public void CreateCanvasShouldNotCreateACanvasForIncorrectInput()
{
_inputCommandReader = Mock.Of <IInputCommandReader>(m => m.ReadCommands() == "draw a canvas");
_canvasProcessor = new CanvasProcessor(_inputCommandReader, _outputWriter);
_canvasProcessor.CanvasRenderer = _canvasRenderer.Object;
Assert.IsNull(_canvasProcessor.CreateCanvas());
}
public void CreateCanvasShouldDrawCanvasForCorrectInput()
{
_inputCommandReader = Mock.Of <IInputCommandReader>(m => m.ReadCommands() == "20 4");
_canvasProcessor = new CanvasProcessor(_inputCommandReader, _outputWriter);
_canvasProcessor.CanvasRenderer = _canvasRenderer.Object;
_canvasProcessor.CreateCanvas();
_canvasRenderer.Verify(x => x.SetTheCanvas(), Times.Once());
_canvasRenderer.Verify(x => x.Draw(), Times.Once());
}
public void ShouldNotDrawALineForInvalidPoints()
{
_inputCommandReader = Mock.Of <IInputCommandReader>(m => m.ReadCommands() == "20 4");
_canvasProcessor = new CanvasProcessor(_inputCommandReader, _outputWriter);
_canvasProcessor.CanvasRenderer = _canvasRenderer.Object;
string[] tokens = { "L", "1", "1", "4", "4" };
_canvas = Mock.Of <Canvas>(m =>
m.Width == x &&
m.Height == y);
_canvasProcessor.DrawLineOnCanvas(_canvas, tokens);
_canvasRenderer.Verify(v => v.DrawLine(new Point(1, 1), new Point(4, 4)), Times.Never());
_canvasRenderer.Verify(v => v.Draw(), Times.Never());
}
public void ShouldNotBucketFillForInvalidInput()
{
_inputCommandReader = Mock.Of <IInputCommandReader>(m => m.ReadCommands() == "20 4");
_canvasProcessor = new CanvasProcessor(_inputCommandReader, _outputWriter);
_canvasProcessor.CanvasRenderer = _canvasRenderer.Object;
String[] tokens = { "B", "21", "3", "o" };
Point point = new Point(21, 3);
_canvas = Mock.Of <Canvas>(m =>
m.Width == x &&
m.Height == y);
_canvasProcessor.BucketFillOnCanvas(_canvas, tokens);
_canvasRenderer.Verify(v => v.BucketFillArea(point, 'o'), Times.Never());
_canvasRenderer.Verify(v => v.Draw(), Times.Never());
}
public void ShouldDrawALineForValidInput()
{
_inputCommandReader = Mock.Of <IInputCommandReader>(m => m.ReadCommands() == "20 4");
_canvasProcessor = new CanvasProcessor(_inputCommandReader, _outputWriter);
_canvasProcessor.CanvasRenderer = _canvasRenderer.Object;
string[] tokens = { "L", "1", "2", "6", "2" };
Point from = new Point(1, 2);
Point to = new Point(6, 2);
_canvas = Mock.Of <Canvas>(m =>
m.Width == x &&
m.Height == y);
_canvasProcessor.DrawLineOnCanvas(_canvas, tokens);
_canvasRenderer.Verify(x => x.DrawLine(from, to), Times.Once());
_canvasRenderer.Verify(x => x.Draw(), Times.Once());
}
public void ShouldNotDrawARectangleForOutOfBoundsInput()
{
_inputCommandReader = Mock.Of <IInputCommandReader>(m => m.ReadCommands() == "20 4");
_canvasProcessor = new CanvasProcessor(_inputCommandReader, _outputWriter);
_canvasProcessor.CanvasRenderer = _canvasRenderer.Object;
String[] tokens = { "R", "16", "1", "20", "5" };
Point from = new Point(16, 1);
Point to = new Point(20, 3);
_canvas = Mock.Of <Canvas>(m =>
m.Width == x &&
m.Height == y);
_canvasProcessor.DrawARectangleOnCanvas(_canvas, tokens);
_canvasRenderer.Verify(v => v.DrawRectangle(from, to), Times.Never());
_canvasRenderer.Verify(v => v.Draw(), Times.Never());
}
