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

backend/internal/repository/proxy_expiry_test.go

@@ -0,0 +1,27 @@
+package repository
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/require"
+)
+
+func TestSortedUniqueAccountIDs(t *testing.T) {
+	tests := []struct {
+		name  string
+		input []int64
+		want  []int64
+	}{
+		{name: "unsorted duplicates", input: []int64{12, 3, 12, 8, 3}, want: []int64{3, 8, 12}},
+		{name: "already sorted", input: []int64{3, 8, 12}, want: []int64{3, 8, 12}},
+		{name: "single", input: []int64{3}, want: []int64{3}},
+		{name: "empty", input: []int64{}, want: []int64{}},
+		{name: "nil", input: nil, want: nil},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			require.Equal(t, tt.want, sortedUniqueAccountIDs(tt.input))
+		})
+	}
+}