public void GetStatistics_WithSomeCustomers_ShouldReturnJustCustomerStatistics()
        {
            // Arrange
            var dataAdapter = new SalesStatisticsDataAdapter();

            // Act
            var salesStatistics = dataAdapter.GetStatistics(SqlConnection);

            // Assert
            Assert.AreEqual(3, salesStatistics.NumberOfCustomers);
        }
 public HomeController(SalesStatisticsDataAdapter salesStatisticsDataAdapter)
 {
     _salesStatisticsDataAdapter = salesStatisticsDataAdapter;
 }