public void TestGetCurrencyString() { Currency defaultCurrency = new Currency() { Name = "VN Đồng", CurrencyCode = "VND", CustomFormatting = "0,000 VND", Culture = "vi-VN", DisplayOrder = 1, IsPrimaryExchange = false, IsPrimarySystem = true, Published = true, Rate = 0 }; CurrencyService currencyService = new CurrencyService(mockCacheService.Object, mockCurrencyData.Object); string stringValue = currencyService.CurrencyToString(300000, defaultCurrency); _testOutputHelper.WriteLine(stringValue); Assert.True(stringValue == "300,000 VND"); }