public void FindLeader()
{
//Arrange
NumberJumblerServices services = new NumberJumblerServices();
NumberJumblerResult finalPositive;
NumberJumblerResult finalNegative;
//Act
using (var stream = GenerateStreamFromString("1,1,1,1,1,5\n"))
{
finalPositive = services.FindLeader(stream);
}
using (var stream = GenerateStreamFromString("1,1,-2,4,4,5\n"))
{
finalNegative = services.FindLeader(stream);
}
//Assert
Assert.AreEqual(1, finalPositive.Result);
Assert.AreEqual("Negative number detected in input file.", finalNegative.ErrorMessage);
}
public void IsValid()
{
//Arrange
NumberJumblerServices logic = new NumberJumblerServices();
string errorMessageValid = "an error has occurred";
string errorMessageInvalid = "";
bool valid = false;
bool decreasingOrder = false;
bool containsNegativeNumber = false;
bool digitNotInteger = false;
bool tooManyItems = false;
string extraLongString = "1";
for (int i = 1; i <= 100001; i++)
{
extraLongString = extraLongString + "," + i.ToString();
}
extraLongString = extraLongString + "\n";
//Act
using (var stream = GenerateStreamFromString("1,3,5,6,6,6,6,6,6,6,7\n"))
{
valid = logic.isValid(stream, out errorMessageValid);
}
using (var stream = GenerateStreamFromString("1,5,6,1,3,2,33,55,1,1,1,1\n"))
{
decreasingOrder = !logic.isValid(stream, out errorMessageInvalid);
}
using (var stream = GenerateStreamFromString("-1,1,1,1,-6\n"))
{
containsNegativeNumber = !logic.isValid(stream, out errorMessageInvalid);
}
using (var stream = GenerateStreamFromString("1,21564748336477\n"))
{
digitNotInteger = !logic.isValid(stream, out errorMessageInvalid);
}
using (var stream = GenerateStreamFromString(extraLongString))
{
tooManyItems = !logic.isValid(stream, out errorMessageInvalid);
}
//Assert
Assert.AreEqual(true, valid);
Assert.AreEqual(true, decreasingOrder);
Assert.AreEqual(true, containsNegativeNumber);
Assert.AreEqual(true, digitNotInteger);
Assert.AreEqual(true, tooManyItems);
}
public void FindLeaderNoValidation()
{
//Arrange
NumberJumblerServices logic = new NumberJumblerServices();
NumberJumblerResult finalPositive;
NumberJumblerResult finalNegative;
//Act
using (var stream = GenerateStreamFromString("1,1,1,1,1,5\n"))
{
finalPositive = logic.FindLeaderNoValidation(stream);
}
using (var stream = GenerateStreamFromString("1,1,2,4,4,5\n"))
{
finalNegative = logic.FindLeaderNoValidation(stream);
}
//Assert
Assert.AreEqual(1, finalPositive.Result);
Assert.AreEqual(-1, finalNegative.Result);
}
