private static void RegisterDynamicVariableEvaluatorForMonthTimeSpan(DynamicVariableEvaluator evaluator)
{
var regex = new Regex("^(\\d+)(m|month)$", RegexOptions.Compiled | RegexOptions.IgnoreCase);
var item = new RegexAutoCompleteItem("NNNmonth", "Represents time span (e.g. 1month)", (v, o) => Regex.IsMatch(v, "^\\d+$"), (v, o) => v + "month");
evaluator.RegisterVariable(regex, o => TimeSpan.FromDays(Int32.Parse(o.Groups[1].Value, CultureInfo.CurrentCulture) * 30), item);
}
public void RegisterVariableShouldThrowExceptionWhenProcedureIsNull()
{
var regex = new Regex("");
var item = new RegexAutoCompleteItem("", "", (v, o) => true, (v, o) => v);
Assert.Throws <ArgumentNullException>(() => testee.RegisterVariable(regex, null, item));
}
private static void RegisterDynamicVariableEvaluatorForYearTimeSpan(DynamicVariableEvaluator evaluator)
{
var regex = new Regex("^(\\d+)(y|year)$", RegexOptions.Compiled | RegexOptions.IgnoreCase);
var item = new RegexAutoCompleteItem("NNNyear", "Represents time span (e.g. 1year)", (v, o) => Regex.IsMatch(v, "^\\d+$"), (v, o) => string.Format("{0}year", v));
evaluator.RegisterVariable(regex, o => TimeSpan.FromDays(Int32.Parse(o.Groups[1].Value, CultureInfo.CurrentCulture) * 365), item);
}
public void RegisterVariableShouldThrowExcepionWhenRegexIsNull()
{
Regex regex = null;
var item = new RegexAutoCompleteItem("", "", (v, o) => true, (v, o) => v);
Assert.Throws <ArgumentNullException>(() => testee.RegisterVariable(regex, o => o, item));
}
/// <summary>
/// Registers a new mapping between a pattern of regular expression and a value generator.
/// </summary>
/// <param name="pattern">The pattern of regular expression to find out a variable.</param>
/// <param name="procedure">The value generator.</param>
/// <param name="item">The autocomplete item.</param>
public void RegisterVariable(string pattern, Func <Match, object> procedure, RegexAutoCompleteItem item)
{
if (pattern == null)
{
throw new ArgumentNullException("pattern");
}
RegisterVariable(new Regex(pattern, RegexOptions.Compiled), procedure, item);
}
public string ConstructorShouldWorkCorrectly(string displayName, string description, string pattern, string complete)
{
var isMatchProcedure = (pattern != null) ? (v, o) => v == pattern : (Func <string, MatchingOption, bool>)null;
var completeProcedure = (complete != null) ? (v, o) => complete : (Func <string, MatchingOption, string>)null;
var testee = new RegexAutoCompleteItem(displayName, description, isMatchProcedure, completeProcedure);
return(String.Format("{0}:{1}", testee.DisplayName, testee.Description));
}
public void EvaluateShouldReturnNullWhenSpecifiedVariableIsNotMatchedAnyPattnens(string value)
{
var item = new RegexAutoCompleteItem("", "", (v, o) => true, (v, o) => v);
testee.RegisterVariable("^x.*$", o => 10, item);
testee.RegisterVariable("^y.*$", o => "foo", item);
testee.RegisterVariable("^z.*$", o => true, item);
Assert.IsNull(testee.Evaluate(null, value));
}
public void RegisterVariableShouldWorkCorrectly(string pattern, object value)
{
var item = new RegexAutoCompleteItem("", "", (v, o) => true, (v, o) => v);
testee.RegisterVariable(pattern, o => value, item);
Assert.AreEqual(1, evaluators.Count);
Assert.AreEqual(1, testee.AutocompleteItems.Count());
Assert.AreSame(item, testee.AutocompleteItems.ElementAt(0));
}
public object EvaluateShouldWorkCorrectly(string value)
{
var item = new RegexAutoCompleteItem("", "", (v, o) => true, (v, o) => v);
testee.RegisterVariable("^x.*$", o => 10, item);
testee.RegisterVariable("^y.*$", o => "foo", item);
testee.RegisterVariable("^z.*$", o => true, item);
var operand = testee.Evaluate(null, value);
return(Expression.Lambda(operand.Expression).Compile().DynamicInvoke());
}
public void CompleteShouldCallCompleteProcedure()
{
var counter = 0;
Func <string, MatchingOption, string> proc = (v, o) =>
{
counter++;
return(v);
};
var testee = new RegexAutoCompleteItem("value", "description", (v, o) => true, proc);
testee.Complete("", new MatchingOption());
Assert.AreEqual(1, counter);
}
public void IsMatchShouldCallIsMatchProcedure()
{
var counter = 0;
Func <string, MatchingOption, bool> proc = (v, o) =>
{
counter++;
return(true);
};
var testee = new RegexAutoCompleteItem("value", "description", proc, (v, o) => v);
testee.IsMatch("", new MatchingOption());
Assert.AreEqual(1, counter);
}
/// <summary>
/// Registers a new mapping between a regular expression and a value generator.
/// </summary>
/// <param name="regex">The regular expression to find out a variable.</param>
/// <param name="procedure">The value generator.</param>
/// <param name="item">The autocomplete item.</param>
public void RegisterVariable(Regex regex, Func <Match, object> procedure, RegexAutoCompleteItem item)
{
if (regex == null)
{
throw new ArgumentNullException("regex");
}
if (procedure == null)
{
throw new ArgumentNullException("procedure");
}
if (item == null)
{
throw new ArgumentNullException("item");
}
Logger.Verbose("Registered the specified pattern '{0}'.", regex.ToString());
evaluators[regex] = procedure;
Register(item);
}
