible.
+        src.write_file('/a/b/c/bla', 0o644, 'bla')
+
+        dst = TmpdirFilesystem()
+
+        copy_filelist(src, ['/a', '/a/b', '/a/b/d', '/a/b/d/bla'], dst)
+
+        self.assertEqual(dst.read_file('/usr/bin/bla'), 'bla')
+
-- 
2.20.1