public string ToHtml(TestCase test)
{
testCase = test;
StringBuilder result = new StringBuilder();
foreach (OutputFile file in test.FileOutputFiles)
{
if (file.FileType == OutputFile.Type.PPM)
{
string htmlDiff = string.Empty;
string htmlActual = string.Empty;
string htmlExpected = string.Empty;
string ppmFile = test.HomeworkPath + file.StudentFile;
if (!File.Exists(ppmFile))
{
htmlActual = "No image found!";
test.Passed = false;
}
else if (new FileInfo(ppmFile).Length > 6000000)
{
htmlActual = string.Format("Generated PPM file is too large! {0} bytes!", new FileInfo(ppmFile).Length);
test.Passed = false;
}
else if (!CheckPpmHeader(ppmFile)) // Invalid header
{
htmlActual = "Invalid PPM header!<br />Please check for correct PPM before uploading to Jarvis.";
test.Passed = false;
}
else
{
string pngExpected = ConvertPpmToPng(test.TestsPath + file.CourseFile);
Bitmap expected = new Bitmap(pngExpected);
string expectedBase64Png = JarvisEncoding.ConvertToBase64(pngExpected);
htmlExpected = string.Format("<img src='data:image/png;base64,{0}' />", expectedBase64Png);
try
{
bool match = true;
bool sizeMismatch = false;
string pngActual = ConvertPpmToPng(test.HomeworkPath + file.StudentFile);
if (File.Exists(pngActual))
{
Bitmap actual = new Bitmap(pngActual);
if ((actual.Width == expected.Width) && (actual.Height == expected.Height))
{
for (int i = 0; i < actual.Width; ++i)
{
for (int j = 0; j < actual.Height; ++j)
{
Color actualColor = expected.GetPixel(i, j);
Color expectedColor = actual.GetPixel(i, j);
if (Math.Abs(actualColor.R - expectedColor.R) > 10)
{
match = false;
}
if (Math.Abs(actualColor.G - expectedColor.G) > 10)
{
match = false;
}
if (Math.Abs(actualColor.B - expectedColor.B) > 10)
{
match = false;
}
}
}
}
else
{
match = false;
sizeMismatch = true;
}
string actualBase64Png = JarvisEncoding.ConvertToBase64(pngActual);
htmlActual = string.Format("<img src='data:image/png;base64,{0}' />", actualBase64Png);
if (match)
{
htmlDiff = "No difference, or close enough... ;-]";
test.Passed = true;
}
else
{
htmlDiff = "Differences detected!";
if (sizeMismatch)
{
htmlDiff += "<br />Actual Size: " + actual.Width + "x" + actual.Height + ", Expected Size: " + expected.Width + "x" + expected.Height;
}
//htmlDiff += "<br /><a href='data:text/html;base64," + Convert.ToBase64String( Encoding.ASCII.GetBytes()) + "'>Link here</a>";
test.Passed = false;
}
actual.Dispose();
}
else
{
htmlDiff = "Differences detected!";
htmlActual = "No image found!";
test.Passed = false;
}
}
catch
{
htmlDiff = "Invalid image!";
htmlActual = "Invalid image!";
test.Passed = false;
}
expected.Dispose();
}
string diffBlock = Utilities.BuildDiffBlock("From PPM image:", htmlActual, htmlExpected, htmlDiff);
result.Append(diffBlock);
if (File.Exists(ppmFile))
{
File.Delete(ppmFile);
}
}
}
return(result.ToString());
}
private string Get5xx(NancyContext context)
{
StringBuilder responseText = new StringBuilder();
responseText.AppendFormat("<img style='display: block; margin: auto;' src='data:image/png;base64,{0}' /><br />", JarvisEncoding.ConvertToBase64(rootPath + "/Content/error.png", false));
responseText.Append("<p>I'm sorry sir, it appears I have malfunctioned... an email has been sent to my creator.<br /><br />");
responseText.Append("Error message:<br />" + JarvisEncoding.ToHtmlEncoding(context.Items["ERROR_TRACE"].ToString()));
responseText.Append("</p>");
Utilities.SendEmail("*****@*****.**", "Jarvis Internal Server Error!!", context.Items["ERROR_TRACE"].ToString(), "");
return(responseText.ToString());
}
