public void PromptUserTest()
{
/*test that the user is being prompted to enter a number
* Simulating the console for this to assert on expected/actual prompt*/
var calc = new CalculatorApp.Program();
StringWriter output = new StringWriter();
Console.SetOut(output);
calc.PromptUserQuestion();
string expected = string.Format("Type a number, and then press Enter\r\n", Environment.NewLine);
Assert.AreEqual(expected, output.ToString());
}
public void UserAnswer()
{
var calc = new CalculatorApp.Program();
var output = new StringWriter();
//This sort of works like an integration test because it simulates the console
//Below, validate that when num1 & num2 are 0, the response is as expected on the console when you try to do addition arithmetic.
string expectedresult = (string.Format("Your result: 0 + 0 = 0\r\n", Environment.NewLine));
Console.SetOut(output);
var input = new StringReader("a");
Console.SetIn(input);
calc.UserAnswer();
Assert.That(output.ToString(), Is.EqualTo(expectedresult));
//Assert.False(calc.UserAnswer("t").Equals("Invalid input please try again\r\n"));
Assert.That(calc.UserAnswer("a").Equals("a"));
}
public void UserInput1Test()
{
var calc = new CalculatorApp.Program();
//var Moq = new Mock<CalculatorApp.Program>();
//Verify that submitting a valid string to float convertible value is accepted.
Assert.That(calc.UserInput1("5").Equals(5));
/*Verify that a non-integer user input will not be accepted
* Assert.That(calc.UserInput1("r").Equals(5));
* The above test results in an outofmemory exception because
* I cannot simulate a second entry once the first input fails - test sucks and leaves vulnerability?.*/
//Validate user input is indeed parsed as the correct value
Assert.False(calc.UserInput1("5").Equals(6));
//Verify that user input does not return back as a string, but instead as an integer.
Assert.False(calc.UserInput1("6").Equals("6"));
}
public void UserInput2Test()
{
var calc = new CalculatorApp.Program();
//Here I am simulating the console to validate a simulated input string with an the expected output.
/*var output = new StringWriter();
* string expectedresult = (string.Format("Type another number, and then press Enter\r\n5\r\n", Environment.NewLine));
* Console.SetOut(output);
* var input = new StringReader("5");
* Console.SetIn(input);
* var input2 = new StringReader("5");
* Console.SetIn(input2);
*
* calc.UserInput2();
* //num1 = (float)Convert.ToDecimal(output);
*
* Assert.That(output.ToString(), Is.EqualTo(expectedresult));*/
//Assert input values are accurately parsed into decimals. Assert false if the values don't parse to their expected outcome.
Assert.That(calc.UserInput2("3").Equals(3));
Assert.False(calc.UserInput2("1").Equals(1.1));
Assert.False(calc.UserInput2("1").Equals("1"));
}