Cleaner read_bytes and a test case

No longer reads via buffer for unbuffered bytes

1 files changed, 16 insertions, 0 deletions

diff --git a/test/test_sequnpack.py b/test/test_sequnpack.py
index b1b80b2..c763f40 100644
--- a/test/test_sequnpack.py
+++ b/test/test_sequnpack.py
@@ -1,6 +1,7 @@
 #!/usr/bin/env python
 # coding: utf-8
 
+import six
 from msgpack import Unpacker, BufferFull
 import nose
 
@@ -42,5 +43,20 @@ def test_maxbuffersize():
     assert ord('b') == next(unpacker)
 
 
+def test_readbytes():
+    unpacker = Unpacker(read_size=3)
+    unpacker.feed(b'foobar')
+    assert unpacker.unpack() == ord(b'f')
+    assert unpacker.read_bytes(3) == b'oob'
+    assert unpacker.unpack() == ord(b'a')
+    assert unpacker.unpack() == ord(b'r')
+
+    # Test buffer refill
+    unpacker = Unpacker(six.BytesIO(b'foobar'), read_size=3)
+    assert unpacker.unpack() == ord(b'f')
+    assert unpacker.read_bytes(3) == b'oob'
+    assert unpacker.unpack() == ord(b'a')
+    assert unpacker.unpack() == ord(b'r')
+
 if __name__ == '__main__':
     nose.main()