Sub2API v1.0 - AI API 网关（二开初始版本，基于上游 Wei-Shaw/sub2api）

backend/internal/service/redeem_service_batch_update_test.go

@@ -0,0 +1,75 @@
+//go:build unit
+
+package service
+
+import (
+	"context"
+	"testing"
+	"time"
+
+	infraerrors "github.com/Wei-Shaw/sub2api/internal/pkg/errors"
+	"github.com/stretchr/testify/require"
+)
+
+func TestRedeemService_BatchUpdate_PartialFields(t *testing.T) {
+	status := StatusDisabled
+	notes := "maintenance window"
+	expiresAt := time.Now().UTC().Add(24 * time.Hour)
+	repo := &redeemRepoStub{}
+	svc := &RedeemService{redeemRepo: repo}
+
+	result, err := svc.BatchUpdate(context.Background(), &RedeemCodeBatchUpdateInput{
+		IDs: []int64{1, 2, 2},
+		Fields: RedeemCodeBatchUpdateFields{
+			Status:    &status,
+			ExpiresAt: NullableTimeUpdate{Set: true, Value: &expiresAt},
+			Notes:     &notes,
+		},
+	})
+
+	require.NoError(t, err)
+	require.Equal(t, int64(2), result.Updated)
+	require.True(t, repo.batchUpdateCalled)
+	require.Equal(t, []int64{1, 2}, repo.batchUpdateIDs)
+	require.Equal(t, &status, repo.batchUpdateFields.Status)
+	require.True(t, repo.batchUpdateFields.ExpiresAt.Set)
+	require.WithinDuration(t, expiresAt, *repo.batchUpdateFields.ExpiresAt.Value, time.Second)
+	require.Equal(t, &notes, repo.batchUpdateFields.Notes)
+	require.False(t, repo.batchUpdateFields.GroupID.Set)
+	require.Nil(t, repo.batchUpdateFields.Type)
+	require.Nil(t, repo.batchUpdateFields.Value)
+}
+
+func TestRedeemService_BatchUpdate_RejectsInvalidID(t *testing.T) {
+	repo := &redeemRepoStub{}
+	svc := &RedeemService{redeemRepo: repo}
+	notes := "bad id"
+
+	result, err := svc.BatchUpdate(context.Background(), &RedeemCodeBatchUpdateInput{
+		IDs:    []int64{1, 0},
+		Fields: RedeemCodeBatchUpdateFields{Notes: &notes},
+	})
+
+	require.Nil(t, result)
+	require.Error(t, err)
+	require.True(t, infraerrors.IsBadRequest(err))
+	require.False(t, repo.batchUpdateCalled)
+}
+
+func TestRedeemService_BatchUpdate_RejectsCoreFieldsForUsedCodes(t *testing.T) {
+	repo := &redeemRepoStub{}
+	svc := &RedeemService{redeemRepo: repo}
+	newValue := 100.0
+
+	result, err := svc.BatchUpdate(context.Background(), &RedeemCodeBatchUpdateInput{
+		IDs: []int64{42},
+		Fields: RedeemCodeBatchUpdateFields{
+			Value: &newValue,
+		},
+	})
+
+	require.Nil(t, result)
+	require.Error(t, err)
+	require.True(t, infraerrors.IsBadRequest(err))
+	require.False(t, repo.batchUpdateCalled)
+}