static void ProcessCommands(string input)
{
try
{
var allowedCommands = new string[] { "C", "L", "R", "B", "FILE" };
string[] commands = input.Trim().Split(' ');
string elementComand = commands.Length > 0 ? commands[0].ToUpper() : " ";
if (allowedCommands.Contains(elementComand))
{
if (elementComand == "FILE")
{
ProcessFromFile(commands[1]);
}
else if (elementComand == "C")
{
workingCanvas = new Canvas(int.Parse(commands[1]), int.Parse(commands[2]));
}
else if (workingCanvas != null)
{
switch (elementComand)
{
case "L":
Line line = new Line(int.Parse(commands[1]), int.Parse(commands[2]), int.Parse(commands[3]), int.Parse(commands[4]));
workingCanvas.Elements.Add(line);
break;
case "R":
Rectangle rectangle = new Rectangle(int.Parse(commands[1]), int.Parse(commands[2]), int.Parse(commands[3]), int.Parse(commands[4]));
workingCanvas.Elements.Add(rectangle);
break;
case "B":
BucketFill bucket = new BucketFill(int.Parse(commands[1]), int.Parse(commands[2]), commands[3]);
workingCanvas.Elements.Add(bucket);
break;
}
}
else
{
WriteErrorLine(string.Concat("Sorry, you need to create a canvas first, enter ? for help."));
}
if (workingCanvas != null && elementComand != "FILE")
{
WriteResultLine(workingCanvas.Draw(Environment.NewLine));
}
}
else
{
WriteErrorLine(string.Concat("Sorry, command: ", elementComand, " is not allowed, enter ? for help."));
}
}
catch (Exception ex)
{
WriteErrorLine(string.Concat("Sorry, something is wrong with the command input, enter ? for help."));
}
}
public void ShouldBucketFillAllCanvas()
{
Canvas canvas = new Canvas(20, 4);
canvas.Elements.Add(new BucketFill(10, 3, "*"));
var drawing = canvas.Draw();
var expected = "----------------------" +
"|********************|" +
"|********************|" +
"|********************|" +
"|********************|" +
"----------------------";
Assert.AreEqual(expected, drawing);
}
public void ShouldBucketFillButInsideRectangleAreaOnly()
{
Canvas canvas = new Canvas(20, 4);
//rectangle
canvas.Elements.Add(new Rectangle(5, 1, 15, 4));
//bucket fill
canvas.Elements.Add(new BucketFill(6, 3, "o"));
var drawing = canvas.Draw();
//expected result
var expected = "----------------------" +
"| xxxxxxxxxxx |" +
"| xooooooooox |" +
"| xooooooooox |" +
"| xxxxxxxxxxx |" +
"----------------------";
Assert.AreEqual(expected, drawing);
}
public void ShouldBeTheSameAsSample()
{
Canvas canvas = new Canvas(20, 4);
//adds element to canvas
canvas.Elements.Add(lineVertical);
canvas.Elements.Add(lineHorizontal);
canvas.Elements.Add(rectangle);
//bucket fill
canvas.Elements.Add(new BucketFill(10, 3, "o"));
var drawing = canvas.Draw();
//expected result
var expected = "----------------------" +
"|oooooooooooooooxxxxx|" +
"|xxxxxxooooooooox x|" +
"| xoooooooooxxxxx|" +
"| xoooooooooooooo|" +
"----------------------";
Assert.AreEqual(expected, drawing);
}
public void ShouldBucketFillButRectangleArea()
{
Canvas canvas = new Canvas(20, 4);
//rectangle
canvas.Elements.Add(rectangle);
//bucket fill
canvas.Elements.Add(new BucketFill(10, 3, "o"));
var drawing = canvas.Draw();
var expected = "----------------------" +
"|oooooooooooooooxxxxx|" +
"|ooooooooooooooox x|" +
"|oooooooooooooooxxxxx|" +
"|oooooooooooooooooooo|" +
"----------------------";
Assert.AreEqual(expected, drawing);
}
public void ShouldNotFillBetweenLines()
{
Canvas canvas = new Canvas(20, 4);
//adds element to canvas
canvas.Elements.Add(lineVertical);
canvas.Elements.Add(lineHorizontal);
//bucket fill
canvas.Elements.Add(new BucketFill(1, 1, "o"));
var drawing = canvas.Draw();
//expected result
var expected = "----------------------" +
"|oooooooooooooooooooo|" +
"|xxxxxxoooooooooooooo|" +
"| xoooooooooooooo|" +
"| xoooooooooooooo|" +
"----------------------";
Assert.AreEqual(expected, drawing); ;
}
public void ShouldDrawARectangle()
{
Canvas canvas = new Canvas(20, 4);
//adds the rectangle to the canvas
canvas.Elements.Add(rectangle);
//draws the canvas
var drawing = canvas.Draw();
//expected result
var expected = "----------------------" +
"| xxxxx|" +
"| x x|" +
"| xxxxx|" +
"| |" +
"----------------------";
Assert.AreEqual(expected, drawing);
}
public void ShouldDrawAnEmptyCanvas()
{
Canvas canvas = new Canvas(20, 4);
var drawing = canvas.Draw();
var expected = "----------------------" +
"| |" +
"| |" +
"| |" +
"| |" +
"----------------------";
Assert.AreEqual(expected, drawing);
}
public void ShouldDrawALine()
{
Canvas canvas = new Canvas(20, 4);
//adds a horizontal Line to canvas
canvas.Elements.Add(lineHorizontal);
//draws the canvas
var drawing = canvas.Draw();
//expected result
var expected = "----------------------" +
"| |" +
"|xxxxxx |" +
"| |" +
"| |" +
"----------------------";
Assert.AreEqual(expected, drawing);
//adds a vertical line
canvas.Elements.Add(lineVertical);
//draws the canvas
drawing = canvas.Draw();
//expected result
expected = "----------------------" +
"| |" +
"|xxxxxx |" +
"| x |" +
"| x |" +
"----------------------";
Assert.AreEqual(expected, drawing);
}
public void ShouldCreateACanvasWithParams()
{
int x = 10, y = 100;
Canvas canvas = new Canvas(x, y);
Assert.IsNotNull(canvas.Matrix);
}
