public void Add_ShouldCallNumberSetFilter()
{
//---------------Set up test pack-------------------
var numberSetFilter = Substitute.For <INumberSetFilter>();
var stringCalculator = SUTFactory.CreateCalculator(numberSetFilter: numberSetFilter);
var input = "1,2,3";
//---------------Assert Precondition----------------
//---------------Execute Test ----------------------
stringCalculator.Add(input);
//---------------Test Result -----------------------
numberSetFilter.Received().FilterValues(Arg.Any <List <int> >());
}
public void Add_ShouldCheckNumbersWithNumberSetCheck()
{
//---------------Set up test pack-------------------
var numberSetCheck = Substitute.For <INumberSetCheck>();
var stringCalculator = SUTFactory.CreateCalculator(numberSetCheck: numberSetCheck);
var input = "1,2,3";
//---------------Assert Precondition----------------
//---------------Execute Test ----------------------
stringCalculator.Add(input);
//---------------Test Result -----------------------
numberSetCheck.Received().Check(Arg.Any <List <int> >());
}
public void Add_ShouldSumNumbersFromStringSplitter()
{
//---------------Set up test pack-------------------
var stringSplitter = Substitute.For <IStringSplitter>();
var stringCalculator = SUTFactory.CreateCalculator(stringSplitter);
var input = "1,2,3";
var listOfNumbersToSum = new List <string> {
"10", "3"
};
stringSplitter.GetStrings(input).Returns(listOfNumbersToSum);
//---------------Assert Precondition----------------
//---------------Execute Test ----------------------
var result = stringCalculator.Add(input);
//---------------Test Result -----------------------
Assert.AreEqual(13, result);
}
public void Add_ShouldFilterNumbersWithNumberSetFilter()
{
//---------------Set up test pack-------------------
const string input = "1,2,3";
var filteredList = new List <int> {
2
};
var numberSetFilter = Substitute.For <INumberSetFilter>();
numberSetFilter.FilterValues(Arg.Any <List <int> >()).Returns(filteredList);
var stringCalculator = SUTFactory.CreateCalculator(numberSetFilter: numberSetFilter);
//---------------Assert Precondition----------------
//---------------Execute Test ----------------------
var result = stringCalculator.Add(input);
//---------------Test Result -----------------------
var expectedResult = filteredList.Sum();
Assert.AreEqual(expectedResult, result);
}
public void SetupTest()
{
CreateSUT = () => SUTFactory.CreateCalculator();
}
