static void ExercisePhrase(PredictionDictionary dictionary, string prefixString, string expectedsString)
{
var prefix = prefixString.Split(new[] { ' ' }, StringSplitOptions.RemoveEmptyEntries);
var expecteds = expectedsString.Split(new[] { ' ' }, StringSplitOptions.RemoveEmptyEntries);
ExercisePhrase(dictionary, prefix, expecteds);
}
static PredictionDictionary CreateDictionary(IEnumerable <string> sentences)
{
var environment = new TestPredictionEnvironment();
var dictionary = PredictionDictionary.Create(environment);
foreach (var sentence in sentences)
{
var position = sentence.PunctuationLength(0);
var words = new List <string>();
while (position < sentence.Length)
{
var wordLength = sentence.WordLength(position);
var word = sentence.Substring(position, wordLength).ToLowerInvariant();
position += wordLength;
position += sentence.PunctuationLength(position);
words.Add(word);
}
dictionary.AddPhrase(words.ToArray());
}
return(dictionary);
}
public void AllTestPhrases()
{
var environment = new TestPredictionEnvironment();
var dictionary = PredictionDictionary.Create(environment);
foreach (var sentence in TestSentences.Instance)
{
var position = sentence.PunctuationLength(0);
var words = new List <string>();
while (position < sentence.Length)
{
var wordLength = sentence.WordLength(position);
var word = sentence.Substring(position, wordLength).ToLowerInvariant();
position += wordLength;
position += sentence.PunctuationLength(position);
words.Add(word);
}
dictionary.AddPhrase(words.ToArray());
}
dictionary.Dump();
}
public void SimpleQuickBrownFox()
{
var environment = new TestPredictionEnvironment();
var dictionary = PredictionDictionary.Create(environment);
dictionary.AddPhrase("the", "quick", "brown", "fox", "jumps", "over", "the", "lazy", "dog");
dictionary.Dump();
}
static void ExercisePrediction(PredictionDictionary dictionary, params string[] prefix)
{
for (var i = prefix.Length - 1; 0 <= i; i--)
{
Debug.Write(prefix[i] + " ");
}
Debug.Write(" =>");
//foreach (var word in dictionary.MakePredictions(7, "", prefix))
//{
// Debug.Write(" " + word);
//}
Debug.WriteLine("");
}
public void OrderNeutrality()
{
var environment = new TestPredictionEnvironment();
var dictionaryAB = PredictionDictionary.Create(environment);
dictionaryAB.AddPhrase("A");
dictionaryAB.AddPhrase("B");
var dictionaryBA = PredictionDictionary.Create(environment);
dictionaryBA.AddPhrase("B");
dictionaryBA.AddPhrase("A");
}
public void SaveAndLoadDictionary()
{
var originalDictionary = CreateDictionary();
var stream = new MemoryStream();
originalDictionary.Save(stream);
stream.Position = 0;
var reconstitutedDictionary = PredictionDictionary.Load(stream);
Assert.AreEqual(stream.Length, stream.Position);
ExercisePhrase(originalDictionary, "the quick brown", "fox jumped");
ExercisePhrase(reconstitutedDictionary, "the quick brown", "fox jumped");
}
static void ExercisePhrase(PredictionDictionary dictionary, string[] prefix, params string[] expecteds)
{
//var prefixReversed = prefix;
//Array.Reverse(prefixReversed);
//var enumerable = dictionary.MakePhrasePrediction(prefixReversed);
//using (var enumerator = enumerable.GetEnumerator())
//{
// var count = 0;
// for (; count < 6 && enumerator.MoveNext(); count++)
// {
// Assert.AreEqual(expecteds[count], enumerator.Current);
// }
// if (count != 6)
// {
// Assert.AreEqual(expecteds.Length, count);
// }
//}
}
internal static void UpdatePredictor(Predictor predictor)
{
if (_luceneWordSuggester == null)
{
var index = WordIndexFactory.CreateFromWordCountList(predictor.Environment, WordScorePairEnumerable.Instance);
_luceneWordSuggester = new LuceneWordSuggester(index);
}
if (_historicSuggester == null)
{
_historicSuggester = PredictionDictionary.Create(predictor.Environment);
}
var newHistory = predictor.ConsumeNewHistory();
var updated = false;
foreach (var utterance in newHistory)
{
updated = true;
_historicSuggester.AddRawPhrases(utterance);
}
if (updated)
{
using (var stream = predictor.Environment.CreateDynamicDictionaryCache())
{
_historicSuggester.Save(stream);
}
}
var historicWithFallbackSuggester = new CompoundWordSuggester(_historicSuggester, SingleLetterSuggester.Instance);
var wordSuggester = CreateCompoundWordSuggester(historicWithFallbackSuggester);
predictor.UpdateConfiguration(wordSuggester, _historicSuggester);
}
internal static void Reset()
{
_historicSuggester = null;
}