# Copyright 2010-2024 The pygit2 contributors
#
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# it under the terms of the GNU General Public License, version 2,
# as published by the Free Software Foundation.
#
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# the authors give you unlimited permission to link the compiled
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# General Public License for more details.
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"""Tests for Object ids."""

# Standard Library
from binascii import unhexlify

from pygit2 import Oid
import pytest


HEX = '15b648aec6ed045b5ca6f57f8b7831a8b4757298'
RAW = unhexlify(HEX.encode('ascii'))


def test_raw():
    oid = Oid(raw=RAW)
    assert oid.raw == RAW
    assert oid == HEX


def test_hex():
    oid = Oid(hex=HEX)
    assert oid.raw == RAW
    assert oid == HEX


def test_hex_bytes():
    hex = bytes(HEX, 'ascii')
    with pytest.raises(TypeError):
        Oid(hex=hex)


def test_none():
    with pytest.raises(ValueError):
        Oid()


def test_both():
    with pytest.raises(ValueError):
        Oid(raw=RAW, hex=HEX)


def test_long():
    with pytest.raises(ValueError):
        Oid(raw=RAW + b'a')
    with pytest.raises(ValueError):
        Oid(hex=HEX + 'a')


def test_cmp():
    oid1 = Oid(raw=RAW)

    # Equal
    oid2 = Oid(hex=HEX)
    assert oid1 == oid2

    # Not equal
    oid2 = Oid(hex='15b648aec6ed045b5ca6f57f8b7831a8b4757299')
    assert oid1 != oid2

    # Other
    assert oid1 < oid2
    assert oid1 <= oid2
    assert not oid1 == oid2
    assert not oid1 > oid2
    assert not oid1 >= oid2


def test_hash():
    s = set()
    s.add(Oid(raw=RAW))
    s.add(Oid(hex=HEX))
    assert len(s) == 1

    s.add(Oid(hex='0000000000000000000000000000000000000000'))
    s.add(Oid(hex='0000000000000000000000000000000000000001'))
    assert len(s) == 3
