def test_read_write_same_file(tmpdir):
repo = FileSystemRepository(str(tmpdir))
repo.write(['key'], itertools.repeat(b'first revision\n', 1024))
first_iterator = iter(repo.read(['key']))
second_iterator = iter(repo.read(['key']))
assert first_iterator is not second_iterator
first_stop = False
second_stop = False
first_list = []
second_list = []
while not (first_stop or second_stop):
if not first_stop:
try:
first_chunk = next(first_iterator)
except StopIteration:
first_stop = True
else:
if not first_list:
repo.write(['key'], [b'second ', b'revision'])
third_iterator = repo.read(['key'])
first_list.append(first_chunk)
if not second_stop:
try:
second_chunk = next(second_iterator)
except StopIteration:
second_stop = True
else:
second_list.append(second_chunk)
assert (b''.join(first_list) ==
b''.join(second_list) ==
b''.join(itertools.repeat(b'first revision\n', 1024)))
assert b''.join(third_iterator) == b'second revision'
def test_atomicity(tmpdir):
repo = FileSystemRepository(str(tmpdir), atomic=True)
repo.write(['key'], [b'first ', b'revision'])
def gen():
assert b''.join(repo.read(['key'])) == b'first revision'
yield b'second '
assert b''.join(repo.read(['key'])) == b'first revision'
yield b'revision'
assert b''.join(repo.read(['key'])) == b'first revision'
repo.write(['key'], gen())
assert b''.join(repo.read(['key'])) == b'second revision'
def test_atomicity(tmpdir):
repo = FileSystemRepository(str(tmpdir), atomic=True)
repo.write(['key'], [b'first ', b'revision'])
def gen():
assert b''.join(repo.read(['key'])) == b'first revision'
yield b'second '
assert b''.join(repo.read(['key'])) == b'first revision'
yield b'revision'
assert b''.join(repo.read(['key'])) == b'first revision'
repo.write(['key'], gen())
assert b''.join(repo.read(['key'])) == b'second revision'
def test_file_write(tmpdir):
f = FileSystemRepository(str(tmpdir))
f.write(['key'], [b'file ', b'content'])
assert tmpdir.join('key').read() == 'file content'
f.write(['dir', 'dir2', 'key'], [b'deep ', b'file ', b'content'])
assert tmpdir.join('dir', 'dir2', 'key').read() == 'deep file content'
with raises(RepositoryKeyError):
f.write([], [b'file ', b'content'])
def test_file_write(tmpdir):
f = FileSystemRepository(str(tmpdir))
f.write(['key'], [b'file ', b'content'])
assert tmpdir.join('key').read() == 'file content'
f.write(['dir', 'dir2', 'key'], [b'deep ', b'file ', b'content'])
assert tmpdir.join('dir', 'dir2', 'key').read() == 'deep file content'
with raises(RepositoryKeyError):
f.write([], [b'file ', b'content'])