def test_fread(self):
sb = StringBuffer(16)
with TemporaryFile('w+b') as f:
fd = f.fileno()
f.write('hello world\n')
f.seek(0)
sb.fread(fd, 8)
sb.seek(0)
self.assertEquals(sb.raw_read(8), 'hello wo')
def create_datatype(self, dtype_class):
with TemporaryFile('w+b') as f:
dtype_h = dtype_class()
sb = dtype_h.serialize()
sb.fwrite(f.fileno())
f.seek(0)
sb = StringBuffer(16)
sb.fread(f.fileno())
sb.seek(0)
dtype_h = MFSObjectHeader.deserialize(sb)
self.assertIsInstance(dtype_h, DatatypeHeader)
def create_datatype(self, dtype_class):
with TemporaryFile('w+b') as f:
dtype_h = dtype_class()
sb = dtype_h.serialize()
sb.fwrite(f.fileno())
f.seek(0)
sb = StringBuffer(16)
sb.fread(f.fileno())
sb.seek(0)
dtype_h = MFSObjectHeader.deserialize(sb)
self.assertIsInstance(dtype_h, DatatypeHeader)
def header_check(self, f, dtype_h, datatype, flags, size, total_size):
sb = dtype_h.serialize()
sb.fwrite(f.fileno())
f.seek(0)
sb = StringBuffer(16)
sb.fread(f.fileno())
sb.seek(0)
dtype_h = MFSObjectHeader.deserialize(sb)
self.assertIsInstance(dtype_h, DatatypeHeader)
self.assertEquals(dtype_h.datatype, datatype)
self.assertEquals(dtype_h.flags, flags)
self.assertEquals(dtype_h.size, size)
self.assertEquals(dtype_h.total_size, total_size)
def header_check(self, f, dtype_h, datatype, flags, size, total_size):
sb = dtype_h.serialize()
sb.fwrite(f.fileno())
f.seek(0)
sb = StringBuffer(16)
sb.fread(f.fileno())
sb.seek(0)
dtype_h = MFSObjectHeader.deserialize(sb)
self.assertIsInstance(dtype_h, DatatypeHeader)
self.assertEquals(dtype_h.datatype, datatype)
self.assertEquals(dtype_h.flags, flags)
self.assertEquals(dtype_h.size, size)
self.assertEquals(dtype_h.total_size, total_size)
