public void GeneratedTextIsCorrectWithRexEngine(string pattern)
{
var settings = new Rex.RexSettings(pattern)
{
k = 1
};
var result = Enumerable.Range(1, 3).Select(i => Rex.RexEngine.GenerateMembers(settings).Single()).ToArray();
Array.ForEach(result, regex => Assert.True(Regex.IsMatch(regex, pattern)));
}
public void GeneratedTextIsCorrectWithRexEngine(string pattern)
{
const int repeatCount = 3;
var settings = new Rex.RexSettings(pattern)
{
k = 1
};
settings.seed = 102;
var result = Enumerable.Repeat(0, repeatCount).Select(_ => Rex.RexEngine.GenerateMembers(settings).Single()).ToArray();
Assert.All(result, regex => Assert.Matches(pattern, regex));
}
public void GeneratedTextIsCorrectWithRexEngine(string pattern)
{
var settings = new Rex.RexSettings(pattern)
{
k = 1
};
// Fix generated value doesn't always meet the pattern
settings.encoding = Rex.CharacterEncoding.ASCII;
var result = Enumerable.Repeat(0, defaultRepeatCount)
.Select(_ =>
{
var generatedValue = Rex.RexEngine.GenerateMembers(settings).Single();
this._testOutput.WriteLine($"Generated value: {generatedValue}");
return(generatedValue);
})
.ToArray();
Assert.All(result, regex => Assert.Matches(pattern, regex));
}
public void GeneratedTextIsCorrectWithRexEngine(string pattern)
{
var settings = new Rex.RexSettings(pattern) { k = 1 };
var result = Enumerable.Range(1, 3).Select(i => Rex.RexEngine.GenerateMembers(settings).Single()).ToArray();
Array.ForEach(result, regex => Assert.True(Regex.IsMatch(regex, pattern)));
}
private List <LocalEmote> DownloadTwitchEmotes()
{
var httpClient = new WebClient();
var webResult = httpClient.DownloadString("https://api.twitch.tv/kraken/chat/emoticons");
var emoticonResult = JsonConvert.DeserializeObject <EmoticonResponseContract>(webResult);
var globalEmotes = emoticonResult.emoticons.Where(q => q.images.Any(p => p.emoticon_set == null));
if (!globalEmotes.Any())
{
return(null);
}
var results = new List <LocalEmote>();
Parallel.For(0, globalEmotes.Count(), (i) =>
{
var emote = globalEmotes.ElementAt(i);
using (var client = new WebClient())
{
emote.images.ForEach((m) =>
{
if (m.emoticon_set == null)
{
// HTML Decode is not an option due the values being escaped in regex form, sanitize as neccesary
emote.regex = emote.regex.Replace(@"\<\;", "<");
emote.regex = emote.regex.Replace(@"\>\;", ">");
// Generate 100 valid values of the Regex value and pick the shortest one
var settings = new Rex.RexSettings(emote.regex);
settings.encoding = Rex.CharacterEncoding.ASCII;
settings.k = 100;
var minimumViableRegex = Rex.RexEngine.GenerateMembers(settings).OrderBy(s => s.Length).First();
client.DownloadFile(m.url, Directory.GetCurrentDirectory() + "/Emoticons/Global/" + m.url.Substring(m.url.LastIndexOf("/") + 1));
results.Add(new LocalEmote()
{
Name = minimumViableRegex,
ImageName = string.Format("Global/{0}", m.url.Substring(m.url.LastIndexOf("/") + 1))
});
}
});
}
});
var orderedResults = results.OrderBy(x =>
{
// Smiles
if (Regex.IsMatch(x.Name, "[:|;|>|<|>]"))
{
return(0);
}
// Text emotes
if (Regex.IsMatch(x.Name, "[a-zA-Z]"))
{
return(1);
}
//Everything else
return(2);
});
return(orderedResults.ToList());
}