def test_ensure_copy(tmp_path):
tmp = Path(str(tmp_path))
s = tmp.join('s')
with s.open('w') as fd:
fd.write('f')
d = tmp.join('d')
assert s.exists() and s.isfile()
assert not d.exists() and not d.isfile()
ensure_copy(d, s)
assert s.exists() and s.isfile()
assert d.exists() and d.isfile()
def test_farmdbg_reverse(tmp_path, capsys, a, b, c):
root = Path(str(tmp_path))
r1 = farmfs_ui(['mkfs'], root)
captured = capsys.readouterr()
assert r1 == 0
a_path = Path(a, root)
with a_path.open('w') as a_fd:
a_fd.write('a')
a_csum = str(a_path.checksum())
bc_path = Path(b, root).join(c)
ensure_copy(bc_path, a_path)
r2 = farmfs_ui(['freeze'], root)
captured = capsys.readouterr()
r3 = farmfs_ui(['snap', 'make', 'mysnap'], root)
assert r3 == 0
r4 = dbg_ui(['walk', 'root'], root)
captured = capsys.readouterr()
assert r4 == 0
assert captured.out == ".\tdir\t\n%s\tlink\t%s\n%s\tdir\t\n%s/%s\tlink\t%s\n" % (
a, a_csum, b, b, c, a_csum)
assert captured.err == ''
r5 = dbg_ui(['walk', 'userdata'], root)
captured = capsys.readouterr()
assert r5 == 0
assert captured.out == a_csum + '\n'
assert captured.err == ''
r6 = dbg_ui(['reverse', a_csum], root)
captured = capsys.readouterr()
assert r6 == 0
assert captured.out == "<tree> " + a + "\n<tree> " + b + "/" + c + "\n"
assert captured.err == ''
r7 = dbg_ui(['reverse', '--all', a_csum], root)
captured = capsys.readouterr()
assert r7 == 0
assert captured.out == "<tree> " + a + "\n<tree> " + b + "/" + c + "\nmysnap " + a + "\nmysnap " + b + "/" + c + "\n"
assert captured.err == ''
r8 = dbg_ui(['reverse', '--snap', 'mysnap', a_csum], root)
captured = capsys.readouterr()
assert r8 == 0
assert captured.out == "mysnap " + a + "\nmysnap " + b + "/" + c + "\n"
assert captured.err == ''
def test_farmdbg_reverse(vol, capsys, a, b, c):
a_path = Path(a, vol)
with a_path.open('w') as a_fd:
a_fd.write('a')
a_csum = str(a_path.checksum())
bc_path = Path(b, vol).join(c)
ensure_copy(bc_path, a_path)
r = farmfs_ui(['freeze'], vol)
captured = capsys.readouterr()
r = farmfs_ui(['snap', 'make', 'mysnap'], vol)
assert r == 0
r = dbg_ui(['walk', 'root'], vol)
captured = capsys.readouterr()
assert r == 0
assert captured.out == ".\tdir\t\n%s\tlink\t%s\n%s\tdir\t\n%s/%s\tlink\t%s\n" % (
a, a_csum, b, b, c, a_csum)
assert captured.err == ''
r = dbg_ui(['walk', 'userdata'], vol)
captured = capsys.readouterr()
assert r == 0
assert captured.out == a_csum + '\n'
assert captured.err == ''
r = dbg_ui(['reverse', a_csum], vol)
captured = capsys.readouterr()
assert r == 0
assert captured.out == "<tree> " + a + "\n<tree> " + b + "/" + c + "\n"
assert captured.err == ''
r = dbg_ui(['reverse', '--all', a_csum], vol)
captured = capsys.readouterr()
assert r == 0
assert captured.out == "<tree> " + a + "\n<tree> " + b + "/" + c + "\nmysnap " + a + "\nmysnap " + b + "/" + c + "\n"
assert captured.err == ''
r = dbg_ui(['reverse', '--snap', 'mysnap', a_csum], vol)
captured = capsys.readouterr()
assert r == 0
assert captured.out == "mysnap " + a + "\nmysnap " + b + "/" + c + "\n"
assert captured.err == ''
def fetch_blob(self, remote, csum):
src_blob = remote.csum_to_path(csum)
dst_blob = self.csum_to_path(csum)
duplicate = dst_blob.exists()
if not duplicate:
ensure_copy(dst_blob, src_blob)