public void GetCompositeFunction_WhenCalledWithEmptyList_EmptyStringIsReturned()
{
//Arrange
var plotter = new FunctionPlotterViewModel();
//Act
var result = plotter.GetCompositeFunction();
//Assert
Assert.IsTrue(string.IsNullOrEmpty(result));
}
public void GetLast_WhenCalledWithEmptyList_NullIsReturned()
{
//Arrange
var plotter = new FunctionPlotterViewModel();
//Act
var result = plotter.GetLast();
//Assert
Assert.IsTrue(result == null);
}
public void RemoveComponent_WhenCalledWithEmptyList_NoErrorIsThrown()
{
//Arrange
var plotter = new FunctionPlotterViewModel();
//Act
plotter.RemoveComponent();
var result = plotter.GetFunction();
//Assert
Assert.IsTrue(result != null);
Assert.IsTrue(!result.Any());
}
public void AddComponent_WhenCalled_ObjectIsAdded()
{
//Arrange
var plotter = new FunctionPlotterViewModel();
var testObject = new VariableObject();
//Act
plotter.AddComponent(testObject);
//Assert
Assert.IsTrue(plotter.GetFunction() != null);
Assert.IsTrue(plotter.GetFunction().Count() == 1);
Assert.IsTrue(plotter.GetFunction().Contains(testObject));
}
public void GetLast_WhenCalledWithNonEmptyList_CorrectObjectIsReturned()
{
//Arrange
var plotter = new FunctionPlotterViewModel();
var funcObject = new FunctionObject(Math.Sin);
var testObject = new VariableObject();
//Act
plotter.AddComponent(funcObject);
plotter.AddComponent(testObject);
var result = plotter.GetLast();
//Assert
Assert.IsTrue(result != null);
Assert.IsTrue(result == testObject);
}
public void GetCompositeFunction_WhenCalledWithNonEmptyList_CorrectFunctionIsReturned()
{
//Arrange
var plotter = new FunctionPlotterViewModel();
var funcObject = new FunctionObject(Math.Sin);
var testObject = new VariableObject();
//Act
plotter.AddComponent(funcObject);
plotter.AddComponent(testObject);
var result = plotter.GetCompositeFunction();
//Assert
Assert.IsTrue(!string.IsNullOrEmpty(result));
Assert.IsTrue(result == "Sinx");
}
public void RemoveComponent_WhenCalledWithNonEmptyList_ObjectIsRemoved()
{
//Arrange
var plotter = new FunctionPlotterViewModel();
var testObject = new VariableObject();
plotter.AddComponent(testObject);
//Act
plotter.RemoveComponent();
//Assert
Assert.IsTrue(plotter.GetFunction() != null);
Assert.IsTrue(!plotter.GetFunction().Any());
Assert.IsTrue(!plotter.GetFunction().Contains(testObject));
}
public FunctionPlotterTests()
{
_functionPlotterViewModel = new FunctionPlotterViewModel();
_mockRepository = new MockRepository(MockBehavior.Strict);
}
