public void GetUserOperationInputOnlyAcceptsValidOperations()
{
// Arrange
IGetInput InputMock = Substitute.For <IGetInput>();
IPrintOutput OutputMock = Substitute.For <IPrintOutput>();
// As the console stays in a loop if an invallid call is received, we are forcing a return with a second valid call
InputMock.GetUserInput().Returns("hello", "add");
Target.Input = InputMock;
Target.Output = OutputMock;
// Act
var result = RunHelper.RunStaticMethod(typeof(CalcConsoleClient), "GetUserOperationInput", null);
// Assert
// Failed 4 times, one per invalid input
OutputMock.Received(1);
OutputMock.Received().PrintUserOutput("Please Enter a valid operation!");
}
public void GetUserNumericalInputBlocksExecutionUntilValidValueIsFound()
{
// Arrange
IGetInput InputMock = Substitute.For <IGetInput>();
IPrintOutput OutputMock = Substitute.For <IPrintOutput>();
// As the console stays in a loop if an invallid call is received, we are forcing a return with a second valid call
InputMock.GetUserInput().Returns("a", "b", "c", "&", "3");
Target.Input = InputMock;
Target.Output = OutputMock;
// Act
var result = RunHelper.RunStaticMethod(typeof(CalcConsoleClient), "GetUserNumericalInput", null);
// Assert
// Failed 4 times, one per invalid input
OutputMock.Received(4);
OutputMock.Received().PrintUserOutput("Please Enter a valid numerical value!");
}
public void GetUserNumericalInputPrintsErrorIfIntIsOutOfRange()
{
// Arrange
IGetInput InputMock = Substitute.For <IGetInput>();
IPrintOutput OutputMock = Substitute.For <IPrintOutput>();
// As the console stays in a loop if an invalid call is received, we are forcing a return with a second valid call
InputMock.GetUserInput().Returns("2147483999", "4");
Target.Input = InputMock;
Target.Output = OutputMock;
// Act
var result = RunHelper.RunStaticMethod(typeof(CalcConsoleClient), "GetUserNumericalInput", null);
// Assert
// Failed 4 times, one per invalid input
OutputMock.Received(1);
OutputMock.Received().PrintUserOutput("Please Enter a valid numerical value!");
}
public void GetUserNumericalInputPrintsErrorMessageWhenInputIsOtherThanInteger()
{
// Arrange
IGetInput InputMock = Substitute.For <IGetInput>();
IPrintOutput OutputMock = Substitute.For <IPrintOutput>();
// As the console stays in a loop if an invallid call is received, we are forcing a return with a second valid call
InputMock.GetUserInput().Returns("h", "3");
Target.Input = InputMock;
Target.Output = OutputMock;
// Act
var result = RunHelper.RunStaticMethod(typeof(CalcConsoleClient), "GetUserNumericalInput", null);
// Assert
OutputMock.Received().PrintUserOutput("Please Enter a valid numerical value!");
}