fix: error if rule has no regex or path

lib/config_test.go

@@ -192,6 +192,26 @@ cors:
 }
 
 func TestConfigRules(t *testing.T) {
+	t.Run("Only Regex or Path", func(t *testing.T) {
+		content := `
+directory: /
+rules:
+  - regex: '^.+\.js$'
+    path: /public/access/`
+
+		writeAndParseConfigWithError(t, content, ".yaml", "cannot define both regex and path")
+	})
+
+	t.Run("Regex or Path Required", func(t *testing.T) {
+		content := `
+directory: /
+rules:
+  - permissions: CRUD`
+
+		writeAndParseConfigWithError(t, content, ".yaml", "must either define a path of a regex")
+	})
+
+	t.Run("Parse", func(t *testing.T) {
 		content := `
 directory: /
 rules:
@@ -210,6 +230,8 @@ rules:
 
 		require.NotEmpty(t, cfg.Rules[1].Path)
 		require.Nil(t, cfg.Rules[1].Regex)
+	})
+
 }
 
 func TestConfigEnv(t *testing.T) {

lib/permissions.go

@@ -16,6 +16,10 @@ type Rule struct {
 }
 
 func (r *Rule) Validate() error {
+	if r.Regex == nil && r.Path == "" {
+		return errors.New("invalid rule: must either define a path of a regex")
+	}
+
 	if r.Regex != nil && r.Path != "" {
 		return errors.New("invalid rule: cannot define both regex and path")
 	}