public void GivenValidDictionary_SetsLookupsToProvidedDictionary()
{
Dictionary<string, List<string>> dict = new Dictionary<string, List<string>>
{
{"lookup", new List<string> {"result"}}
};
var engine = new SearchEngine(dict);
var type = typeof(SearchEngine);
var property = type.GetField("_lookupTable", BindingFlags.NonPublic | BindingFlags.Instance);
var actual = property.GetValue(engine);
Assert.That(actual, Is.EqualTo(dict));
}
static void Main()
{
var watch = Stopwatch.StartNew();
Dictionary<string, List<string>> lookups = StationLookup.Get()
.With(new FileStationSource("station-names.txt"))
//.With(new FileStationSource("BIGdata.txt")) // Swap this with previous line for a file with 22,000 GUIDs
.And(new DefaultStationPreprocessor());
watch.Stop();
Console.WriteLine("{0} lookups found in {1} miliseconds", lookups.Count, watch.ElapsedMilliseconds);
var engine = new SearchEngine(lookups);
while (true)
{
Console.WriteLine(Environment.NewLine + "Enter your search term or hit 'Ctrl' + 'C' to quit");
var searchTerm = Console.ReadLine();
watch = new Stopwatch();
watch.Start();
var result = engine.Search(searchTerm);
watch.Stop();
Console.WriteLine("Search completed in {0} miliseconds, {1} ticks", watch.ElapsedMilliseconds, watch.ElapsedTicks);
if(!result.Matches.Any())
{
Console.WriteLine("No matches found...");
continue;
}
Console.WriteLine("Matches: {0}", string.Join(", ", result.Matches));
if (!result.Suggestions.Any())
{
Console.WriteLine("No suggestions...");
continue;
}
Console.WriteLine("Suggestions: '{0}'", string.Join("', ", result.Suggestions));
Console.WriteLine("Search completed in {0} miliseconds, {1} ticks", watch.ElapsedMilliseconds, watch.ElapsedTicks);
}
}
public void GivenA_ReturnsNoMatches()
{
Dictionary<string, List<string>> lookups = new Dictionary<string, List<string>>
{
{"lookup", new List<string> {"result"}}
};
var engine = new SearchEngine(lookups);
var result = engine.Search("a");
Assert.That(result.Matches, Is.Empty);
}
public void GivenWhitespace_ReturnsNoSuggestions()
{
Dictionary<string, List<string>> lookups = new Dictionary<string, List<string>>
{
{"lookup", new List<string> {"result"}}
};
var engine = new SearchEngine(lookups);
var result = engine.Search(" \t\t\n ");
Assert.That(result.Suggestions, Is.Empty);
}
public void GivenL_ReturnsResult()
{
Dictionary<string, List<string>> lookups = new Dictionary<string, List<string>>
{
{"l", new List<string> {"result"}},
{"lo", new List<string> {"result"}},
{"loo", new List<string> {"result"}},
{"look", new List<string> {"result"}},
{"looku", new List<string> {"result"}},
{"lookup", new List<string> {"result"}},
};
var engine = new SearchEngine(lookups);
var result = engine.Search("l");
Assert.That(result.Matches.Single(), Is.EqualTo("result"));
}
public void GivenL_Returns1Suggestion()
{
Dictionary<string, List<string>> lookups = new Dictionary<string, List<string>>
{
{"l", new List<string> {"result"}},
{"lo", new List<string> {"result"}},
{"loo", new List<string> {"result"}},
{"look", new List<string> {"result"}},
{"looku", new List<string> {"result"}},
{"lookup", new List<string> {"result"}},
};
var engine = new SearchEngine(lookups);
var result = engine.Search("l");
Assert.That(result.Suggestions.Count, Is.EqualTo(1));
}
public void GivenLWith3Matches_ReturnsO()
{
Dictionary<string, List<string>> lookups = new Dictionary<string, List<string>>
{
{"l", new List<string> {"lookup", "lol", "link"}}
};
var engine = new SearchEngine(lookups);
var result = engine.Search("l");
Assert.That(result.Suggestions.Count(x => x.Equals('o')), Is.EqualTo(1));
}
