From 5352b6155f7baa772ee676b505cc429976f7d854 Mon Sep 17 00:00:00 2001
From: Paul Duncan <pabs@pablotron.org>
Date: Tue, 1 Feb 2022 13:57:27 -0500
Subject: internal/feed: add v2accessvector, v2accessvector tests
---
internal/feed/feed.go | 33 --------------
internal/feed/v2accessvector.go | 42 ++++++++++++++++++
internal/feed/v2accessvector_string.go | 25 +++++++++++
internal/feed/v2accessvector_test.go | 79 ++++++++++++++++++++++++++++++++++
4 files changed, 146 insertions(+), 33 deletions(-)
create mode 100644 internal/feed/v2accessvector.go
create mode 100644 internal/feed/v2accessvector_string.go
create mode 100644 internal/feed/v2accessvector_test.go
(limited to 'internal')
diff --git a/internal/feed/feed.go b/internal/feed/feed.go
index 40e385d..aa5fd08 100644
--- a/internal/feed/feed.go
+++ b/internal/feed/feed.go
@@ -21,39 +21,6 @@ const (
// TODO: parse cpe
-type V2AccessVector byte
-
-const (
- V2AVAdjacentNetwork V2AccessVector = iota
- V2AVLocal
- V2AVNetwork
-)
-
-// Unmarshal CVSS V2 access vector from JSON.
-func (me *V2AccessVector) UnmarshalJSON(b []byte) error {
- // decode string, check for error
- var s string
- if err := json.Unmarshal(b, &s); err != nil {
- return err
- }
-
- // check value
- switch s {
- case "ADJACENT_NETWORK":
- *me = V2AVAdjacentNetwork
- case "LOCAL":
- *me = V2AVLocal
- case "NETWORK":
- *me = V2AVNetwork
- default:
- // return error
- return fmt.Errorf("unknown CVSS v2 access vector: %s", s)
- }
-
- // return success
- return nil
-}
-
// CVSS V2 attack complexity
type AccessComplexity int
diff --git a/internal/feed/v2accessvector.go b/internal/feed/v2accessvector.go
new file mode 100644
index 0000000..80490c2
--- /dev/null
+++ b/internal/feed/v2accessvector.go
@@ -0,0 +1,42 @@
+package feed
+
+//go:generate stringer -linecomment -type=V2AccessVector
+
+import (
+ "encoding/json"
+ "fmt"
+)
+
+type V2AccessVector byte
+
+const (
+ V2AVAdjacentNetwork V2AccessVector = iota // ADJACENT_NETWORK
+ V2AVLocal // LOCAL
+ V2AVNetwork // NETWORK
+)
+
+// Unmarshal CVSS V2 access vector from JSON.
+func (me *V2AccessVector) UnmarshalJSON(b []byte) error {
+ // decode string, check for error
+ var s string
+ if err := json.Unmarshal(b, &s); err != nil {
+ return err
+ }
+
+ // check value
+ switch s {
+ case "ADJACENT_NETWORK":
+ *me = V2AVAdjacentNetwork
+ case "LOCAL":
+ *me = V2AVLocal
+ case "NETWORK":
+ *me = V2AVNetwork
+ default:
+ // return error
+ return fmt.Errorf("unknown CVSS v2 access vector: %s", s)
+ }
+
+ // return success
+ return nil
+}
+
diff --git a/internal/feed/v2accessvector_string.go b/internal/feed/v2accessvector_string.go
new file mode 100644
index 0000000..bf354fc
--- /dev/null
+++ b/internal/feed/v2accessvector_string.go
@@ -0,0 +1,25 @@
+// Code generated by "stringer -linecomment -type=V2AccessVector"; DO NOT EDIT.
+
+package feed
+
+import "strconv"
+
+func _() {
+ // An "invalid array index" compiler error signifies that the constant values have changed.
+ // Re-run the stringer command to generate them again.
+ var x [1]struct{}
+ _ = x[V2AVAdjacentNetwork-0]
+ _ = x[V2AVLocal-1]
+ _ = x[V2AVNetwork-2]
+}
+
+const _V2AccessVector_name = "ADJACENT_NETWORKLOCALNETWORK"
+
+var _V2AccessVector_index = [...]uint8{0, 16, 21, 28}
+
+func (i V2AccessVector) String() string {
+ if i >= V2AccessVector(len(_V2AccessVector_index)-1) {
+ return "V2AccessVector(" + strconv.FormatInt(int64(i), 10) + ")"
+ }
+ return _V2AccessVector_name[_V2AccessVector_index[i]:_V2AccessVector_index[i+1]]
+}
diff --git a/internal/feed/v2accessvector_test.go b/internal/feed/v2accessvector_test.go
new file mode 100644
index 0000000..6e0df24
--- /dev/null
+++ b/internal/feed/v2accessvector_test.go
@@ -0,0 +1,79 @@
+package feed
+
+import (
+ "encoding/json"
+ "testing"
+)
+
+func TestV2AccessVectorUnmarshalInvalidData(t *testing.T) {
+ test := []byte(`{}`)
+ var val V2AccessVector
+
+ if err := json.Unmarshal(test, &val); err == nil {
+ t.Errorf("got \"%s\", exp error", val)
+ }
+}
+
+func TestV2AccessVectorUnmarshalUnknown(t *testing.T) {
+ test := []byte(`"foo"`)
+ exp := "unknown CVSS v2 access vector: foo"
+ var val V2AccessVector
+
+ err := json.Unmarshal(test, &val)
+ if err == nil {
+ t.Errorf("got \"%s\", exp error", val)
+ return
+ }
+
+ if err.Error() != exp {
+ t.Errorf("got \"%s\", exp \"%s\"", err.Error(), exp)
+ }
+}
+
+func TestV2AccessVectorUnmarshalValid(t *testing.T) {
+ tests := []struct {
+ val string
+ exp V2AccessVector
+ } {
+ { "\"ADJACENT_NETWORK\"", V2AVAdjacentNetwork },
+ { "\"LOCAL\"", V2AVLocal },
+ { "\"NETWORK\"", V2AVNetwork },
+ }
+
+ for _, test := range(tests) {
+ t.Run(test.val, func(t *testing.T) {
+ var got V2AccessVector
+ if err := json.Unmarshal([]byte(test.val), &got); err != nil {
+ t.Error(err)
+ return
+ }
+
+ if got != test.exp {
+ t.Errorf("got \"%s\", exp \"%s\"", got, test.exp)
+ }
+ })
+ }
+}
+
+func TestV2AccessVectorString(t *testing.T) {
+ tests := []struct {
+ val V2AccessVector
+ exp string
+ } {
+ { V2AVAdjacentNetwork, "ADJACENT_NETWORK" },
+ { V2AVLocal, "LOCAL" },
+ { V2AVNetwork, "NETWORK" },
+
+ { V2AccessVector(255), "V2AccessVector(255)" },
+ }
+
+ for _, test := range(tests) {
+ t.Run(test.exp, func(t *testing.T) {
+ got := test.val.String()
+
+ if got != test.exp {
+ t.Errorf("got \"%s\", exp \"%s\"", got, test.exp)
+ }
+ })
+ }
+}
--
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