public void TestEvaluateTimeOut()
{
_chatBot = new ChatBot();
ConfigurationManager.AppSettings["timeoutMax"] = "10";
_node = new Node();
_request = new Request("Test 1", new User("1", _chatBot), _chatBot);
var path = "Test 1 <that> that <topic> topic";
var template = "<srai>TEST</srai>";
_node = new Node();
_node.AddCategory(path, template);
var pathAlt = "Alt Test <that> that <topic> topic";
var templateAlt = "<srai>TEST ALT</srai>";
_node.AddCategory(pathAlt, templateAlt);
_subQuery = new SubQuery(path);
Thread.Sleep(20);
var result =
_node.Evaluate("Test 1 <that> that <topic> topic", _subQuery, _request, MatchState.UserInput,
new StringBuilder());
Assert.AreEqual(string.Empty, result);
Assert.AreEqual(true, _request.HasTimedOut);
}
/// <summary>
/// Loads a dump of the graphmaster into memory so avoiding processing the AIML files again
/// </summary>
/// <param name="path">the path to the dump file</param>
public void loadFromBinaryFile(string path)
{
FileStream loadFile = File.OpenRead(path);
BinaryFormatter bf = new BinaryFormatter();
this.Graphmaster = (Node)bf.Deserialize(loadFile);
loadFile.Close();
}
public void Setup()
{
_chatBot = new ChatBot();
ConfigurationManager.AppSettings["timeoutMax"] = Int32.MaxValue.ToString();
_node = new Node();
_request = new Request("Test 1", new User("1", _chatBot), _chatBot);
_subQuery = new SubQuery("Test 1 <that> * <topic> *");
}
/// <summary>
/// Instantiates the dictionary objects and collections associated with this class
/// </summary>
private void setup()
{
this.GlobalSettings = new SettingsDictionary(this);
this.GenderSubstitutions = new SettingsDictionary(this);
this.Person2Substitutions = new SettingsDictionary(this);
this.PersonSubstitutions = new SettingsDictionary(this);
this.Substitutions = new SettingsDictionary(this);
this.DefaultPredicates = new SettingsDictionary(this);
this.CustomTags = new Hashtable();
this.Graphmaster = new AIMLbot.Utils.Node();
}
public void TestAddCategoryWithGoodData()
{
var path = "Test 1 <that> * <topic> *";
var template = "<srai>Test</srai>";
_node = new Node();
_node.AddCategory(path, template);
Assert.AreEqual(1, _node.NumberOfChildNodes);
Assert.AreEqual(string.Empty, _node.Template);
Assert.AreEqual(string.Empty, _node.Word);
}
public void TestAddCategoryAsLeafNode()
{
var node = new Node();
var path = "";
var template = "<srai>TEST</srai>";
node.AddCategory(path, template);
node.Word = "*";
Assert.AreEqual(0, node.NumberOfChildNodes);
Assert.AreEqual(template, node.Template);
Assert.AreEqual("*", node.Word);
}
/// <summary>
/// Adds a category to the node
/// </summary>
/// <param name="node">the node to which the category will be added</param>
/// <param name="path">the path for the category</param>
/// <param name="template">the template to find at the end of the path</param>
public static void AddCategory(this Node node, string path, string template)
{
while (true)
{
if (template.Length == 0)
{
var message = $"Category {path} has an empty template tag.";
throw new XmlException(message);
}
// check we're not at the leaf node
if (path.Trim().Length == 0)
{
node.Template = template;
return;
}
// otherwise, this sentence requires further child nodemappers in order to
// be fully mapped within the GraphMaster structure.
// split the input into its component words
var words = path.Trim().Split(" ".ToCharArray());
// get the first word (to form the key for the child nodemapper)
var firstWord = words[0].ToUpper();
// concatenate the rest of the sentence into a suffix (to act as the
// path argument in the child nodemapper)
// ToDo: should just join array minus first word.
var newPath = path.Substring(firstWord.Length, path.Length - firstWord.Length).Trim();
// o.k. check we don't already have a child with the key from this sentence
// if we do then pass the handling of this sentence down the branch to the
// child nodemapper otherwise the child nodemapper doesn't yet exist, so create a new one
if (node.Children.ContainsKey(firstWord))
{
var childNode = node.Children[firstWord];
node = childNode;
path = newPath;
continue;
}
else
{
var childNode = new Node {Word = firstWord};
childNode.AddCategory(newPath, template);
node.Children.Add(childNode.Word, childNode);
}
break;
}
}
public void TestEvaluateWith_WildCardThat()
{
var path = "Test 1 <that> _ <topic> topic";
var template = "<srai>TEST</srai>";
var node = new Node();
node.AddCategory(path, template);
var pathAlt = "Alt Test <that> that <topic> topic";
var templateAlt = "<srai>TEST ALT</srai>";
node.AddCategory(pathAlt, templateAlt);
var request = new Request("Test 1", _user);
var searcher = new NodeSearcher();
var result = searcher.Evaluate(node, "Test 1 <that> WILDCARD WORDS <topic> topic", MatchState.UserInput,
new StringBuilder());
Assert.AreEqual("<srai>TEST</srai>", result);
Assert.AreEqual("WILDCARD WORDS", searcher.Query.ThatStar[0]);
}
public void testEvaluateWith_WildCardThat()
{
var path = "Test 1 <that> _ <topic> topic";
var template = "<srai>TEST</srai>";
_node = new Node();
_node.AddCategory(path, template);
var pathAlt = "Alt Test <that> that <topic> topic";
var templateAlt = "<srai>TEST ALT</srai>";
_node.AddCategory(pathAlt, templateAlt);
_request = new Request("Test 1", new User("1", _chatBot), _chatBot);
_subQuery = new SubQuery(path);
var result = _node.Evaluate("Test 1 <that> WILDCARD WORDS <topic> topic", _subQuery, _request,
MatchState.UserInput, new StringBuilder());
Assert.AreEqual("<srai>TEST</srai>", result);
Assert.AreEqual("WILDCARD WORDS", _subQuery.ThatStar[0]);
}
public void TestEvaluateWithEmptyNode()
{
var node = new Node();
var request = new Request("Test 1", _user);
var searcher = new NodeSearcher();
var result = searcher.Evaluate(node, "Test 1 <that> that <topic> topic", MatchState.UserInput,
new StringBuilder());
Assert.AreEqual(string.Empty, result);
}
public void TestEvaluateWithWildcardsInDifferentPartsOfPath()
{
var path = "Test * 1 <that> Test * 1 <topic> Test * 1";
var template = "<srai>TEST</srai>";
_node = new Node();
_node.AddCategory(path, template);
var pathAlt = "Alt Test <that> that <topic> topic";
var templateAlt = "<srai>TEST ALT</srai>";
_node.AddCategory(pathAlt, templateAlt);
_request = new Request("Test 1", new User("1", _chatBot), _chatBot);
_subQuery = new SubQuery(path);
Assert.AreEqual("<srai>TEST</srai>",
_node.Evaluate(
"Test WILDCARD USER WORDS 1 <that> Test WILDCARD THAT WORDS 1 <topic> Test WILDCARD TOPIC WORDS 1",
_subQuery, _request, MatchState.UserInput, new StringBuilder()));
Assert.AreEqual("WILDCARD USER WORDS", _subQuery.InputStar[0]);
Assert.AreEqual("WILDCARD THAT WORDS", _subQuery.ThatStar[0]);
Assert.AreEqual("WILDCARD TOPIC WORDS", _subQuery.TopicStar[0]);
}
public void TestEvaluateWithStarWildCardUserInputNotMatched()
{
var path = "Test * 1 <that> that <topic> topic>";
var template = "<srai>TEST</srai>";
_node = new Node();
_node.AddCategory(path, template);
var pathAlt = "Alt Test <that> that <topic> topic";
var templateAlt = "<srai>TEST ALT</srai>";
_node.AddCategory(pathAlt, templateAlt);
_request = new Request("Test 1", new User("1", _chatBot), _chatBot);
_subQuery = new SubQuery(path);
Assert.AreEqual("<srai>TEST ALT</srai>",
_node.Evaluate("Alt Test <that> that <topic> topic", _subQuery, _request,
MatchState.UserInput, new StringBuilder()));
}
public void TestEvaluateWithInternationalCharset()
{
var node = new Node();
var path = "中 文 <that> * <topic> *";
var template = "中文 (Chinese)";
node.AddCategory(path, template);
var path2 = "日 本 語 <that> * <topic> *";
var template2 = "日 本 語 (Japanese)";
node.AddCategory(path2, template2);
var path3 = "Русский язык <that> * <topic> *";
var template3 = "Русский язык (Russian)";
node.AddCategory(path3, template3);
var request = new Request("中 文", _user);
var searcher = new NodeSearcher();
var result = searcher.Evaluate(node, "中 文 <that> * <topic> *", MatchState.UserInput, new StringBuilder());
Assert.AreEqual("中文 (Chinese)", result);
request = new Request("日 本 語", _user);
searcher = new NodeSearcher();
result = searcher.Evaluate(node, "日 本 語 <that> * <topic> *", MatchState.UserInput, new StringBuilder());
Assert.AreEqual("日 本 語 (Japanese)", result);
request = new Request("Русский язык", _user);
searcher = new NodeSearcher();
result = searcher.Evaluate(node, "Русский язык <that> * <topic> *", MatchState.UserInput,
new StringBuilder());
Assert.AreEqual("Русский язык (Russian)", result);
}
/// <summary>
/// Navigates this node (and recusively into child nodes) for a match to the path passed as an argument
/// whilst processing the referenced request
/// </summary>
/// <param name="node">The specified graph node to evaluat.</param>
/// <param name="path">The normalized path derived from the user's input</param>
/// <param name="matchstate">The part of the input path the node represents</param>
/// <param name="wildcard">The contents of the user input absorbed by the AIML wildcards "_" and "*"</param>
/// <returns>The template to process to generate the output</returns>
public string Evaluate(Node node, string path, MatchState matchstate, StringBuilder wildcard)
{
while (true)
{
// so we still have time!
path = path.Trim();
// check if this is the end of a branch in the GraphMaster
// return the category for this node
if (node.Children.Count == 0)
{
if (path.Length > 0)
{
// if we get here it means that there is a wildcard in the user input part of the
// path.
StoreWildCard(path, wildcard);
}
Query.Template = node.Template;
return node.Template;
}
// if we've matched all the words in the input sentence and this is the end
// of the line then return the category for this node
if (path.Length == 0)
{
Query.Template = node.Template;
return node.Template;
}
// otherwise split the input into it's component words
var splitPath = path.Split(" \r\n\t".ToCharArray());
// get the first word of the sentence
var firstWord = splitPath[0].ToUpper();
// and concatenate the rest of the input into a new path for child nodes
var newPath = path.Substring(firstWord.Length, path.Length - firstWord.Length);
// first option is to see if this node has a child denoted by the "_"
// wildcard. "_" comes first in precedence in the AIML alphabet
if (node.Children.ContainsKey("_"))
{
var childNode = node.Children["_"];
// add the next word to the wildcard match
var newWildcard = new StringBuilder();
StoreWildCard(splitPath[0], newWildcard);
// move down into the identified branch of the GraphMaster structure
var result = Evaluate(childNode, newPath, matchstate, newWildcard);
// and if we get a result from the branch process the wildcard matches and return
// the result
if (result.Length > 0)
{
if (newWildcard.Length > 0)
{
// capture and push the star content appropriate to the current matchstate
switch (matchstate)
{
case MatchState.UserInput:
Query.InputStar.Add(newWildcard.ToString());
// added due to this match being the end of the line
newWildcard.Remove(0, newWildcard.Length);
break;
case MatchState.That:
Query.ThatStar.Add(newWildcard.ToString());
break;
case MatchState.Topic:
Query.TopicStar.Add(newWildcard.ToString());
break;
}
}
Query.Template = result;
return result;
}
}
// second option - the nodemapper may have contained a "_" child, but led to no match
// or it didn't contain a "_" child at all. So get the child nodemapper from this
// nodemapper that matches the first word of the input sentence.
if (node.Children.ContainsKey(firstWord))
{
// process the matchstate - this might not make sense but the matchstate is working
// with a "backwards" path: "topic <topic> that <that> user input"
// the "classic" path looks like this: "user input <that> that <topic> topic"
// but having it backwards is more efficient for searching purposes
var newMatchstate = matchstate;
if (firstWord == "<THAT>")
{
newMatchstate = MatchState.That;
}
else if (firstWord == "<TOPIC>")
{
newMatchstate = MatchState.Topic;
}
var childNode = node.Children[firstWord];
// move down into the identified branch of the GraphMaster structure using the new
// matchstate
var newWildcard = new StringBuilder();
var result = Evaluate(childNode, newPath, newMatchstate, newWildcard);
// and if we get a result from the child return it
if (result.Length > 0)
{
if (newWildcard.Length > 0)
{
// capture and push the star content appropriate to the matchstate if it exists
// and then clear it for subsequent wildcards
switch (matchstate)
{
case MatchState.UserInput:
Query.InputStar.Add(newWildcard.ToString());
newWildcard.Remove(0, newWildcard.Length);
break;
case MatchState.That:
Query.ThatStar.Add(newWildcard.ToString());
newWildcard.Remove(0, newWildcard.Length);
break;
case MatchState.Topic:
Query.TopicStar.Add(newWildcard.ToString());
newWildcard.Remove(0, newWildcard.Length);
break;
}
}
Query.Template = result;
return result;
}
}
// third option - the input part of the path might have been matched so far but hasn't
// returned a match, so check to see it contains the "*" wildcard. "*" comes last in
// precedence in the AIML alphabet.
if (node.Children.ContainsKey("*"))
{
// o.k. look for the path in the child node denoted by "*"
var childNode = node.Children["*"];
// add the next word to the wildcard match
var newWildcard = new StringBuilder();
StoreWildCard(splitPath[0], newWildcard);
//
var result = Evaluate(childNode, newPath, matchstate, newWildcard);
// and if we get a result from the branch process and return it
if (result.Length > 0)
{
if (newWildcard.Length > 0)
{
// capture and push the star content appropriate to the current matchstate
switch (matchstate)
{
case MatchState.UserInput:
Query.InputStar.Add(newWildcard.ToString());
// added due to this match being the end of the line
newWildcard.Remove(0, newWildcard.Length);
break;
case MatchState.That:
Query.ThatStar.Add(newWildcard.ToString());
break;
case MatchState.Topic:
Query.TopicStar.Add(newWildcard.ToString());
break;
}
}
Query.Template = result;
return result;
}
}
// o.k. if the nodemapper has failed to match at all: the input contains neither
// a "_", the firstWord text, or "*" as a means of denoting a child node. However,
// if this node is itself representing a wildcard then the search continues to be
// valid if we proceed with the tail.
if ((node.Word == "_") || (node.Word == "*"))
{
StoreWildCard(splitPath[0], wildcard);
path = newPath;
continue;
}
// If we get here then we're at a dead end so return an empty string. Hopefully, if the
// AIML files have been set up to include a "* <that> * <topic> *" catch-all this
// state won't be reached. Remember to empty the surplus to requirements wildcard matches
wildcard.Clear();
Query.Template = string.Empty;
return string.Empty;
}
}
/// <summary>
/// Instantiates the dictionary objects and collections associated with this class
/// </summary>
private void setup()
{
this.GlobalSettings = new SettingsDictionary(this);
this.GenderSubstitutions = new SettingsDictionary(this);
this.Person2Substitutions = new SettingsDictionary(this);
this.PersonSubstitutions = new SettingsDictionary(this);
this.Substitutions = new SettingsDictionary(this);
this.DefaultPredicates = new SettingsDictionary(this);
this.CustomTags = new Dictionary<string, TagHandler>();
this.Graphmaster = new AIMLbot.Utils.Node();
}
public void TestEvaluateWithWildcardsInDifferentPartsOfPath()
{
var node = new Node();
var path = "Test * 1 <that> Test * 1 <topic> Test * 1";
var template = "<srai>TEST</srai>";
node.AddCategory(path, template);
var pathAlt = "Alt Test <that> that <topic> topic";
var templateAlt = "<srai>TEST ALT</srai>";
node.AddCategory(pathAlt, templateAlt);
var request = new Request("Test 1", _user);
var searcher = new NodeSearcher();
var result = searcher.Evaluate(node,
"Test WILDCARD USER WORDS 1 <that> Test WILDCARD THAT WORDS 1 <topic> Test WILDCARD TOPIC WORDS 1",
MatchState.UserInput, new StringBuilder());
Assert.AreEqual("<srai>TEST</srai>", result);
Assert.AreEqual("WILDCARD USER WORDS", searcher.Query.InputStar[0]);
Assert.AreEqual("WILDCARD THAT WORDS", searcher.Query.ThatStar[0]);
Assert.AreEqual("WILDCARD TOPIC WORDS", searcher.Query.TopicStar[0]);
}
public void TestEvaluateWithStarWildCardUserInputNotMatched()
{
var node = new Node();
var path = "Test * 1 <that> that <topic> topic>";
var template = "<srai>TEST</srai>";
node.AddCategory(path, template);
var pathAlt = "Alt Test <that> that <topic> topic";
var templateAlt = "<srai>TEST ALT</srai>";
node.AddCategory(pathAlt, templateAlt);
var request = new Request("Test 1", _user);
var searcher = new NodeSearcher();
var result = searcher.Evaluate(node, "Alt Test <that> that <topic> topic", MatchState.UserInput,
new StringBuilder());
Assert.AreEqual("<srai>TEST ALT</srai>", result);
}
public void TestAddCategoryWithEmptyTemplate()
{
var node = new Node();
var path = "Test 1 <that> * <topic> *";
node.AddCategory(path, string.Empty);
}
public void TestEvaluateWithMultipleWildcardsSwitched()
{
var node = new Node();
var path = "Test * 1 _ <that> Test * 1 _ <topic> Test _ 1 *";
var template = "<srai>TEST</srai>";
node.AddCategory(path, template);
var pathAlt = "Alt Test <that> that <topic> topic";
var templateAlt = "<srai>TEST ALT</srai>";
node.AddCategory(pathAlt, templateAlt);
var request = new Request("Test 1", _user);
var searcher = new NodeSearcher();
var result = searcher.Evaluate(node,
"Test FIRST USER 1 SECOND USER <that> Test FIRST THAT 1 SECOND THAT <topic> Test FIRST TOPIC 1 SECOND TOPIC",
MatchState.UserInput, new StringBuilder());
Assert.AreEqual("<srai>TEST</srai>", result);
Assert.AreEqual(2, searcher.Query.InputStar.Count);
Assert.AreEqual("SECOND USER", searcher.Query.InputStar[0]);
Assert.AreEqual("FIRST USER", searcher.Query.InputStar[1]);
Assert.AreEqual(2, searcher.Query.ThatStar.Count);
Assert.AreEqual("SECOND THAT", searcher.Query.ThatStar[0]);
Assert.AreEqual("FIRST THAT", searcher.Query.ThatStar[1]);
Assert.AreEqual(2, searcher.Query.TopicStar.Count);
Assert.AreEqual("SECOND TOPIC", searcher.Query.TopicStar[0]);
Assert.AreEqual("FIRST TOPIC", searcher.Query.TopicStar[1]);
}
/// <summary>
/// Loads a dump of the graphmaster into memory so avoiding processing the AIML files again
/// </summary>
/// <param name="path">the path to the dump file</param>
public void loadFromBinaryFile(string path)
{
FileStream loadFile = File.OpenRead(path);
BinaryFormatter bf = new BinaryFormatter();
this.Graphmaster = (Node)bf.Deserialize(loadFile);
loadFile.Close();
}
public void TestEvaluateWithEmptyNode()
{
_chatBot = new ChatBot();
_node = new Node();
_request = new Request("Test 1", new User("1", _chatBot), _chatBot);
_subQuery = new SubQuery("Test 1 <that> that <topic> topic");
Assert.AreEqual(string.Empty,
_node.Evaluate("Test 1 <that> that <topic> topic", _subQuery, _request,
MatchState.UserInput, new StringBuilder()));
}
public void TestEvaluateWithInternationalCharset()
{
var path = "中 文 <that> * <topic> *";
var template = "中文 (Chinese)";
_node = new Node();
_node.AddCategory(path, template);
var path2 = "日 本 語 <that> * <topic> *";
var template2 = "日 本 語 (Japanese)";
_node.AddCategory(path2, template2);
var path3 = "Русский язык <that> * <topic> *";
var template3 = "Русский язык (Russian)";
_node.AddCategory(path3, template3);
_request = new Request("中 文", new User("1", _chatBot), _chatBot);
_subQuery = new SubQuery(path);
Assert.AreEqual("中文 (Chinese)",
_node.Evaluate("中 文 <that> * <topic> *", _subQuery, _request, MatchState.UserInput,
new StringBuilder()));
_request = new Request("日 本 語", new User("1", _chatBot), _chatBot);
_subQuery = new SubQuery(path);
Assert.AreEqual("日 本 語 (Japanese)",
_node.Evaluate("日 本 語 <that> * <topic> *", _subQuery, _request, MatchState.UserInput,
new StringBuilder()));
_request = new Request("Русский язык", new User("1", _chatBot), _chatBot);
_subQuery = new SubQuery(path);
Assert.AreEqual("Русский язык (Russian)",
_node.Evaluate("Русский язык <that> * <topic> *", _subQuery, _request,
MatchState.UserInput, new StringBuilder()));
}
public void TestEvaluateWithMultipleWildcardsSwitched()
{
var path = "Test * 1 _ <that> Test * 1 _ <topic> Test _ 1 *";
var template = "<srai>TEST</srai>";
_node = new Node();
_node.AddCategory(path, template);
var pathAlt = "Alt Test <that> that <topic> topic";
var templateAlt = "<srai>TEST ALT</srai>";
_node.AddCategory(pathAlt, templateAlt);
_request = new Request("Test 1", new User("1", _chatBot), _chatBot);
_subQuery = new SubQuery(path);
Assert.AreEqual("<srai>TEST</srai>",
_node.Evaluate(
"Test FIRST USER 1 SECOND USER <that> Test FIRST THAT 1 SECOND THAT <topic> Test FIRST TOPIC 1 SECOND TOPIC",
_subQuery, _request, MatchState.UserInput, new StringBuilder()));
Assert.AreEqual(2, _subQuery.InputStar.Count);
Assert.AreEqual("SECOND USER", _subQuery.InputStar[0]);
Assert.AreEqual("FIRST USER", _subQuery.InputStar[1]);
Assert.AreEqual(2, _subQuery.ThatStar.Count);
Assert.AreEqual("SECOND THAT", _subQuery.ThatStar[0]);
Assert.AreEqual("FIRST THAT", _subQuery.ThatStar[1]);
Assert.AreEqual(2, _subQuery.TopicStar.Count);
Assert.AreEqual("SECOND TOPIC", _subQuery.TopicStar[0]);
Assert.AreEqual("FIRST TOPIC", _subQuery.TopicStar[1]);
}
/// <summary>
/// Adds a category to the node
/// </summary>
/// <param name="path">the path for the category</param>
/// <param name="template">the template to find at the end of the path</param>
/// <param name="filename">the file that was the source of this category</param>
public void addCategory(string path, string template, string filename)
{
if (template.Length == 0)
{
throw new XmlException("The category with a pattern: " + path + " found in file: " + filename + " has an empty template tag. ABORTING");
}
// check we're not at the leaf node
if (path.Trim().Length == 0)
{
this.template = template;
this.filename = filename;
return;
}
// otherwise, this sentence requires further child nodemappers in order to
// be fully mapped within the GraphMaster structure.
// split the input into its component words
string[] words = path.Trim().Split(" ".ToCharArray());
// get the first word (to form the key for the child nodemapper)
string firstWord = Normalize.MakeCaseInsensitive.TransformInput(words[0]);
// concatenate the rest of the sentence into a suffix (to act as the
// path argument in the child nodemapper)
string newPath = path.Substring(firstWord.Length, path.Length - firstWord.Length).Trim();
// o.k. check we don't already have a child with the key from this sentence
// if we do then pass the handling of this sentence down the branch to the
// child nodemapper otherwise the child nodemapper doesn't yet exist, so create a new one
if (this.children.ContainsKey(firstWord))
{
Node childNode = this.children[firstWord];
childNode.addCategory(newPath, template, filename);
}
else
{
Node childNode = new Node();
childNode.word = firstWord;
childNode.addCategory(newPath, template, filename);
this.children.Add(childNode.word, childNode);
}
}
public ChatBot()
{
Graphmaster = new Node();
PathGenerator = new PathGenerator();
}
