public void Throw_On_Execute_With_Null_Args()
{
var command = new CreateCanvasCommand();
Action test = () => command.Execute();
test.Should().Throw <ArgumentNullException>();
}
public void ShouldCreateACanvasWithCorrectDimensionsAndSize()
{
var width = 4;
var height = 20;
var cmd = new CreateCanvasCommand(width, height);
var canvas = new Canvas();
var result = cmd.Execute(canvas);
Assert.Equal(width, result.Width);
Assert.Equal(height, result.Height);
}
public void Throw_When_An_Expected_Param_Is_Of_Invalid_Format(string arg1, string arg2)
{
var canvas = new Canvas(new CanvasDimentions {
Width = 100, Height = 100
});
var command = new CreateCanvasCommand();
command.Input = new string[] { arg1, arg2 };
Action test = () => command.Execute();
test.Should().Throw <ArgumentException>()
.WithMessage("There is some invalid arguments. Both arguments should be positive integers");
}
public void Create_Canvas_With_Valid_Args()
{
var width = 100;
var height = 100;
ICanvas canvas = null;
var command = new CreateCanvasCommand();
command.Input = new string[] { width.ToString(), height.ToString() };
canvas = command.Execute();
canvas.Should().NotBeNull();
canvas.Width.Should().Be(width);
canvas.Height.Should().Be(height);
}