public void TwoMessagesOneInput()
{
var input =
"From Not Header stuff\r\n more header \r\n\r\n body stuff \r\n\r\n more body \r\n" +
"From Not Header again\r\n again more header \r\n\r\n again body stuff \r\n\r\n more body \r\n";
EmailFileParser parser = new EmailFileParser();
EmailMessage message;
EmailMessage message2;
//loop through until input = ""
do
{
//just putting the input back in instead of using a remainder variable!
message = parser.ParseEmailMessage(input, out input);
message2 = parser.ParseEmailMessage(input, out input);
} while (input != "");
Assert.Equal("Not Header stuff\r\n", message.From);
Assert.Equal(" more header \r\n", message.Header);
Assert.Equal(" body stuff \r\n\r\n more body \r\n", message.Body);
Assert.Equal("Not Header again\r\n", message2.From);
Assert.Equal(" again more header \r\n", message2.Header);
Assert.Equal(" again body stuff \r\n\r\n more body \r\n", message2.Body);
//remainder should be the next message (or everything else)
//Assert.Equal("", input);
}
public void TestAgainParseEmailLine()
{
var teststring = "From Something\r\n Some other stuff\r\n and all other stuff";
var line = EmailFileParser.ParseLine(teststring, out var remainder);
Assert.Equal("From Something\r\n", line);
Assert.Equal(" Some other stuff\r\n and all other stuff", remainder);
}
public void TestParseEmailLine()
{
var teststring = "From Some email address \r\n Some other stuff";
var line = EmailFileParser.ParseLine(teststring, out var remainder);
Assert.Equal("From Some email address \r\n", line);
Assert.Equal(" Some other stuff", remainder);
}
public void BeginMessageTest()
{
var input = "From Not Header stuff\r\n more header \r\n\r\n body stuff \r\n\r\n more body \r\n";
EmailFileParser parser = new EmailFileParser();
//Now that I'm using an out variable in ParseEmailMessage I need to use "out string remainder" again
EmailMessage message = parser.ParseEmailMessage(input, out string remainder);
Assert.Equal("Not Header stuff\r\n", message.From);
Assert.Equal(" more header \r\n", message.Header);
Assert.Equal(" body stuff \r\n\r\n more body \r\n", message.Body);
}
public void OnePartialFromMessage()
{
//At the moment if you don't add a \r\n somewhere in the message then ParseEmailMessage
//will not parse anything because ParseLine will be null
var input = "From junk stuff no header no body just random junk\r\n other garbage";
EmailFileParser parser = new EmailFileParser();
EmailMessage message = parser.ParseEmailMessage(input, out input);
Assert.Equal("junk stuff no header no body just random junk\r\n", message.From);
Assert.Null(message.Header);
Assert.Null(message.Body);
Assert.Equal(" other garbage", input);
}
public void OneMessageThenAPartialMessage()
{
var input =
"From Not Header stuff\r\n more header \r\n\r\n body stuff \r\n\r\n more body \r\n" +
"From Not Header again\r\n";
EmailFileParser parser = new EmailFileParser();
EmailMessage message;
EmailMessage message2;
message = parser.ParseEmailMessage(input, out input);
message2 = parser.ParseEmailMessage(input, out input);
Assert.Equal("Not Header stuff\r\n", message.From);
Assert.Equal(" more header \r\n", message.Header);
Assert.Equal(" body stuff \r\n\r\n more body \r\n", message.Body);
Assert.Equal("Not Header again\r\n", message2.From);
Assert.Null(message2.Header);
Assert.Null(message2.Body);
Assert.Equal("", input);
}
public void ThreeMessagesAndIncompleteMessageOneInput()
{
var input =
"From Not Header stuff\r\n more header \r\n\r\n body stuff \r\n\r\n more body \r\n" +
"From Not Header again\r\n again more header \r\n\r\n again body stuff \r\n\r\n more body \r\n" +
"From Not Header thrice\r\n third more header \r\n\r\n third body stuff \r\n\r\n more body \r\n" +
"From junk stuff no header no body just random junk";
EmailFileParser parser = new EmailFileParser();
EmailMessage message;
EmailMessage message2;
EmailMessage message3;
do
{
//just putting the input back in instead of using a remainder variable!
message = parser.ParseEmailMessage(input, out input);
message2 = parser.ParseEmailMessage(input, out input);
message3 = parser.ParseEmailMessage(input, out input);
//this loop needs to be rethought some - the loop logic could go into the email parser
} while (input != "From junk stuff no header no body just random junk");
Assert.Equal("Not Header stuff\r\n", message.From);
Assert.Equal(" more header \r\n", message.Header);
Assert.Equal(" body stuff \r\n\r\n more body \r\n", message.Body);
Assert.Equal("Not Header again\r\n", message2.From);
Assert.Equal(" again more header \r\n", message2.Header);
Assert.Equal(" again body stuff \r\n\r\n more body \r\n", message2.Body);
Assert.Equal("Not Header thrice\r\n", message3.From);
Assert.Equal(" third more header \r\n", message3.Header);
Assert.Equal(" third body stuff \r\n\r\n more body \r\n", message3.Body);
Assert.Equal("From junk stuff no header no body just random junk", input);
}
static void Main(string[] args)
{
//spit out an error for empty args
//would like to look at this further
//var inputfile = FindDir("smallsample.txt");
//Make a folder for data like this - take out of git
var inputfile = args[0];
EmailRenderer renderer = new EmailRenderer();
EmailFileParser parser = new EmailFileParser();
using (var file = new StreamReader(inputfile))
{
var input = file.ReadToEnd(); //solve later :)
//save result to file
var path = @".\outputhtml.html";
if (File.Exists(@".\outputhtml.html")) // (File.Exists(path))?
{
try
{
File.Delete(@".\outputhtml.html");
}
catch (System.IO.IOException e)
{
Console.WriteLine(e.Message);
}
}
while (!string.IsNullOrEmpty(input))
{
var message = parser.ParseEmailMessage(input, out input);
//Console.WriteLine("---FROM -----------\n {0}", message.From);
//Console.WriteLine("---HEADER ---------\n {0}", message.Header);
//Console.WriteLine("---BODY -----------\n {0}", message.Body);
//render the html messages - might no longer be relevant
var result = renderer.Render(message);
File.AppendAllText(path, result);
//use the html agility pack
var htmldoc = new HtmlDocument();
htmldoc.LoadHtml(message.Body);
var htmlnodes = htmldoc.DocumentNode.SelectNodes("//body");
if (htmlnodes != null)
{
foreach (var node in htmlnodes)
{
Console.WriteLine(node.InnerText);
//Console.WriteLine(node.XPath);
//Console.WriteLine(node.InnerHtml);
}
}
}
}
}
