Initial commit

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>

models/v/vidmod/payment_guide_test.go

@@ -0,0 +1,31 @@
+package vidmod
+
+import (
+	"reflect"
+	"testing"
+
+	"go.mongodb.org/mongo-driver/bson"
+)
+
+func TestLatestVIPContentFilter(t *testing.T) {
+	excluded := []string{"module-a", "module-b"}
+	got := latestVIPContentFilter(excluded)
+	want := bson.M{
+		"status":     CheckPass,
+		"newsType":   bson.M{"$in": []string{SP, SHORT}},
+		"coins":      0,
+		"freeArea":   bson.M{"$ne": true},
+		"recoWeight": bson.M{"$ne": -1},
+		"mId":        bson.M{"$nin": excluded},
+	}
+	if !reflect.DeepEqual(got, want) {
+		t.Fatalf("latestVIPContentFilter() = %#v, want %#v", got, want)
+	}
+}
+
+func TestLatestVIPContentFilterWithoutExcludedModules(t *testing.T) {
+	got := latestVIPContentFilter(nil)
+	if _, exists := got["mId"]; exists {
+		t.Fatalf("mId filter must be absent when no modules are excluded: %#v", got)
+	}
+}