def test_eof(self):
with self.get_raw_buffer() as data_file:
chunk = RawIOChunk(data_file,
len(self.STRINGS[2]) + 1,
len(self.STRINGS[0]) + len(self.STRINGS[1]))
with assert_raises(EOFError):
chunk.read()
chunk.seek(0)
eq_(chunk.read(chunk.size - 1), self.STRINGS[2])
with assert_raises(EOFError):
chunk.read(1)
def test_seek(self):
with self.get_raw_buffer() as data_file:
chunk = RawIOChunk(data_file, len(self.STRINGS[1]),
len(self.STRINGS[0]))
eq_(chunk.seek(1), 1)
eq_(chunk.tell(), 1)
eq_(chunk.seek(1, SEEK_CUR), 2)
eq_(chunk.tell(), 2)
eq_(chunk.seek(-1, SEEK_END), len(self.STRINGS[1]) - 1)
eq_(chunk.tell(), len(self.STRINGS[1]) - 1)
eq_(chunk.seek(0), 0)
eq_(chunk.read(), self.STRINGS[1])
eq_(chunk.seek(0), 0)
eq_(chunk.read(), self.STRINGS[1])