WIP: zfs: hacky resume token parsing

zfs/resume_token_test.go

@@ -0,0 +1,64 @@
+package zfs_test
+
+import (
+	"context"
+	"github.com/stretchr/testify/assert"
+	"github.com/zrepl/zrepl/zfs"
+	"testing"
+)
+
+type ResumeTokenTest struct {
+	Msg         string
+	Token       string
+	ExpectToken *zfs.ResumeToken
+	ExpectError error
+}
+
+func (rtt *ResumeTokenTest) Test(t *testing.T) {
+	t.Log(rtt.Msg)
+	res, err := zfs.ParseResumeToken(context.TODO(), rtt.Token)
+
+	if rtt.ExpectError != nil {
+		assert.EqualValues(t, rtt.ExpectError, err)
+		return
+	}
+	if rtt.ExpectToken != nil {
+		assert.Nil(t, err)
+		assert.EqualValues(t, rtt.ExpectToken, res)
+		return
+	}
+}
+
+func TestParseResumeToken(t *testing.T) {
+
+	tbl := []ResumeTokenTest{
+		{
+			Msg:   "normal send (non-incremental)",
+			Token: `1-bf31b879a-b8-789c636064000310a500c4ec50360710e72765a5269740f80cd8e4d3d28a534b18e00024cf86249f5459925acc802a8facbf243fbd3433858161f5ddb9ab1ae7c7466a20c97382e5f312735319180af2f3730cf58166953824c2cc0200cde81651`,
+			ExpectToken: &zfs.ResumeToken{
+				HasToGUID: true,
+				ToGUID:    0x595d9f81aa9dddab,
+			},
+		},
+		{
+			Msg:   "normal send (incremental)",
+			Token: `1-c49b979a2-e0-789c636064000310a501c49c50360710a715e5e7a69766a63040c1eabb735735ce8f8d5400b2d991d4e52765a5269740f82080219f96569c5ac2000720793624f9a4ca92d46206547964fd25f91057f09e37babb88c9bf5503499e132c9f97989bcac050909f9f63a80f34abc421096616007c881d4c`,
+			ExpectToken: &zfs.ResumeToken{
+				HasToGUID:   true,
+				ToGUID:      0x854f02a2dd32cf0d,
+				HasFromGUID: true,
+				FromGUID:    0x595d9f81aa9dddab,
+			},
+		},
+		{
+			Msg:         "corrupted token",
+			Token:       `1-bf31b879a-b8-789c636064000310a500c4ec50360710e72765a5269740f80cd8e4d3d28a534b18e00024cf86249f5459925acc802a8facbf243fbd3433858161f5ddb9ab1ae7c7466a20c97382e5f312735319180af2f3730cf58166953824c2cc0200cd12345`,
+			ExpectError: zfs.ResumeTokenCorruptError,
+		},
+	}
+
+	for _, test := range tbl {
+		test.Test(t)
+	}
+
+}