public string SerialiseCustomer(Customer customer)
{
if(string.IsNullOrEmpty(customer.ContactNumber))
throw new ArgumentNullException("ContactNumber");
if(string.IsNullOrEmpty(customer.Name))
throw new ArgumentNullException("Name");
return $"{customer.Name},{customer.ContactNumber}\n";
}
public void SerialiseCustomer_GivenNameAndContactNumber_ShouldNotThrowException()
{
//---------------Set up test pack-------------------
var customer = new Customer { Name = "Bob", ContactNumber = "085" };
var serialiser = CreateSerialiser();
//---------------Assert Precondition----------------
//---------------Execute Test ----------------------
//---------------Test Result -----------------------
Assert.DoesNotThrow(() => serialiser.SerialiseCustomer(customer));
}
public void SerialiseCustomer_GivenEmptyContactNumber_ShouldThrowException()
{
//---------------Set up test pack-------------------
var customer = new Customer { Name = "Bob", ContactNumber = "" };
var serialiser = CreateSerialiser();
//---------------Assert Precondition----------------
//---------------Execute Test ----------------------
var exception = Assert.Throws<ArgumentNullException>(() => serialiser.SerialiseCustomer(customer));
//---------------Test Result -----------------------
Assert.AreEqual("ContactNumber", exception.ParamName);
}
public void SerialiseCustomer_GivenNameAndNumber_ShouldReturnConcatenatedStringsWithCommas()
{
//---------------Set up test pack-------------------
var customer = new Customer { Name = "Bob", ContactNumber = "085" };
const string expectedResult = "Bob,085\n";
var serialiser = CreateSerialiser();
//---------------Assert Precondition----------------
//---------------Execute Test ----------------------
var serialised = serialiser.SerialiseCustomer(customer);
//---------------Test Result -----------------------
Assert.AreEqual(expectedResult, serialised);
}
public void Capture_GivenCustomer_ShouldSerialise()
{
//---------------Set up test pack-------------------
var serialiser = Substitute.For<ISerialiser>();
var customerCapturer = CreateCustomerCapturer(serialiser: serialiser);
var customer = new Customer();
var customers = new List<Customer> {customer};
//---------------Assert Precondition----------------
//---------------Execute Test ----------------------
customerCapturer.Capture(customers, "", 10);
//---------------Test Result -----------------------
serialiser.Received().SerialiseCustomer(customer);
}
public void Capture_GivenSerialiedCustomerShouldSave()
{
//---------------Set up test pack-------------------
var csvWriter = Substitute.For<ICsvWriter>();
var customer = new Customer();
var customers = new List<Customer> {customer};
var serialiser = Substitute.For<ISerialiser>();
const string serialisedCustomer = "Bob,083";
serialiser.SerialiseCustomer(customer).Returns(serialisedCustomer);
var customerCapturer = CreateCustomerCapturer(csvWriter, serialiser);
//---------------Assert Precondition----------------
//---------------Execute Test ----------------------
customerCapturer.Capture(customers, "", 10);
//---------------Test Result -----------------------
csvWriter.Received().Save(Arg.Any<string>(), serialisedCustomer);
}
public void Capture_GivenFileNameShouldSaveWithFileNameWithNumber()
{
//---------------Set up test pack-------------------
var csvWriter = Substitute.For<ICsvWriter>();
var customer = new Customer();
var serialiser = Substitute.For<ISerialiser>();
serialiser.SerialiseCustomer(customer).Returns("Bob");
var customerCapturer = CreateCustomerCapturer(csvWriter, serialiser);
var customers = new List<Customer> {customer};
const string fileName = "stuff";
//---------------Assert Precondition----------------
//---------------Execute Test ----------------------
customerCapturer.Capture(customers, fileName, 10);
//---------------Test Result -----------------------
csvWriter.Received().Save(fileName+".1", Arg.Any<string>());
}