68 lines
2.3 KiB
Python
68 lines
2.3 KiB
Python
import unittest2
|
|
|
|
|
|
class Test_StreamSlice(unittest2.TestCase):
|
|
|
|
def _getTargetClass(self):
|
|
from gcloud.streaming.stream_slice import StreamSlice
|
|
return StreamSlice
|
|
|
|
def _makeOne(self, *args, **kw):
|
|
return self._getTargetClass()(*args, **kw)
|
|
|
|
def test_ctor(self):
|
|
from io import BytesIO
|
|
CONTENT = b'CONTENT GOES HERE'
|
|
MAXSIZE = 4
|
|
stream = BytesIO(CONTENT)
|
|
stream_slice = self._makeOne(stream, MAXSIZE)
|
|
self.assertTrue(stream_slice._stream is stream)
|
|
self.assertEqual(stream_slice._remaining_bytes, MAXSIZE)
|
|
self.assertEqual(stream_slice._max_bytes, MAXSIZE)
|
|
self.assertEqual(len(stream_slice), MAXSIZE)
|
|
self.assertEqual(stream_slice.length, MAXSIZE)
|
|
|
|
def test___nonzero___empty(self):
|
|
from io import BytesIO
|
|
CONTENT = b''
|
|
MAXSIZE = 0
|
|
stream = BytesIO(CONTENT)
|
|
stream_slice = self._makeOne(stream, MAXSIZE)
|
|
self.assertFalse(stream_slice)
|
|
|
|
def test___nonzero___nonempty(self):
|
|
from io import BytesIO
|
|
CONTENT = b'CONTENT GOES HERE'
|
|
MAXSIZE = 4
|
|
stream = BytesIO(CONTENT)
|
|
stream_slice = self._makeOne(stream, MAXSIZE)
|
|
self.assertTrue(stream_slice)
|
|
|
|
def test_read_exhausted(self):
|
|
from io import BytesIO
|
|
from six.moves import http_client
|
|
CONTENT = b''
|
|
MAXSIZE = 4
|
|
stream = BytesIO(CONTENT)
|
|
stream_slice = self._makeOne(stream, MAXSIZE)
|
|
with self.assertRaises(http_client.IncompleteRead):
|
|
stream_slice.read()
|
|
|
|
def test_read_implicit_size(self):
|
|
from io import BytesIO
|
|
CONTENT = b'CONTENT GOES HERE'
|
|
MAXSIZE = 4
|
|
stream = BytesIO(CONTENT)
|
|
stream_slice = self._makeOne(stream, MAXSIZE)
|
|
self.assertEqual(stream_slice.read(), CONTENT[:MAXSIZE])
|
|
self.assertEqual(stream_slice._remaining_bytes, 0)
|
|
|
|
def test_read_explicit_size(self):
|
|
from io import BytesIO
|
|
CONTENT = b'CONTENT GOES HERE'
|
|
MAXSIZE = 4
|
|
SIZE = 3
|
|
stream = BytesIO(CONTENT)
|
|
stream_slice = self._makeOne(stream, MAXSIZE)
|
|
self.assertEqual(stream_slice.read(SIZE), CONTENT[:SIZE])
|
|
self.assertEqual(stream_slice._remaining_bytes, MAXSIZE - SIZE)
|