def test_apply_patch_ok_revert_stange(media_path):
path = os.path.join(media_path, 'test.bin')
fpp = BytesIO(b'''= 1
+ 1 | 9
- 1 | 2
= 2
'''.replace(b'\n', b'\n\n').replace(b' | ', b'\n\n'))
with open(path, 'wb') as fp2:
patch.apply_patch(
BytesIO(b'1934'),
fp2,
fpp,
revert=True,
headers={
'1-sha256sum':
'03ac674216f3e15c761ee1a5e255f067953623c8b388b4459e13f978d7c846f4',
'2-sha256sum':
'914c948388ae30bdb0179a2f7bc91836d6af004171af735188fc1b69c286c864',
})
with open(path, 'rb') as fp:
data_actual = fp.read()
assert data_actual == b'1234'
def test_apply_patch_ok_stange(media_path):
# Далее проверяется кривые патчи, когда сперва идёт +, а только потом -.
# abindiff такие патчи не создаёт, но проверить не помешает (при revert
# патчи по сути получаются такие). Также эти тесты демонстрируют, что +
# означает не добавление, а замену куска данных в случае inplace
# (в отличие от классических текстовых диффов)
# FIXME: вариант, когда минуса вообще нет, хорошо бы тоже поддерживать,
# но на данный момент не поддерживается
path = os.path.join(media_path, 'test.bin')
fpp = BytesIO(b'''= 1
+ 1 | 9
- 1 | 2
= 2
'''.replace(b'\n', b'\n\n').replace(b' | ', b'\n\n'))
with open(path, 'wb') as fp2:
patch.apply_patch(
BytesIO(b'1234'),
fp2,
fpp,
headers={
'1-sha256sum':
'03ac674216f3e15c761ee1a5e255f067953623c8b388b4459e13f978d7c846f4',
'2-sha256sum':
'914c948388ae30bdb0179a2f7bc91836d6af004171af735188fc1b69c286c864',
})
with open(path, 'rb') as fp:
data_actual = fp.read()
assert data_actual == b'1934'
def test_apply_patch_empty_fail_hashsum():
fp1 = BytesIO()
fp2 = BytesIO()
fpp = BytesIO(
b'abindiff 001\n'
b'1-sha256sum: e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855\n'
b'2-sha256sum: e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b85f\n'
b'\n')
with pytest.raises(ValueError):
patch.apply_patch(fp1, fp2, fpp, check_hashsum=True)
def test_apply_patch_empty():
fp1 = BytesIO()
fp2 = BytesIO()
fpp = BytesIO(
b'abindiff 001\n'
b'1-sha256sum: e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855\n'
b'2-sha256sum: e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855\n'
b'\n')
patch.apply_patch(fp1, fp2, fpp, check_hashsum=True)
assert fp2.getvalue() == b''
def test_apply_patch_revert_fail_short(data_path):
with open(os.path.join(data_path, 'new', 'unicode_file.txt'),
'rb') as rfp1:
fp1 = BytesIO(rfp1.read())
with open(
os.path.join(data_path, 'patch_short',
'unicode_file.txt.abindiff'), 'rb') as rfpp:
fpp = BytesIO(rfpp.read())
fp2 = BytesIO()
with pytest.raises(ValueError):
patch.apply_patch(fp1, fp2, fpp, revert=True)
def test_apply_patch_revert_ok_full(data_path):
with open(os.path.join(data_path, 'new', 'unicode_file.txt'),
'rb') as rfp1:
fp1 = BytesIO(rfp1.read())
with open(
os.path.join(data_path, 'patch_full', 'unicode_file.txt.abindiff'),
'rb') as rfpp:
fpp = BytesIO(rfpp.read())
fp2 = BytesIO()
patch.apply_patch(fp1, fp2, fpp, revert=True)
assert fp2.getvalue() == 'Вася\n'.encode('utf-8')
def test_apply_patch_ok_short(data_path):
with open(os.path.join(data_path, 'old', 'unicode_file.txt'),
'rb') as rfp1:
fp1 = BytesIO(rfp1.read())
with open(
os.path.join(data_path, 'patch_short',
'unicode_file.txt.abindiff'), 'rb') as rfpp:
fpp = BytesIO(rfpp.read())
fp2 = BytesIO()
patch.apply_patch(fp1, fp2, fpp)
assert fp2.getvalue() == 'Петя\n'.encode('utf-8')
def test_apply_patch_fail_invalid_new_hash(data_path):
with open(os.path.join(data_path, 'old', 'unicode_file.txt'),
'rb') as rfp1:
fp1 = BytesIO(rfp1.read())
with open(
os.path.join(data_path, 'patch_full', 'unicode_file.txt.abindiff'),
'rb') as rfpp:
fpp = BytesIO(rfpp.read().replace(b'2-sha256sum: 7',
b'2-sha256sum: f'))
fp2 = BytesIO()
with pytest.raises(ValueError) as excinfo:
patch.apply_patch(fp1, fp2, fpp)
assert str(excinfo.value) == 'sha256sum of new file is not equal'
def test_apply_patch_ok_empty_hash(data_path):
with open(os.path.join(data_path, 'old', 'unicode_file.txt'),
'rb') as rfp1:
fp1 = BytesIO(rfp1.read())
with open(
os.path.join(data_path, 'patch_full', 'unicode_file.txt.abindiff'),
'rb') as rfpp:
fpp = BytesIO(rfpp.read().replace(b'1-sha256sum:',
b'1-sha000sum:').replace(
b'2-sha256sum: 7',
b'2-sha000sum: f'))
fp2 = BytesIO()
patch.apply_patch(fp1, fp2, fpp)
assert fp2.getvalue() == 'Петя\n'.encode('utf-8')
def test_apply_patch_fail_empty_hash_if_force_check(data_path):
with open(os.path.join(data_path, 'old', 'unicode_file.txt'),
'rb') as rfp1:
fp1 = BytesIO(rfp1.read())
with open(
os.path.join(data_path, 'patch_full', 'unicode_file.txt.abindiff'),
'rb') as rfpp:
fpp = BytesIO(rfpp.read().replace(b'1-sha256sum:',
b'1-sha000sum:').replace(
b'2-sha256sum:',
b'2-sha000sum:'))
fp2 = BytesIO()
with pytest.raises(ValueError) as excinfo:
patch.apply_patch(fp1, fp2, fpp, check_hashsum=True)
assert str(excinfo.value) == 'This patch has no checksums'