From 5dbf57134000f5ff2c5c12342ac4439b6d395603 Mon Sep 17 00:00:00 2001
From: Paul Duncan <pabs@pablotron.org>
Date: Tue, 1 Feb 2022 07:56:12 -0500
Subject: internal/feed: add nodeop tests
---
internal/feed/feed.go | 31 +----------------
internal/feed/nodeop.go | 39 +++++++++++++++++++++
internal/feed/nodeop_string.go | 24 +++++++++++++
internal/feed/nodeop_test.go | 77 ++++++++++++++++++++++++++++++++++++++++++
4 files changed, 141 insertions(+), 30 deletions(-)
create mode 100644 internal/feed/nodeop.go
create mode 100644 internal/feed/nodeop_string.go
create mode 100644 internal/feed/nodeop_test.go
(limited to 'internal/feed')
diff --git a/internal/feed/feed.go b/internal/feed/feed.go
index cf0fd2d..93a4a8f 100644
--- a/internal/feed/feed.go
+++ b/internal/feed/feed.go
@@ -7,10 +7,7 @@ import (
)
const (
- OrNodeOp = iota // OR operator
- AndNodeOp // And operator
-
- AdjacentNetwork // Adjacent Network attack vector.
+ AdjacentNetwork = iota // Adjacent Network attack vector.
Network // Network attack vector.
Local // Local attack vector.
Physical // Physical attack vector.
@@ -38,32 +35,6 @@ const (
// TODO: parse cpe
-// Configuration node boolean operator.
-type NodeOp int
-
-// Unmarshal DataVersion from JSON.
-func (me *NodeOp) 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 "AND":
- *me = AndNodeOp
- case "OR":
- *me = OrNodeOp
- default:
- // return error
- return fmt.Errorf("unknown operator: %s", s)
- }
-
- // return success
- return nil
-}
-
// CVSS attack vector
type AttackVector int
diff --git a/internal/feed/nodeop.go b/internal/feed/nodeop.go
new file mode 100644
index 0000000..8bfa0a0
--- /dev/null
+++ b/internal/feed/nodeop.go
@@ -0,0 +1,39 @@
+package feed
+
+//go:generate stringer -linecomment -type=NodeOp
+
+import (
+ "encoding/json"
+ "fmt"
+)
+
+// Node boolean operator.
+type NodeOp byte
+
+const (
+ OrOp NodeOp = iota // OR
+ AndOp // AND
+)
+
+// Unmarshal DataVersion from JSON.
+func (me *NodeOp) 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 "AND":
+ *me = AndOp
+ case "OR":
+ *me = OrOp
+ default:
+ // return error
+ return fmt.Errorf("unknown operator: %s", s)
+ }
+
+ // return success
+ return nil
+}
diff --git a/internal/feed/nodeop_string.go b/internal/feed/nodeop_string.go
new file mode 100644
index 0000000..2c120d4
--- /dev/null
+++ b/internal/feed/nodeop_string.go
@@ -0,0 +1,24 @@
+// Code generated by "stringer -linecomment -type=NodeOp"; 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[OrOp-0]
+ _ = x[AndOp-1]
+}
+
+const _NodeOp_name = "ORAND"
+
+var _NodeOp_index = [...]uint8{0, 2, 5}
+
+func (i NodeOp) String() string {
+ if i >= NodeOp(len(_NodeOp_index)-1) {
+ return "NodeOp(" + strconv.FormatInt(int64(i), 10) + ")"
+ }
+ return _NodeOp_name[_NodeOp_index[i]:_NodeOp_index[i+1]]
+}
diff --git a/internal/feed/nodeop_test.go b/internal/feed/nodeop_test.go
new file mode 100644
index 0000000..dd538e5
--- /dev/null
+++ b/internal/feed/nodeop_test.go
@@ -0,0 +1,77 @@
+package feed
+
+import (
+ "encoding/json"
+ "testing"
+)
+
+func TestNodeOpUnmarshalInvalidData(t *testing.T) {
+ test := []byte(`{}`)
+ var val NodeOp
+
+ if err := json.Unmarshal(test, &val); err == nil {
+ t.Errorf("got \"%s\", exp error", val)
+ }
+}
+
+func TestNodeOpUnmarshalUnknown(t *testing.T) {
+ test := []byte(`"foo"`)
+ exp := "unknown operator: foo"
+ var val NodeOp
+
+ 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 TestNodeOpUnmarshalValid(t *testing.T) {
+ tests := []struct {
+ val string
+ exp NodeOp
+ } {
+ { "\"AND\"", AndOp },
+ { "\"OR\"", OrOp },
+ }
+
+ for _, test := range(tests) {
+ t.Run(test.val, func(t *testing.T) {
+ var got NodeOp
+ 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 TestNodeOpString(t *testing.T) {
+ tests := []struct {
+ val NodeOp
+ exp string
+ } {
+ { AndOp, "AND" },
+ { OrOp, "OR" },
+
+ { NodeOp(255), "NodeOp(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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