move: format/packp -> protocol/packp (#141)

* move: format/packp -> protocol/packp

* format/packp -> protocol/packp
* format/packp/pktline -> format/pktline.

* move: protocol/packp/ulreq/* -> protocol/packp/*

* protocol/packp: rename UlReq types to make them unique.

* * protocol/packp: namespace UlReq encoder.

* protocol/packp: namespace UlReq decoder.

* protocol/packp: fix example names

* move: protocol/packp/advrefs/* -> protocol/packp/*

* further ulreq namespacing

* protocol/packp: namespace AdvRefs types.

1 files changed, 33 insertions, 0 deletions

diff --git a/plumbing/protocol/packp/common_test.go b/plumbing/protocol/packp/common_test.go
new file mode 100644
index 0000000..c055fee
--- /dev/null
+++ b/plumbing/protocol/packp/common_test.go
@@ -0,0 +1,33 @@
+package packp
+
+import (
+	"bytes"
+	"io"
+	"testing"
+
+	"gopkg.in/src-d/go-git.v4/plumbing/format/pktline"
+
+	. "gopkg.in/check.v1"
+)
+
+func Test(t *testing.T) { TestingT(t) }
+
+// returns a byte slice with the pkt-lines for the given payloads.
+func pktlines(c *C, payloads ...string) []byte {
+	var buf bytes.Buffer
+	e := pktline.NewEncoder(&buf)
+
+	err := e.EncodeString(payloads...)
+	c.Assert(err, IsNil, Commentf("building pktlines for %v\n", payloads))
+
+	return buf.Bytes()
+}
+
+func toPktLines(c *C, payloads []string) io.Reader {
+	var buf bytes.Buffer
+	e := pktline.NewEncoder(&buf)
+	err := e.EncodeString(payloads...)
+	c.Assert(err, IsNil)
+
+	return &buf
+}