feat: dedupe MATCH

internal/corecfg/manager_test.go

@@ -0,0 +1,33 @@
+package corecfg
+
+import (
+	"reflect"
+	"testing"
+)
+
+func TestDedupeMatchRule(t *testing.T) {
+	rules := []interface{}{
+		"DOMAIN,example.com,sub-a | Proxy",
+		"MATCH,sub-a | Auto",
+		"DOMAIN,other.com,sub-b | Proxy",
+		"MATCH,sub-b | Auto",
+	}
+
+	got := dedupeMatchRule(rules)
+
+	want := []interface{}{
+		"DOMAIN,example.com,sub-a | Proxy",
+		"DOMAIN,other.com,sub-b | Proxy",
+		"MATCH,all proxies",
+	}
+
+	if !reflect.DeepEqual(got, want) {
+		t.Fatalf("got %#v, want %#v", got, want)
+	}
+}
+
+func TestDedupeMatchRuleNonList(t *testing.T) {
+	if got := dedupeMatchRule(nil); got != nil {
+		t.Fatalf("expected nil passthrough, got %#v", got)
+	}
+}