protocol/packp: UploadPackResponse implementation (#161)

* plumbing/protocol: paktp avoid duplication of haves, wants and shallow

* protocol/pakp: UploadPackResponse implementation

* changes

* changes

* changes

* debug

* changes

1 files changed, 48 insertions, 0 deletions

diff --git a/plumbing/protocol/packp/srvresp_test.go b/plumbing/protocol/packp/srvresp_test.go
new file mode 100644
index 0000000..6078855
--- /dev/null
+++ b/plumbing/protocol/packp/srvresp_test.go
@@ -0,0 +1,48 @@
+package packp
+
+import (
+	"bytes"
+
+	"gopkg.in/src-d/go-git.v4/plumbing"
+
+	. "gopkg.in/check.v1"
+)
+
+type ServerResponseSuite struct{}
+
+var _ = Suite(&ServerResponseSuite{})
+
+func (s *ServerResponseSuite) TestDecodeNAK(c *C) {
+	raw := "0008NAK\n"
+
+	sr := &ServerResponse{}
+	err := sr.Decode(bytes.NewBufferString(raw), false)
+	c.Assert(err, IsNil)
+
+	c.Assert(sr.ACKs, HasLen, 0)
+}
+
+func (s *ServerResponseSuite) TestDecodeACK(c *C) {
+	raw := "0031ACK 6ecf0ef2c2dffb796033e5a02219af86ec6584e5\n"
+
+	sr := &ServerResponse{}
+	err := sr.Decode(bytes.NewBufferString(raw), false)
+	c.Assert(err, IsNil)
+
+	c.Assert(sr.ACKs, HasLen, 1)
+	c.Assert(sr.ACKs[0], Equals, plumbing.NewHash("6ecf0ef2c2dffb796033e5a02219af86ec6584e5"))
+}
+
+func (s *ServerResponseSuite) TestDecodeMalformed(c *C) {
+	raw := "0029ACK 6ecf0ef2c2dffb796033e5a02219af86ec6584e\n"
+
+	sr := &ServerResponse{}
+	err := sr.Decode(bytes.NewBufferString(raw), false)
+	c.Assert(err, NotNil)
+}
+
+func (s *ServerResponseSuite) TestDecodeMultiACK(c *C) {
+	sr := &ServerResponse{}
+	err := sr.Decode(bytes.NewBuffer(nil), true)
+	c.Assert(err, NotNil)
+}