static ITestResultMethod runMethodTest(
ITestResultFactory resultFactory,
IDrawingBackend drawingBackend,
TestMethod testMethod,
Action<IDrawingTarget> action)
{
var attribute = testMethod.Attribute;
var width = attribute.Width;
var height = attribute.Height;
using (var target = drawingBackend.CreateBitmapDrawingSurface(width, height))
{
ITestResultReport testReport;
using (var drawingTarget = target.BeginDraw())
{
action(drawingTarget);
testReport = resultFactory.Report(drawingTarget.Reports);
}
var bitmap = resultFactory.Bitmap(width, height, target.ExtractRawBitmap());
return resultFactory.Method(testMethod.Info.Name, bitmap, testReport);
}
}
static ITestResultMethod runGeometryTargetTest(
ITestResultFactory resultFactory,
IDrawingBackend drawingBackend,
object instance,
TestMethod testMethod)
{
using (var geometry = drawingBackend.Geometry(target => testMethod.invoke(instance, target, drawingBackend)))
{
return runMethodTest(resultFactory, drawingBackend, testMethod, dt =>
{
dt.Fill(color: new Color(0.7, 0.7, 1.0));
dt.Geometry(geometry);
});
}
}
static ITestResultMethod runMethodTest(
ITestResultFactory resultFactory,
IDrawingBackend drawingBackend,
object instance,
TestMethod testMethod)
{
var firstParameterType = testMethod.FirstParamterType;
if (firstParameterType.IsAssignableFrom(typeof(IDrawingTarget)))
{
return runDrawingTargetTest(resultFactory, drawingBackend, instance, testMethod);
}
if (firstParameterType.IsAssignableFrom(typeof(IGeometryTarget)))
{
return runGeometryTargetTest(resultFactory, drawingBackend, instance, testMethod);
}
throw new Exception("Unable to decide what test to run based on first parameter type {0}\nShould be either IDrawingTarget or IGeometryTarget".format(firstParameterType));
}
static ITestResultMethod runDrawingTargetTest(
ITestResultFactory resultFactory,
IDrawingBackend drawingBackend,
object instance,
TestMethod testMethod)
{
return runMethodTest(resultFactory, drawingBackend, testMethod, drawingTarget => testMethod.invoke(instance, drawingTarget, drawingBackend));
}
