public void CreateModulusParameters_PassAccountDetails_ReturnsCorrectWeightingValues(int digit, int expectedValue)
{
// Arrange
var modulusWeightingDigit = new ModulusWeightingDigit(digit);
var bankDetails = new BankDetails("089999", "66374958");
var modulusParametersFactory = new ModulusParametersFactory(ModulusTestHelper.CreateSingleRangeWeightingTableModulusTenPass());
// Act
var modulusParameters = modulusParametersFactory.CreateModulusParameters(bankDetails);
// Assert
Assert.AreEqual(expectedValue, modulusParameters.GetWeighting(modulusWeightingDigit, bankDetails.VerificationValue));
}
public void CreateModulusParameters_PassAccountDetailsNotInWeightingTable_AlwaysReturnsZero(string sortCode, string accountNo)
{
// Arrange
var modulusWeightingDigit = new ModulusWeightingDigit(1);
var bankDetails = new BankDetails(sortCode, accountNo);
var modulusParametersFactory = new ModulusParametersFactory(ModulusTestHelper.CreateSingleRangeWeightingTableModulusTenPass());
// Act
var modulusParameters = modulusParametersFactory.CreateModulusParameters(bankDetails);
// Assert
Assert.AreEqual(-1, modulusParameters.GetWeighting(modulusWeightingDigit, bankDetails.VerificationValue));
}
public void Check_ValidLookingAccountDetails_ReturnsSuccessOrFailureCorrectly(string sortCode, string accountNo, bool expectedSuccess, ModulusCheckingMethod method)
{
// Arrange
var accountDetails = new BankDetails(sortCode, accountNo);
var modulusWeightingTable = ModulusTestHelper.CreateStandardWeightingTable(method);
var accountDetailsChecker = new AccountDetailsChecker(modulusWeightingTable);
// Act
var accountCheckResult = accountDetailsChecker.Check(accountDetails);
// Assert
Assert.AreEqual(expectedSuccess, accountCheckResult.Success);
}
public void IsValid_ValidAccountDetails_ReturnsTrue(string sortCode, string accountNo, ModulusCheckingMethod checkingMethod)
{
// Arrange
var bankDetails = new BankDetails(sortCode, accountNo);
var modulusParametersFactory = new ModulusParametersFactory(ModulusTestHelper.CreateStandardWeightingTable(checkingMethod));
var modulusParameters = modulusParametersFactory.CreateModulusParameters(bankDetails);
var standardModulusCheck = new StandardModulusCheck(modulusParameters);
// Act
var result = standardModulusCheck.IsValid(bankDetails);
// Assert
Assert.AreEqual(true, result);
}
public static ModulusWeightingTable CreateStandardWeightingTable(ModulusCheckingMethod checkingMethod)
{
if (checkingMethod == ModulusCheckingMethod.StandardTen)
{
return(ModulusTestHelper.CreateSingleRangeWeightingTableModulusTenPass());
}
else if (checkingMethod == ModulusCheckingMethod.StandardEleven)
{
return(ModulusTestHelper.CreateSingleRangeWeightingTableModulusElevenPass());
}
else if (checkingMethod == ModulusCheckingMethod.AlternateDouble)
{
return(ModulusTestHelper.CreateSingleRangeWeightingTableModulusAlternateDouble());
}
return(new ModulusWeightingTable(new List <ModulusWeightingDetails>()));
}