A unit test that displays the various customer import methods at work

MainTestMethod_AddCustomer.cs

[TestMethod]
public void Add_Customer_Accounts_Test()
{
    var tblAccounts = GetAccountTestData();
    var tblContacts = GetContactTestData();
    var accountAndAuths = new List<Mozu.Api.Contracts.Customer.CustomerAccountAndAuthInfo>();

    foreach(System.Data.DataRow drAcct in tblAccounts.Rows)
    {
        var customerLoginInfo = MapCustomerLoginInfo(drAcct);
        var account = MapCustomerAccount(drAcct);

        System.Data.DataRow[] drContacts = tblContacts.Select(string.Format("Id = '{0}'", drAcct["Id"].ToString()));

        account.Contacts = new List<Mozu.Api.Contracts.Customer.CustomerContact>();
        foreach(System.Data.DataRow drContact in drContacts)
        {
            var  contact = MapCustomerContact(drContact);
            account.Contacts.Add(contact);
        }

        accountAndAuths.Add(new Mozu.Api.Contracts.Customer.CustomerAccountAndAuthInfo()
        {
            Account = account,
            IsImport = Convert.ToBoolean(customerLoginInfo.IsImport),
            Password = customerLoginInfo.Password
        });
    }

    var importedAcctIds = ImportCustomers(accountAndAuths);
}