from __future__ import absolute_import, print_function

# Import something from Mercurial, so the module loader gets initialized.

from mercurial import pycompat

del pycompat  # unused for now

from hgext.lfs import pointer

def tryparse(text):

    r = {}

    try:

        r = pointer.deserialize(text)

        print('ok')

    except Exception as ex:

        print((b'%s' % ex).decode('ascii'))

    if r:

        text2 = r.serialize()

        if text2 != text:

            print('reconstructed text differs')

    return r

t = (b'version https://git-lfs.github.com/spec/v1\n'

     b'oid sha256:4d7a214614ab2935c943f9e0ff69d22eadbb8f32b1'

     b'258daaa5e2ca24d17e2393\n'

     b'size 12345\n'

     b'x-foo extra-information\n')

tryparse(b'')

tryparse(t)

tryparse(t.replace(b'git-lfs', b'unknown'))

tryparse(t.replace(b'v1\n', b'v1\n\n'))

tryparse(t.replace(b'sha256', b'ahs256'))

tryparse(t.replace(b'sha256:', b''))

tryparse(t.replace(b'12345', b'0x12345'))

tryparse(t.replace(b'extra-information', b'extra\0information'))

tryparse(t.replace(b'extra-information', b'extra\ninformation'))

tryparse(t.replace(b'x-foo', b'x_foo'))

tryparse(t.replace(b'oid', b'blobid'))

tryparse(t.replace(b'size', b'size-bytes').replace(b'oid', b'object-id'))