public void SuggestsDartford()
{
Suggestions suggestions = stationFinder.GetSuggestions("Dartford");
IEnumerable <string> stations = suggestions.Stations;
Assert.AreEqual(1, stations.Count());
Assert.AreEqual("Dartford", stations.First());
}
public void ReturnSuggestionsFromStationFinderStrategy()
{
var expected = new Suggestions()
{
Stations = new [] { "DARTFORD", "DARTON " },
NextLetters = new [] { 'F', 'O' }
};
var stationFinderStrategyMock = new Mock <IStationFinderStrategy>();
stationFinderStrategyMock.Setup(x => x.GetSuggestions("DART"))
.Returns(expected);
var sut = new StationFinder(stationFinderStrategyMock.Object);
var actual = sut.GetSuggestions("DART");
actual.Should().Be(expected);
}
static void Main(string[] args)
{
var rawDataGetter = new RawDataGetter();
var dataStore = new DataStore(rawDataGetter);
var stationsTrie = new Trie();
foreach (var station in dataStore.GetStations())
{
stationsTrie.AddWord(station);
}
IVisitor visitor = new DepthFirstVisitor();
IStationFinderStrategy finderStrategy = new TrieBasedStationFinderStrategy(stationsTrie, visitor);
if (args.Length > 0)
{
if (args.First() == "perf")
{
var basicStrategy = new BasicStationFinderStrategy(dataStore.GetStations());
var timedTest = new TimedTest();
timedTest.Execute("TrieBased", dataStore, finderStrategy);
timedTest = new TimedTest();
timedTest.Execute("Basic", dataStore, basicStrategy);
return;
}
if (args.First() == "basic")
{
Console.WriteLine("[Strategy: Basic]");
finderStrategy = new BasicStationFinderStrategy(dataStore.GetStations());
}
}
var finder = new StationFinder(finderStrategy);
string userInput = "";
while (true)
{
Console.WriteLine("Enter a letter:");
Console.WriteLine("(or Escape to quit, backspace to delete)");
var read = Console.ReadKey();
if (read.Key == ConsoleKey.Escape)
{
break;
}
if (read.Key == ConsoleKey.Backspace)
{
if (userInput.Length > 0)
{
userInput = userInput.Substring(0, userInput.Length - 1);
}
}
else
{
userInput += read.KeyChar.ToString().ToUpperInvariant();
}
var suggestions = finder.GetSuggestions(userInput);
Console.WriteLine($"\n\nUserInput: {userInput}");
Console.WriteLine($"NextLetters: {string.Join(" | ", suggestions.NextLetters)}");
Console.WriteLine($"Stations: {string.Join(" | ", suggestions.Stations)}\n");
}
}