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from io import BytesIO
import codecs
import pytest
import pygit2
from pygit2.enums import BlobFilter
from pygit2.errors import Passthrough
def _rot13(data):
return codecs.encode(data.decode('utf-8'), 'rot_13').encode('utf-8')
class _Rot13Filter(pygit2.Filter):
attributes = 'text'
def write(self, data, src, write_next):
return super().write(_rot13(data), src, write_next)
class _BufferedFilter(pygit2.Filter):
attributes = 'text'
def __init__(self):
super().__init__()
self.buf = BytesIO()
def write(self, data, src, write_next):
self.buf.write(data)
def close(self, write_next):
write_next(_rot13(self.buf.getvalue()))
class _PassthroughFilter(_Rot13Filter):
def check(self, src, attr_values):
assert attr_values == [None]
assert src.repo
raise Passthrough
class _UnmatchedFilter(_Rot13Filter):
attributes = 'filter=rot13'
@pytest.fixture
def rot13_filter():
pygit2.filter_register('rot13', _Rot13Filter)
yield
pygit2.filter_unregister('rot13')
@pytest.fixture
def passthrough_filter():
pygit2.filter_register('passthrough-rot13', _PassthroughFilter)
yield
pygit2.filter_unregister('passthrough-rot13')
@pytest.fixture
def buffered_filter():
pygit2.filter_register('buffered-rot13', _BufferedFilter)
yield
pygit2.filter_unregister('buffered-rot13')
@pytest.fixture
def unmatched_filter():
pygit2.filter_register('unmatched-rot13', _UnmatchedFilter)
yield
pygit2.filter_unregister('unmatched-rot13')
def test_filter(testrepo, rot13_filter):
blob_oid = testrepo.create_blob_fromworkdir('bye.txt')
blob = testrepo[blob_oid]
flags = BlobFilter.CHECK_FOR_BINARY | BlobFilter.ATTRIBUTES_FROM_HEAD
assert b'olr jbeyq\n' == blob.data
with pygit2.BlobIO(blob) as reader:
assert b'olr jbeyq\n' == reader.read()
with pygit2.BlobIO(blob, as_path='bye.txt', flags=flags) as reader:
assert b'bye world\n' == reader.read()
def test_filter_buffered(testrepo, buffered_filter):
blob_oid = testrepo.create_blob_fromworkdir('bye.txt')
blob = testrepo[blob_oid]
flags = BlobFilter.CHECK_FOR_BINARY | BlobFilter.ATTRIBUTES_FROM_HEAD
assert b'olr jbeyq\n' == blob.data
with pygit2.BlobIO(blob) as reader:
assert b'olr jbeyq\n' == reader.read()
with pygit2.BlobIO(blob, 'bye.txt', flags=flags) as reader:
assert b'bye world\n' == reader.read()
def test_filter_passthrough(testrepo, passthrough_filter):
blob_oid = testrepo.create_blob_fromworkdir('bye.txt')
blob = testrepo[blob_oid]
flags = BlobFilter.CHECK_FOR_BINARY | BlobFilter.ATTRIBUTES_FROM_HEAD
assert b'bye world\n' == blob.data
with pygit2.BlobIO(blob) as reader:
assert b'bye world\n' == reader.read()
with pygit2.BlobIO(blob, 'bye.txt', flags=flags) as reader:
assert b'bye world\n' == reader.read()
def test_filter_unmatched(testrepo, unmatched_filter):
blob_oid = testrepo.create_blob_fromworkdir('bye.txt')
blob = testrepo[blob_oid]
flags = BlobFilter.CHECK_FOR_BINARY | BlobFilter.ATTRIBUTES_FROM_HEAD
assert b'bye world\n' == blob.data
with pygit2.BlobIO(blob) as reader:
assert b'bye world\n' == reader.read()
with pygit2.BlobIO(blob, as_path='bye.txt', flags=flags) as reader:
assert b'bye world\n' == reader.read()
def test_filter_cleanup(dirtyrepo, rot13_filter):
# Indirectly test that pygit2_filter_cleanup has the GIL
# before calling pygit2_filter_payload_free.
dirtyrepo.diff()
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